requirebin sketch

index.js

// require() some stuff from npm (like you were using browserify)
// and then hit Run Code to run it on the right

var ldf = require('ldf-client');

var fragmentsClient = new ldf.FragmentsClient('http://fragments.dbpedia.org/2014/en');

var query = 'SELECT * { ?s ?p <http://dbpedia.org/resource/Belgium>. ?s ?p ?o } LIMIT 10',
    results = new ldf.SparqlIterator(query, { fragmentsClient: fragmentsClient });

results.on('data', function (data) {
  window.alert(JSON.stringify(data));
});

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){},{}],2:[function(require,module,exports){var util=require("util/");var pSlice=Array.prototype.slice;var hasOwn=Object.prototype.hasOwnProperty;var assert=module.exports=ok;assert.AssertionError=function AssertionError(options){this.name="AssertionError";this.actual=options.actual;this.expected=options.expected;this.operator=options.operator;if(options.message){this.message=options.message;this.generatedMessage=false}else{this.message=getMessage(this);this.generatedMessage=true}var stackStartFunction=options.stackStartFunction||fail;if(Error.captureStackTrace){Error.captureStackTrace(this,stackStartFunction)}else{var err=new Error;if(err.stack){var out=err.stack;var fn_name=stackStartFunction.name;var idx=out.indexOf("\n"+fn_name);if(idx>=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}};util.inherits(assert.AssertionError,Error);function replacer(key,value){if(util.isUndefined(value)){return""+value}if(util.isNumber(value)&&(isNaN(value)||!isFinite(value))){return value.toString()}if(util.isFunction(value)||util.isRegExp(value)){return value.toString()}return value}function truncate(s,n){if(util.isString(s)){return s.length<n?s:s.slice(0,n)}else{return s}}function getMessage(self){return truncate(JSON.stringify(self.actual,replacer),128)+" "+self.operator+" "+truncate(JSON.stringify(self.expected,replacer),128)}function fail(actual,expected,message,operator,stackStartFunction){throw new assert.AssertionError({message:message,actual:actual,expected:expected,operator:operator,stackStartFunction:stackStartFunction})}assert.fail=fail;function ok(value,message){if(!value)fail(value,true,message,"==",assert.ok)}assert.ok=ok;assert.equal=function equal(actual,expected,message){if(actual!=expected)fail(actual,expected,message,"==",assert.equal)};assert.notEqual=function notEqual(actual,expected,message){if(actual==expected){fail(actual,expected,message,"!=",assert.notEqual)}};assert.deepEqual=function deepEqual(actual,expected,message){if(!_deepEqual(actual,expected)){fail(actual,expected,message,"deepEqual",assert.deepEqual)}};function _deepEqual(actual,expected){if(actual===expected){return true}else if(util.isBuffer(actual)&&util.isBuffer(expected)){if(actual.length!=expected.length)return false;for(var i=0;i<actual.length;i++){if(actual[i]!==expected[i])return false}return true}else if(util.isDate(actual)&&util.isDate(expected)){return actual.getTime()===expected.getTime()}else if(util.isRegExp(actual)&&util.isRegExp(expected)){return actual.source===expected.source&&actual.global===expected.global&&actual.multiline===expected.multiline&&actual.lastIndex===expected.lastIndex&&actual.ignoreCase===expected.ignoreCase}else if(!util.isObject(actual)&&!util.isObject(expected)){return actual==expected}else{return objEquiv(actual,expected)}}function isArguments(object){return Object.prototype.toString.call(object)=="[object Arguments]"}function objEquiv(a,b){if(util.isNullOrUndefined(a)||util.isNullOrUndefined(b))return false;if(a.prototype!==b.prototype)return false;if(isArguments(a)){if(!isArguments(b)){return false}a=pSlice.call(a);b=pSlice.call(b);return _deepEqual(a,b)}try{var ka=objectKeys(a),kb=objectKeys(b),key,i}catch(e){return false}if(ka.length!=kb.length)return false;ka.sort();kb.sort();for(i=ka.length-1;i>=0;i--){if(ka[i]!=kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!_deepEqual(a[key],b[key]))return false}return true}assert.notDeepEqual=function notDeepEqual(actual,expected,message){if(_deepEqual(actual,expected)){fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)}};assert.strictEqual=function strictEqual(actual,expected,message){if(actual!==expected){fail(actual,expected,message,"===",assert.strictEqual)}};assert.notStrictEqual=function notStrictEqual(actual,expected,message){if(actual===expected){fail(actual,expected,message,"!==",assert.notStrictEqual)}};function expectedException(actual,expected){if(!actual||!expected){return false}if(Object.prototype.toString.call(expected)=="[object RegExp]"){return expected.test(actual)}else if(actual instanceof expected){return true}else if(expected.call({},actual)===true){return true}return false}function _throws(shouldThrow,block,expected,message){var actual;if(util.isString(expected)){message=expected;expected=null}try{block()}catch(e){actual=e}message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:".");if(shouldThrow&&!actual){fail(actual,expected,"Missing expected exception"+message)}if(!shouldThrow&&expectedException(actual,expected)){fail(actual,expected,"Got unwanted exception"+message)}if(shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual){throw actual}}assert.throws=function(block,error,message){_throws.apply(this,[true].concat(pSlice.call(arguments)))};assert.doesNotThrow=function(block,message){_throws.apply(this,[false].concat(pSlice.call(arguments)))};assert.ifError=function(err){if(err){throw err}};var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(hasOwn.call(obj,key))keys.push(key)}return keys}},{"util/":27}],3:[function(require,module,exports){arguments[4][1][0].apply(exports,arguments)},{dup:1}],4:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"binary":return binarySlice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}};Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i]&127)}return ret}function binarySlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;i++){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;return val};Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256))val+=this[offset+--byteLength]*mul;return val};Buffer.prototype.readUInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256))val+=this[offset+i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256))val+=this[offset+--i]*mul;mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("buffer must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;i++){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;i++){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value;return offset+1};Buffer.prototype.writeInt16LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeInt32BE=function(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range");if(offset<0)throw new RangeError("index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(target_start>=target.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-z\-]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}else{leadSurrogate=codePoint;continue}}}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=null}if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<2097152){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;i++){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;i++){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length,unitSize){if(unitSize)length-=length%unitSize;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}},{"base64-js":5,ieee754:6,"is-array":7}],5:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];

output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],6:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8);m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8);if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8);e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=s*128}},{}],7:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],8:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}throw TypeError('Uncaught, unspecified "error" event.')}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];handler.apply(this,args)}}else if(isObject(handler)){len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){var m;if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-->0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.listenerCount=function(emitter,type){var ret;if(!emitter._events||!emitter._events[type])ret=0;else if(isFunction(emitter._events[type]))ret=1;else ret=emitter._events[type].length;return ret};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],9:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],10:[function(require,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}],11:[function(require,module,exports){(function(process){function normalizeArray(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up--;up){parts.unshift("..")}}return parts}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(filename){return splitPathRe.exec(filename).slice(1)};exports.resolve=function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:process.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){continue}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=normalizeArray(filter(resolvedPath.split("/"),function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."};exports.normalize=function(path){var isAbsolute=exports.isAbsolute(path),trailingSlash=substr(path,-1)==="/";path=normalizeArray(filter(path.split("/"),function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path};exports.isAbsolute=function(path){return path.charAt(0)==="/"};exports.join=function(){var paths=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(paths,function(p,index){if(typeof p!=="string"){throw new TypeError("Arguments to path.join must be strings")}return p}).join("/"))};exports.relative=function(from,to){from=exports.resolve(from).substr(1);to=exports.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")};exports.sep="/";exports.delimiter=":";exports.dirname=function(path){var result=splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir};exports.basename=function(path,ext){var f=splitPath(path)[2];if(ext&&f.substr(-1*ext.length)===ext){f=f.substr(0,f.length-ext.length)}return f};exports.extname=function(path){return splitPath(path)[3]};function filter(xs,f){if(xs.filter)return xs.filter(f);var res=[];for(var i=0;i<xs.length;i++){if(f(xs[i],i,xs))res.push(xs[i])}return res}var substr="ab".substr(-1)==="b"?function(str,start,len){return str.substr(start,len)}:function(str,start,len){if(start<0)start=str.length+start;return str.substr(start,len)}}).call(this,require("_process"))},{_process:12}],12:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],13:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":14}],14:[function(require,module,exports){(function(process){module.exports=Duplex;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);forEach(objectKeys(Writable.prototype),function(method){if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]});function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;process.nextTick(this.end.bind(this))}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}}).call(this,require("_process"))},{"./_stream_readable":16,"./_stream_writable":18,_process:12,"core-util-is":19,inherits:9}],15:[function(require,module,exports){module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":17,"core-util-is":19,inherits:9}],16:[function(require,module,exports){(function(process){module.exports=Readable;var isArray=require("isarray");var Buffer=require("buffer").Buffer;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;if(!EE.listenerCount)EE.listenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("stream");var util=require("core-util-is");util.inherits=require("inherits");var StringDecoder;util.inherits(Readable,Stream);function ReadableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.highWaterMark=~~this.highWaterMark;this.buffer=[];this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=false;this.ended=false;this.endEmitted=false;this.reading=false;this.calledRead=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.objectMode=!!options.objectMode;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(typeof chunk==="string"&&!state.objectMode){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=new Buffer(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(chunk===null||chunk===undefined){state.reading=false;if(!state.ended)onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var e=new Error("stream.unshift() after end event");stream.emit("error",e)}else{if(state.decoder&&!addToFront&&!encoding)chunk=state.decoder.write(chunk);state.length+=state.objectMode?1:chunk.length;if(addToFront){state.buffer.unshift(chunk)}else{state.reading=false;state.buffer.push(chunk)}if(state.needReadable)emitReadable(stream);maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc};var MAX_HWM=8388608;function roundUpToNextPowerOf2(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;for(var p=1;p<32;p<<=1)n|=n>>p;n++}return n}function howMuchToRead(n,state){if(state.length===0&&state.ended)return 0;if(state.objectMode)return n===0?0:1;if(n===null||isNaN(n)){if(state.flowing&&state.buffer.length)return state.buffer[0].length;else return state.length}if(n<=0)return 0;if(n>state.highWaterMark)state.highWaterMark=roundUpToNextPowerOf2(n);if(n>state.length){if(!state.ended){state.needReadable=true;return 0}else return state.length}return n}Readable.prototype.read=function(n){var state=this._readableState;state.calledRead=true;var nOrig=n;var ret;if(typeof n!=="number"||n>0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){ret=null;if(state.length>0&&state.decoder){ret=fromList(n,state);state.length-=ret.length}if(state.length===0)endReadable(this);return ret}var doRead=state.needReadable;if(state.length-n<=state.highWaterMark)doRead=true;if(state.ended||state.reading)doRead=false;if(doRead){state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false}if(doRead&&!state.reading)n=howMuchToRead(nOrig,state);if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}state.length-=n;if(state.length===0&&!state.ended)state.needReadable=true;if(state.ended&&!state.endEmitted&&state.length===0)endReadable(this);return ret};function chunkInvalid(state,chunk){var er=null;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;if(state.length>0)emitReadable(stream);else endReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(state.emittedReadable)return;state.emittedReadable=true;if(state.sync)process.nextTick(function(){emitReadable_(stream)});else emitReadable_(stream)}function emitReadable_(stream){stream.emit("readable")}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(function(){maybeReadMore_(stream,state)})}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)process.nextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){if(readable!==src)return;cleanup()}function onend(){dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);function cleanup(){dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);if(!dest._writableState||dest._writableState.needDrain)ondrain()}function onerror(er){unpipe();dest.removeListener("error",onerror);if(EE.listenerCount(dest,"error")===0)dest.emit("error",er)}if(!dest._events||!dest._events.error)dest.on("error",onerror);else if(isArray(dest._events.error))dest._events.error.unshift(onerror);else dest._events.error=[onerror,dest._events.error];function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){this.on("readable",pipeOnReadable);state.flowing=true;process.nextTick(function(){flow(src)})}return dest};function pipeOnDrain(src){return function(){var dest=this;var state=src._readableState;state.awaitDrain--;if(state.awaitDrain===0)flow(src)}}function flow(src){var state=src._readableState;var chunk;state.awaitDrain=0;function write(dest,i,list){var written=dest.write(chunk);if(false===written){state.awaitDrain++}}while(state.pipesCount&&null!==(chunk=src.read())){if(state.pipesCount===1)write(state.pipes,0,null);else forEach(state.pipes,write);src.emit("data",chunk);if(state.awaitDrain>0)return}if(state.pipesCount===0){state.flowing=false;if(EE.listenerCount(src,"data")>0)emitDataEvents(src);return}state.ranOut=true}function pipeOnReadable(){if(this._readableState.ranOut){this._readableState.ranOut=false;flow(this)}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;for(var i=0;i<len;i++)dests[i].emit("unpipe",this);return this}var i=indexOf(state.pipes,dest);if(i===-1)return this;state.pipes.splice(i,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"&&!this._readableState.flowing)emitDataEvents(this);if(ev==="readable"&&this.readable){var state=this._readableState;if(!state.readableListening){state.readableListening=true;state.emittedReadable=false;state.needReadable=true;if(!state.reading){this.read(0)}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.resume=function(){emitDataEvents(this);this.read(0);this.emit("resume")};Readable.prototype.pause=function(){emitDataEvents(this,true);this.emit("pause")};function emitDataEvents(stream,startPaused){var state=stream._readableState;if(state.flowing){throw new Error("Cannot switch to old mode now.")}var paused=startPaused||false;var readable=false;stream.readable=true;stream.pipe=Stream.prototype.pipe;stream.on=stream.addListener=Stream.prototype.on;stream.on("readable",function(){readable=true;var c;while(!paused&&null!==(c=stream.read()))stream.emit("data",c);if(c===null){readable=false;stream._readableState.needReadable=true}});stream.pause=function(){paused=true;this.emit("pause")};stream.resume=function(){paused=false;if(readable)process.nextTick(function(){stream.emit("readable")});else this.read(0);this.emit("resume")};stream.emit("readable")}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(typeof stream[i]==="function"&&typeof this[i]==="undefined"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){var list=state.buffer;var length=state.length;var stringMode=!!state.decoder;var objectMode=!!state.objectMode;var ret;if(list.length===0)return null;if(length===0)ret=null;else if(objectMode)ret=list.shift();else if(!n||n>=length){if(stringMode)ret=list.join("");else ret=Buffer.concat(list,length);list.length=0}else{if(n<list[0].length){var buf=list[0];ret=buf.slice(0,n);list[0]=buf.slice(n)}else if(n===list[0].length){ret=list.shift()}else{if(stringMode)ret="";else ret=new Buffer(n);var c=0;for(var i=0,l=list.length;i<l&&c<n;i++){var buf=list[0];var cpy=Math.min(n-c,buf.length);if(stringMode)ret+=buf.slice(0,cpy);else buf.copy(ret,c,0,cpy);if(cpy<buf.length)list[0]=buf.slice(cpy);else list.shift();c+=cpy}}}return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error("endReadable called on non-empty stream");if(!state.endEmitted&&state.calledRead){state.ended=true;process.nextTick(function(){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}})}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{_process:12,buffer:4,"core-util-is":19,events:8,inherits:9,isarray:10,stream:24,"string_decoder/":25}],17:[function(require,module,exports){module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(options,stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);if(cb)cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);var ts=this._transformState=new TransformState(options,this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;this.once("finish",function(){if("function"===typeof this._flush)this._flush(function(er){done(stream,er)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er){if(er)return stream.emit("error",er);var ws=stream._writableState;var rs=stream._readableState;var ts=stream._transformState;if(ws.length)throw new Error("calling transform done when ws.length != 0");if(ts.transforming)throw new Error("calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":14,"core-util-is":19,inherits:9}],18:[function(require,module,exports){(function(process){module.exports=Writable;var Buffer=require("buffer").Buffer;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var Stream=require("stream");util.inherits(Writable,Stream);function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb}function WritableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.objectMode=!!options.objectMode;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.buffer=[];this.errorEmitted=false}function Writable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Writable)&&!(this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this);this.writable=true;Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. Not readable."))};function writeAfterEnd(stream,state,cb){var er=new Error("write after end");stream.emit("error",er);process.nextTick(function(){cb(er)})}function validChunk(stream,state,chunk,cb){var valid=true;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){var er=new TypeError("Invalid non-string/buffer chunk");stream.emit("error",er);process.nextTick(function(){cb(er)});valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(typeof encoding==="function"){cb=encoding;encoding=null}if(Buffer.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=function(){};if(state.ended)writeAfterEnd(this,state,cb);else if(validChunk(this,state,chunk,cb))ret=writeOrBuffer(this,state,chunk,encoding,cb);return ret};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=new Buffer(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing)state.buffer.push(new WriteReq(chunk,encoding,cb));else doWrite(stream,state,len,chunk,encoding,cb);return ret}function doWrite(stream,state,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){if(sync)process.nextTick(function(){cb(er)});else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0;

}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(stream,state);if(!finished&&!state.bufferProcessing&&state.buffer.length)clearBuffer(stream,state);if(sync){process.nextTick(function(){afterWrite(stream,state,finished,cb)})}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);cb();if(finished)finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;for(var c=0;c<state.buffer.length;c++){var entry=state.buffer[c];var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,len,chunk,encoding,cb);if(state.writing){c++;break}}state.bufferProcessing=false;if(c<state.buffer.length)state.buffer=state.buffer.slice(c);else state.buffer.length=0}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(typeof chunk!=="undefined"&&chunk!==null)this.write(chunk,encoding);if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(stream,state){return state.ending&&state.length===0&&!state.finished&&!state.writing}function finishMaybe(stream,state){var need=needFinish(stream,state);if(need){state.finished=true;stream.emit("finish")}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)process.nextTick(cb);else stream.once("finish",cb)}state.ended=true}}).call(this,require("_process"))},{"./_stream_duplex":14,_process:12,buffer:4,"core-util-is":19,inherits:9,stream:24}],19:[function(require,module,exports){(function(Buffer){function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;function isBuffer(arg){return Buffer.isBuffer(arg)}exports.isBuffer=isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,require("buffer").Buffer)},{buffer:4}],20:[function(require,module,exports){module.exports=require("./lib/_stream_passthrough.js")},{"./lib/_stream_passthrough.js":15}],21:[function(require,module,exports){var Stream=require("stream");exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=Stream;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":14,"./lib/_stream_passthrough.js":15,"./lib/_stream_readable.js":16,"./lib/_stream_transform.js":17,"./lib/_stream_writable.js":18,stream:24}],22:[function(require,module,exports){module.exports=require("./lib/_stream_transform.js")},{"./lib/_stream_transform.js":17}],23:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":18}],24:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;var inherits=require("inherits");inherits(Stream,EE);Stream.Readable=require("readable-stream/readable.js");Stream.Writable=require("readable-stream/writable.js");Stream.Duplex=require("readable-stream/duplex.js");Stream.Transform=require("readable-stream/transform.js");Stream.PassThrough=require("readable-stream/passthrough.js");Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){if(dest.writable){if(false===dest.write(chunk)&&source.pause){source.pause()}}}source.on("data",ondata);function ondrain(){if(source.readable&&source.resume){source.resume()}}dest.on("drain",ondrain);if(!dest._isStdio&&(!options||options.end!==false)){source.on("end",onend);source.on("close",onclose)}var didOnEnd=false;function onend(){if(didOnEnd)return;didOnEnd=true;dest.end()}function onclose(){if(didOnEnd)return;didOnEnd=true;if(typeof dest.destroy==="function")dest.destroy()}function onerror(er){cleanup();if(EE.listenerCount(this,"error")===0){throw er}}source.on("error",onerror);dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata);dest.removeListener("drain",ondrain);source.removeListener("end",onend);source.removeListener("close",onclose);source.removeListener("error",onerror);dest.removeListener("error",onerror);source.removeListener("end",cleanup);source.removeListener("close",cleanup);dest.removeListener("close",cleanup)}source.on("end",cleanup);source.on("close",cleanup);dest.on("close",cleanup);dest.emit("pipe",source);return dest}},{events:8,inherits:9,"readable-stream/duplex.js":13,"readable-stream/passthrough.js":20,"readable-stream/readable.js":21,"readable-stream/transform.js":22,"readable-stream/writable.js":23}],25:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:4}],26:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],27:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var str=String(f).replace(formatRegExp,function(x){if(x==="%%")return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i<len;x=args[++i]){if(isNull(x)||!isObject(x)){str+=" "+x}else{str+=" "+inspect(x)}}return str};exports.deprecate=function(fn,msg){if(isUndefined(global.process)){return function(){return exports.deprecate(fn,msg).apply(this,arguments)}}if(process.noDeprecation===true){return fn}var warned=false;function deprecated(){if(!warned){if(process.throwDeprecation){throw new Error(msg)}else if(process.traceDeprecation){console.trace(msg)}else{console.error(msg)}warned=true}return fn.apply(this,arguments)}return deprecated};var debugs={};var debugEnviron;exports.debuglog=function(set){if(isUndefined(debugEnviron))debugEnviron=process.env.NODE_DEBUG||"";set=set.toUpperCase();if(!debugs[set]){if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else{debugs[set]=function(){}}}return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};if(arguments.length>=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i<l;++i){if(hasOwnProperty(value,String(i))){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),true))}else{output.push("")}}keys.forEach(function(key){if(!key.match(/^\d+$/)){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,true))}});return output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]};if(desc.get){if(desc.set){str=ctx.stylize("[Getter/Setter]","special")}else{str=ctx.stylize("[Getter]","special")}}else{if(desc.set){str=ctx.stylize("[Setter]","special")}}if(!hasOwnProperty(visibleKeys,key)){name="["+key+"]"}if(!str){if(ctx.seen.indexOf(desc.value)<0){if(isNull(recurseTimes)){str=formatValue(ctx,desc.value,null)}else{str=formatValue(ctx,desc.value,recurseTimes-1)}if(str.indexOf("\n")>-1){if(array){str=str.split("\n").map(function(line){return"  "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return"   "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n  ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":26,_process:12,inherits:9}],28:[function(require,module,exports){var MetadataExtractor=require("./MetadataExtractor"),_=require("lodash");function CompositeExtractor(extractors){if(!(this instanceof CompositeExtractor))return new CompositeExtractor(extractors);MetadataExtractor.call(this);this._extractors=_.isArray(extractors)?{"":extractors}:extractors;if(!_.any(this._extractors,"length"))this._extractors=null}MetadataExtractor.inherits(CompositeExtractor);CompositeExtractor.prototype._extract=function(metadata,tripleStream,callback){_.each(this._extractors||void callback(null,{}),function(extractors,type){var combined,pending=extractors.length;function addMetadata(error,metadata){if(!error)combined=combined?_.defaults(combined,metadata):metadata;if(--pending===0){var result=combined;if(type)result={},result[type]=combined;callback(null,result)}}_.each(extractors,function(e){e.extract(metadata,tripleStream,addMetadata)})})};module.exports=CompositeExtractor},{"./MetadataExtractor":31,lodash:55}],29:[function(require,module,exports){var MetadataExtractor=require("./MetadataExtractor"),UriTemplate=require("uritemplate"),rdf=require("../util/RdfUtil"),assert=require("assert");var LINK_TYPES=["firstPage","nextPage","previousPage","lastPage"];function ControlsExtractor(){if(!(this instanceof ControlsExtractor))return new ControlsExtractor;MetadataExtractor.call(this)}MetadataExtractor.inherits(ControlsExtractor);ControlsExtractor.prototype._extract=function(metadata,tripleStream,callback){var controlData=Object.create(null);tripleStream.on("data",function(triple){if(triple.predicate.indexOf(rdf.HYDRA)===0){var property=triple.predicate.substr(rdf.HYDRA.length),propertyData=controlData[property]||(controlData[property]={}),subjectData=propertyData[triple.subject]||(propertyData[triple.subject]=[]);subjectData.push(triple.object)}});tripleStream.on("end",function(){var controls=Object.create(defaultControls);controls.fragment=metadata.fragmentUrl;LINK_TYPES.forEach(function(property){var linkTargets=(controlData[property]||{})[controls.fragment];if(linkTargets&&linkTargets.length>0)Object.defineProperty(controls,property,{value:linkTargets[0],enumerable:true})});var searchForms=controlData.search;if(searchForms){assert(Object.keys(searchForms).length===1,"Expected 1 hydra:search");var searchForm=searchForms[Object.keys(searchForms)[0]][0],searchTemplates=(controlData.template||{})[searchForm]||[];assert(searchTemplates.length===1,"Expected 1 hydra:template for "+searchForm);var searchTemplateValue=rdf.getLiteralValue(searchTemplates[0]),searchTemplate=UriTemplate.parse(searchTemplateValue);var mappings=(controlData.mapping||{})[searchForm]||[];assert(mappings.length===3,"Expected 3 hydra:mappings for "+searchForm);mappings=mappings.reduce(function(mappings,mapping){var variable=((controlData.variable||{})[mapping]||[])[0],property=((controlData.property||{})[mapping]||[])[0];assert(variable,"Expected a hydra:variable for "+mapping);assert(property,"Expected a hydra:property for "+mapping);mappings[property]=rdf.getLiteralValue(variable);return mappings},{});controls.getFragmentUrl=function(triplePattern){var variables={};variables[mappings[rdf.RDF_SUBJECT]]=triplePattern.subject;variables[mappings[rdf.RDF_PREDICATE]]=triplePattern.predicate;variables[mappings[rdf.RDF_OBJECT]]=triplePattern.object;return searchTemplate.expand(variables)}}callback(null,controls)})};var defaultControls={getFragmentUrl:function(triplePattern){throw new Error("The fragment "+this.fragment+" does not contain Triple Pattern Fragment hypermedia controls.")}};LINK_TYPES.forEach(function(property){Object.defineProperty(defaultControls,property,{get:function(){throw new Error("The fragment "+this.fragment+" does not contain controls for "+property+".")}})});module.exports=ControlsExtractor},{"../util/RdfUtil":50,"./MetadataExtractor":31,assert:2,uritemplate:69}],30:[function(require,module,exports){var MetadataExtractor=require("./MetadataExtractor"),rdf=require("../util/RdfUtil");var DEFAULT_COUNT_PREDICATES=toHash([rdf.VOID_TRIPLES,rdf.HYDRA_TOTALITEMS]);function CountExtractor(options){if(!(this instanceof CountExtractor))return new CountExtractor(options);MetadataExtractor.call(this);this._countPredicates=toHash(options&&options.countPredicates)||DEFAULT_COUNT_PREDICATES}MetadataExtractor.inherits(CountExtractor);CountExtractor.prototype._extract=function(metadata,tripleStream,callback){var countPredicates=this._countPredicates;tripleStream.on("end",sendMetadata);tripleStream.on("data",extractCount);function extractCount(triple){if(triple.predicate in countPredicates&&triple.subject===metadata.fragmentUrl){var count=triple.object.match(/\d+/);count&&sendMetadata({totalTriples:parseInt(count[0],10)})}}function sendMetadata(metadata){tripleStream.removeListener("end",sendMetadata);tripleStream.removeListener("data",extractCount);callback(null,metadata||{})}};function toHash(array){return array&&array.reduce(function(hash,key){return hash[key]=true,hash},Object.create(null))}module.exports=CountExtractor},{"../util/RdfUtil":50,"./MetadataExtractor":31}],31:[function(require,module,exports){var util=require("util");function MetadataExtractor(){if(!(this instanceof MetadataExtractor))return new MetadataExtractor}MetadataExtractor.inherits=function(child){util.inherits(child,this);child.inherits=this.inherits};MetadataExtractor.prototype.extract=function(metadata,tripleStream,callback){if(!callback)return;if(!tripleStream)return callback(null,{});this._extract(metadata||{},tripleStream,callback)};MetadataExtractor.prototype._extract=function(metadata,tripleStream,callback){throw new Error("Not implemented")};module.exports=MetadataExtractor},{util:27}],32:[function(require,module,exports){var FilterIterator=require("./FilterIterator"),crypto=require("crypto");function DistinctIterator(source,options){if(!(this instanceof DistinctIterator))return new DistinctIterator(source,options);FilterIterator.call(this,source,null,options);this._uniques={}}FilterIterator.inherits(DistinctIterator);DistinctIterator.prototype._filter=function(item){var uniques=this._uniques,itemHash=createHash(item);if(!(itemHash in uniques)){uniques[itemHash]=true;this._push(item)}};function createHash(object){var hash=crypto.createHash("sha1");hash.update(JSON.stringify(object));return hash.digest("base64")}module.exports=DistinctIterator},{"./FilterIterator":33,crypto:52}],33:[function(require,module,exports){var TransformIterator=require("./Iterator").TransformIterator;function FilterIterator(source,filter,options){if(!(this instanceof FilterIterator))return new FilterIterator(filter,options);TransformIterator.call(this,source,options);if(typeof filter==="function")this._filter=filter}TransformIterator.inherits(FilterIterator);FilterIterator.prototype._read=function(){var source=this._source;if(source){var item;do{if((item=source.read())===null)return}while(!this._filter(item));this._push(item)}};FilterIterator.prototype._filter=function(item){throw new Error("The _filter method has not been implemented.")};module.exports=FilterIterator},{"./Iterator":34}],34:[function(require,module,exports){var EventEmitter=require("events").EventEmitter,util=require("util");function noop(){}function Iterator(options){if(!(this instanceof Iterator))return new Iterator(options);EventEmitter.call(this);options=options||{};this._buffer=[];this._maxBufferSize=options.bufferSize||4;this.on("newListener",function waitForReadableListener(event){if(event==="readable"){this._fillBufferAsync();this.removeListener("newListener",waitForReadableListener)}});this.on("newListener",function waitForDataListener(event){if(event==="data"){var self=this;this.removeListener("newListener",waitForDataListener);function readAll(){var item;while(EventEmitter.listenerCount(self,"data")!==0&&(item=self.read())!==null)self.emit("data",item);if(EventEmitter.listenerCount(self,"data")===0){self.removeListener("readable",readAll);self.removeListener("newListener",waitForDataListener);self.addListener("newListener",waitForDataListener)}}this.removeListener("readable",readAll);this.addListener("readable",readAll);setImmediate(readAll)}})}util.inherits(Iterator,EventEmitter);Iterator.prototype.read=function(){var item=null,buffer=this._buffer;if(buffer.length===0&&this._maxBufferSize>=0){try{this._read()}catch(readError){this._error(readError)}}if(buffer.length!==0){item=buffer.shift();this._fillBufferAsync()}return item};Iterator.prototype.close=function(){if(!this._ended){this.emit("close");this._rejectDataListeners()}};Iterator.prototype._read=function(){throw new Error("The _read method has not been implemented.")};Iterator.prototype._push=function(item){if(item===null)return this._end();if(item===undefined)return this._ended||this.emit("readable");if(this._maxBufferSize<0)throw new Error("Cannot push because the iterator was ended.");this._buffer.push(item);this.emit("readable")};Iterator.prototype._end=function(){if(this._maxBufferSize>=0){this._maxBufferSize=-1;this._fillBufferAsync()}};Iterator.prototype._fillBuffer=function(){var buffer=this._buffer,prevBufferLength=-1;while(prevBufferLength!==buffer.length&&this._buffer.length<this._maxBufferSize){prevBufferLength=buffer.length;try{this._read&&this._read()}catch(readError){this._error(readError)}}if(this.ended){this.emit("end");this._rejectDataListeners()}};Iterator.prototype._fillBufferAsync=function(){if(!this._fillBufferPending&&(this._buffer.length<this._maxBufferSize||this.ended)){this._fillBufferPending=true;setImmediate(function(self){self._fillBufferPending=false;self._fillBuffer()},this)}};Iterator.prototype._bufferAll=function(){this._maxBufferSize=Infinity;this._fillBufferAsync();this.on("readable",this._fillBuffer.bind(this))};Iterator.prototype._error=function(error){if(!this._handlingError){this._handlingError=true;this.emit("error",error)}};Iterator.prototype._rejectDataListeners=function(){removeDataListeners.call(this);this.removeListener("newListener",removeDataListeners);this.on("newListener",removeDataListeners)};function removeDataListeners(){this.removeAllListeners("data");this.removeAllListeners("readable");this.removeAllListeners("end");this.removeAllListeners("error")}Object.defineProperty(Iterator.prototype,"ended",{enumerable:true,get:function(){return this._buffer.length===0&&this._maxBufferSize<0}});Iterator.prototype.hasProperty=function(propertyName){return"_properties"in this&&propertyName in this._properties};Iterator.prototype.getProperty=function(propertyName,callback,self){if(this.hasProperty(propertyName)){var value=this._properties[propertyName];return callback?self?callback.call(self,value):callback(value):value}callback&&this.once(propertyName+"Set",self?callback.bind(self):callback)};Iterator.prototype.setProperty=function(propertyName,value){var properties=this._properties||(this._properties=Object.create(null));properties[propertyName]=value;this.emit(propertyName+"Set",value)};Iterator.prototype._inheritProperties=function(source){if(source.setProperty){source.setProperty("child",true);this._properties=Object.create(source._properties);for(var event in this._events){/\Set$/.test(event)&&this.listeners(event).forEach(function(listener){source.addListener(event,listener)})}this.on("newListener",function(event,listener){if(/\Set$/.test(event))source.addListener(event,listener)})}};Iterator.prototype.toArray=function(callback){var self=this,items=[];if(this.ended)return done();this.on("data",read);this.on("end",done);this.on("error",done);function read(item){items.push(item)}function done(error){self.removeListener("data",read);self.removeListener("end",done);self.removeListener("error",done);try{callback&&callback(error,error?null:items)}finally{callback=items=null}}};Iterator.prototype.clone=function(){if(!this._origRead){this._cache=[];this.setMaxListeners(0);this._origRead=this.read;this.read=function(){throw new Error("This iterator has been cloned and may not be read directly.")}}var clone=new Iterator;clone._inheritProperties(this);if(this.ended&&this._cache.length===0)clone._end();else{var source=this,readPosition=0;clone.read=function(){var item;if(readPosition<source._cache.length)item=source._cache[readPosition++];else{item=source._origRead();item&&(source._cache[readPosition++]=item)}if(source.ended&&readPosition===source._cache.length)clone._end();return item};clone._read=noop;this.on("readable",function(){clone.emit("readable")});this.on("end",function(){if(readPosition===source._cache.length)clone._end()});this.on("error",function(error){clone.emit("error",error)})}var toString=this.toString();clone.toString=function(){return"(cloneOf) "+toString};return clone};Iterator.prototype.toString=function(){return"["+this.constructor.name+"]"};Iterator.inherits=function(child){util.inherits(child,this);child.inherits=this.inherits};function EmptyIterator(){if(!(this instanceof EmptyIterator))return new EmptyIterator;Iterator.call(this);this._end()}Iterator.inherits(EmptyIterator);function SingleIterator(item){if(!(this instanceof SingleIterator))return new SingleIterator(item);Iterator.call(this);

this._push(item);this._end()}Iterator.inherits(SingleIterator);function WaitingIterator(){if(!(this instanceof WaitingIterator))return new WaitingIterator;Iterator.call(this);this._rejectDataListeners()}Iterator.inherits(WaitingIterator);WaitingIterator.prototype.read=function(){return null};function ArrayIterator(array){if(!(this instanceof ArrayIterator))return new ArrayIterator(array);Iterator.call(this);var length=(array&&array.length)|0;if(length>0){var buffer=this._buffer=new Array(length);for(var i=0;i<length;i++)buffer[i]=array[i]}this._end()}Iterator.inherits(ArrayIterator);function TransformIterator(source,options){if(!(this instanceof TransformIterator))return new TransformIterator(source,options);if(source&&typeof source.on!=="function")options=source,source=null;Iterator.call(this,options);source&&this.setSource(source)}Iterator.inherits(TransformIterator);var WAITING=0,TRANSFORMING=1,ENDING=2;TransformIterator.prototype._transformStatus=WAITING;TransformIterator.prototype.setSource=function(source){if(this.hasOwnProperty("_source"))throw new Error("Source already set.");this._source=source;this._properties||this._inheritProperties(source);if(!source.ended){var self=this;source.on("error",function(error){self._error(error)});source.on("end",function(){if(self._transformStatus===WAITING)self._flush();else self._transformStatus=ENDING});this.on("newListener",function waitForReadable(event){if(event==="readable"){self._fillBufferAsync();source.on("readable",function(){self._fillBuffer()});this.removeListener("newListener",waitForReadable)}});if(EventEmitter.listenerCount(this,"readable")!==0)this.emit("newListener","readable")}else this._end()};TransformIterator.prototype._source=WaitingIterator();TransformIterator.prototype._read=function(){switch(this._transformStatus){case WAITING:var item=this._source.read();if(item!==null){var self=this;this._transformStatus=TRANSFORMING;this._transform(item,function(){if(self._transformStatus===TRANSFORMING)self._transformStatus=WAITING;self.emit("readable",self)})}break;case ENDING:this._transformStatus=WAITING;this._flush();break}};TransformIterator.prototype._transform=function(item,done){throw new Error("The _transform method has not been implemented.")};TransformIterator.prototype._flush=function(){this._end()};TransformIterator.prototype.toString=function(){return Iterator.prototype.toString.call(this)+"\n  <= "+this.getSourceString()};TransformIterator.prototype.getSourceString=function(){return this.hasOwnProperty("_source")?this._source.toString():"(none)"};function PassthroughIterator(source,options){if(!(this instanceof PassthroughIterator))return new PassthroughIterator(source,options);TransformIterator.call(this,source,options)}TransformIterator.inherits(PassthroughIterator);PassthroughIterator.prototype.setSource=function(source){TransformIterator.prototype.setSource.call(this,source);this._inheritProperties(source)};PassthroughIterator.prototype._read=function(){var item=this._source&&this._source.read();if(item!==null)this._push(item)};PassthroughIterator.prototype.toString=function(){if(!this.hasOwnProperty("_source"))return Iterator.prototype.toString.call(this);return this.getSourceString()};function BufferIterator(){if(!(this instanceof BufferIterator))return new BufferIterator;Iterator.call(this)}Iterator.inherits(BufferIterator);BufferIterator.prototype._read=noop;module.exports=Iterator;Iterator.Iterator=Iterator;Iterator.EmptyIterator=Iterator.empty=EmptyIterator;Iterator.SingleIterator=Iterator.single=SingleIterator;Iterator.WaitingIterator=Iterator.waiting=WaitingIterator;Iterator.ArrayIterator=Iterator.fromArray=ArrayIterator;Iterator.TransformIterator=Iterator.transform=TransformIterator;Iterator.StreamIterator=Iterator.fromStream=PassthroughIterator;Iterator.PassthroughIterator=Iterator.passthrough=PassthroughIterator;Iterator.BufferIterator=Iterator.buffered=BufferIterator},{events:8,util:27}],35:[function(require,module,exports){var TransformIterator=require("./Iterator").TransformIterator;function LimitIterator(source,offset,limit,options){if(!(this instanceof LimitIterator))return new LimitIterator(source,offset,limit,options);TransformIterator.call(this,source,options);this._offset=offset=isFinite(offset)?Math.max(~~offset,0):0;this._limit=limit=isFinite(limit)?Math.max(~~limit,0):Infinity;limit===0&&this._end()}TransformIterator.inherits(LimitIterator);LimitIterator.prototype._read=function(){if(!this._reading&&this._limit!==0){var source=this._source,item;if(source){this._reading=true;while(this._offset!==0){if((item=source.read())===null)return this._reading=false;this._offset--}if((item=source.read())!==null){if(this._maxBufferSize>-1)this._push(item);if(--this._limit<=0)this._end()}this._reading=false}}};module.exports=LimitIterator},{"./Iterator":34}],36:[function(require,module,exports){var TransformIterator=require("./Iterator").TransformIterator;function MultiTransformIterator(source,options){if(!(this instanceof MultiTransformIterator))return new MultiTransformIterator(source,options);TransformIterator.call(this,source,options);this._options=options||{};if(this._optional=this._options.optional||false)(this._options=Object.create(this._options)).optional=false;this._transformerQueue=[];var self=this;this._emitError=function(error){self.emit("error",error)};this._fillBufferBound=function(){self._fillBuffer()}}TransformIterator.inherits(MultiTransformIterator);var WAITING=0,TRANSFORMING=1,ENDING=2;MultiTransformIterator.prototype._read=function(){var item,transformer,transformerQueue=this._transformerQueue,optional=this._optional;if(this._transformStatus!==WAITING)return;this._transformStatus=TRANSFORMING;while((transformer=transformerQueue[0])&&transformer.ended){transformerQueue.shift();if(optional){if(!this._itemTransformed){this._push(transformer.item);return this._transformStatus=WAITING}this._itemTransformed=false}}if(!transformer){do{if(item=this._source.read()){transformer=this._createTransformer(item,this._options);if(transformer&&!transformer.ended){transformer.item=item;transformerQueue.push(transformer);transformer.on("error",this._emitError);transformer.on("readable",this._fillBufferBound);transformer.on("end",this._fillBufferBound)}else if(optional){this._push(item);return this._transformStatus=WAITING}}}while(item&&transformerQueue.length<this._maxBufferSize);if(!(transformer=transformerQueue[0])){if(this._source.ended)this._end();return this._transformStatus=WAITING}}item=this._readTransformer(transformer,transformer.item);if(item!==null){optional&&(this._itemTransformed=true);this._push(item)}this._transformStatus=WAITING};MultiTransformIterator.prototype._createTransformer=function(item,options){throw new Error("The _createTransformer method has not been implemented.")};MultiTransformIterator.prototype._readTransformer=function(transformer,transformerItem){return transformer.read()};MultiTransformIterator.prototype._flush=function(){this._fillBuffer()};module.exports=MultiTransformIterator},{"./Iterator":34}],37:[function(require,module,exports){var TransformIterator=require("./Iterator").TransformIterator;function SortIterator(source,sort,options){if(!(this instanceof SortIterator))return new SortIterator(source,sort,options);if(typeof sort!=="function")options=sort,sort=null;TransformIterator.call(this,source,options);var window=options&&options.window;this._windowLength=isFinite(window)&&window>0?~~window:Infinity;this._sort=sort||defaultSort;this._sorted=[]}TransformIterator.inherits(SortIterator);SortIterator.prototype._read=function(){var item,sorted=this._sorted,source=this._source,length=sorted.length;if(source){while(length!==this._windowLength&&(item=source.read())!==null){var left=0,right=length-1,mid,order;while(left<=right){order=this._sort(item,sorted[mid=left+right>>1]);if(order<0)left=mid+1;else if(order>0)right=mid-1;else left=mid,right=-1}sorted.splice(left,0,item),length++}length===this._windowLength&&this._push(sorted.pop())}};SortIterator.prototype._flush=function(){var sorted=this._sorted,length=sorted.length;while(length--)this._push(sorted.pop());this._end()};function defaultSort(a,b){if(a<b)return-1;if(a>b)return 1;return 0}module.exports=SortIterator},{"./Iterator":34}],38:[function(require,module,exports){var Iterator=require("./Iterator");function UnionIterator(sources,options){if(!(this instanceof UnionIterator))return new UnionIterator(sources,options);Iterator.call(this,options);this._sources=[];this._sourceIndex=0;if(sources&&sources.length){var self=this;function fillBuffer(){self._fillBuffer()}function emitError(error){self._error(error)}for(var i=0,l=sources.length;i<l;i++){var source=sources[i];if(source&&!source.ended){this._sources.push(source);source.on("readable",fillBuffer);source.on("end",fillBuffer);source.on("error",emitError)}}}this._sources.length===0&&this._end();this._reading=false}Iterator.inherits(UnionIterator);UnionIterator.prototype._read=function(){if(this._reading)return;this._reading=true;var item=null,sources=this._sources,attempts=sources.length;while(!item&&attempts--){var source=sources[this._sourceIndex];item=source.read();source.ended?sources.splice(this._sourceIndex,1):this._sourceIndex++;this._sourceIndex<sources.length||(this._sourceIndex=0)}item!==null&&this._push(item);this._sources.length===0&&this._end();this._reading=false};module.exports=UnionIterator},{"./Iterator":34}],39:[function(require,module,exports){var HttpClient=require("../util/HttpClient"),Iterator=require("../iterators/Iterator"),rdf=require("../util/RdfUtil"),Cache=require("lru-cache"),CompositeExtractor=require("../extractors/CompositeExtractor"),CountExtractor=require("../extractors/CountExtractor"),ControlsExtractor=require("../extractors/ControlsExtractor"),_=require("lodash");var DEFAULT_ACCEPT="application/trig;q=1.0,application/n-quads;q=0.7,"+"text/turtle;q=0.6,application/n-triples;q=0.3,text/n3;q=0.2";var parserTypes=[require("./TrigFragmentIterator"),require("./TurtleFragmentIterator")];function FragmentsClient(startFragment,options){if(!(this instanceof FragmentsClient))return new FragmentsClient(startFragment,options);options=_.defaults(options||{},{contentType:DEFAULT_ACCEPT});var cache=this._cache=new Cache({max:100});this._httpClient=options.httpClient||new HttpClient(options);this._metadataExtractor=options.metadataExtractor||new CompositeExtractor({metadata:[new CountExtractor],controls:[new ControlsExtractor]});if(startFragment){if(typeof startFragment==="string"){var startFragmentUrl=this._startFragmentUrl=startFragment;startFragment=new Fragment(this);startFragment.loadFromUrl(startFragmentUrl)}this._startFragment=startFragment;startFragment.setMaxListeners(100);startFragment.once("error",function(error){cache.reset();startFragment.error=error});startFragment.getProperty("controls",function(){startFragment.error=null;startFragment.removeAllListeners("error")})}}FragmentsClient.prototype.getFragmentByPattern=function(pattern){var cache=this._cache,key=JSON.stringify(pattern);if(cache.has(key))return cache.get(key).clone();var fragment=new Fragment(this,pattern);var startFragment=this._startFragment;if(startFragment.error!==null){if(startFragment.error)return setImmediate(startFragmentError),fragment;startFragment.once("error",startFragmentError)}function startFragmentError(){fragment.emit("error",startFragment.error);fragment._end()}startFragment.getProperty("controls",function(controls){var subject=rdf.isVariableOrBlank(pattern.subject)?null:pattern.subject;var predicate=rdf.isVariableOrBlank(pattern.predicate)?null:pattern.predicate;var object=rdf.isVariableOrBlank(pattern.object)?null:pattern.object;if(rdf.isLiteral(subject)||rdf.isLiteral(predicate))return fragment.empty();pattern={subject:subject,predicate:predicate,object:object};fragment.loadFromUrl(controls.getFragmentUrl(pattern))});cache.set(key,fragment);return fragment.clone()};function Fragment(fragmentsClient,pattern){if(!(this instanceof Fragment))return new Fragment(fragmentsClient);Iterator.call(this);this._fragmentsClient=fragmentsClient;this._pattern=pattern}Iterator.inherits(Fragment);Fragment.prototype._read=function(){if(this._fragmentPage){var item=this._fragmentPage.read();item&&this._push(item)}};Fragment.prototype.loadFromUrl=function(pageUrl){var self=this,fragmentsClient=this._fragmentsClient,fragmentPage,headers={"user-agent":"Triple Pattern Fragments Client"};if(fragmentsClient._startFragmentUrl)headers.referer=fragmentsClient._startFragmentUrl;fragmentPage=fragmentsClient._httpClient.get(pageUrl,headers);fragmentPage.on("error",function(error){self.emit("error",error)});fragmentPage.getProperty("statusCode",function(statusCode){if(statusCode!==200){fragmentPage.emit("error",new Error("Could not retrieve "+pageUrl+" ("+statusCode+")"));return self._end()}fragmentPage.getProperty("contentType",function(contentType){var Parser=_.find(parserTypes,function(P){return P.supportsContentType(contentType)});if(!Parser)return self.emit("error",new Error("No parser for "+contentType+" at "+pageUrl));var parsedPage=self._fragmentPage=new Parser(fragmentPage,pageUrl);parsedPage.on("readable",function(){self.emit("readable")});var controls={};fragmentsClient._metadataExtractor.extract({fragmentUrl:pageUrl},parsedPage.metadataStream,function(error,metadata){for(var type in metadata)if(!self.getProperty(type))self.setProperty(type,metadata[type]);controls=metadata.controls||controls});parsedPage.on("end",function(){setImmediate(loadNextPage)});function loadNextPage(){var nextPage;try{nextPage=controls&&controls.nextPage}catch(controlError){}nextPage?self.loadFromUrl(nextPage):self._end()}parsedPage.on("error",function(error){fragmentPage.emit("error",error)});self.emit("readable")})})};Fragment.prototype.empty=function(){if(!this.getProperty("metadata"))this.setProperty("metadata",{totalTriples:0});return this._end(),this};Fragment.prototype.toString=function(){return"["+this.constructor.name+" {"+rdf.toQuickString(this._pattern)+")}"};module.exports=FragmentsClient},{"../extractors/CompositeExtractor":28,"../extractors/ControlsExtractor":29,"../extractors/CountExtractor":30,"../iterators/Iterator":34,"../util/HttpClient":48,"../util/RdfUtil":50,"./TrigFragmentIterator":42,"./TurtleFragmentIterator":44,lodash:55,"lru-cache":56}],40:[function(require,module,exports){var Iterator=require("../iterators/Iterator"),MultiTransformIterator=require("../iterators/MultiTransformIterator"),rdf=require("../util/RdfUtil"),_=require("lodash"),Logger=require("../util/ExecutionLogger")("ReorderingGraphPatternIterator");var TriplePatternIterator=require("./TriplePatternIterator");function ReorderingGraphPatternIterator(parent,pattern,options){if(!pattern||!pattern.length)return new Iterator.passthrough(parent,options);if(pattern.length===1)return new TriplePatternIterator(parent,pattern[0],options);if(!(this instanceof ReorderingGraphPatternIterator))return new ReorderingGraphPatternIterator(parent,pattern,options);MultiTransformIterator.call(this,parent,options);this._pattern=pattern;this._client=this._options.fragmentsClient}MultiTransformIterator.inherits(ReorderingGraphPatternIterator);ReorderingGraphPatternIterator.prototype._createTransformer=function(bindings,options){var boundPattern=rdf.applyBindings(bindings,this._pattern);var subPatterns=_.sortBy(rdf.findConnectedPatterns(boundPattern),function(patterns){var distinctVariableCount=_.union.apply(_,patterns.map(rdf.getVariables)).length;return-(boundPattern.length*distinctVariableCount+patterns.length)}),subPattern=subPatterns.pop(),remainingPatterns=subPattern.length,pipeline;if(remainingPatterns===1)return createPipeline(subPattern.pop());pipeline=new Iterator.PassthroughIterator(true);var bestIndex=0,minMatches=Infinity;subPattern.forEach(function(triplePattern,index){var fragment=this._client.getFragmentByPattern(triplePattern);fragment.getProperty("metadata",function(metadata){Logger.logBinding(this,bindings,triplePattern,metadata.totalTriples);fragment.close();if(metadata.totalTriples===0)return pipeline._end();if(metadata.totalTriples<minMatches)bestIndex=index,minMatches=metadata.totalTriples;if(--remainingPatterns===0)pipeline.setSource(createPipeline(subPattern.splice(bestIndex,1)[0]))},this);fragment.on("error",function(error){Logger.warning(error.message);if(!fragment.getProperty("metadata"))fragment.setProperty("metadata",{totalTriples:0})})},this);return pipeline;function createPipeline(triplePattern){var startIterator=Iterator.single(bindings),pipeline=new TriplePatternIterator(startIterator,triplePattern,options);if(subPattern&&subPattern.length!==0)pipeline=new ReorderingGraphPatternIterator(pipeline,subPattern,options);while(subPattern=subPatterns.pop())pipeline=new ReorderingGraphPatternIterator(pipeline,subPattern,options);return pipeline}};ReorderingGraphPatternIterator.prototype.toString=function(){return"["+this.constructor.name+" {"+this._pattern.map(rdf.toQuickString).join(" ")+"}]"+"\n  <= "+this.getSourceString()};module.exports=ReorderingGraphPatternIterator},{"../iterators/Iterator":34,"../iterators/MultiTransformIterator":36,"../util/ExecutionLogger":47,"../util/RdfUtil":50,"./TriplePatternIterator":43,lodash:55}],41:[function(require,module,exports){var SparqlParser=require("sparqljs").Parser,Iterator=require("../iterators/Iterator"),TransformIterator=Iterator.TransformIterator,ReorderingGraphPatternIterator=require("./ReorderingGraphPatternIterator"),UnionIterator=require("../iterators/UnionIterator"),FilterIterator=require("../iterators/FilterIterator"),SortIterator=require("../iterators/SortIterator"),LimitIterator=require("../iterators/LimitIterator"),DistinctIterator=require("../iterators/DistinctIterator"),SparqlExpressionEvaluator=require("../util/SparqlExpressionEvaluator"),_=require("lodash"),util=require("util"),rdf=require("../util/RdfUtil"),createErrorType=require("../util/CustomError");function SparqlIterator(source,queryText,options){if(typeof source==="string")options=queryText,queryText=source,source=null;try{var query=new SparqlParser(options.prefixes).parse(queryText),queryIterator,QueryConstructor=queryConstructors[query.queryType];if(!QueryConstructor)throw new Error("No iterator available for query type: "+query.queryType);queryIterator=new QueryConstructor(true,query,options);var graphIterator=new SparqlGroupsIterator(source||Iterator.single({}),queryIterator.patterns||query.where,options);for(var i=query.order&&query.order.length-1;i>=0;i--){var order=SparqlExpressionEvaluator(query.order[i].expression),ascending=!query.order[i].descending;graphIterator=new SortIterator(graphIterator,function(a,b){var orderA=order(a),orderB=order(b);if(orderA<orderB)return ascending?-1:1;if(orderB<orderA)return ascending?1:-1;return 0},options)}queryIterator.setSource(graphIterator);if(query.distinct)queryIterator=new DistinctIterator(queryIterator,options);if("offset"in query||"limit"in query)queryIterator=new LimitIterator(queryIterator,query.offset,query.limit,options);queryIterator.queryType=query.queryType;return queryIterator}catch(error){if(/Parse error/.test(error.message))error=new InvalidQueryError(queryText,error);else error=new UnsupportedQueryError(queryText,error);throw error}}TransformIterator.inherits(SparqlIterator);var queryConstructors={SELECT:SparqlSelectIterator,CONSTRUCT:SparqlConstructIterator,DESCRIBE:SparqlDescribeIterator,ASK:SparqlAskIterator};function SparqlSelectIterator(source,query,options){TransformIterator.call(this,source,options);this.setProperty("variables",query.variables)}SparqlIterator.inherits(SparqlSelectIterator);SparqlSelectIterator.prototype._transform=function(bindings,done){this._push(this.getProperty("variables").reduce(function(row,variable){if(variable!=="*")row[variable]=rdf.deskolemize(bindings[variable]);else for(variable in bindings)if(rdf.isVariable(variable))row[variable]=rdf.deskolemize(bindings[variable]);return row},Object.create(null)));done()};function SparqlConstructIterator(source,query,options){TransformIterator.call(this,source,options);this._template=query.template.filter(function(triplePattern){return rdf.hasVariables(triplePattern)||this._push(triplePattern)},this);this._blankNodeId=0}SparqlIterator.inherits(SparqlConstructIterator);SparqlConstructIterator.prototype._transform=function(bindings,done){var blanks=Object.create(null);this._template.forEach(function(triplePattern){var s=triplePattern.subject,p=triplePattern.predicate,o=triplePattern.object,s0=s[0],p0=p[0],o0=o[0];if(s0==="?"){if((s=rdf.deskolemize(bindings[s]))===undefined)return}else if(s0==="_")s=blanks[s]||(blanks[s]="_:b"+this._blankNodeId++);if(p0==="?"){if((p=rdf.deskolemize(bindings[p]))===undefined)return}else if(p0==="_")p=blanks[p]||(blanks[p]="_:b"+this._blankNodeId++);if(o0==="?"){if((o=rdf.deskolemize(bindings[o]))===undefined)return}else if(o0==="_")o=blanks[o]||(blanks[o]="_:b"+this._blankNodeId++);this._push({subject:s,predicate:p,object:o})},this);done()};function SparqlDescribeIterator(source,query,options){var variables=query.variables,template=query.template=[];for(var i=0,l=variables.length;i<l;i++)template.push(rdf.triple(variables[i],"?__predicate"+i,"?__object"+i));query.where=query.where.concat({type:"bgp",triples:template});SparqlConstructIterator.call(this,source,query,options)}SparqlConstructIterator.inherits(SparqlDescribeIterator);function SparqlAskIterator(source,query,options){TransformIterator.call(this,source,options)}SparqlIterator.inherits(SparqlAskIterator);SparqlAskIterator.prototype._transform=function(bindings,done){this._push(true);this._push(null);done()};SparqlAskIterator.prototype._flush=function(){if(!this.ended){this._push(false);this._push(null)}};function SparqlGroupsIterator(source,groups,options){return groups.reduce(function(source,group){return new SparqlGroupIterator(source,group,options)},source)}Iterator.inherits(SparqlGroupsIterator);function SparqlGroupIterator(source,group,options){var childOptions=options.optional?_.create(options,{optional:false}):options;switch(group.type){case"bgp":return new ReorderingGraphPatternIterator(source,group.triples,options);case"group":return new SparqlGroupsIterator(source,group.patterns,childOptions);case"optional":childOptions=_.create(options,{optional:true});return new SparqlGroupsIterator(source,group.patterns,childOptions);case"union":return new UnionIterator(group.patterns.map(function(patternToken){return new SparqlGroupIterator(source.clone(),patternToken,childOptions)}),options);case"filter":var evaluate=SparqlExpressionEvaluator(group.expression);return new FilterIterator(source,function(bindings){return!/^"false"|^"0"/.test(evaluate(bindings))},options);default:throw new Error("Unsupported group type: "+group.type)}}Iterator.inherits(SparqlGroupIterator);var InvalidQueryError=createErrorType("InvalidQueryError",function(query,cause){this.message="Syntax error in query\n"+cause.message});var UnsupportedQueryError=createErrorType("UnsupportedQueryError",function(query,cause){this.message="The query is not yet supported\n"+cause.message});module.exports=SparqlIterator;SparqlIterator.InvalidQueryError=InvalidQueryError;SparqlIterator.UnsupportedQueryError=UnsupportedQueryError},{"../iterators/DistinctIterator":32,"../iterators/FilterIterator":33,"../iterators/Iterator":34,"../iterators/LimitIterator":35,"../iterators/SortIterator":37,"../iterators/UnionIterator":38,"../util/CustomError":46,"../util/RdfUtil":50,"../util/SparqlExpressionEvaluator":51,"./ReorderingGraphPatternIterator":40,lodash:55,sparqljs:68,util:27}],42:[function(require,module,exports){var TurtleFragmentIterator=require("./TurtleFragmentIterator");function TrigFragmentIterator(source,fragmentUrl){if(!(this instanceof TrigFragmentIterator))return new TrigFragmentIterator(source,fragmentUrl);TurtleFragmentIterator.call(this,source,fragmentUrl)}TurtleFragmentIterator.inherits(TrigFragmentIterator);TrigFragmentIterator.prototype._processTriple=function(quad){if(!quad.graph)this._push(quad);else this.metadataStream._push(quad)};TrigFragmentIterator.supportsContentType=function(contentType){return/^application\/(?:trig|n-quads)$/.test(contentType)};module.exports=TrigFragmentIterator},{"./TurtleFragmentIterator":44}],43:[function(require,module,exports){var MultiTransformIterator=require("../iterators/MultiTransformIterator"),rdf=require("../util/RdfUtil"),Logger=require("../util/ExecutionLogger")("TriplePatternIterator");function TriplePatternIterator(parent,pattern,options){if(!(this instanceof TriplePatternIterator))return new TriplePatternIterator(parent,pattern,options);MultiTransformIterator.call(this,parent,options);this._pattern=pattern;this._client=this._options.fragmentsClient}MultiTransformIterator.inherits(TriplePatternIterator);TriplePatternIterator.prototype._createTransformer=function(bindings,options){var boundPattern=rdf.applyBindings(bindings,this._pattern);var fragment=this._client.getFragmentByPattern(boundPattern);Logger.logFragment(this,fragment,bindings);fragment.on("error",function(error){Logger.warning(error.message)});return fragment};TriplePatternIterator.prototype._readTransformer=function(fragment,fragmentBindings){var triple;while(triple=fragment.read()){try{return rdf.extendBindings(fragmentBindings,this._pattern,triple)}catch(bindingError){}}return null};TriplePatternIterator.prototype.toString=function(){return"["+this.constructor.name+" {"+rdf.toQuickString(this._pattern)+")}"+"\n  <= "+this.getSourceString()};module.exports=TriplePatternIterator},{"../iterators/MultiTransformIterator":36,"../util/ExecutionLogger":47,"../util/RdfUtil":50}],44:[function(require,module,exports){var TransformIterator=require("../iterators/Iterator").TransformIterator,BufferIterator=require("../iterators/Iterator").BufferIterator,rdf=require("../util/RdfUtil"),N3=require("n3");function TurtleFragmentIterator(source,fragmentUrl){if(!(this instanceof TurtleFragmentIterator))return new TurtleFragmentIterator(source,fragmentUrl);TransformIterator.call(this,source);this.metadataStream=new BufferIterator;if(source&&source.ended)return this.metadataStream._push(null);this.metadataStream.on("newListener",function metadataListenerAdded(event){if(event==="data"||event==="end"){this.removeListener("newListener",metadataListenerAdded);self._bufferAll()}});var self=this;this._parser=new N3.Parser({documentURI:fragmentUrl});this._parser.parse(function(error,triple){triple&&self._push(self._processTriple(triple))||error&&self.emit("error",error)});this._fragmentUrl=fragmentUrl}TransformIterator.inherits(TurtleFragmentIterator);TurtleFragmentIterator.prototype._transform=function(chunk,done){this._parser.addChunk(chunk),done()};TurtleFragmentIterator.prototype._processTriple=function(triple){if(triple.subject!==this._fragmentUrl&&triple.predicate.indexOf(rdf.HYDRA)!==0)this._push(triple);else this.metadataStream._push(triple)};TurtleFragmentIterator.prototype._flush=function(){this._parser.end();this.metadataStream._end();this._end()};TurtleFragmentIterator.supportsContentType=function(contentType){return/^(?:text\/turtle|text\/n3|application\/n-triples)$/.test(contentType)};module.exports=TurtleFragmentIterator},{"../iterators/Iterator":34,"../util/RdfUtil":50,n3:57}],45:[function(require,module,exports){var FragmentsClient=require("../FragmentsClient"),Iterator=require("../../iterators/Iterator"),rdf=require("../../util/RdfUtil"),_=require("lodash");function FederatedFragmentsClient(startFragments,options){if(!(this instanceof FederatedFragmentsClient))return new FederatedFragmentsClient(startFragments,options);if(!_.isArray(startFragments))return new FragmentsClient(startFragments,options);if(startFragments.length===1)return new FragmentsClient(startFragments[0],options);var clients=this._clients=(startFragments||[]).map(function(startFragment){var client=new FragmentsClient(startFragment,options);client._emptyPatterns=[];return client});this._options=_.extend({allowedFragmentErrors:clients.length-1},options)}FederatedFragmentsClient.prototype.getFragmentByPattern=function(pattern){var fragments=[];this._clients.forEach(function(client){var empty=_.some(client._emptyPatterns,rdf.isBoundPatternOf.bind(null,pattern));if(!empty){var fragment=client.getFragmentByPattern(pattern);fragment.getProperty("metadata",function(metadata){if(metadata.totalTriples===0)client._emptyPatterns.push(pattern)});fragments.push(fragment)}});return new CompoundFragment(fragments,this._options)};function CompoundFragment(fragments,options){if(!(this instanceof CompoundFragment))return new CompoundFragment(fragments,options);Iterator.call(this);if(!fragments||!fragments.length)return this.empty(),this;var pendingFragments=this._pendingFragments=_.indexBy(fragments,getIndex),combinedMetadata=this._metadata={totalTriples:0},pendingFragmentsCount=fragments.length,pendingMetadataCount=fragments.length,allowedErrors=options.allowedFragmentErrors||0;var self=this;_.each(pendingFragments,function(fragment,index){fragment.on("readable",emitReadable);var metadataDone=_.once(function(fragmentMetadata){if(fragmentMetadata)combinedMetadata.totalTriples+=fragmentMetadata.totalTriples;if(--pendingMetadataCount===0)self.setProperty("metadata",combinedMetadata)});fragment.getProperty("metadata",metadataDone);var fragmentDone=_.once(function(){delete pendingFragments[index];if(--pendingFragmentsCount===0)self._end()});fragment.on("end",fragmentDone);fragment.on("error",function(error){if(allowedErrors--===0)return self.emit("error",error);metadataDone();fragmentDone()})});function emitReadable(){self.emit("readable")}}Iterator.inherits(CompoundFragment);CompoundFragment.prototype._read=function(){if(this._reading)return;this._reading=true;_.find(this._pendingFragments,function(fragment,item){if(item=fragment.read()){this._push(item);return true}},this);this._reading=false};CompoundFragment.prototype.empty=function(){if(!this.getProperty("metadata"))this.setProperty("metadata",{totalTriples:0});this._end()};CompoundFragment.prototype.toString=function(){return this.toString()+"{"+_.map(this._pendingFragments,function(f){return f.toString()}).join(", ")+"}"};function getIndex(element,index){return index}module.exports=FederatedFragmentsClient},{"../../iterators/Iterator":34,"../../util/RdfUtil":50,"../FragmentsClient":39,lodash:55}],46:[function(require,module,exports){function createErrorType(name,init){function E(message){this.name=name;if(!Error.captureStackTrace)this.stack=(new Error).stack;else Error.captureStackTrace(this,this.constructor);this.message=message;init&&init.apply(this,arguments)}E.prototype=new Error;E.prototype.name=name;E.prototype.constructor=E;return E}module.exports=createErrorType},{}],47:[function(require,module,exports){var Logger=require("./Logger"),util=require("util"),Iterator=require("../iterators/Iterator");if(typeof Iterator.prototype.uniqueId==="undefined"){var uniqueId=0;Iterator.prototype.uniqueId=function(){if(typeof this.__uniqueid==="undefined")this.__uniqueid=++uniqueId;return this.__uniqueid}}function ExecutionLogger(name){if(!(this instanceof ExecutionLogger))return new ExecutionLogger(name);Logger.call(this,name)}util.inherits(ExecutionLogger,Logger);ExecutionLogger.prototype.logBinding=function(iterator,bindings,triplePattern,count){if(Logger.enabled("debug"))this.debug(ExecutionLogger.index++,iterator.uniqueId(),bindings,triplePattern,count)};ExecutionLogger.prototype.logFragment=function(iterator,fragment,bindings){if(Logger.enabled("debug")){var self=this;fragment.getProperty("metadata",function(metadata){self.logBinding(iterator,bindings,iterator._pattern,metadata&&metadata.totalTriples)})}};ExecutionLogger.index=1;module.exports=ExecutionLogger},{"../iterators/Iterator":34,"./Logger":49,util:27}],48:[function(require,module,exports){var Iterator=require("../iterators/Iterator"),request=require("request"),Logger=require("../util/Logger.js"),zlib=require("zlib"),_=require("lodash");var activeRequests={},requestId=0;

function HttpClient(options){if(!(this instanceof HttpClient))return new HttpClient(options);options=options||{};this._request=options.request||request;this._contentType=options.contentType||"*/*";this._queue=[];this._activeRequests=0;this._maxActiveRequests=options.concurrentRequests||20;this._logger=options.logger||Logger("HttpClient")}HttpClient.prototype.get=function(url,headers,options){return this.request(url,"GET",headers,options)};HttpClient.prototype.request=function(url,method,headers,options){var responseIterator=new Iterator.PassthroughIterator(true),self=this;function performRequest(){self._logger.info("Requesting",url);self._activeRequests++;var acceptHeaders={accept:self._contentType,"accept-encoding":"gzip,deflate"};var requestOptions={url:url,method:method||"GET",headers:headers?_.assign(acceptHeaders,headers):acceptHeaders,timeout:5e3,followRedirect:true},request,startTime=new Date;try{request=self._request(options?_.assign(requestOptions,options):requestOptions)}catch(error){return setImmediate(emitError,error),responseIterator}activeRequests[request._id=requestId++]=request;function emitError(error){if(!this._aborted||!error||error.code!=="ETIMEDOUT")responseIterator._error(error);delete activeRequests[request&&request._id]}request.on("response",function(response){var statusCode=response.statusCode,headers=response.headers,responseTime=new Date-startTime,encoding,contentType,nextRequest;delete activeRequests[request._id];self._activeRequests--;(nextRequest=self._queue.shift())&&nextRequest();switch(encoding=headers["content-encoding"]||""){case"gzip":response.pipe(response=zlib.createGunzip());break;case"deflate":response.pipe(response=zlib.createInflate());break;case"":break;default:return responseIterator._error(new Error("Unsupported encoding: "+encoding))}response.on("error",emitError);response.setEncoding&&response.setEncoding("utf8");response.pause&&response.pause();responseIterator.setSource(response);responseIterator._bufferAll();contentType=(headers["content-type"]||"").replace(/\s*(?:;.*)?$/,"");responseIterator.setProperty("statusCode",statusCode);responseIterator.setProperty("contentType",contentType);responseIterator.setProperty("responseTime",responseTime)}).on("error",emitError)}if(this._activeRequests<this._maxActiveRequests)performRequest();else this._queue.push(performRequest);return responseIterator};HttpClient.abortAll=function(){for(var id in activeRequests){activeRequests[id].abort();delete activeRequests[id]}};module.exports=HttpClient},{"../iterators/Iterator":34,"../util/Logger.js":49,lodash:55,request:53,zlib:3}],49:[function(require,module,exports){var rdf=require("./RdfUtil"),_=require("lodash");var LOG_LEVELS=["EMERGENCY","ALERT","CRITICAL","ERROR","WARNING","NOTICE","INFO","DEBUG"];function Logger(name){if(!(this instanceof Logger))return new Logger(name);this._name=name||""}Logger.prototype.log=function(level,items){items=_.map(items,this._format,this);items.unshift("["+new Date+"]",level,this._name);this._print(items)};LOG_LEVELS.forEach(function(level){Logger.prototype[level.toLowerCase()]=function(){this.log(level,arguments)}});Logger.prototype._format=function(item){if(!item)return""+item;if(item instanceof Array)return JSON.stringify(item.map(this._format,this));if(item.subject&&item.predicate&&item.object)return rdf.toQuickString(item);return typeof item==="string"?item:JSON.stringify(item)};Logger.prototype._print=function(items){console.error.apply(console,items)};Logger.prototype._printCSV=function(items){console.error(items.map(function(item){return!/["\n\r,]/.test(item)?item:'"'+item.replace(/"/g,'""')+'"'}).join(","))};Logger.setLevel=function(level){var levelIndex=_.indexOf(LOG_LEVELS,level.toUpperCase());if(levelIndex>=0)while(++levelIndex<LOG_LEVELS.length)Logger.prototype[LOG_LEVELS[levelIndex].toLowerCase()]=_.noop};Logger.enabled=function(level){return level in Logger.prototype&&Logger.prototype[level]!==_.noop};Logger.setMode=function(modeName){if(modeName.toUpperCase()==="CSV")Logger.prototype._print=Logger.prototype._printCSV};module.exports=Logger},{"./RdfUtil":50,lodash:55}],50:[function(require,module,exports){var N3=require("n3"),_=require("lodash");var util=module.exports=N3.Util({});util.decodedURIEquals=function(URIa,URIb){if(URIa===URIb)return true;try{return decodeURI(URIa)===decodeURI(URIb)}catch(error){return false}};util.deskolemize=function(URI){return URI&&URI.replace(genidMatcher,function(URI,id){return"_:"+id.replace(/\W/g,"_")})};var genidMatcher=/^https?:\/\/[^\/]+\/\.well-known\/genid\/([^]+)$/;util.triple=function(subject,predicate,object){return{subject:subject,predicate:predicate,object:object}};util.toQuickString=function(triple){if(!triple)return"";if(typeof triple==="string"){if(util.isVariableOrBlank(triple))return triple;if(util.isLiteral(triple))return'"'+util.getLiteralValue(triple)+'"';var match=triple.match(/([a-zA-Z\(\)_\.,'0-9]+)[^a-zAZ]*?$/);return match?match[1]:triple}return util.toQuickString(triple.subject)+" "+util.toQuickString(triple.predicate)+" "+util.toQuickString(triple.object)+"."};util.isVariable=function(entity){return typeof entity!=="string"||entity[0]==="?"};util.hasVariables=function(pattern){return!!pattern&&(util.isVariable(pattern.subject)||util.isVariable(pattern.predicate)||util.isVariable(pattern.object))};util.getVariables=function(pattern){var variables=[];if(util.isVariable(pattern.subject))variables.push(pattern.subject);if(util.isVariable(pattern.predicate))variables.push(pattern.predicate);if(util.isVariable(pattern.object))variables.push(pattern.object);return variables};util.isVariableOrBlank=function(entity){return typeof entity!=="string"||entity[0]==="?"||entity[0]==="_"&&entity[1]===":"};util.hasVariablesOrBlanks=function(pattern){return!!pattern&&(util.isVariableOrBlank(pattern.subject)||util.isVariableOrBlank(pattern.predicate)||util.isVariableOrBlank(pattern.object))};util.tripleFilter=function(triplePattern){var pattern=triplePattern||{},subject=util.isVariableOrBlank(pattern.subject)?null:pattern.subject,predicate=util.isVariableOrBlank(pattern.predicate)?null:pattern.predicate,object=util.isVariableOrBlank(pattern.object)?null:pattern.object;return function(triple){return(subject===null||subject===triple.subject)&&(predicate===null||predicate===triple.predicate)&&(object===null||object===triple.object)}};util.applyBindings=function(bindings,pattern){if(typeof pattern.map==="function")return pattern.map(function(p){return util.applyBindings(bindings,p)});return{subject:bindings[pattern.subject]||pattern.subject,predicate:bindings[pattern.predicate]||pattern.predicate,object:bindings[pattern.object]||pattern.object}};util.findBindings=function(triplePattern,boundTriple){return util.extendBindings(null,triplePattern,boundTriple)};util.extendBindings=function(bindings,triplePattern,boundTriple){var newBindings=Object.create(null);for(var binding in bindings)newBindings[binding]=bindings[binding];util.addBinding(newBindings,triplePattern.subject,boundTriple.subject);util.addBinding(newBindings,triplePattern.predicate,boundTriple.predicate);util.addBinding(newBindings,triplePattern.object,boundTriple.object);return newBindings};util.addBinding=function(bindings,left,right){if(util.isVariableOrBlank(right))throw new Error("Right-hand side must not be variable.");if(util.isVariableOrBlank(left)){if(!(left in bindings))bindings[left]=right;else if(right!==bindings[left])throw new Error(["Cannot bind",left,"to",right,"because it was already bound to",bindings[left]+"."].join(" "))}else if(left!==right){throw new Error(["Cannot bind",left,"to",right].join(" "))}return bindings};util.isBoundPatternOf=function(child,parent){return(util.isVariable(parent.subject)||parent.subject===child.subject)&&(util.isVariable(parent.predicate)||parent.predicate===child.predicate)&&(util.isVariable(parent.object)||parent.object===child.object)};util.findConnectedPatterns=function(graphPattern){if(graphPattern.length<=1)return[graphPattern];var clusters=graphPattern.map(function(triple){return{triples:[triple],variables:_.values(triple).filter(util.isVariableOrBlank)}}),commonVar;do{var allVariables=_.flatten(_.pluck(clusters,"variables"));if(commonVar=_.find(allVariables,hasDuplicate)){var hasCommon=_.groupBy(clusters,function(c){return _.contains(c.variables,commonVar)});clusters=hasCommon[false]||[];clusters.push({triples:_.union.apply(_,_.pluck(hasCommon[true],"triples")),variables:_.union.apply(_,_.pluck(hasCommon[true],"variables"))})}}while(commonVar);return _.pluck(clusters,"triples")};function hasDuplicate(value,index,array){return index!==array.lastIndexOf(value)}namespace("rdf","http://www.w3.org/1999/02/22-rdf-syntax-ns#",["type","subject","predicate","object"]);namespace("void","http://rdfs.org/ns/void#",["triples"]);namespace("hydra","http://www.w3.org/ns/hydra/core#",["search","template","mapping","property","variable","totalItems"]);namespace("foaf","http://xmlns.com/foaf/0.1/");namespace("dbpedia","http://dbpedia.org/resource/");namespace("dbpedia-owl","http://dbpedia.org/ontology/");function namespace(prefix,base,names){var key=prefix.replace(/[^a-z]/g,"").toUpperCase();util[key]=base;names&&names.forEach(function(name){util[key+"_"+name.toUpperCase()]=base+name})}Object.freeze(util)},{lodash:55,n3:57}],51:[function(require,module,exports){var util=require("util"),N3Util=require("n3").Util,createErrorType=require("./CustomError");var XSD="http://www.w3.org/2001/XMLSchema#",XSD_INTEGER=XSD+"integer",XSD_DOUBLE=XSD+"double",XSD_BOOLEAN=XSD+"boolean",XSD_TRUE='"true"^^'+XSD_BOOLEAN,XSD_FALSE='"false"^^'+XSD_BOOLEAN;function SparqlExpressionEvaluator(expression){if(!expression)return noop;var expressionType=expression&&expression.type||typeof expression,evaluator=evaluators[expressionType];if(!evaluator)throw new UnsupportedExpressionError(expressionType);return evaluator(expression)}SparqlExpressionEvaluator.evaluate=function(expression,bindings){return SparqlExpressionEvaluator(expression)(bindings)};function noop(){}var evaluators={"null":function(){return noop},string:function(expression){if(expression[0]!=="?")return function(){return expression};else return function(bindings){return bindings&&bindings[expression]}},operation:function(expression){var operatorName=expression.operator,operator=operators[operatorName];if(!operator)throw new UnsupportedOperatorError(operatorName);if(operator.length!==expression.args.length)throw new InvalidArgumentsNumberError(operatorName,expression.args.length,operator.length);if(operator.acceptsExpressions){return function(operator,args){return function(bindings){return operator.apply(bindings,args)}}(operator,expression.args)}var argumentExpressions=new Array(expression.args.length);for(var i=0;i<expression.args.length;i++)argumentExpressions[i]=SparqlExpressionEvaluator(expression.args[i]);return function(operator,argumentExpressions){return function(bindings){var args=new Array(argumentExpressions.length),origArgs=new Array(argumentExpressions.length);for(var i=0;i<argumentExpressions.length;i++){var arg=args[i]=origArgs[i]=argumentExpressions[i](bindings);if(arg===undefined)return;switch(operator.type){case"numeric":args[i]=parseFloat(N3Util.getLiteralValue(arg));break;case"boolean":args[i]=arg!==XSD_FALSE&&(!N3Util.isLiteral(arg)||N3Util.getLiteralValue(arg)!=="0");break}}var result=operator.apply(null,args);switch(operator.resultType){case"numeric":var type=N3Util.getLiteralType(origArgs[0])||XSD_INTEGER;return'"'+result+'"^^'+type;case"boolean":return result?XSD_TRUE:XSD_FALSE;default:return result}}}(operator,argumentExpressions)}};var operators={"+":function(a,b){return a+b},"-":function(a,b){return a-b},"*":function(a,b){return a*b},"/":function(a,b){return a/b},"=":function(a,b){return a===b},"!=":function(a,b){return a!==b},"<":function(a,b){return a<b},"<=":function(a,b){return a<=b},">":function(a,b){return a>b},">=":function(a,b){return a>=b},"!":function(a){return!a},"&&":function(a,b){return a&&b},"||":function(a,b){return a||b},lang:function(a){return'"'+N3Util.getLiteralLanguage(a).toLowerCase()+'"'},langmatches:function(a,b){return a.toLowerCase()===b.toLowerCase()},regex:function(subject,pattern){if(N3Util.isLiteral(subject))subject=N3Util.getLiteralValue(subject);return new RegExp(N3Util.getLiteralValue(pattern)).test(subject)},str:function(a){return N3Util.isLiteral(a)?a:'"'+a+'"'},"http://www.w3.org/2001/XMLSchema#double":function(a){a=a.toFixed();if(a.indexOf(".")<0)a+=".0";return'"'+a+'"^^http://www.w3.org/2001/XMLSchema#double'},bound:function(a){if(a[0]!=="?")throw new Error("BOUND expects a variable but got: "+a);return a in this?XSD_TRUE:XSD_FALSE}};["+","-","*","/","<","<=",">",">=","http://www.w3.org/2001/XMLSchema#double"].forEach(function(operatorName){operators[operatorName].type="numeric"});["!","&&","||"].forEach(function(operatorName){operators[operatorName].type="boolean"});["+","-","*","/","<","<=",">",">="].forEach(function(operatorName){operators[operatorName].type=operators[operatorName].resultType="numeric"});["!","&&","||","=","<","<=",">",">=","langmatches","regex"].forEach(function(operatorName){operators[operatorName].resultType="boolean"});operators.bound.acceptsExpressions=true;var UnsupportedExpressionError=createErrorType("UnsupportedExpressionError",function(expressionType){this.message="Unsupported expression type: "+expressionType+"."});var UnsupportedOperatorError=createErrorType("UnsupportedExpressionError",function(operatorName){this.message="Unsupported operator: "+operatorName.toUpperCase()+"."});var InvalidArgumentsNumberError=createErrorType("InvalidArgumentsNumberError",function(operatorName,actualNumber,expectedNumber){this.message="Invalid number of arguments for "+operatorName.toUpperCase()+": "+actualNumber+" (expected: "+expectedNumber+")."});module.exports=SparqlExpressionEvaluator;module.exports.UnsupportedExpressionError=UnsupportedExpressionError;module.exports.UnsupportedOperatorError=UnsupportedOperatorError;module.exports.InvalidArgumentsNumberError=InvalidArgumentsNumberError},{"./CustomError":46,n3:57,util:27}],52:[function(require,module,exports){exports.createHash=function(){var contents;return{update:function(c){contents?contents+=c:contents=c},digest:function(){return sha1(contents)}}};function sha1(msg){var K=[1518500249,1859775393,2400959708,3395469782];msg+=String.fromCharCode(128);var l=msg.length/4+2;var N=Math.ceil(l/16);var M=new Array(N);for(var i=0;i<N;i++){M[i]=new Array(16);for(var 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exports=module.exports={Lexer:require("./lib/N3Lexer"),Parser:require("./lib/N3Parser"),Writer:require("./lib/N3Writer"),Store:require("./lib/N3Store"),StreamParser:require("./lib/N3StreamParser"),StreamWriter:require("./lib/N3StreamWriter"),Util:require("./lib/N3Util")};Object.keys(exports).forEach(function(submodule){Object.defineProperty(exports,submodule,{configurable:true,enumerable:true,get:function(){delete exports[submodule];return exports[submodule]=globalRequire("./lib/N3"+submodule)}})})},{"./lib/N3Lexer":58,"./lib/N3Parser":59,"./lib/N3Store":60,"./lib/N3StreamParser":61,"./lib/N3StreamWriter":62,"./lib/N3Util":63,"./lib/N3Writer":64}],58:[function(require,module,exports){var fromCharCode=String.fromCharCode;var immediately=typeof setImmediate==="function"?setImmediate:function setImmediate(func){setTimeout(func,0)};var escapeSequence=/\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{8})|\\[uU]|\\(.)/g;var escapeReplacements={"\\":"\\","'":"'",'"':'"',n:"\n",r:"\r",t:"	",f:"\f",b:"\b",_:"_","~":"~",".":".","-":"-","!":"!",$:"$","&":"&","(":"(",")":")","*":"*","+":"+",",":",",";":";","=":"=","/":"/","?":"?","#":"#","@":"@","%":"%"};var illegalIriChars=/[\x00-\x20<>\\"\{\}\|\^\`]/;function N3Lexer(options){if(!(this instanceof N3Lexer))return new N3Lexer(options);if(options&&options.lineMode){this._tripleQuotedString=this._number=this._boolean=/$0^/;var self=this;this._tokenize=this.tokenize;this.tokenize=function(input,callback){this._tokenize(input,function(error,token){if(!error&&/IRI|prefixed|literal|langcode|type|\.|eof/.test(token.type))callback&&callback(error,token);else callback&&callback(error||self._syntaxError(token.type,callback=null))})}}}N3Lexer.prototype={_iri:/^<((?:[^>\\]|\\[uU])+)>/,_unescapedIri:/^<([^\x00-\x20<>\\"\{\}\|\^\`]*)>/,_unescapedString:/^"[^"\\]+"(?=[^"\\])/,_singleQuotedString:/^"[^"\\]*(?:\\.[^"\\]*)*"(?=[^"\\])|^'[^'\\]*(?:\\.[^'\\]*)*'(?=[^'\\])/,_tripleQuotedString:/^""("[^"\\]*(?:(?:\\.|"(?!""))[^"\\]*)*")""|^''('[^'\\]*(?:(?:\\.|'(?!''))[^'\\]*)*')''/,_langcode:/^@([a-z]+(?:-[a-z0-9]+)*)(?=[^a-z0-9\-])/i,_prefix:/^((?:[A-Za-z\xc0-\xd6\xd8-\xf6\xf8-\u02ff\u0370-\u037d\u037f-\u1fff\u200c\u200d\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])(?:\.?[\-0-9A-Z_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u037f-\u1fff\u200c\u200d\u203f\u2040\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])*)?:(?=[#\s<])/,_prefixed:/^((?:[A-Za-z\xc0-\xd6\xd8-\xf6\xf8-\u02ff\u0370-\u037d\u037f-\u1fff\u200c\u200d\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])(?:\.?[\-0-9A-Z_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u037f-\u1fff\u200c\u200d\u203f\u2040\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])*)?:((?:(?:[0-:A-Z_a-z\xc0-\xd6\xd8-\xf6\xf8-\u02ff\u0370-\u037d\u037f-\u1fff\u200c\u200d\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff]|%[0-9a-fA-F]{2}|\\[!#-\/;=?\-@_~])(?:(?:[\.\-0-:A-Z_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u037f-\u1fff\u200c\u200d\u203f\u2040\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff]|%[0-9a-fA-F]{2}|\\[!#-\/;=?\-@_~])*(?:[\-0-:A-Z_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u037f-\u1fff\u200c\u200d\u203f\u2040\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff]|%[0-9a-fA-F]{2}|\\[!#-\/;=?\-@_~]))?)?)(?=\.?[,;\s#()\[\]\{\}"'<])/,_blank:/^_:((?:[0-9A-Z_a-z\xc0-\xd6\xd8-\xf6\xf8-\u02ff\u0370-\u037d\u037f-\u1fff\u200c\u200d\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])(?:\.?[\-0-9A-Z_a-z\xb7\xc0-\xd6\xd8-\xf6\xf8-\u037d\u037f-\u1fff\u200c\u200d\u203f\u2040\u2070-\u218f\u2c00-\u2fef\u3001-\ud7ff\uf900-\ufdcf\ufdf0-\ufffd]|[\ud800-\udb7f][\udc00-\udfff])*)(?=\.?[,;:\s#()\[\]\{\}"'<])/,_number:/^[\-+]?(?:\d+\.?\d*([eE](?:[\-\+])?\d+)|\d*\.?\d+)(?=[.,;:\s#()\[\]\{\}"'<])/,_boolean:/^(?:true|false)(?=[.,;:\s#()\[\]\{\}"'<])/,_keyword:/^@[a-z]+(?=[\s#<:])/,_sparqlKeyword:/^(?:PREFIX|BASE|GRAPH)(?=[\s#<:])/i,_shortPredicates:/^a(?=\s+|<)/,_newline:/^[ \t]*(?:#[^\n\r]*)?(?:\r\n|\n|\r)[ \t]*/,_whitespace:/^[ \t]+/,_endOfFile:/^(?:#[^\n\r]*)?$/,_tokenizeToEnd:function(callback,inputFinished){var input=this._input;while(true){var whiteSpaceMatch;while(whiteSpaceMatch=this._newline.exec(input))input=input.substr(whiteSpaceMatch[0].length,input.length),this._line++;if(whiteSpaceMatch=this._whitespace.exec(input))input=input.substr(whiteSpaceMatch[0].length,input.length);if(this._endOfFile.test(input)){if(inputFinished)callback(input=null,{line:this._line,type:"eof",value:"",prefix:""});return this._input=input}var line=this._line,type="",value="",prefix="",firstChar=input[0],match=null,matchLength=0,unescaped,inconclusive=false;switch(firstChar){case"^":if(input.length===1)break;else if(input[1]!=="^")return reportSyntaxError(this);this._prevTokenType="^";input=input.substr(2);if(input[0]!=="<"){inconclusive=true;break}case"<":if(match=this._unescapedIri.exec(input)){type="IRI";value=match[1]}else if(match=this._iri.exec(input)){unescaped=this._unescape(match[1]);if(unescaped===null||illegalIriChars.test(unescaped))return reportSyntaxError(this);type="IRI";value=unescaped}break;case"_":if((match=this._blank.exec(input))||inputFinished&&(match=this._blank.exec(input+" "))){type="prefixed";prefix="_";value=match[1]}break;case'"':case"'":if(match=this._unescapedString.exec(input)){type="literal";value=match[0]}else if(match=this._singleQuotedString.exec(input)){unescaped=this._unescape(match[0]);if(unescaped===null)return reportSyntaxError(this);type="literal";value=unescaped.replace(/^'|'$/g,'"')}else if(match=this._tripleQuotedString.exec(input)){unescaped=match[1]||match[2];this._line+=unescaped.split(/\r\n|\r|\n/).length-1;unescaped=this._unescape(unescaped);if(unescaped===null)return reportSyntaxError(this);type="literal";value=unescaped.replace(/^'|'$/g,'"')}break;case"@":if(this._prevTokenType==="literal"&&(match=this._langcode.exec(input))){type="langcode";value=match[1]}else if(match=this._keyword.exec(input)){type=match[0]}break;case".":if(input.length===1?inputFinished:input[1]<"0"||input[1]>"9"){type=".";matchLength=1;break}case"0":case"1":case"2":case"3":case"4":case"5":case"6":case"7":case"8":case"9":case"+":case"-":if(match=this._number.exec(input)){type="literal";value='"'+match[0]+'"^^http://www.w3.org/2001/XMLSchema#'+(match[1]?"double":/^[+\-]?\d+$/.test(match[0])?"integer":"decimal")}break;case"B":case"b":case"p":case"P":case"G":case"g":if(match=this._sparqlKeyword.exec(input))type=match[0].toUpperCase();else inconclusive=true;break;case"f":case"t":if(match=this._boolean.exec(input)){type="literal";value='"'+match[0]+'"^^http://www.w3.org/2001/XMLSchema#boolean'}else inconclusive=true;break;case"a":if(match=this._shortPredicates.exec(input)){type="abbreviation";value="http://www.w3.org/1999/02/22-rdf-syntax-ns#type"}else inconclusive=true;break;case",":case";":case"[":case"]":case"(":case")":case"{":case"}":matchLength=1;type=firstChar;break;default:inconclusive=true}if(inconclusive){if((this._prevTokenType==="@prefix"||this._prevTokenType==="PREFIX")&&(match=this._prefix.exec(input))){type="prefix";value=match[1]||""}else if((match=this._prefixed.exec(input))||inputFinished&&(match=this._prefixed.exec(input+" "))){type="prefixed";prefix=match[1]||"";value=this._unescape(match[2])}}if(this._prevTokenType==="^")type=type==="IRI"||type==="prefixed"?"type":"";if(!type){if(inputFinished||!/^'''|^"""/.test(input)&&/\n|\r/.test(input))return reportSyntaxError(this);else return this._input=input}callback(null,{line:line,type:type,value:value,prefix:prefix});this._prevTokenType=type;input=input.substr(matchLength||match[0].length,input.length)}function reportSyntaxError(self){callback(self._syntaxError(/^\S*/.exec(input)[0]))}},_unescape:function(item){try{return item.replace(escapeSequence,function(sequence,unicode4,unicode8,escapedChar){var charCode;if(unicode4){charCode=parseInt(unicode4,16);if(isNaN(charCode))throw new Error;return fromCharCode(charCode)}else if(unicode8){charCode=parseInt(unicode8,16);if(isNaN(charCode))throw new Error;if(charCode<=65535)return fromCharCode(charCode);return fromCharCode(55296+(charCode-=65536)/1024,56320+(charCode&1023))}else{var replacement=escapeReplacements[escapedChar];if(!replacement)throw new Error;return replacement}})}catch(error){return null}},_syntaxError:function(issue){this._input=null;return new Error('Syntax error: unexpected "'+issue+'" on line '+this._line+".")},tokenize:function(input,callback){var self=this;this._line=1;if(typeof input==="string"){this._input=input;immediately(function(){self._tokenizeToEnd(callback,true)})}else{this._input="";if(!input||typeof input==="function"){this.addChunk=addChunk;this.end=end;if(!callback)callback=input}else{if(typeof input.setEncoding==="function")input.setEncoding("utf8");input.on("data",addChunk);input.on("end",end)}}function addChunk(data){if(self._input!==null){self._input+=data;self._tokenizeToEnd(callback,false)}}function end(){if(self._input!==null){self._tokenizeToEnd(callback,true)}}}};module.exports=N3Lexer},{}],59:[function(require,module,exports){var N3Lexer=require("./N3Lexer");var RDF_PREFIX="http://www.w3.org/1999/02/22-rdf-syntax-ns#",RDF_NIL=RDF_PREFIX+"nil",RDF_FIRST=RDF_PREFIX+"first",RDF_REST=RDF_PREFIX+"rest";var absoluteIRI=/:/,documentPart=/[^\/]*$/,rootIRI=/^(?:[^:]+:\/*)?[^\/]*/;var blankNodePrefix=0,blankNodeCount=0;function N3Parser(options){if(!(this instanceof N3Parser))return new N3Parser(options);this._tripleStack=[];this._graph=null;options=options||{};if(!options.documentIRI){this._baseIRI=null;this._baseIRIPath=null}else{if(options.documentIRI.indexOf("#")>0)throw new Error("Invalid document IRI");this._baseIRI=options.documentIRI;this._baseIRIPath=this._baseIRI.replace(documentPart,"");this._baseIRIRoot=this._baseIRI.match(rootIRI)[0]}var format=typeof options.format==="string"&&options.format.match(/\w*$/)[0].toLowerCase(),isTurtle=format==="turtle",isTriG=format==="trig",isNTriples=/triple/.test(format),isNQuads=/quad/.test(format),isLineMode=isNTriples||isNQuads;if(!(this._supportsNamedGraphs=!isTurtle))this._readPredicateOrNamedGraph=this._readPredicate;this._supportsQuads=!(isTurtle||isTriG||isNTriples);if(isLineMode){this._baseIRI="";this._resolveIRI=function(token){this._error("Disallowed relative IRI",token);return this._callback=noop,this._subject=null}}this._blankNodePrefix=typeof options.blankNodePrefix!=="string"?"":"_:"+options.blankNodePrefix.replace(/^_:/,"");this._lexer=options.lexer||new N3Lexer({lineMode:isLineMode})}N3Parser._resetBlankNodeIds=function(){blankNodePrefix=blankNodeCount=0};N3Parser.prototype={_readInTopContext:function(token){switch(token.type){case"eof":if(this._graph!==null)return this._error("Unclosed graph",token);delete this._prefixes._;return this._callback(null,null,this._prefixes);case"@prefix":this._sparqlStyle=false;return this._readPrefix;case"PREFIX":this._sparqlStyle=true;return this._readPrefix;case"@base":this._sparqlStyle=false;return this._readBaseIRI;case"BASE":this._sparqlStyle=true;return this._readBaseIRI;case"{":if(this._supportsNamedGraphs){this._graph="";this._subject=null;return this._readSubject}case"GRAPH":if(this._supportsNamedGraphs){return this._readNamedGraphLabel}default:return this._readSubject(token)}},_readSubject:function(token){this._predicate=null;switch(token.type){case"IRI":if(this._baseIRI===null||absoluteIRI.test(token.value))this._subject=token.value;else this._subject=this._resolveIRI(token);break;case"prefixed":var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);this._subject=prefix+token.value;break;case"[":this._subject="_:b"+blankNodeCount++;this._tripleStack.push({subject:this._subject,predicate:null,object:null,type:"blank"});return this._readBlankNodeHead;case"(":this._tripleStack.push({subject:RDF_NIL,predicate:null,object:null,type:"list"});this._subject=null;return this._readListItem;case"}":return this._readPunctuation(token);default:return this._error("Expected subject but got "+token.type,token)}return this._readPredicateOrNamedGraph},_readPredicate:function(token){var type=token.type;switch(type){case"IRI":case"abbreviation":if(this._baseIRI===null||absoluteIRI.test(token.value))this._predicate=token.value;else this._predicate=this._resolveIRI(token);break;case"prefixed":if(token.prefix==="_"){return this._error("Disallowed blank node as predicate",token)}else{var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);this._predicate=prefix+token.value}break;case".":case"]":case"}":if(this._predicate===null)return this._error("Unexpected "+type,token);this._subject=null;return type==="]"?this._readBlankNodeTail(token):this._readPunctuation(token);case";":return this._readPredicate;default:return this._error('Expected predicate to follow "'+this._subject+'"',token)}return this._readObject},_readObject:function(token){switch(token.type){case"IRI":if(this._baseIRI===null||absoluteIRI.test(token.value))this._object=token.value;else this._object=this._resolveIRI(token);break;case"prefixed":var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);this._object=prefix+token.value;break;case"literal":this._object=token.value;return this._readDataTypeOrLang;case"[":var blank="_:b"+blankNodeCount++;this._tripleStack.push({subject:this._subject,predicate:this._predicate,object:blank,type:"blank"});this._subject=blank;return this._readBlankNodeHead;case"(":this._tripleStack.push({subject:this._subject,predicate:this._predicate,object:RDF_NIL,type:"list"});this._subject=null;return this._readListItem;default:return this._error('Expected object to follow "'+this._predicate+'"',token)}return this._getTripleEndReader()},_readPredicateOrNamedGraph:function(token){return token.type==="{"?this._readGraph(token):this._readPredicate(token)},_readGraph:function(token){if(token.type!=="{")return this._error("Expected graph but got "+token.type,token);this._graph=this._subject,this._subject=null;return this._readSubject},_readBlankNodeHead:function(token){if(token.type==="]"){this._subject=null;return this._readBlankNodeTail(token)}this._predicate=null;return this._readPredicate(token)},_readBlankNodeTail:function(token){if(token.type!=="]")return this._readBlankNodePunctuation(token);if(this._subject!==null)this._callback(null,{subject:this._subject,predicate:this._predicate,object:this._object,graph:this._graph||""});var triple=this._tripleStack.pop();this._subject=triple.subject;if(triple.object!==null){this._predicate=triple.predicate;this._object=triple.object;return this._getTripleEndReader()}return this._predicate!==null?this._readPredicate:this._readPredicateOrNamedGraph},_readDataTypeOrLang:function(token){switch(token.type){case"type":var value;if(token.prefix===""){if(this._baseIRI===null||absoluteIRI.test(token.value))value=token.value;else value=this._resolveIRI(token)}else{var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);value=prefix+token.value}this._object+="^^"+value;return this._getTripleEndReader();case"langcode":this._object+="@"+token.value.toLowerCase();return this._getTripleEndReader();default:return this._getTripleEndReader().call(this,token)}},_readListItem:function(token){var item=null,itemHead=null,prevItemHead=this._subject,stack=this._tripleStack,parentTriple=stack[stack.length-1],next=this._readListItem;switch(token.type){case"IRI":item=token.value;break;case"prefixed":var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);item=prefix+token.value;break;case"literal":item=token.value;next=this._readDataTypeOrLang;break;case"[":itemHead="_:b"+blankNodeCount++;item="_:b"+blankNodeCount++;stack.push({subject:itemHead,predicate:RDF_FIRST,object:item,type:"blank"});this._subject=item;next=this._readBlankNodeHead;break;case"(":itemHead="_:b"+blankNodeCount++;stack.push({subject:itemHead,predicate:RDF_FIRST,object:RDF_NIL,type:"list"});this._subject=null;next=this._readListItem;break;case")":stack.pop();if(stack.length!==0&&stack[stack.length-1].type==="list")this._callback(null,{subject:parentTriple.subject,predicate:parentTriple.predicate,object:parentTriple.object,graph:this._graph||""});this._subject=parentTriple.subject;if(parentTriple.predicate===null){next=this._readPredicate;if(parentTriple.subject===RDF_NIL)return next}else{this._predicate=parentTriple.predicate;this._object=parentTriple.object;next=this._getTripleEndReader();if(parentTriple.object===RDF_NIL)return next}itemHead=RDF_NIL;break;default:return this._error('Expected list item instead of "'+token.type+'"',token)}if(itemHead===null)this._subject=itemHead="_:b"+blankNodeCount++;if(prevItemHead===null){if(parentTriple.object===RDF_NIL)parentTriple.object=itemHead;else parentTriple.subject=itemHead}else{this._callback(null,{subject:prevItemHead,predicate:RDF_REST,object:itemHead,graph:this._graph||""})}if(item!==null)this._callback(null,{subject:itemHead,predicate:RDF_FIRST,object:item,graph:this._graph||""});return next},_readPunctuation:function(token){var next,subject=this._subject,graph=this._graph;switch(token.type){case"}":if(this._graph===null)return this._error("Unexpected graph closing",token);this._graph=null;case".":this._subject=null;

next=this._readInTopContext;break;case";":next=this._readPredicate;break;case",":next=this._readObject;break;case"IRI":if(this._supportsQuads&&this._graph===null){if(this._baseIRI===null||absoluteIRI.test(token.value))graph=token.value;else graph=this._resolveIRI(token);subject=this._subject;next=this._readQuadPunctuation;break}case"prefixed":if(this._supportsQuads&&this._graph===null){var prefix=this._prefixes[token.prefix];if(prefix===undefined)return this._error('Undefined prefix "'+token.prefix+':"',token);graph=prefix+token.value;next=this._readQuadPunctuation;break}default:return this._error('Expected punctuation to follow "'+this._object+'"',token)}if(subject!==null)this._callback(null,{subject:subject,predicate:this._predicate,object:this._object,graph:graph||""});return next},_readBlankNodePunctuation:function(token){var next;switch(token.type){case";":next=this._readPredicate;break;case",":next=this._readObject;break;default:return this._error('Expected punctuation to follow "'+this._object+'"',token)}this._callback(null,{subject:this._subject,predicate:this._predicate,object:this._object,graph:this._graph||""});return next},_readQuadPunctuation:function(token){if(token.type!==".")return this._error("Expected dot to follow quad",token);return this._readInTopContext},_readPrefix:function(token){if(token.type!=="prefix")return this._error("Expected prefix to follow @prefix",token);this._prefix=token.value;return this._readPrefixIRI},_readPrefixIRI:function(token){if(token.type!=="IRI")return this._error('Expected IRI to follow prefix "'+this._prefix+':"',token);var prefixIRI;if(this._baseIRI===null||absoluteIRI.test(token.value))prefixIRI=token.value;else prefixIRI=this._resolveIRI(token);this._prefixes[this._prefix]=prefixIRI;this._prefixCallback(this._prefix,prefixIRI);return this._readDeclarationPunctuation},_readBaseIRI:function(token){if(token.type!=="IRI")return this._error("Expected IRI to follow base declaration",token);if(token.value.indexOf("#")>0)return this._error("Invalid base IRI",token);if(this._baseIRI===null||absoluteIRI.test(token.value))this._baseIRI=token.value;else this._baseIRI=this._resolveIRI(token);this._baseIRIPath=this._baseIRI.replace(documentPart,"");this._baseIRIRoot=this._baseIRI.match(rootIRI)[0];return this._readDeclarationPunctuation},_readNamedGraphLabel:function(token){switch(token.type){case"IRI":case"prefixed":return this._readSubject(token),this._readGraph;case"[":return this._readNamedGraphBlankLabel;default:return this._error("Invalid graph label",token)}},_readNamedGraphBlankLabel:function(token){if(token.type!=="]")return this._error("Invalid graph label",token);this._subject="_:b"+blankNodeCount++;return this._readGraph},_readDeclarationPunctuation:function(token){if(this._sparqlStyle)return this._readInTopContext(token);if(token.type!==".")return this._error("Expected declaration to end with a dot",token);return this._readInTopContext},_getTripleEndReader:function(){var stack=this._tripleStack;if(stack.length===0)return this._readPunctuation;switch(stack[stack.length-1].type){case"blank":return this._readBlankNodeTail;case"list":return this._readListItem}},_error:function(message,token){this._callback(new Error(message+" at line "+token.line+"."))},_resolveIRI:function(token){var iri=token.value;switch(iri[0]){case undefined:return this._baseIRI;case"#":return this._baseIRI+iri;case"?":return this._baseIRI.replace(/(?:\?.*)?$/,iri);case"/":return this._baseIRIRoot+iri;default:return this._baseIRIPath+iri}},parse:function(input,tripleCallback,prefixCallback){this._readCallback=this._readInTopContext;this._prefixes=Object.create(null);this._prefixes._=this._blankNodePrefix||"_:b"+blankNodePrefix++ +"_";if(typeof input==="function")prefixCallback=tripleCallback,tripleCallback=input,input=null;this._callback=tripleCallback||noop;this._prefixCallback=prefixCallback||noop;var self=this;this._lexer.tokenize(input,function(error,token){if(error!==null)self._callback(error),self._callback=noop;else if(self._readCallback!==undefined)self._readCallback=self._readCallback(token)});if(!input){this.addChunk=this._lexer.addChunk;this.end=this._lexer.end}}};function noop(){}module.exports=N3Parser},{"./N3Lexer":58}],60:[function(require,module,exports){var expandPrefixedName=require("./N3Util").expandPrefixedName;function N3Store(triples,options){if(!(this instanceof N3Store))return new N3Store(triples,options);this._size=0;this._graphs=Object.create(null);this._entities=Object.create(null);this._entities["><"]=0;this._entityCount=0;this._blankNodeIndex=0;if(!options&&triples&&!triples[0])options=triples,triples=null;this._prefixes=Object.create(null);if(options&&options.prefixes)this.addPrefixes(options.prefixes);if(triples)this.addTriples(triples)}N3Store.prototype={get size(){var size=this._size;if(size!==null)return size;var graphs=this._graphs,subjects,subject;for(var graphKey in graphs)for(var subjectKey in subjects=graphs[graphKey].subjects)for(var predicateKey in subject=subjects[subjectKey])size+=Object.keys(subject[predicateKey]).length;return this._size=size},_addToIndex:function(index0,key0,key1,key2){var index1=index0[key0]||(index0[key0]={});var index2=index1[key1]||(index1[key1]={});index2[key2]=null},_removeFromIndex:function(index0,key0,key1,key2){var index1=index0[key0],index2=index1[key1],key;delete index2[key2];for(key in index2)return;delete index1[key1];for(key in index1)return;delete index0[key0]},_findInIndex:function(index0,key0,key1,key2,name0,name1,name2,graph){var results=[],entityKeys=Object.keys(this._entities),tmp,index1,index2;if(key0)(tmp=index0,index0={})[key0]=tmp[key0];for(var value0 in index0){var entity0=entityKeys[value0];if(index1=index0[value0]){if(key1)(tmp=index1,index1={})[key1]=tmp[key1];for(var value1 in index1){var entity1=entityKeys[value1];if(index2=index1[value1]){var values=key2?key2 in index2?[key2]:[]:Object.keys(index2);for(var l=values.length-1;l>=0;l--){var result={subject:"",predicate:"",object:"",graph:graph};result[name0]=entity0;result[name1]=entity1;result[name2]=entityKeys[values[l]];results.push(result)}}}}}return results},_countInIndex:function(index0,key0,key1,key2){var count=0,tmp,index1,index2;if(key0)(tmp=index0,index0={})[key0]=tmp[key0];for(var value0 in index0){if(index1=index0[value0]){if(key1)(tmp=index1,index1={})[key1]=tmp[key1];for(var value1 in index1){if(index2=index1[value1]){if(key2)key2 in index2&&count++;else count+=Object.keys(index2).length}}}}return count},addTriple:function(subject,predicate,object,graph){if(!predicate)graph=subject.graph,object=subject.object,predicate=subject.predicate,subject=subject.subject;graph=graph||"";var graphItem=this._graphs[graph];if(!graphItem){graphItem=this._graphs[graph]={subjects:{},predicates:{},objects:{}};Object.freeze(graphItem)}var entities=this._entities;subject=entities[subject]||(entities[subject]=++this._entityCount);predicate=entities[predicate]||(entities[predicate]=++this._entityCount);object=entities[object]||(entities[object]=++this._entityCount);this._addToIndex(graphItem.subjects,subject,predicate,object);this._addToIndex(graphItem.predicates,predicate,object,subject);this._addToIndex(graphItem.objects,object,subject,predicate);this._size=null},addTriples:function(triples){for(var i=triples.length-1;i>=0;i--)this.addTriple(triples[i])},addPrefix:function(prefix,iri){this._prefixes[prefix]=iri},addPrefixes:function(prefixes){for(var prefix in prefixes)this.addPrefix(prefix,prefixes[prefix])},removeTriple:function(subject,predicate,object,graph){if(!predicate)graph=subject.graph,object=subject.object,predicate=subject.predicate,subject=subject.subject;graph=graph||"";var graphItem,entities=this._entities,graphs=this._graphs;if(!(subject=entities[subject]))return;if(!(predicate=entities[predicate]))return;if(!(object=entities[object]))return;if(!(graphItem=graphs[graph]))return;var subjects,predicates;if(!(subjects=graphItem.subjects[subject]))return;if(!(predicates=subjects[predicate]))return;if(!(object in predicates))return;this._removeFromIndex(graphItem.subjects,subject,predicate,object);this._removeFromIndex(graphItem.predicates,predicate,object,subject);this._removeFromIndex(graphItem.objects,object,subject,predicate);if(this._size!==null)this._size--;for(subject in graphItem.subjects)return;delete graphs[graph]},removeTriples:function(triples){for(var i=triples.length-1;i>=0;i--)this.removeTriple(triples[i])},find:function(subject,predicate,object,graph){var prefixes=this._prefixes;return this.findByIRI(expandPrefixedName(subject,prefixes),expandPrefixedName(predicate,prefixes),expandPrefixedName(object,prefixes),expandPrefixedName(graph,prefixes))},findByIRI:function(subject,predicate,object,graph){graph=graph||"";var graphItem=this._graphs[graph],entities=this._entities;if(!graphItem)return[];if(subject&&!(subject=entities[subject]))return[];if(predicate&&!(predicate=entities[predicate]))return[];if(object&&!(object=entities[object]))return[];if(subject){if(object)return this._findInIndex(graphItem.objects,object,subject,predicate,"object","subject","predicate",graph);else return this._findInIndex(graphItem.subjects,subject,predicate,null,"subject","predicate","object",graph)}else if(predicate)return this._findInIndex(graphItem.predicates,predicate,object,null,"predicate","object","subject",graph);else if(object)return this._findInIndex(graphItem.objects,object,null,null,"object","subject","predicate",graph);else return this._findInIndex(graphItem.subjects,null,null,null,"subject","predicate","object",graph)},count:function(subject,predicate,object,graph){var prefixes=this._prefixes;return this.countByIRI(expandPrefixedName(subject,prefixes),expandPrefixedName(predicate,prefixes),expandPrefixedName(object,prefixes),expandPrefixedName(graph,prefixes))},countByIRI:function(subject,predicate,object,graph){graph=graph||"";var graphItem=this._graphs[graph],entities=this._entities;if(!graphItem)return 0;if(subject&&!(subject=entities[subject]))return 0;if(predicate&&!(predicate=entities[predicate]))return 0;if(object&&!(object=entities[object]))return 0;if(subject){if(object)return this._countInIndex(graphItem.objects,object,subject,predicate);else return this._countInIndex(graphItem.subjects,subject,predicate,object)}else if(predicate){return this._countInIndex(graphItem.predicates,predicate,object,subject)}else{return this._countInIndex(graphItem.objects,object,subject,predicate)}},createBlankNode:function(suggestedName){var name;if(suggestedName){name=suggestedName="_:"+suggestedName;var index=1;while(this._entities[name])name=suggestedName+index++}else{do{name="_:b"+this._blankNodeIndex++}while(this._entities[name])}this._entities[name]=this._entityCount++;return name}};module.exports=N3Store},{"./N3Util":63}],61:[function(require,module,exports){var Transform=require("stream").Transform,util=require("util"),N3Parser=require("./N3Parser.js");function N3StreamParser(options){if(!(this instanceof N3StreamParser))return new N3StreamParser(options);Transform.call(this,{decodeStrings:true});this._readableState.objectMode=true;var self=this,parser=new N3Parser(options);parser.parse(function(error,triple){triple&&self.push(triple)||error&&self.emit("error",error)},this.emit.bind(this,"prefix"));this._transform=function(chunk,encoding,done){parser.addChunk(chunk);done()};this._flush=function(done){parser.end();done()}}util.inherits(N3StreamParser,Transform);module.exports=N3StreamParser},{"./N3Parser.js":59,stream:24,util:27}],62:[function(require,module,exports){var Transform=require("stream").Transform,util=require("util"),N3Writer=require("./N3Writer.js");function N3StreamWriter(options){if(!(this instanceof N3StreamWriter))return new N3StreamWriter(options);Transform.call(this,{encoding:"utf8"});this._writableState.objectMode=true;var self=this;var writer=new N3Writer({write:function(chunk,encoding,callback){self.push(chunk);callback&&callback()},end:function(callback){self.push(null);callback&&callback()}},options);this._transform=function(triple,encoding,done){writer.addTriple(triple,done)};this._flush=function(done){writer.end(done)}}util.inherits(N3StreamWriter,Transform);module.exports=N3StreamWriter},{"./N3Writer.js":64,stream:24,util:27}],63:[function(require,module,exports){var Xsd="http://www.w3.org/2001/XMLSchema#";var XsdString=Xsd+"string";var XsdInteger=Xsd+"integer";var XsdDecimal=Xsd+"decimal";var XsdBoolean=Xsd+"boolean";var RdfLangString="http://www.w3.org/1999/02/22-rdf-syntax-ns#langString";var N3Util={isIRI:function(entity){if(!entity)return entity;var firstChar=entity[0];return firstChar!=='"'&&firstChar!=="_"},isLiteral:function(entity){return entity&&entity[0]==='"'},isBlank:function(entity){return entity&&entity.substr(0,2)==="_:"},getLiteralValue:function(literal){var match=/^"([^]*)"/.exec(literal);if(!match)throw new Error(literal+" is not a literal");return match[1]},getLiteralType:function(literal){var match=/^"[^]*"(?:\^\^([^"]+)|(@)[^@"]+)?$/.exec(literal);if(!match)throw new Error(literal+" is not a literal");return match[1]||(match[2]?RdfLangString:XsdString)},getLiteralLanguage:function(literal){var match=/^"[^]*"(?:@([^@"]+)|\^\^[^"]+)?$/.exec(literal);if(!match)throw new Error(literal+" is not a literal");return match[1]?match[1].toLowerCase():""},isPrefixedName:function(entity){return entity&&/^[^:\/"']*:[^:\/"']+$/.test(entity)},expandPrefixedName:function(prefixedName,prefixes){var match=/(?:^|"\^\^)([^:\/#"'\^_]*):[^\/]*$/.exec(prefixedName),prefix,base,index;if(match)prefix=match[1],base=prefixes[prefix],index=match.index;if(base===undefined)return prefixedName;return index===0?base+prefixedName.substr(prefix.length+1):prefixedName.substr(0,index+3)+base+prefixedName.substr(index+prefix.length+4)},createIRI:function(iri){return iri&&iri[0]==='"'?N3Util.getLiteralValue(iri):iri},createLiteral:function(value,modifier){if(!modifier){switch(typeof value){case"boolean":modifier=XsdBoolean;break;case"number":if(isFinite(value)){modifier=value%1===0?XsdInteger:XsdDecimal;break}default:return'"'+value+'"'}}return'"'+value+(/^[a-z]+(-[a-z0-9]+)*$/i.test(modifier)?'"@'+modifier.toLowerCase():'"^^'+modifier)}};function AddN3Util(parent,toPrototype){for(var name in N3Util)if(!toPrototype)parent[name]=N3Util[name];else parent.prototype[name]=ApplyToThis(N3Util[name]);return parent}function ApplyToThis(f){return function(a){return f(this,a)}}module.exports=AddN3Util(AddN3Util)},{}],64:[function(require,module,exports){var N3LiteralMatcher=/^"([^]*)"(?:\^\^(.+)|@([\-a-z]+))?$/i;var RDF_PREFIX="http://www.w3.org/1999/02/22-rdf-syntax-ns#",RDF_TYPE=RDF_PREFIX+"type";var escape=/["\\\t\n\r\b\f\u0000-\u0019\ud800-\udbff]/,escapeAll=/["\\\t\n\r\b\f\u0000-\u0019]|[\ud800-\udbff][\udc00-\udfff]/g,escapeReplacements={"\\":"\\\\",'"':'\\"',"	":"\\t","\n":"\\n","\r":"\\r","\b":"\\b","\f":"\\f"};function N3Writer(outputStream,options){if(!(this instanceof N3Writer))return new N3Writer(outputStream,options);if(outputStream&&typeof outputStream.write!=="function")options=outputStream,outputStream=null;options=options||{};if(!outputStream){var output="";this._outputStream={write:function(chunk,encoding,done){output+=chunk;done&&done()},end:function(done){done&&done(null,output)}};this._endStream=true}else{this._outputStream=outputStream;this._endStream=options.end===undefined?true:!!options.end}this._subject=null;if(!/triple|quad/i.test(options.format)){this._graph="";this._prefixIRIs=Object.create(null);options.prefixes&&this.addPrefixes(options.prefixes)}else{this._writeTriple=this._writeTripleLine}}N3Writer.prototype={_write:function(string,callback){this._outputStream.write(string,"utf8",callback)},_writeTriple:function(subject,predicate,object,graph,done){try{if(this._graph!==graph){this._write((this._subject===null?"":this._graph?"\n}\n":".\n")+(graph?this._encodeIriOrBlankNode(graph)+" {\n":""));this._graph=graph,this._subject=null}if(this._subject===subject){if(this._predicate===predicate)this._write(", "+this._encodeObject(object),done);else this._write(";\n    "+this._encodePredicate(this._predicate=predicate)+" "+this._encodeObject(object),done)}else this._write((this._subject===null?"":".\n")+this._encodeSubject(this._subject=subject)+" "+this._encodePredicate(this._predicate=predicate)+" "+this._encodeObject(object),done)}catch(error){done&&done(error)}},_writeTripleLine:function(subject,predicate,object,graph,done){delete this._prefixMatch;try{this._write(this._encodeIriOrBlankNode(subject)+" "+this._encodeIriOrBlankNode(predicate)+" "+this._encodeObject(object)+(graph?" "+this._encodeIriOrBlankNode(graph)+".\n":".\n"),done)}catch(error){done&&done(error)}},_encodeIriOrBlankNode:function(iri){if(iri[0]==="_"&&iri[1]===":")return iri;if(escape.test(iri))iri=iri.replace(escapeAll,characterReplacer);var prefixMatch=this._prefixRegex.exec(iri);return!prefixMatch?"<"+iri+">":!prefixMatch[1]?iri:this._prefixIRIs[prefixMatch[1]]+prefixMatch[2]},_encodeLiteral:function(value,type,language){if(escape.test(value))value=value.replace(escapeAll,characterReplacer);if(language)return'"'+value+'"@'+language;else if(type)return'"'+value+'"^^'+this._encodeIriOrBlankNode(type);else return'"'+value+'"'},_encodeSubject:function(subject){if(subject[0]==='"')throw new Error("A literal as subject is not allowed: "+subject);return this._encodeIriOrBlankNode(subject)},_encodePredicate:function(predicate){if(predicate[0]==='"')throw new Error("A literal as predicate is not allowed: "+predicate);return predicate===RDF_TYPE?"a":this._encodeIriOrBlankNode(predicate)},_encodeObject:function(object){if(object[0]!=='"')return this._encodeIriOrBlankNode(object);var match=N3LiteralMatcher.exec(object);if(!match)throw new Error("Invalid literal: "+object);return this._encodeLiteral(match[1],match[2],match[3])},_blockedWrite:function(){throw new Error("Cannot write because the writer has been closed.")},addTriple:function(subject,predicate,object,graph,done){if(typeof object!=="string")this._writeTriple(subject.subject,subject.predicate,subject.object,subject.graph||"",predicate);else if(typeof graph!=="string")this._writeTriple(subject,predicate,object,"",graph);else this._writeTriple(subject,predicate,object,graph,done)},addTriples:function(triples){for(var i=0;i<triples.length;i++)this.addTriple(triples[i])},addPrefix:function(prefix,iri,done){var prefixes={};prefixes[prefix]=iri;this.addPrefixes(prefixes,done)},addPrefixes:function(prefixes,done){var prefixIRIs=this._prefixIRIs,hasPrefixes=false;for(var prefix in prefixes){var iri=prefixes[prefix];if(/[#\/]$/.test(iri)&&prefixIRIs[iri]!==(prefix+=":")){hasPrefixes=true;prefixIRIs[iri]=prefix;if(this._subject!==null){this._write(this._graph?"\n}\n":".\n");this._subject=null,this._graph=""}this._write("@prefix "+prefix+" <"+iri+">.\n")}}if(hasPrefixes){var IRIlist="",prefixList="";for(var prefixIRI in prefixIRIs){IRIlist+=IRIlist?"|"+prefixIRI:prefixIRI;prefixList+=(prefixList?"|":"")+prefixIRIs[prefixIRI]}IRIlist=IRIlist.replace(/[\]\/\(\)\*\+\?\.\\\$]/g,"\\$&");this._prefixRegex=new RegExp("^(?:"+prefixList+")[^/]*$|"+"^("+IRIlist+")([a-zA-Z][\\-_a-zA-Z0-9]*)$")}this._write(hasPrefixes?"\n":"",done)},_prefixRegex:/$0^/,end:function(done){if(this._subject!==null){this._write(this._graph?"\n}\n":".\n");this._subject=null}this._write=this._blockedWrite;var singleDone=done&&function(error,result){singleDone=null,done(error,result)};if(this._endStream){try{return this._outputStream.end(singleDone)}catch(error){}}singleDone&&singleDone()}};function characterReplacer(character){var result=escapeReplacements[character];if(result===undefined){if(character.length===1){result=character.charCodeAt(0).toString(16);result="\\u0000".substr(0,6-result.length)+result}else{result=((character.charCodeAt(0)-55296)*1024+character.charCodeAt(1)+9216).toString(16);result="\\U00000000".substr(0,10-result.length)+result}}return result}module.exports=N3Writer},{}],65:[function(require,module,exports){(function(process){(function(global,undefined){"use strict";if(global.setImmediate){return}var nextHandle=1;var tasksByHandle={};var currentlyRunningATask=false;var doc=global.document;var setImmediate;function addFromSetImmediateArguments(args){tasksByHandle[nextHandle]=partiallyApplied.apply(undefined,args);return nextHandle++}function partiallyApplied(handler){var args=[].slice.call(arguments,1);return function(){if(typeof handler==="function"){handler.apply(undefined,args)}else{new Function(""+handler)()}}}function runIfPresent(handle){if(currentlyRunningATask){setTimeout(partiallyApplied(runIfPresent,handle),0)}else{var task=tasksByHandle[handle];if(task){currentlyRunningATask=true;try{task()}finally{clearImmediate(handle);currentlyRunningATask=false}}}}function clearImmediate(handle){delete tasksByHandle[handle]}function installNextTickImplementation(){setImmediate=function(){var handle=addFromSetImmediateArguments(arguments);process.nextTick(partiallyApplied(runIfPresent,handle));return handle}}function canUsePostMessage(){if(global.postMessage&&!global.importScripts){var postMessageIsAsynchronous=true;var oldOnMessage=global.onmessage;global.onmessage=function(){postMessageIsAsynchronous=false};global.postMessage("","*");global.onmessage=oldOnMessage;return postMessageIsAsynchronous}}function installPostMessageImplementation(){var messagePrefix="setImmediate$"+Math.random()+"$";var onGlobalMessage=function(event){if(event.source===global&&typeof event.data==="string"&&event.data.indexOf(messagePrefix)===0){runIfPresent(+event.data.slice(messagePrefix.length))}};if(global.addEventListener){global.addEventListener("message",onGlobalMessage,false)}else{global.attachEvent("onmessage",onGlobalMessage)}setImmediate=function(){var handle=addFromSetImmediateArguments(arguments);global.postMessage(messagePrefix+handle,"*");return handle}}function installMessageChannelImplementation(){var channel=new MessageChannel;channel.port1.onmessage=function(event){var handle=event.data;runIfPresent(handle)};setImmediate=function(){var handle=addFromSetImmediateArguments(arguments);channel.port2.postMessage(handle);return handle}}function installReadyStateChangeImplementation(){var html=doc.documentElement;setImmediate=function(){var handle=addFromSetImmediateArguments(arguments);var script=doc.createElement("script");script.onreadystatechange=function(){runIfPresent(handle);script.onreadystatechange=null;html.removeChild(script);script=null};html.appendChild(script);return handle}}function installSetTimeoutImplementation(){setImmediate=function(){var handle=addFromSetImmediateArguments(arguments);setTimeout(partiallyApplied(runIfPresent,handle),0);return handle}}var attachTo=Object.getPrototypeOf&&Object.getPrototypeOf(global);attachTo=attachTo&&attachTo.setTimeout?attachTo:global;if({}.toString.call(global.process)==="[object process]"){installNextTickImplementation()}else if(canUsePostMessage()){installPostMessageImplementation()}else if(global.MessageChannel){installMessageChannelImplementation()}else if(doc&&"onreadystatechange"in doc.createElement("script")){installReadyStateChangeImplementation()}else{installSetTimeoutImplementation()}attachTo.setImmediate=setImmediate;attachTo.clearImmediate=clearImmediate})(new Function("return this")())}).call(this,require("_process"))},{_process:12}],66:[function(require,module,exports){var XSD_INTEGER="http://www.w3.org/2001/XMLSchema#integer";module.exports=function SparqlGenerator(){return{stringify:toQuery}};function toQuery(q){var query="";for(var key in q.prefixes)query+="PREFIX "+key+": <"+q.prefixes[key]+">\n";if(q.queryType)query+=q.queryType.toUpperCase()+" ";if(q.reduced)query+="REDUCED ";if(q.distinct)query+="DISTINCT ";if(q.variables)query+=mapJoin(q.variables,function(variable){return isString(variable)?toEntity(variable):"("+toExpression(variable.expression)+" AS "+variable.variable+")"})+" ";else if(q.template)query+=patterns.group(q.template,true)+"\n";if(q.from)query+=mapJoin(q.from.default||[],function(g){return"FROM "+toEntity(g)+"\n"},"")+mapJoin(q.from.named||[],function(g){return"FROM NAMED "+toEntity(g)+"\n"},"");if(q.where)query+="WHERE "+patterns.group(q.where,true)+"\n";if(q.updates)query+=mapJoin(q.updates,toUpdate,";\n");else if(q.values)query+=patterns.values(q);if(q.group)query+="GROUP BY "+mapJoin(q.group,function(it){return isString(it.expression)?it.expression:"("+toExpression(it.expression)+")"})+"\n";if(q.having)query+="HAVING ("+mapJoin(q.having,toExpression)+")\n";if(q.order)query+="ORDER BY "+mapJoin(q.order,function(it){var expr=toExpression(it.expression);return!it.descending?expr:"DESC("+expr+")"})+"\n";if(q.offset)query+="OFFSET "+q.offset+"\n";if(q.limit)query+="LIMIT "+q.limit+"\n";return query.trim()}function toPattern(pattern){var type=pattern.type||pattern instanceof Array&&"array"||(pattern.subject&&pattern.predicate&&pattern.object?"triple":"");if(!(type in patterns))throw new Error("Unknown entry type: "+type);return patterns[type](pattern)}var patterns={triple:function(t){return toEntity(t.subject)+" "+toEntity(t.predicate)+" "+toEntity(t.object)+"."},array:function(items){return mapJoin(items,toPattern,"\n")},bgp:function(bgp){return mapJoin(bgp.triples,patterns.triple,"\n")},graph:function(graph){return"GRAPH "+toEntity(graph.name)+" "+patterns.group(graph)},group:function(group,inline){group=inline!==true?patterns.array(group.patterns||group.triples):toPattern(group.type!=="group"?group:group.patterns);return group.indexOf("\n")===-1?"{ "+group+" }":"{\n"+indent(group)+"\n}"},query:function(query){return"{\n"+indent(toQuery(query))+"\n}"},filter:function(filter){return"FILTER("+toExpression(filter.expression)+")"},bind:function(bind){return"BIND("+toExpression(bind.expression)+" AS "+bind.variable+")"},optional:function(optional){return"OPTIONAL "+patterns.group(optional)},union:function(union){return mapJoin(union.patterns,function(p){return patterns.group(p,true)},"\nUNION\n")},minus:function(minus){return"MINUS "+patterns.group(minus)},values:function(valuesList){var keys=Object.keys(valuesList.values.reduce(function(keyHash,values){for(var key in values)keyHash[key]=true;return keyHash},{}));return"VALUES ("+keys.join(" ")+") {\n"+mapJoin(valuesList.values,function(values){return"  ("+mapJoin(keys,function(key){return values[key]!==undefined?toEntity(values[key]):"UNDEF"})+")"},"\n")+"\n}"},service:function(service){return"SERVICE "+(service.silent?"SILENT ":"")+toEntity(service.name)+" "+patterns.group(service)}};function toExpression(expr){if(isString(expr))return toEntity(expr);switch(expr.type.toLowerCase()){case"aggregate":return expr.aggregation.toUpperCase()+"("+(expr.distinct?"DISTINCT ":"")+toExpression(expr.expression)+(expr.separator?"; SEPARATOR = "+toEntity('"'+expr.separator+'"'):"")+")";case"functioncall":return toEntity(expr.function)+"("+mapJoin(expr.args,toExpression,", ")+")";case"operation":var operator=expr.operator.toUpperCase(),args=expr.args||[],arg=args[0];switch(expr.operator.toLowerCase()){case"<":case">":case">=":case"<=":case"&&":case"||":case"=":case"!=":case"+":case"-":case"*":case"/":return mapJoin(args,function(arg){return isString(arg)?toEntity(arg):"("+toExpression(arg)+")"}," "+operator+" ");case"!":return"!"+toExpression(arg);case"notin":operator="NOT IN";case"in":return toExpression(arg)+" "+operator+"("+(isString(arg=args[1])?arg:mapJoin(arg,toExpression,", "))+")";case"notexists":operator="NOT EXISTS";case"exists":return operator+" "+patterns.group(arg,true);default:return operator+"("+mapJoin(args,toExpression,", ")+")"}default:throw new Error("Unknown expression type: "+expr.type)}}function toEntity(value){if(isString(value)){switch(value[0]){case"?":case"$":case"*":case"_":return value;case'"':var match=value.match(/^"(.*)"(?:(@.+)|\^\^(.+))?$/)||{},lexical=match[1]||"",language=match[2]||"",datatype=match[3];value='"'+lexical.replace(escape,escapeReplacer)+'"'+language;if(datatype){if(datatype===XSD_INTEGER&&/^\d+$/.test(lexical))return lexical;value+="^^<"+datatype+">"}return value;default:return"<"+value+">"}}else{var items=value.items.map(toEntity),path=value.pathType;switch(path){case"^":case"!":return path+items[0];case"*":case"+":case"?":return items[0]+path;default:return"("+items.join(path)+")"}}}var escape=/["\\\t\n\r\b\f]/g,escapeReplacer=function(c){return escapeReplacements[c]},escapeReplacements={"\\":"\\\\",'"':'\\"',"	":"\\t","\n":"\\n","\r":"\\r","\b":"\\b","\f":"\\f"};function toUpdate(update){switch(update.type||update.updateType){case"load":return"LOAD"+(update.source?" "+toEntity(update.source):"")+(update.destination?" INTO GRAPH "+toEntity(update.destination):"");case"insert":return"INSERT DATA "+patterns.group(update.insert,true);case"delete":return"DELETE DATA "+patterns.group(update.delete,true);case"deletewhere":return"DELETE WHERE "+patterns.group(update.delete,true);case"insertdelete":return(update.graph?"WITH "+toEntity(update.graph)+"\n":"")+(update.delete.length?"DELETE "+patterns.group(update.delete,true)+"\n":"")+(update.insert.length?"INSERT "+patterns.group(update.insert,true)+"\n":"")+"WHERE "+patterns.group(update.where,true);case"add":case"copy":case"move":return update.type.toUpperCase()+(update.source.default?" DEFAULT ":" ")+"TO "+toEntity(update.destination.name);default:throw new Error("Unknown update query type: "+update.type)}}function isString(object){return typeof object==="string"}function mapJoin(array,func,sep){return array.map(func).join(isString(sep)?sep:" ")}function indent(text){return text.replace(/^/gm,"  ")}},{}],67:[function(require,module,exports){(function(process){var parser=function(){var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[11,14,23,33,42,47,95,105,108,110,111,120,121,126,288,289,290,291,292],$V1=[95,105,108,110,111,120,121,126,288,289,290,291,292],$V2=[1,21],$V3=[1,25],$V4=[6,82],$V5=[37,38,50],$V6=[37,50],$V7=[1,55],$V8=[1,57],$V9=[1,53],$Va=[1,56],$Vb=[27,28,283],$Vc=[12,15,277],$Vd=[107,129,286,293],$Ve=[12,15,107,129,277],$Vf=[1,76],$Vg=[1,80],$Vh=[1,82],$Vi=[107,129,286,287,293],$Vj=[12,15,107,129,277,287],$Vk=[1,89],$Vl=[2,229],$Vm=[1,88],$Vn=[12,15,27,28,79,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$Vo=[6,37,38,50,60,67,70,78,80,82],$Vp=[6,12,15,27,37,38,50,60,67,70,78,80,82,277],$Vq=[6,12,15,27,28,30,31,37,38,40,50,60,67,70,78,79,80,82,89,104,107,120,121,123,128,155,156,158,161,162,163,181,192,203,208,210,211,213,214,222,237,242,259,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,294,297,298,300,301,302,303,304,305,306,307,308,309],$Vr=[1,104],$Vs=[1,105],$Vt=[6,12,15,27,28,38,40,79,82,107,155,156,158,161,162,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294],$Vu=[27,31],$Vv=[2,284],$Vw=[1,118],$Vx=[1,116],$Vy=[6,192],$Vz=[2,301],$VA=[2,289],$VB=[37,123],$VC=[6,40,67,70,78,80,82],$VD=[2,231],$VE=[1,132],$VF=[1,134],$VG=[1,144],$VH=[1,150],$VI=[1,153],$VJ=[1,149],$VK=[1,151],$VL=[1,147],$VM=[1,148],$VN=[1,154],$VO=[1,155],$VP=[1,158],$VQ=[1,159],$VR=[1,160],$VS=[1,161],$VT=[1,162],$VU=[1,163],$VV=[1,164],$VW=[1,165],$VX=[1,166],$VY=[1,167],$VZ=[1,168],$V_=[1,169],$V$=[6,60,67,70,78,80,82],$V01=[27,28,37,38,50],$V11=[12,15,27,28,79,203,237,239,240,241,243,245,246,248,249,252,254,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,301,309,310,311,312,313,314],$V21=[2,374],$V31=[12,15,40,79,89,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$V41=[6,104,192],$V51=[40,107],$V61=[6,40,70,78,80,82],$V71=[2,313],$V81=[2,305],$V91=[12,15,27,181,277],$Va1=[2,341],$Vb1=[2,337],$Vc1=[12,15,27,28,31,38,40,79,82,107,155,156,158,161,162,163,181,192,203,208,210,211,213,214,242,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294],$Vd1=[12,15,27,28,30,31,38,40,79,82,89,107,155,156,158,161,162,163,181,192,203,208,210,211,213,214,222,237,242,259,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,294,298,301,302,303,304,305,306,307,308,309],$Ve1=[12,15,27,28,30,31,38,40,79,82,89,107,155,156,158,161,162,163,181,192,203,208,210,211,213,214,222,237,242,259,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,294,298,301,302,303,304,305,306,307,308,309],$Vf1=[1,227],$Vg1=[1,238],$Vh1=[6,40,78,80,82],$Vi1=[1,249],$Vj1=[1,251],$Vk1=[1,252],$Vl1=[1,253],$Vm1=[1,254],$Vn1=[1,256],$Vo1=[1,257],$Vp1=[2,405],$Vq1=[1,260],$Vr1=[1,261],$Vs1=[1,262],$Vt1=[1,268],$Vu1=[1,263],$Vv1=[1,264],$Vw1=[1,265],$Vx1=[1,266],$Vy1=[1,267],$Vz1=[1,274],$VA1=[1,273],$VB1=[38,40,82,107,155,156,158,161,162],$VC1=[1,282],$VD1=[1,283],$VE1=[40,107,294],$VF1=[12,15,27,28,31,79,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$VG1=[12,15,27,28,31,38,40,79,82,107,155,156,158,161,162,163,192,210,211,213,214,242,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294],$VH1=[12,15,27,28,79,239,240,241,243,245,246,248,249,252,254,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,309,310,311,312,313,314],$VI1=[2,398],$VJ1=[1,301],$VK1=[1,302],$VL1=[1,303],$VM1=[12,15,31,40,79,89,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$VN1=[28,40],$VO1=[2,304],$VP1=[6,40,82],$VQ1=[6,12,15,28,40,70,78,80,82,239,240,241,243,245,246,248,249,252,254,277,309,310,311,312,313,314],$VR1=[6,12,15,27,28,38,40,70,73,75,78,79,80,82,107,155,156,158,161,162,163,210,213,214,239,240,241,243,245,246,248,249,252,254,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294,309,310,311,312,313,314],$VS1=[6,12,15,27,28,30,31,38,40,67,70,73,75,78,79,80,82,107,155,156,158,161,162,163,192,210,213,214,222,237,239,240,241,242,243,245,246,248,249,252,254,259,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,294,298,301,302,303,304,305,306,307,308,309,310,311,312,313,314],$VT1=[1,326],$VU1=[1,325],$VV1=[1,332],$VW1=[1,331],$VX1=[28,163],$VY1=[6,12,15,27,28,40,67,70,78,80,82,239,240,241,243,245,246,248,249,252,254,277,309,310,311,312,313,314],$VZ1=[6,12,15,27,28,30,31,38,40,60,67,70,73,75,78,79,80,82,107,155,156,158,161,162,163,192,210,213,214,222,237,239,240,241,242,243,245,246,248,249,252,254,259,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,294,295,298,301,302,303,304,305,306,307,308,309,310,311,312,313,314],$V_1=[12,15,28,181,203,208,277],$V$1=[2,355],$V02=[1,354],$V12=[38,40,82,107,155,156,158,161,162,294],$V22=[2,343],$V32=[12,15,27,28,31,38,40,79,82,107,155,156,158,161,162,163,181,192,210,211,213,214,242,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294],$V42=[30,31,192,242,302,303],$V52=[30,31,192,222,237,242,259,271,272,273,274,275,276,301,302,303,304,305,306,307,308,309],$V62=[30,31,192,222,237,242,259,271,272,273,274,275,276,283,298,301,302,303,304,305,306,307,308,309],$V72=[1,387],$V82=[1,402],$V92=[1,399],$Va2=[1,400],$Vb2=[12,15,27,28,79,203,237,239,240,241,243,245,246,248,249,252,254,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,301,309,310,311,312,313,314],$Vc2=[12,15,27,28,38,40,79,82,107,155,156,158,161,162,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$Vd2=[12,15,27,277],$Ve2=[12,15,27,28,38,40,79,82,107,155,156,158,161,162,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,294],$Vf2=[2,316],$Vg2=[12,15,27,181,192,277],$Vh2=[1,453],$Vi2=[1,454],$Vj2=[12,15,31,79,89,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$Vk2=[6,12,15,27,28,40,73,75,78,80,82,239,240,241,243,245,246,248,249,252,254,277,309,310,311,312,313,314],$Vl2=[2,311],$Vm2=[12,15,28,181,203,277],$Vn2=[38,40,82,107,155,156,158,161,162,192,211,294],$Vo2=[12,15,27,28,40,79,107,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277],$Vp2=[12,15,27,28,31,79,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,297,298],$Vq2=[12,15,27,28,31,79,163,210,213,214,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,283,297,298,300,301],$Vr2=[1,545],$Vs2=[1,546],$Vt2=[2,299],$Vu2=[12,15,31,181,208,277];

var parser={trace:function trace(){},yy:{},symbols_:{error:2,QueryOrUpdateUnit:3,QueryOrUpdateUnit_repetition0:4,QueryOrUpdateUnit_group0:5,EOF:6,Query:7,Query_group0:8,Query_option0:9,BaseDecl:10,BASE:11,IRIREF:12,PrefixDecl:13,PREFIX:14,PNAME_NS:15,SelectQuery:16,SelectClause:17,SelectQuery_repetition0:18,WhereClause:19,SolutionModifier:20,SubSelect:21,SubSelect_option0:22,SELECT:23,SelectClause_option0:24,SelectClause_group0:25,SelectClauseItem:26,VAR:27,"(":28,Expression:29,AS:30,")":31,ConstructQuery:32,CONSTRUCT:33,ConstructTemplate:34,ConstructQuery_repetition0:35,ConstructQuery_repetition1:36,WHERE:37,"{":38,ConstructQuery_option0:39,"}":40,DescribeQuery:41,DESCRIBE:42,DescribeQuery_group0:43,DescribeQuery_repetition0:44,DescribeQuery_option0:45,AskQuery:46,ASK:47,AskQuery_repetition0:48,DatasetClause:49,FROM:50,DatasetClause_option0:51,iri:52,WhereClause_option0:53,GroupGraphPattern:54,SolutionModifier_option0:55,SolutionModifier_option1:56,SolutionModifier_option2:57,SolutionModifier_option3:58,GroupClause:59,GROUP:60,BY:61,GroupClause_repetition_plus0:62,GroupCondition:63,BuiltInCall:64,FunctionCall:65,HavingClause:66,HAVING:67,HavingClause_repetition_plus0:68,OrderClause:69,ORDER:70,OrderClause_repetition_plus0:71,OrderCondition:72,ASC:73,BrackettedExpression:74,DESC:75,Constraint:76,LimitOffsetClauses:77,LIMIT:78,INTEGER:79,OFFSET:80,ValuesClause:81,VALUES:82,InlineData:83,InlineData_repetition0:84,InlineData_repetition1:85,InlineData_repetition2:86,DataBlockValue:87,Literal:88,UNDEF:89,DataBlockValueList:90,DataBlockValueList_repetition0:91,Update:92,Update_repetition0:93,Update1:94,LOAD:95,Update1_option0:96,Update1_option1:97,Update1_group0:98,Update1_option2:99,GraphRefAll:100,Update1_group1:101,Update1_option3:102,GraphOrDefault:103,TO:104,CREATE:105,Update1_option4:106,GRAPH:107,INSERTDATA:108,QuadPattern:109,DELETEDATA:110,DELETEWHERE:111,Update1_option5:112,InsertClause:113,Update1_option6:114,Update1_repetition0:115,Update1_option7:116,DeleteClause:117,Update1_option8:118,Update1_repetition1:119,DELETE:120,INSERT:121,UsingClause:122,USING:123,UsingClause_option0:124,WithClause:125,WITH:126,IntoGraphClause:127,INTO:128,DEFAULT:129,GraphOrDefault_option0:130,GraphRefAll_group0:131,QuadPattern_option0:132,QuadPattern_repetition0:133,QuadsNotTriples:134,QuadsNotTriples_group0:135,QuadsNotTriples_option0:136,QuadsNotTriples_option1:137,QuadsNotTriples_option2:138,TriplesTemplate:139,TriplesTemplate_repetition0:140,TriplesSameSubject:141,TriplesTemplate_option0:142,GroupGraphPatternSub:143,GroupGraphPatternSub_option0:144,GroupGraphPatternSub_repetition0:145,GroupGraphPatternSubTail:146,GraphPatternNotTriples:147,GroupGraphPatternSubTail_option0:148,GroupGraphPatternSubTail_option1:149,TriplesBlock:150,TriplesBlock_repetition0:151,TriplesSameSubjectPath:152,TriplesBlock_option0:153,GraphPatternNotTriples_repetition0:154,OPTIONAL:155,MINUS:156,GraphPatternNotTriples_group0:157,SERVICE:158,GraphPatternNotTriples_option0:159,GraphPatternNotTriples_group1:160,FILTER:161,BIND:162,NIL:163,FunctionCall_option0:164,FunctionCall_repetition0:165,ExpressionList:166,ExpressionList_repetition0:167,ConstructTemplate_option0:168,ConstructTriples:169,ConstructTriples_repetition0:170,ConstructTriples_option0:171,VarOrTerm:172,PropertyListNotEmpty:173,TriplesNode:174,PropertyList:175,PropertyList_option0:176,PropertyListNotEmpty_repetition0:177,VerbObjectList:178,Verb:179,ObjectList:180,a:181,ObjectList_repetition0:182,GraphNode:183,PropertyListPathNotEmpty:184,TriplesNodePath:185,TriplesSameSubjectPath_option0:186,PropertyListPathNotEmpty_group0:187,PropertyListPathNotEmpty_repetition0:188,GraphNodePath:189,PropertyListPathNotEmpty_repetition1:190,PropertyListPathNotEmptyTail:191,";":192,PropertyListPathNotEmptyTail_group0:193,Path:194,Path_repetition0:195,PathSequence:196,PathSequence_repetition0:197,PathEltOrInverse:198,PathElt:199,PathPrimary:200,PathElt_option0:201,PathEltOrInverse_option0:202,"!":203,PathNegatedPropertySet:204,PathOneInPropertySet:205,PathNegatedPropertySet_repetition0:206,PathNegatedPropertySet_option0:207,"^":208,TriplesNode_repetition_plus0:209,"[":210,"]":211,TriplesNodePath_repetition_plus0:212,BLANK_NODE_LABEL:213,ANON:214,Expression_repetition0:215,ConditionalAndExpression:216,ConditionalAndExpression_repetition0:217,RelationalExpression:218,AdditiveExpression:219,RelationalExpression_group0:220,RelationalExpression_option0:221,IN:222,MultiplicativeExpression:223,AdditiveExpression_repetition0:224,AdditiveExpressionTail:225,AdditiveExpressionTail_group0:226,NumericLiteralPositive:227,AdditiveExpressionTail_repetition0:228,NumericLiteralNegative:229,AdditiveExpressionTail_repetition1:230,UnaryExpression:231,MultiplicativeExpression_repetition0:232,MultiplicativeExpressionTail:233,MultiplicativeExpressionTail_group0:234,UnaryExpression_option0:235,PrimaryExpression:236,"-":237,Aggregate:238,FUNC_ARITY0:239,FUNC_ARITY1:240,FUNC_ARITY2:241,",":242,IF:243,BuiltInCall_group0:244,BOUND:245,BNODE:246,BuiltInCall_o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99:this.$=$$[$0-1].length?path("/",appendTo($$[$0-1],$$[$0])):$$[$0];break;case 100:this.$=$$[$0]?path($$[$0],[$$[$0-1]]):$$[$0-1];break;case 101:this.$=$$[$0-1]?path($$[$0-1],[$$[$0]]):$$[$0];break;case 104:case 111:this.$=path($$[$0-1],[$$[$0]]);break;case 108:this.$=path("|",appendTo($$[$0-2],$$[$0-1]));break;case 112:this.$=path($$[$0-1],[RDF_TYPE]);break;case 113:case 115:this.$=createList($$[$0-1]);break;case 114:case 116:this.$=createAnonymousObject($$[$0-1]);break;case 117:this.$={entity:$$[$0],triples:[]};break;case 119:this.$={entity:$$[$0],triples:[]};break;case 125:this.$=blank();break;case 126:this.$=RDF_NIL;break;case 127:this.$=$$[$0-1].length?operation("||",appendTo($$[$0-1],$$[$0])):$$[$0];break;case 128:this.$=$$[$0-1].length?operation("&&",appendTo($$[$0-1],$$[$0])):$$[$0];break;case 130:this.$=operation($$[$0-1],[$$[$0-2],$$[$0]]);break;case 131:this.$=operation($$[$0-2]?"notin":"in",[$$[$0-3],$$[$0]]);break;case 132:case 136:this.$=createOperationTree($$[$0-1],$$[$0]);break;case 133:case 137:this.$=[$$[$0-1],$$[$0]];break;case 134:this.$=["+",createOperationTree($$[$0-1],$$[$0])];break;case 135:this.$=["-",createOperationTree($$[$0-1].replace("-",""),$$[$0])];break;case 139:this.$=operation($$[$0-1],[$$[$0]]);break;case 140:this.$=operation("UMINUS",[$$[$0]]);break;case 149:this.$=operation(lowercase($$[$0-1]));break;case 150:this.$=operation(lowercase($$[$0-3]),[$$[$0-1]]);break;case 151:this.$=operation(lowercase($$[$0-5]),[$$[$0-3],$$[$0-1]]);break;case 152:this.$=operation(lowercase($$[$0-7]),[$$[$0-5],$$[$0-3],$$[$0-1]]);break;case 153:this.$=operation(lowercase($$[$0-1]),$$[$0]);break;case 154:this.$=operation("bound",[toVar($$[$0-1])]);break;case 155:this.$=operation($$[$0-1],[]);break;case 156:this.$=operation($$[$0-3],[$$[$0-1]]);break;case 157:this.$=operation($$[$0-2]?"notexists":"exists",[degroupSingle($$[$0])]);break;case 158:case 159:this.$=expression($$[$0-1],{type:"aggregate",aggregation:lowercase($$[$0-4]),distinct:!!$$[$0-2]});break;case 160:this.$=expression($$[$0-2],{type:"aggregate",aggregation:lowercase($$[$0-5]),distinct:!!$$[$0-3],separator:$$[$0-1]||" "});break;case 161:this.$=$$[$0].substr(1,$$[$0].length-2);break;case 163:this.$=$$[$0-1]+lowercase($$[$0]);break;case 164:this.$=$$[$0-2]+"^^"+$$[$0];break;case 165:case 179:this.$=createLiteral($$[$0],XSD_INTEGER);break;case 166:case 180:this.$=createLiteral($$[$0],XSD_DECIMAL);break;case 167:case 181:this.$=createLiteral(lowercase($$[$0]),XSD_DOUBLE);break;case 170:this.$=XSD_TRUE;break;case 171:this.$=XSD_FALSE;break;case 172:case 173:this.$=unescapeString($$[$0],1);break;case 174:case 175:this.$=unescapeString($$[$0],3);break;case 176:this.$=createLiteral($$[$0].substr(1),XSD_INTEGER);break;case 177:this.$=createLiteral($$[$0].substr(1),XSD_DECIMAL);break;case 178:this.$=createLiteral($$[$0].substr(1).toLowerCase(),XSD_DOUBLE);break;case 182:this.$=resolveIRI($$[$0]);break;case 183:var namePos=$$[$0].indexOf(":"),prefix=$$[$0].substr(0,namePos),expansion=Parser.prefixes[prefix];if(!expansion)throw new Error("Unknown prefix: "+prefix);this.$=resolveIRI(expansion+$$[$0].substr(namePos+1));break;case 184:$$[$0]=$$[$0].substr(0,$$[$0].length-1);if(!($$[$0]in Parser.prefixes))throw new Error("Unknown prefix: "+$$[$0]);this.$=resolveIRI(Parser.prefixes[$$[$0]]);break;case 188:case 198:case 206:case 210:case 212:case 218:case 222:case 226:case 240:case 242:case 244:case 246:case 248:case 250:case 252:case 275:case 281:case 292:case 308:case 340:case 352:case 371:case 373:case 387:case 391:case 393:case 395:$$[$0-1].push($$[$0]);break;case 205:case 217:case 239:case 241:case 243:case 339:case 370:case 372:this.$=[$$[$0]];break;case 254:case 302:case 314:case 318:case 328:case 330:case 334:case 342:case 344:case 350:case 356:case 358:case 367:case 375:case 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parseError(str,hash){if(hash.recoverable){this.trace(str)}else{throw new Error(str)}},parse:function parse(input){var self=this,stack=[0],tstack=[],vstack=[null],lstack=[],table=this.table,yytext="",yylineno=0,yyleng=0,recovering=0,TERROR=2,EOF=1;var args=lstack.slice.call(arguments,1);var lexer=Object.create(this.lexer);var sharedState={yy:{}};for(var k in this.yy){if(Object.prototype.hasOwnProperty.call(this.yy,k)){sharedState.yy[k]=this.yy[k]}}lexer.setInput(input,sharedState.yy);sharedState.yy.lexer=lexer;sharedState.yy.parser=this;if(typeof lexer.yylloc=="undefined"){lexer.yylloc={}}var yyloc=lexer.yylloc;lstack.push(yyloc);var ranges=lexer.options&&lexer.options.ranges;if(typeof sharedState.yy.parseError==="function"){this.parseError=sharedState.yy.parseError}else{this.parseError=Object.getPrototypeOf(this).parseError}function popStack(n){stack.length=stack.length-2*n;vstack.length=vstack.length-n;lstack.length=lstack.length-n}_token_stack:function lex(){var token;token=lexer.lex()||EOF;if(typeof token!=="number"){token=self.symbols_[token]||token}return token}var symbol,preErrorSymbol,state,action,a,r,yyval={},p,len,newState,expected;while(true){state=stack[stack.length-1];if(this.defaultActions[state]){action=this.defaultActions[state]}else{if(symbol===null||typeof symbol=="undefined"){symbol=lex()}action=table[state]&&table[state][symbol]}if(typeof action==="undefined"||!action.length||!action[0]){var errStr="";expected=[];for(p in table[state]){if(this.terminals_[p]&&p>TERROR){expected.push("'"+this.terminals_[p]+"'")}}if(lexer.showPosition){errStr="Parse error on line "+(yylineno+1)+":\n"+lexer.showPosition()+"\nExpecting "+expected.join(", ")+", got '"+(this.terminals_[symbol]||symbol)+"'"}else{errStr="Parse error on line "+(yylineno+1)+": Unexpected "+(symbol==EOF?"end of input":"'"+(this.terminals_[symbol]||symbol)+"'")}this.parseError(errStr,{text:lexer.match,token:this.terminals_[symbol]||symbol,line:lexer.yylineno,loc:yyloc,expected:expected})}if(action[0]instanceof Array&&action.length>1){throw new Error("Parse Error: multiple actions possible at state: "+state+", token: "+symbol)}switch(action[0]){case 1:stack.push(symbol);vstack.push(lexer.yytext);lstack.push(lexer.yylloc);stack.push(action[1]);symbol=null;if(!preErrorSymbol){yyleng=lexer.yyleng;yytext=lexer.yytext;yylineno=lexer.yylineno;yyloc=lexer.yylloc;if(recovering>0){recovering--}}else{symbol=preErrorSymbol;preErrorSymbol=null}break;case 2:len=this.productions_[action[1]][1];yyval.$=vstack[vstack.length-len];yyval._$={first_line:lstack[lstack.length-(len||1)].first_line,last_line:lstack[lstack.length-1].last_line,first_column:lstack[lstack.length-(len||1)].first_column,last_column:lstack[lstack.length-1].last_column};if(ranges){yyval._$.range=[lstack[lstack.length-(len||1)].range[0],lstack[lstack.length-1].range[1]]}r=this.performAction.apply(yyval,[yytext,yyleng,yylineno,sharedState.yy,action[1],vstack,lstack].concat(args));if(typeof r!=="undefined"){return r}if(len){stack=stack.slice(0,-1*len*2);vstack=vstack.slice(0,-1*len);lstack=lstack.slice(0,-1*len)}stack.push(this.productions_[action[1]][0]);vstack.push(yyval.$);lstack.push(yyval._$);newState=table[stack[stack.length-2]][stack[stack.length-1]];stack.push(newState);break;case 3:return true}}return true}};var RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#",RDF_TYPE=RDF+"type",RDF_FIRST=RDF+"first",RDF_REST=RDF+"rest",RDF_NIL=RDF+"nil",XSD="http://www.w3.org/2001/XMLSchema#",XSD_INTEGER=XSD+"integer",XSD_DECIMAL=XSD+"decimal",XSD_DOUBLE=XSD+"double",XSD_BOOLEAN=XSD+"boolean",XSD_TRUE='"true"^^'+XSD_BOOLEAN,XSD_FALSE='"false"^^'+XSD_BOOLEAN;var base="",basePath="",baseRoot="";function lowercase(string){return string.toLowerCase()}function appendTo(array,item){return array.push(item),array}function appendAllTo(array,items){return array.push.apply(array,items),array}function extend(base){if(!base)base={};for(var i=1,l=arguments.length,arg;i<l&&(arg=arguments[i]||{});i++)for(var name in arg)base[name]=arg[name];return base}function unionAll(){var union=[];for(var i=0,l=arguments.length;i<l;i++)union=union.concat.apply(union,arguments[i]);return union}function resolveIRI(iri){if(iri[0]==="<")iri=iri.substring(1,iri.length-1);switch(iri[0]){case undefined:return base;case"#":return base+iri;case"?":return base.replace(/(?:\?.*)?$/,iri);case"/":return baseRoot+iri;default:return/^[a-z]+:/.test(iri)?iri:basePath+iri}}function toVar(variable){if(variable){var first=variable[0];if(first==="?")return variable;if(first==="$")return"?"+variable.substr(1)}return variable}function operation(operatorName,args){return{type:"operation",operator:operatorName,args:args||[]}}function expression(expr,attr){var expression={expression:expr};if(attr)for(var a in attr)expression[a]=attr[a];return expression}function path(type,items){return{type:"path",pathType:type,items:items}}function createOperationTree(initialExpression,operationList){for(var i=0,l=operationList.length,item;i<l&&(item=operationList[i]);i++)initialExpression=operation(item[0],[initialExpression,item[1]]);return initialExpression}function groupDatasets(fromClauses){var defaults=[],named=[],l=fromClauses.length,fromClause;for(var i=0;i<l&&(fromClause=fromClauses[i]);i++)(fromClause.named?named:defaults).push(fromClause.iri);return l?{from:{"default":defaults,named:named}}:null}function toInt(string){return parseInt(string,10)}function degroupSingle(group){return group.type==="group"&&group.patterns.length===1?group.patterns[0]:group}function createLiteral(value,type){return'"'+value+'"^^'+type}function triple(subject,predicate,object){var triple={};if(subject!=null)triple.subject=subject;if(predicate!=null)triple.predicate=predicate;if(object!=null)triple.object=object;return triple}function blank(){return"_:b"+blankId++}var blankId=0;Parser._resetBlanks=function(){blankId=0};var escapeSequence=/\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{8})|\\(.)/g,escapeReplacements={"\\":"\\","'":"'",'"':'"',t:"	",b:"\b",n:"\n",r:"\r",f:"\f"},fromCharCode=String.fromCharCode;function unescapeString(string,trimLength){string=string.substring(trimLength,string.length-trimLength);try{string=string.replace(escapeSequence,function(sequence,unicode4,unicode8,escapedChar){var charCode;if(unicode4){charCode=parseInt(unicode4,16);if(isNaN(charCode))throw new Error;return fromCharCode(charCode)}else if(unicode8){charCode=parseInt(unicode8,16);if(isNaN(charCode))throw new Error;if(charCode<65535)return fromCharCode(charCode);return fromCharCode(55296+((charCode-=65536)>>10),56320+(charCode&1023))}else{var replacement=escapeReplacements[escapedChar];if(!replacement)throw new Error;return replacement}})}catch(error){return""}return'"'+string+'"'}function createList(objects){var list=blank(),head=list,listItems=[],listTriples,triples=[];objects.forEach(function(o){listItems.push(o.entity);appendAllTo(triples,o.triples)});for(var i=0,j=0,l=listItems.length,listTriples=Array(l*2);i<l;)listTriples[j++]=triple(head,RDF_FIRST,listItems[i]),listTriples[j++]=triple(head,RDF_REST,head=++i<l?blank():RDF_NIL);return{entity:list,triples:appendAllTo(listTriples,triples)}}function createAnonymousObject(propertyList){var entity=blank();return{entity:entity,triples:propertyList.map(function(t){return extend(triple(entity),t)})}}function objectListToTriples(predicate,objectList,otherTriples){var objects=[],triples=[];objectList.forEach(function(l){objects.push(triple(null,predicate,l.entity));appendAllTo(triples,l.triples)});return unionAll(objects,otherTriples||[],triples)}var lexer=function(){var lexer={EOF:1,parseError:function parseError(str,hash){if(this.yy.parser){this.yy.parser.parseError(str,hash)}else{throw new Error(str)}},setInput:function(input,yy){this.yy=yy||this.yy||{};this._input=input;this._more=this._backtrack=this.done=false;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0};if(this.options.ranges){this.yylloc.range=[0,0]}this.offset=0;return this},input:function(){var ch=this._input[0];this.yytext+=ch;this.yyleng++;this.offset++;this.match+=ch;this.matched+=ch;var lines=ch.match(/(?:\r\n?|\n).*/g);if(lines){this.yylineno++;this.yylloc.last_line++}else{this.yylloc.last_column++}if(this.options.ranges){this.yylloc.range[1]++}this._input=this._input.slice(1);return ch},unput:function(ch){var len=ch.length;var lines=ch.split(/(?:\r\n?|\n)/g);this._input=ch+this._input;this.yytext=this.yytext.substr(0,this.yytext.length-len);this.offset-=len;var oldLines=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1);this.matched=this.matched.substr(0,this.matched.length-1);if(lines.length-1){this.yylineno-=lines.length-1}var r=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:lines?(lines.length===oldLines.length?this.yylloc.first_column:0)+oldLines[oldLines.length-lines.length].length-lines[0].length:this.yylloc.first_column-len};if(this.options.ranges){this.yylloc.range=[r[0],r[0]+this.yyleng-len]}this.yyleng=this.yytext.length;return this},more:function(){this._more=true;return this},reject:function(){if(this.options.backtrack_lexer){this._backtrack=true}else{return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})}return this},less:function(n){this.unput(this.match.slice(n))},pastInput:function(){var past=this.matched.substr(0,this.matched.length-this.match.length);return(past.length>20?"...":"")+past.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var next=this.match;if(next.length<20){next+=this._input.substr(0,20-next.length)}return(next.substr(0,20)+(next.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var pre=this.pastInput();var c=new Array(pre.length+1).join("-");return pre+this.upcomingInput()+"\n"+c+"^"},test_match:function(match,indexed_rule){var token,lines,backup;if(this.options.backtrack_lexer){backup={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done};if(this.options.ranges){backup.yylloc.range=this.yylloc.range.slice(0)}}lines=match[0].match(/(?:\r\n?|\n).*/g);if(lines){this.yylineno+=lines.length}this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:lines?lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+match[0].length};this.yytext+=match[0];this.match+=match[0];this.matches=match;this.yyleng=this.yytext.length;if(this.options.ranges){this.yylloc.range=[this.offset,this.offset+=this.yyleng]}this._more=false;this._backtrack=false;this._input=this._input.slice(match[0].length);this.matched+=match[0];token=this.performAction.call(this,this.yy,this,indexed_rule,this.conditionStack[this.conditionStack.length-1]);if(this.done&&this._input){this.done=false}if(token){return token}else if(this._backtrack){for(var k in backup){this[k]=backup[k]}return false}return false},next:function(){if(this.done){return this.EOF}if(!this._input){this.done=true}var token,match,tempMatch,index;if(!this._more){this.yytext="";this.match=""}var rules=this._currentRules();for(var i=0;i<rules.length;i++){tempMatch=this._input.match(this.rules[rules[i]]);if(tempMatch&&(!match||tempMatch[0].length>match[0].length)){match=tempMatch;index=i;if(this.options.backtrack_lexer){token=this.test_match(tempMatch,rules[i]);if(token!==false){return token}else if(this._backtrack){match=false;continue}else{return false}}else if(!this.options.flex){break}}}if(match){token=this.test_match(match,rules[index]);if(token!==false){return token}return false}if(this._input===""){return this.EOF}else{return this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})}},lex:function lex(){var r=this.next();if(r){return r}else{return this.lex()}},begin:function begin(condition){this.conditionStack.push(condition)},popState:function popState(){var n=this.conditionStack.length-1;if(n>0){return this.conditionStack.pop()}else{return this.conditionStack[0]}},_currentRules:function _currentRules(){if(this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]){return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules}else{return this.conditions["INITIAL"].rules}},topState:function topState(n){n=this.conditionStack.length-1-Math.abs(n||0);if(n>=0){return this.conditionStack[n]}else{return"INITIAL"}},pushState:function pushState(condition){this.begin(condition)},stateStackSize:function stateStackSize(){return this.conditionStack.length},options:{flex:true,"case-insensitive":true},performAction:function anonymous(yy,yy_,$avoiding_name_collisions,YY_START){var YYSTATE=YY_START;switch($avoiding_name_collisions){case 0:break;case 1:return 11;break;case 2:return 14;break;case 3:return 23;break;case 4:return 280;break;case 5:return 281;break;case 6:return 28;break;case 7:return 30;break;case 8:return 31;break;case 9:return 283;break;case 10:return 33;break;case 11:return 37;break;case 12:return 38;break;case 13:return 40;break;case 14:return 42;break;case 15:return 47;break;case 16:return 50;break;case 17:return 286;break;case 18:return 60;break;case 19:return 61;break;case 20:return 67;break;case 21:return 70;break;case 22:return 73;break;case 23:return 75;break;case 24:return 78;break;case 25:return 80;break;case 26:return 82;break;case 27:return 192;break;case 28:return 95;break;case 29:return 287;break;case 30:return 128;break;case 31:return 288;break;case 32:return 289;break;case 33:return 105;break;case 34:return 290;break;case 35:return 104;break;case 36:return 291;break;case 37:return 292;break;case 38:return 108;break;case 39:return 110;break;case 40:return 111;break;case 41:return 126;break;case 42:return 120;break;case 43:return 121;break;case 44:return 123;break;case 45:return 129;break;case 46:return 107;break;case 47:return 293;break;case 48:return 294;break;case 49:return 155;break;case 50:return 158;break;case 51:return 162;break;case 52:return 89;break;case 53:return 156;break;case 54:return 295;break;case 55:return 161;break;case 56:return 242;break;case 57:return 181;break;case 58:return 297;break;case 59:return 298;break;case 60:return 208;break;case 61:return 300;break;case 62:return 301;break;case 63:return 203;break;case 64:return 210;break;case 65:return 211;break;case 66:return 302;break;case 67:return 303;break;case 68:return 259;break;case 69:return 304;break;case 70:return 305;break;case 71:return 306;break;case 72:return 307;break;case 73:return 308;break;case 74:return 222;break;case 75:return 309;break;case 76:return 237;break;case 77:return 245;break;case 78:return 246;break;case 79:return 239;break;case 80:return 240;break;case 81:return 241;break;case 82:return 310;break;case 83:return 311;break;case 84:return 243;break;case 85:return 313;break;case 86:return 312;break;case 87:return 314;break;case 88:return 248;break;case 89:return 249;break;case 90:return 252;break;case 91:return 254;break;case 92:return 258;break;case 93:return 262;break;case 94:return 265;break;case 95:return 266;break;case 96:return 12;break;case 97:return 15;break;case 98:return 277;break;case 99:return 213;break;case 100:return 27;break;case 101:return 261;break;case 102:return 79;break;case 103:return 263;break;case 104:return 264;break;case 105:return 271;break;case 106:return 272;break;case 107:return 273;break;case 108:return 274;break;case 109:return 275;break;case 110:return 276;break;case 111:return"EXPONENT";break;case 112:return 267;break;case 113:return 268;break;case 114:return 269;break;case 115:return 270;break;case 116:return 163;break;case 117:return 214;break;case 118:return 6;break;case 119:return"INVALID";break;case 120:console.log(yy_.yytext);break}},rules:[/^(?:\s+|#[^\n\r]*)/i,/^(?:BASE)/i,/^(?:PREFIX)/i,/^(?:SELECT)/i,/^(?:DISTINCT)/i,/^(?:REDUCED)/i,/^(?:\()/i,/^(?:AS)/i,/^(?:\))/i,/^(?:\*)/i,/^(?:CONSTRUCT)/i,/^(?:WHERE)/i,/^(?:\{)/i,/^(?:\})/i,/^(?:DESCRIBE)/i,/^(?:ASK)/i,/^(?:FROM)/i,/^(?:NAMED)/i,/^(?:GROUP)/i,/^(?:BY)/i,/^(?:HAVING)/i,/^(?:ORDER)/i,/^(?:ASC)/i,/^(?:DESC)/i,/^(?:LIMIT)/i,/^(?:OFFSET)/i,/^(?:VALUES)/i,/^(?:;)/i,/^(?:LOAD)/i,/^(?:SILENT)/i,/^(?:INTO)/i,/^(?:CLEAR)/i,/^(?:DROP)/i,/^(?:CREATE)/i,/^(?:ADD)/i,/^(?:TO)/i,/^(?:MOVE)/i,/^(?:COPY)/i,/^(?:INSERT\s+DATA)/i,/^(?:DELETE\s+DATA)/i,/^(?:DELETE\s+WHERE)/i,/^(?:WITH)/i,/^(?:DELETE)/i,/^(?:INSERT)/i,/^(?:USING)/i,/^(?:DEFAULT)/i,/^(?:GRAPH)/i,/^(?:ALL)/i,/^(?:\.)/i,/^(?:OPTIONAL)/i,/^(?:SERVICE)/i,/^(?:BIND)/i,/^(?:UNDEF)/i,/^(?:MINUS)/i,/^(?:UNION)/i,/^(?:FILTER)/i,/^(?:,)/i,/^(?:a)/i,/^(?:\|)/i,/^(?:\/)/i,/^(?:\^)/i,/^(?:\?)/i,/^(?:\+)/i,/^(?:!)/i,/^(?:\[)/i,/^(?:\])/i,/^(?:\|\|)/i,/^(?:&&)/i,/^(?:=)/i,/^(?:!=)/i,/^(?:<)/i,/^(?:>)/i,/^(?:<=)/i,/^(?:>=)/i,/^(?:IN)/i,/^(?:NOT)/i,/^(?:-)/i,/^(?:BOUND)/i,/^(?:BNODE)/i,/^(?:(RAND|NOW|UUID|STUUID))/i,/^(?:(LANG|DATATYPE|IRI|URI|ABS|CEIL|FLOOR|ROUND|STRLEN|STR|UCASE|LCASE|ENCODE_FOR_URI|YEAR|MONTH|DAY|HOURS|MINUTES|SECONDS|TIMEZONE|TZ|MD5|SHA1|SHA256|SHA384|SHA512|isIRI|isURI|isBLANK|isLITERAL|isNUMERIC))/i,/^(?:(LANGMATCHES|CONTAINS|STRSTARTS|STRENDS|STRBEFORE|STRAFTER|STRLANG|STRDT|sameTerm))/i,/^(?:CONCAT)/i,/^(?:COALESCE)/i,/^(?:IF)/i,/^(?:REGEX)/i,/^(?:SUBSTR)/i,/^(?:REPLACE)/i,/^(?:EXISTS)/i,/^(?:COUNT)/i,/^(?:SUM|MIN|MAX|AVG|SAMPLE)/i,/^(?:GROUP_CONCAT)/i,/^(?:SEPARATOR)/i,/^(?:\^\^)/i,/^(?:true)/i,/^(?:false)/i,/^(?:(<([^<>\"\{\}\|\^`\\\u0000-\u0020])*>))/i,/^(?:((([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])(((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040])|\.)*(((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040]))?)?:))/i,/^(?:(((([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])(((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040])|\.)*(((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040]))?)?:)((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|:|[0-9]|((%([0-9]|[A-F]|[a-f])([0-9]|[A-F]|[a-f]))|(\\(_|~|\.|-|!|\$|&|'|\(|\)|\*|\+|,|;|=|\/|\?|#|@|%))))(((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040])|\.|:|((%([0-9]|[A-F]|[a-f])([0-9]|[A-F]|[a-f]))|(\\(_|~|\.|-|!|\$|&|'|\(|\)|\*|\+|,|;|=|\/|\?|#|@|%))))*((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040])|:|((%([0-9]|[A-F]|[a-f])([0-9]|[A-F]|[a-f]))|(\\(_|~|\.|-|!|\$|&|'|\(|\)|\*|\+|,|;|=|\/|\?|#|@|%)))))?)))/i,/^(?:(_:(((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|[0-9])(((((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0370-\u037D]|[\u037F-\u1FFF]|[\u200C-\u200D]|[\u2070-\u218F]|[\u2C00-\u2FEF]|[\u3001-\uD7FF]|[\uF900-\uFDCF]|[\uFDF0-\uFFFD]|[\uD800-\uDB7F][\uDC00-\uDFFF])|_))|-|[0-9]|\u00B7|[\u0300-\u036F]|[\u203F-\u2040])|\.)*(((?:([A-Z]|[a-z]|[\u00C0-\u00D6]|[\u00D8-\u00F6]|[\u00F8-\u02FF]|[\u0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conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120],inclusive:true}}};return lexer}();parser.lexer=lexer;function Parser(){this.yy={}}Parser.prototype=parser;parser.Parser=Parser;return new Parser}();if(typeof require!=="undefined"&&typeof exports!=="undefined"){exports.parser=parser;exports.Parser=parser.Parser;exports.parse=function(){return parser.parse.apply(parser,arguments)};exports.main=function commonjsMain(args){if(!args[1]){console.log("Usage: "+args[0]+" FILE");process.exit(1)}var source=require("fs").readFileSync(require("path").normalize(args[1]),"utf8");return exports.parser.parse(source)};if(typeof module!=="undefined"&&require.main===module){exports.main(process.argv.slice(1))}}}).call(this,require("_process"))},{_process:12,fs:1,path:11}],68:[function(require,module,exports){var Parser=require("./lib/SparqlParser").Parser;var Generator=require("./lib/SparqlGenerator");module.exports={Parser:function(prefixes){var prefixesCopy={};for(var prefix in prefixes||{})prefixesCopy[prefix]=prefixes[prefix];var parser=new Parser;parser.parse=function(){Parser.prefixes=Object.create(prefixesCopy);return Parser.prototype.parse.apply(parser,arguments)};parser._resetBlanks=Parser._resetBlanks;return parser},Generator:Generator}},{"./lib/SparqlGenerator":66,"./lib/SparqlParser":67}],69:[function(require,module,exports){(function(global){(function(exportCallback){"use strict";var UriTemplateError=function(){function UriTemplateError(options){this.options=options}UriTemplateError.prototype.toString=function(){if(JSON&&JSON.stringify){return JSON.stringify(this.options)}else{return this.options}};return UriTemplateError}();var objectHelper=function(){function isArray(value){return Object.prototype.toString.apply(value)==="[object Array]"}function isString(value){return Object.prototype.toString.apply(value)==="[object String]"}function isNumber(value){return Object.prototype.toString.apply(value)==="[object Number]"}function isBoolean(value){return Object.prototype.toString.apply(value)==="[object Boolean]"}function join(arr,separator){var result="",first=true,index;for(index=0;index<arr.length;index+=1){if(first){first=false}else{result+=separator}result+=arr[index]}return result}function map(arr,mapper){var result=[],index=0;for(;index<arr.length;index+=1){result.push(mapper(arr[index]))}return result}function filter(arr,predicate){var result=[],index=0;for(;index<arr.length;index+=1){if(predicate(arr[index])){result.push(arr[index])}}return result}function deepFreezeUsingObjectFreeze(object){if(typeof object!=="object"||object===null){return object}Object.freeze(object);var property,propertyName;for(propertyName in object){if(object.hasOwnProperty(propertyName)){property=object[propertyName];if(typeof property==="object"){deepFreeze(property)}}}return object}function deepFreeze(object){if(typeof Object.freeze==="function"){return deepFreezeUsingObjectFreeze(object)}return object}return{isArray:isArray,isString:isString,isNumber:isNumber,isBoolean:isBoolean,join:join,map:map,filter:filter,deepFreeze:deepFreeze}}();var charHelper=function(){function isAlpha(chr){return chr>="a"&&chr<="z"||chr>="A"&&chr<="Z"}function isDigit(chr){return chr>="0"&&chr<="9"}function isHexDigit(chr){return isDigit(chr)||chr>="a"&&chr<="f"||chr>="A"&&chr<="F"}return{isAlpha:isAlpha,isDigit:isDigit,isHexDigit:isHexDigit}}();var pctEncoder=function(){var utf8={encode:function(chr){return unescape(encodeURIComponent(chr))},numBytes:function(firstCharCode){if(firstCharCode<=127){return 1}else if(194<=firstCharCode&&firstCharCode<=223){return 2}else if(224<=firstCharCode&&firstCharCode<=239){return 3}else if(240<=firstCharCode&&firstCharCode<=244){return 4}return 0},isValidFollowingCharCode:function(charCode){return 128<=charCode&&charCode<=191}};function encodeCharacter(chr){var result="",octets=utf8.encode(chr),octet,index;for(index=0;index<octets.length;index+=1){octet=octets.charCodeAt(index);result+="%"+(octet<16?"0":"")+octet.toString(16).toUpperCase()}return result}function isPercentDigitDigit(text,start){return text.charAt(start)==="%"&&charHelper.isHexDigit(text.charAt(start+1))&&charHelper.isHexDigit(text.charAt(start+2))}function parseHex2(text,start){return parseInt(text.substr(start,2),16)}function isPctEncoded(chr){if(!isPercentDigitDigit(chr,0)){return false}var firstCharCode=parseHex2(chr,1);var numBytes=utf8.numBytes(firstCharCode);if(numBytes===0){return false}for(var byteNumber=1;byteNumber<numBytes;byteNumber+=1){if(!isPercentDigitDigit(chr,3*byteNumber)||!utf8.isValidFollowingCharCode(parseHex2(chr,3*byteNumber+1))){return false}}return true}function pctCharAt(text,startIndex){var chr=text.charAt(startIndex);if(!isPercentDigitDigit(text,startIndex)){return chr}var utf8CharCode=parseHex2(text,startIndex+1);var numBytes=utf8.numBytes(utf8CharCode);if(numBytes===0){return chr}for(var byteNumber=1;byteNumber<numBytes;byteNumber+=1){if(!isPercentDigitDigit(text,startIndex+3*byteNumber)||!utf8.isValidFollowingCharCode(parseHex2(text,startIndex+3*byteNumber+1))){return chr}}return text.substr(startIndex,3*numBytes)}return{encodeCharacter:encodeCharacter,isPctEncoded:isPctEncoded,pctCharAt:pctCharAt}}();var rfcCharHelper=function(){function isVarchar(chr){return charHelper.isAlpha(chr)||charHelper.isDigit(chr)||chr==="_"||pctEncoder.isPctEncoded(chr)}function isUnreserved(chr){return charHelper.isAlpha(chr)||charHelper.isDigit(chr)||chr==="-"||chr==="."||chr==="_"||chr==="~"}function isReserved(chr){return chr===":"||chr==="/"||chr==="?"||chr==="#"||chr==="["||chr==="]"||chr==="@"||chr==="!"||chr==="$"||chr==="&"||chr==="("||chr===")"||chr==="*"||chr==="+"||chr===","||chr===";"||chr==="="||chr==="'"}return{isVarchar:isVarchar,isUnreserved:isUnreserved,isReserved:isReserved}}();var encodingHelper=function(){function encode(text,passReserved){var result="",index,chr="";if(typeof text==="number"||typeof text==="boolean"){text=text.toString()}for(index=0;index<text.length;index+=chr.length){chr=text.charAt(index);result+=rfcCharHelper.isUnreserved(chr)||passReserved&&rfcCharHelper.isReserved(chr)?chr:pctEncoder.encodeCharacter(chr)}return result}function encodePassReserved(text){return encode(text,true)}function encodeLiteralCharacter(literal,index){var chr=pctEncoder.pctCharAt(literal,index);if(chr.length>1){return chr}else{return rfcCharHelper.isReserved(chr)||rfcCharHelper.isUnreserved(chr)?chr:pctEncoder.encodeCharacter(chr)}}function encodeLiteral(literal){var result="",index,chr="";for(index=0;index<literal.length;index+=chr.length){chr=pctEncoder.pctCharAt(literal,index);if(chr.length>1){result+=chr}else{result+=rfcCharHelper.isReserved(chr)||rfcCharHelper.isUnreserved(chr)?chr:pctEncoder.encodeCharacter(chr)}}return result}return{encode:encode,encodePassReserved:encodePassReserved,encodeLiteral:encodeLiteral,encodeLiteralCharacter:encodeLiteralCharacter}}();var operators=function(){var bySymbol={};function create(symbol){bySymbol[symbol]={symbol:symbol,separator:symbol==="?"?"&":symbol===""||symbol==="+"||symbol==="#"?",":symbol,named:symbol===";"||symbol==="&"||symbol==="?",ifEmpty:symbol==="&"||symbol==="?"?"=":"",first:symbol==="+"?"":symbol,encode:symbol==="+"||symbol==="#"?encodingHelper.encodePassReserved:encodingHelper.encode,toString:function(){return this.symbol}}}create("");create("+");create("#");create(".");create("/");create(";");create("?");create("&");return{valueOf:function(chr){if(bySymbol[chr]){return bySymbol[chr]}if("=,!@|".indexOf(chr)>=0){return null}return bySymbol[""]}}}();function isDefined(object){var propertyName;if(object===null||object===undefined){return false}if(objectHelper.isArray(object)){return object.length>0}if(typeof object==="string"||typeof object==="number"||typeof object==="boolean"){return true}for(propertyName in object){if(object.hasOwnProperty(propertyName)&&isDefined(object[propertyName])){return true}}return false}var LiteralExpression=function(){function LiteralExpression(literal){this.literal=encodingHelper.encodeLiteral(literal)}LiteralExpression.prototype.expand=function(){return this.literal};LiteralExpression.prototype.toString=LiteralExpression.prototype.expand;return LiteralExpression}();var parse=function(){function parseExpression(expressionText){var operator,varspecs=[],varspec=null,varnameStart=null,maxLengthStart=null,index,chr="";function closeVarname(){var varname=expressionText.substring(varnameStart,index);if(varname.length===0){throw new UriTemplateError({expressionText:expressionText,message:"a varname must be specified",position:index})}varspec={varname:varname,exploded:false,maxLength:null};varnameStart=null}function closeMaxLength(){if(maxLengthStart===index){throw new UriTemplateError({expressionText:expressionText,message:"after a ':' you have to specify the length",position:index})}varspec.maxLength=parseInt(expressionText.substring(maxLengthStart,index),10);maxLengthStart=null}operator=function(operatorText){var op=operators.valueOf(operatorText);if(op===null){throw new UriTemplateError({expressionText:expressionText,message:"illegal use of reserved operator",position:index,operator:operatorText})}return op}(expressionText.charAt(0));index=operator.symbol.length;varnameStart=index;for(;index<expressionText.length;index+=chr.length){chr=pctEncoder.pctCharAt(expressionText,index);if(varnameStart!==null){if(chr==="."){if(varnameStart===index){throw new UriTemplateError({expressionText:expressionText,message:"a varname MUST NOT start with a dot",position:index})}continue}if(rfcCharHelper.isVarchar(chr)){continue}closeVarname()}if(maxLengthStart!==null){if(index===maxLengthStart&&chr==="0"){throw new UriTemplateError({expressionText:expressionText,message:"A :prefix must not start with digit 0",position:index})}if(charHelper.isDigit(chr)){if(index-maxLengthStart>=4){throw new UriTemplateError({expressionText:expressionText,message:"A :prefix must have max 4 digits",position:index})}continue}closeMaxLength()}if(chr===":"){if(varspec.maxLength!==null){throw new UriTemplateError({expressionText:expressionText,message:"only one :maxLength is allowed per varspec",position:index})}if(varspec.exploded){throw new UriTemplateError({expressionText:expressionText,message:"an exploeded varspec MUST NOT be varspeced",position:index})}maxLengthStart=index+1;continue}if(chr==="*"){if(varspec===null){throw new UriTemplateError({expressionText:expressionText,message:"exploded without varspec",position:index})}if(varspec.exploded){throw new UriTemplateError({expressionText:expressionText,message:"exploded twice",position:index})}if(varspec.maxLength){throw new UriTemplateError({expressionText:expressionText,message:"an explode (*) MUST NOT follow to a prefix",position:index})}varspec.exploded=true;continue}if(chr===","){varspecs.push(varspec);varspec=null;varnameStart=index+1;continue}throw new UriTemplateError({expressionText:expressionText,message:"illegal character",character:chr,position:index})}if(varnameStart!==null){closeVarname()}if(maxLengthStart!==null){closeMaxLength()}varspecs.push(varspec);return new VariableExpression(expressionText,operator,varspecs)}function parse(uriTemplateText){var index,chr,expressions=[],braceOpenIndex=null,literalStart=0;for(index=0;index<uriTemplateText.length;index+=1){chr=uriTemplateText.charAt(index);if(literalStart!==null){if(chr==="}"){throw new UriTemplateError({templateText:uriTemplateText,message:"unopened brace closed",position:index})}if(chr==="{"){if(literalStart<index){expressions.push(new LiteralExpression(uriTemplateText.substring(literalStart,index)))}literalStart=null;braceOpenIndex=index}continue}if(braceOpenIndex!==null){if(chr==="{"){throw new UriTemplateError({templateText:uriTemplateText,message:"brace already opened",position:index})}if(chr==="}"){if(braceOpenIndex+1===index){throw new UriTemplateError({templateText:uriTemplateText,message:"empty braces",position:braceOpenIndex})}try{expressions.push(parseExpression(uriTemplateText.substring(braceOpenIndex+1,index)))}catch(error){if(error.prototype===UriTemplateError.prototype){throw new UriTemplateError({templateText:uriTemplateText,message:error.options.message,position:braceOpenIndex+error.options.position,details:error.options})}throw error}braceOpenIndex=null;literalStart=index+1}continue}throw new Error("reached unreachable code")}if(braceOpenIndex!==null){throw new UriTemplateError({templateText:uriTemplateText,message:"unclosed brace",position:braceOpenIndex})}if(literalStart<uriTemplateText.length){expressions.push(new LiteralExpression(uriTemplateText.substr(literalStart)))}return new UriTemplate(uriTemplateText,expressions)}return parse}();var VariableExpression=function(){function prettyPrint(value){return JSON&&JSON.stringify?JSON.stringify(value):value}function isEmpty(value){if(!isDefined(value)){return true}if(objectHelper.isString(value)){return value===""}if(objectHelper.isNumber(value)||objectHelper.isBoolean(value)){return false}if(objectHelper.isArray(value)){return value.length===0}for(var propertyName in value){if(value.hasOwnProperty(propertyName)){return false}}return true}function propertyArray(object){var result=[],propertyName;for(propertyName in object){if(object.hasOwnProperty(propertyName)){result.push({name:propertyName,value:object[propertyName]})}}return result}function VariableExpression(templateText,operator,varspecs){this.templateText=templateText;this.operator=operator;this.varspecs=varspecs}VariableExpression.prototype.toString=function(){return this.templateText};function expandSimpleValue(varspec,operator,value){var result="";value=value.toString();if(operator.named){result+=encodingHelper.encodeLiteral(varspec.varname);if(value===""){result+=operator.ifEmpty;return result}result+="="}if(varspec.maxLength!==null){value=value.substr(0,varspec.maxLength)}result+=operator.encode(value);return result}function valueDefined(nameValue){return isDefined(nameValue.value)}function expandNotExploded(varspec,operator,value){var arr=[],result="";if(operator.named){result+=encodingHelper.encodeLiteral(varspec.varname);if(isEmpty(value)){result+=operator.ifEmpty;return result}result+="="}if(objectHelper.isArray(value)){arr=value;arr=objectHelper.filter(arr,isDefined);arr=objectHelper.map(arr,operator.encode);result+=objectHelper.join(arr,",")}else{arr=propertyArray(value);arr=objectHelper.filter(arr,valueDefined);arr=objectHelper.map(arr,function(nameValue){return operator.encode(nameValue.name)+","+operator.encode(nameValue.value)});result+=objectHelper.join(arr,",")}return result}function expandExplodedNamed(varspec,operator,value){var isArray=objectHelper.isArray(value),arr=[];if(isArray){arr=value;arr=objectHelper.filter(arr,isDefined);arr=objectHelper.map(arr,function(listElement){var tmp=encodingHelper.encodeLiteral(varspec.varname);if(isEmpty(listElement)){tmp+=operator.ifEmpty}else{tmp+="="+operator.encode(listElement)}return tmp})}else{arr=propertyArray(value);arr=objectHelper.filter(arr,valueDefined);arr=objectHelper.map(arr,function(nameValue){var tmp=encodingHelper.encodeLiteral(nameValue.name);if(isEmpty(nameValue.value)){tmp+=operator.ifEmpty}else{tmp+="="+operator.encode(nameValue.value)}return tmp})}return objectHelper.join(arr,operator.separator)}function expandExplodedUnnamed(operator,value){var arr=[],result="";if(objectHelper.isArray(value)){arr=value;arr=objectHelper.filter(arr,isDefined);arr=objectHelper.map(arr,operator.encode);result+=objectHelper.join(arr,operator.separator)}else{arr=propertyArray(value);arr=objectHelper.filter(arr,function(nameValue){return isDefined(nameValue.value)});arr=objectHelper.map(arr,function(nameValue){return operator.encode(nameValue.name)+"="+operator.encode(nameValue.value)});result+=objectHelper.join(arr,operator.separator)}return result}VariableExpression.prototype.expand=function(variables){var expanded=[],index,varspec,value,valueIsArr,oneExploded=false,operator=this.operator;for(index=0;index<this.varspecs.length;index+=1){varspec=this.varspecs[index];value=variables[varspec.varname];if(value===null||value===undefined){continue}if(varspec.exploded){oneExploded=true}valueIsArr=objectHelper.isArray(value);if(typeof value==="string"||typeof value==="number"||typeof value==="boolean"){expanded.push(expandSimpleValue(varspec,operator,value))}else if(varspec.maxLength&&isDefined(value)){throw new Error("Prefix modifiers are not applicable to variables that have composite values. You tried to expand "+this+" with "+prettyPrint(value))}else if(!varspec.exploded){if(operator.named||!isEmpty(value)){expanded.push(expandNotExploded(varspec,operator,value))}}else if(isDefined(value)){if(operator.named){expanded.push(expandExplodedNamed(varspec,operator,value))}else{expanded.push(expandExplodedUnnamed(operator,value))}}}if(expanded.length===0){return""}else{return operator.first+objectHelper.join(expanded,operator.separator)}};return VariableExpression}();var UriTemplate=function(){function UriTemplate(templateText,expressions){this.templateText=templateText;this.expressions=expressions;objectHelper.deepFreeze(this)}UriTemplate.prototype.toString=function(){return this.templateText};UriTemplate.prototype.expand=function(variables){var index,result="";for(index=0;index<this.expressions.length;index+=1){result+=this.expressions[index].expand(variables)}return result};UriTemplate.parse=parse;UriTemplate.UriTemplateError=UriTemplateError;return UriTemplate}();exportCallback(UriTemplate)})(function(UriTemplate){"use strict";if(typeof module!=="undefined"){module.exports=UriTemplate}else if(typeof define==="function"){define([],function(){return UriTemplate})}else if(typeof window!=="undefined"){window.UriTemplate=UriTemplate}else{global.UriTemplate=UriTemplate}})}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],"ldf-client":[function(require,module,exports){var globalRequire=require;require=function(path){return function(){return require(path)}};var exports=module.exports={SparqlIterator:require("./lib/triple-pattern-fragments/SparqlIterator.js"),FragmentsClient:require("./lib/triple-pattern-fragments/federated/FederatedFragmentsClient"),Logger:require("./lib/util/Logger"),HttpClient:require("./lib/util/HttpClient"),SparqlResultWriter:function(){var SparqlResultWriter=require("./lib/writers/SparqlResultWriter");SparqlResultWriter.register("application/json","./JSONResultWriter");SparqlResultWriter.register("application/sparql-results+json","./SparqlJSONResultWriter");SparqlResultWriter.register("application/sparql-results+xml","./SparqlXMLResultWriter");return SparqlResultWriter}};Object.keys(exports).forEach(function(submodule){var loadSubmodule=exports[submodule];Object.defineProperty(exports,submodule,{configurable:true,enumerable:true,get:function(){delete exports[submodule];return exports[submodule]=loadSubmodule()}})});require=globalRequire},{"./lib/triple-pattern-fragments/SparqlIterator.js":41,"./lib/triple-pattern-fragments/federated/FederatedFragmentsClient":45,"./lib/util/HttpClient":48,"./lib/util/Logger":49,"./lib/writers/SparqlResultWriter":54}]},{},[]);var ldf=require("ldf-client");var fragmentsClient=new ldf.FragmentsClient("http://fragments.dbpedia.org/2014/en");var query="SELECT * { ?s ?p <http://dbpedia.org/resource/Belgium>. ?s ?p ?o } LIMIT 10",results=new ldf.SparqlIterator(query,{fragmentsClient:fragmentsClient});results.on("data",function(data){window.alert(JSON.stringify(data))});

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "ldf-client": "1.3.0"
  }
}

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