appjet_467638948.js

/* appjet:version 0.1 */

print(H1(appjet.appName));
print(P('Library for building simple text converter application'));
print(P(
    A({href:'http://docs.lib-text-converter.appjet.net/'}, 'documentation'),
    ' / ',
    A({href:'http://text-converter-example.appjet.net/'}, 'example'),
    ' / ',
    A({href:'http://text-converter-example.appjet.net/convert?q=hello'}, 'result(plain)'),
    ' / ',
    A({href:'http://text-converter-example.appjet.net/convert?q=hello&format=json'}, 'result(JSON)'),
    ' / ',
    A({href:'http://text-converter-example.appjet.net/convert?q=hello&format=json&callback=foo'}, 'result(JSONP)')
));
print(H2('functional style'));
print(PRE("""/* appjet:version 0.1 */
import("lib-text-converter");

convertText(function(text) {
    return text + '!!!';
});
"""));
print(H2('OOP style'));
print(PRE("""/* appjet:version 0.1 */
import("lib-text-converter");

var converter = new TextConverter();
converter.setConverter(function(text) {
    return text + '!!!';
});
converter.dispatch();
"""));


/* appjet:library */
import("lib-json");

var TextConverter = function() {
    if(!(this instanceof arguments.callee)) {
        return new arguments.callee();
    }

    this.params = [];
    this.converter = function(text) {
        return text;
    };
    this.renderer = function(form) {
        return raw(form);
    };
}

TextConverter.prototype.addParam = function(name, label, size) {
    this.params.push({
        name: name,
        label: label || name,
        size: size || 20
    });
};

TextConverter.prototype.setConverter = function(func) {
    this.converter = func;
};

TextConverter.prototype.setRenderer = function(func) {
    this.renderer = func;
};

TextConverter.prototype.dispatch = function() {
    var self = this;
    var inputs = this.params.map(function(param) {
        return P(param.label +':', BR(), INPUT({text:"",name:param.name,size:param.size}));
    });
    
    patternDispatch.apply(null,
        [[/^\/$/, function() {
            print(H1(appjet.appName));
            print(raw(self.renderer(FORM.apply(null, 
                [{action:"/convert", method:"get"}]
                    .concat([P('text:', BR(), INPUT({text:"",name:'q',size:50}))])
                    .concat(inputs)
                    .concat(P(INPUT({type:"submit",value:"convert"})))))));
            print(UL(
                LI(A({href: '/convert?q=foo&format=json'}, 'JSON')),
                LI(A({href: '/convert?q=foo&format=json&callback=callback'}, 'JSONP'))));
                
        }],
        [/^\/convert/, function() {
            page.setMode("plain");
            
            var format = request.params['format'] || 'plain';
            var callback = request.params['callback']  || '';
            var text = request.params['q'] || '';
            var result = self.converter(text, request.params);
                        
            if(format == 'json') {
                response.setHeader('content-type', 'application/json');
                
                result = JSON.stringify({result: result});
                if(callback.match(/^[a-zA-Z_]+$/)) {
                    result = callback + '(' + result + ');';
                }
            } else {
                response.setHeader('content-type', 'text/plain');
            }
                 
            print(raw(result));
        }]]);
};

var convertText = function(func) {
    var converter = new TextConverter();
    converter.setConverter(func);
    converter.dispatch();
};