appjet_647938280.js

/* appjet:version 0.1 */

import("lib-jsunit-2-2");
import(appjet.appName);

print(H1(appjet.appName));
print(H2('Usage'));
print(P(CODE("""import("lib-uri");

var uri = new URI('http://example.com/a/b');
uri.resolveLink('/c'); //=> http://example.com/c
""")));
print(H2('Tests'));

test(function testNew() {
    var uri = new URI('http://www.example.com:1234/a/b/c?d=e#f');
    assertEquals('http://www.example.com:1234/a/b/c?d=e#f', uri.href);
    assertEquals('http:', uri.protocol);
    assertEquals('www.example.com:1234', uri.host);
    assertEquals('www.example.com', uri.hostname);
    assertEquals('1234', uri.port);
    assertEquals('/a/b/c', uri.pathname);
    assertEquals('?d=e', uri.search);
    assertEquals('#f', uri.hash);
});
                            
test(function testResolveLink() {
    var uri = new URI('http://example.com/a/b?c=4');
    assertSameURI('http://example.com/b/c', uri.resolveLink('http://example.com/b/c'));
    assertSameURI('http://example.com/', uri.resolveLink('/'));
    assertSameURI('http://example.com/a', uri.resolveLink('/a'));
    assertSameURI('http://example.com/a/c', uri.resolveLink('/a/c'));
    assertSameURI('http://example.com/a/c', uri.resolveLink('c'));
    assertSameURI('http://example.com/a/../c', uri.resolveLink('../c'));
    assertSameURI('http://example.com/a/b?c=4#d', uri.resolveLink('#d'));
});

test(function testResolveLinkBaseUrlEndsWithDirectory() {
    var uri = new URI('http://example.com/a/');
    assertSameURI('http://example.com/b/c', uri.resolveLink('http://example.com/b/c'));
    assertSameURI('http://example.com/', uri.resolveLink('/'));
    assertSameURI('http://example.com/a', uri.resolveLink('/a'));
    assertSameURI('http://example.com/a/c', uri.resolveLink('/a/c'));
    assertSameURI('http://example.com/a/c', uri.resolveLink('c'));
    assertSameURI('http://example.com/a/../c', uri.resolveLink('../c'));
    assertSameURI('http://example.com/a/#d', uri.resolveLink('#d'));
});

function assertSameURI(str, uri) {
    assertEquals(str, uri.toString());
}

import("lib-jsunitrunner");
dispatchRunner();

/* appjet:library */

// based on http://d.hatena.ne.jp/javascripter/20090309/1236590529
function URI(uri) {
  uri = String(uri);
  var parser = /^([^:\/?#]+:)?\/\/(([^\/?#:]*):?(\d*))?([^?#]*)(\?[^#]*)?(#.*)?$/;
  var m = uri.match(parser);
  if (!m) throw new URIError("malformed URI given");
  this.href = m[0];
  this.protocol = m[1] || "";
  this.host = m[2] || "";
  this.hostname = m[3] || "";
  this.port = m[4] || "";
  this.pathname = m[5] || "";
  this.search = m[6] === "?" ? "" : m[6] || "";
  this.hash = m[7] || "";
}

URI.prototype.toString = function () {
  return this.href;
};

URI.prototype.resolveLink = function(link) {
    var root = [
        this.protocol,
        '//',
        this.host,
    ].join('');
    
    if(link.match(/^https*:/)) {
        return new URI(link);
    }
    
    if(link.match(/^\//)) {
        return new URI(root + link);
    }
    
    if(link.match(/^#/)) {
        return new URI(root
            + this.pathname
            + this.search
            + link);
    }
    
    return new URI(root
        + this.pathname.replace(/[^\/]+$/, '')
        + link);
}