fixes #8 by implementing the origin property

remove unnecessary setter for read-only origin

origin: special cases for data, mailto, javascript, file

add origin support to testparser, add a few origin test cases

origin property: conform to specification better, legibility changes

Author: jokeyrhyme

url.js

@@ -557,6 +557,30 @@
       if ('#' == hash[0])
         hash = hash.slice(1);
       parse.call(this, hash, 'fragment');
+    },
+
+    get origin() {
+      var host;
+      if (this._isInvalid || !this._scheme) {
+        return '';
+      }
+      // javascript: Gecko returns String(""), WebKit/Blink String("null")
+      // Gecko throws error for "data://"
+      // data: Gecko returns "", Blink returns "data://", WebKit returns "null"
+      // Gecko returns String("") for file: mailto:
+      // WebKit/Blink returns String("SCHEME://") for file: mailto:
+      switch (this._scheme) {
+        case 'data':
+        case 'file':
+        case 'javascript':
+        case 'mailto':
+          return 'null';
+      }
+      host = this.host;
+      if (!host) {
+        return '';
+      }
+      return this._scheme + '://' + host;
     }
   };
 

urltestparser.js

@@ -1,7 +1,7 @@
 function URLTestParser(input) {
   var relativeSchemes = ["ftp", "file", "gopher", "http", "https", "ws", "wss"],
       tokenMap = { "\\": "\\", n: "\n", r: "\r", s: " ", t: "\t", f: "\f" }
-      resultMap = { s: "scheme", u: "username", pass: "password", h: "host", port: "port", p: "path", q: "query", f: "fragment" },
+      resultMap = { s: "scheme", u: "username", pass: "password", h: "host", port: "port", p: "path", q: "query", f: "fragment", o: "origin" },
       results = []
   function Test() {
     this.input = ""
@@ -14,6 +14,7 @@ function URLTestParser(input) {
     this.path = ""
     this.query = ""
     this.fragment = ""
+    this.origin = ""
     Object.defineProperties(this, {
       "href": { get: function() { return !this.scheme ? this.input : this.protocol + (relativeSchemes.indexOf(this.scheme) != -1 ? "//" + (("" != this.username || null != this.password) ? this.username + (null != this.password ? ":" + this.password : "") + "@" : "") + this.host : "") + (this.port ? ":" + this.port : "") + this.path + this.query + this.fragment } },
       "protocol": { get: function() { return this.scheme + ":" } },

urltests.txt

@@ -156,69 +156,69 @@ http://example.com/\uFEFF/foo  s:http h:example.com p:/%EF%BB%BF/foo
 http://example.com/\u202E/foo/\u202D/bar  s:http h:example.com p:/%E2%80%AE/foo/%E2%80%AD/bar
 
 # Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/relative.js
-http://www.google.com/foo?bar=baz# about:blank s:http h:www.google.com p:/foo q:?bar=baz f:#
-http://www.google.com/foo?bar=baz#\s\u00BB  s:http h:www.google.com p:/foo q:?bar=baz f:#\s\u00BB
-http://[www.google.com]/  s:http h:[www.google.com] p:/
+http://www.google.com/foo?bar=baz# about:blank s:http h:www.google.com p:/foo q:?bar=baz f:# o:http://www.google.com
+http://www.google.com/foo?bar=baz#\s\u00BB  s:http h:www.google.com p:/foo q:?bar=baz f:#\s\u00BB o:http://www.google.com
+http://[www.google.com]/  s:http h:[www.google.com] p:/ o:http://[www.google.com]
 http://www.google.com  s:http h:www.google.com p:/
 http://192.0x00A80001  s:http h:192.0x00a80001 p:/
 http://www/foo%2Ehtml  s:http h:www p:/foo%2Ehtml
 http://www/foo/%2E/html  s:http h:www p:/foo/html
 http://user:pass@/
 http://%25DOMAIN:[email protected]/  s:http u:%25DOMAIN pass:foobar h:foodomain.com p:/
-http:\\\\www.google.com\\foo  s:http h:www.google.com p:/foo
-http://foo:80/  s:http h:foo p:/
-http://foo:81/  s:http h:foo port:81 p:/
-httpa://foo:80/  s:httpa p://foo:80/
+http:\\\\www.google.com\\foo  s:http h:www.google.com p:/foo o:http://www.google.com
+http://foo:80/  s:http h:foo p:/ o:http://foo:80
+http://foo:81/  s:http h:foo port:81 p:/ o:http://foo:81
+httpa://foo:80/  s:httpa p://foo:80/ o:httpa://foo:80
 http://foo:-80/
-https://foo:443/  s:https h:foo p:/
-https://foo:80/  s:https h:foo port:80 p:/
-ftp://foo:21/  s:ftp h:foo p:/
-ftp://foo:80/  s:ftp h:foo port:80 p:/
-gopher://foo:70/  s:gopher h:foo p:/
-gopher://foo:443/  s:gopher h:foo port:443 p:/
-ws://foo:80/  s:ws h:foo p:/
-ws://foo:81/  s:ws h:foo port:81 p:/
-ws://foo:443/  s:ws h:foo port:443 p:/
-ws://foo:815/  s:ws h:foo port:815 p:/
-wss://foo:80/  s:wss h:foo port:80 p:/
-wss://foo:81/  s:wss h:foo port:81 p:/
-wss://foo:443/  s:wss h:foo p:/
-wss://foo:815/  s:wss h:foo port:815 p:/
-http:/example.com/  s:http h:example.com p:/
-ftp:/example.com/  s:ftp h:example.com p:/
-https:/example.com/  s:https h:example.com p:/
-madeupscheme:/example.com/  s:madeupscheme p:/example.com/
+https://foo:443/  s:https h:foo p:/ o:https://foo:443
+https://foo:80/  s:https h:foo port:80 p:/ o:http://foo:80
+ftp://foo:21/  s:ftp h:foo p:/ o:ftp://foo:21
+ftp://foo:80/  s:ftp h:foo port:80 p:/ o:ftp://foo:80
+gopher://foo:70/  s:gopher h:foo p:/ o:gopher://foo:70
+gopher://foo:443/  s:gopher h:foo port:443 p:/ o:gopher://foo:443
+ws://foo:80/  s:ws h:foo p:/ o:ws://foo:80
+ws://foo:81/  s:ws h:foo port:81 p:/ o:ws://foo:81
+ws://foo:443/  s:ws h:foo port:443 p:/ o:ws://foo:443
+ws://foo:815/  s:ws h:foo port:815 p:/ o:ws://goo:815
+wss://foo:80/  s:wss h:foo port:80 p:/ o:wss://foo:80
+wss://foo:81/  s:wss h:foo port:81 p:/ o:wss://foo:81
+wss://foo:443/  s:wss h:foo p:/ o:wss://foo:443
+wss://foo:815/  s:wss h:foo port:815 p:/ o:wss://foo:815
+http:/example.com/  s:http h:example.com p:/ o:http://example.com
+ftp:/example.com/  s:ftp h:example.com p:/ o:ftp:/example.com
+https:/example.com/  s:https h:example.com p:/ o:https://example.com
+madeupscheme:/example.com/  s:madeupscheme p:/example.com/ o:madeupscheme://example.com
 file:/example.com/  s:file p:/example.com/
-ftps:/example.com/  s:ftps p:/example.com/
-gopher:/example.com/  s:gopher h:example.com p:/
-ws:/example.com/  s:ws h:example.com p:/
-wss:/example.com/  s:wss h:example.com p:/
+ftps:/example.com/  s:ftps p:/example.com/ o:ftps://example.com
+gopher:/example.com/  s:gopher h:example.com p:/ o:gopher://example.com
+ws:/example.com/  s:ws h:example.com p:/ o:ws://example.com
+wss:/example.com/  s:wss h:example.com p:/ o:wss://example.com
 data:/example.com/  s:data p:/example.com/
 javascript:/example.com/  s:javascript p:/example.com/
 mailto:/example.com/  s:mailto p:/example.com/
-http:example.com/  s:http h:example.com p:/
-ftp:example.com/  s:ftp h:example.com p:/
-https:example.com/  s:https h:example.com p:/
-madeupscheme:example.com/  s:madeupscheme p:example.com/
-ftps:example.com/  s:ftps p:example.com/
-gopher:example.com/  s:gopher h:example.com p:/
-ws:example.com/  s:ws h:example.com p:/
-wss:example.com/  s:wss h:example.com p:/
+http:example.com/  s:http h:example.com p:/ o:http://example.com
+ftp:example.com/  s:ftp h:example.com p:/ o:ftp://example.com
+https:example.com/  s:https h:example.com p:/ o:https://example.com
+madeupscheme:example.com/  s:madeupscheme p:example.com/ o:madeupscheme://example.com
+ftps:example.com/  s:ftps p:example.com/ o:ftps://example.com
+gopher:example.com/  s:gopher h:example.com p:/ o:gopher://example.com
+ws:example.com/  s:ws h:example.com p:/ o:ws://example.com
+wss:example.com/  s:wss h:example.com p:/ o:wss://example.com
 data:example.com/  s:data p:example.com/
 javascript:example.com/  s:javascript p:example.com/
 mailto:example.com/  s:mailto p:example.com/
 
 # Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/segments-userinfo-vs-host.html
-http:@www.example.com about:blank s:http h:www.example.com p:/
-http:/@www.example.com  s:http h:www.example.com p:/
-http://@www.example.com  s:http h:www.example.com p:/
-http:a:[email protected]  s:http u:a pass:b h:www.example.com p:/
-http:/a:[email protected]  s:http u:a pass:b h:www.example.com p:/
-http://a:[email protected]  s:http u:a pass:b h:www.example.com p:/
-http://@pple.com  s:http h:pple.com p:/
-http::[email protected]  s:http pass:b h:www.example.com p:/
-http:/:[email protected]  s:http pass:b h:www.example.com p:/
-http://:[email protected]  s:http pass:b h:www.example.com p:/
+http:@www.example.com about:blank s:http h:www.example.com p:/ o:http://www.example.com
+http:/@www.example.com  s:http h:www.example.com p:/ o:http://www.example.com
+http://@www.example.com  s:http h:www.example.com p:/ o:http://www.example.com
+http:a:[email protected]  s:http u:a pass:b h:www.example.com p:/ o:http://www.example.com
+http:/a:[email protected]  s:http u:a pass:b h:www.example.com p:/ o:http://www.example.com
+http://a:[email protected]  s:http u:a pass:b h:www.example.com p:/ o:http://www.example.com
+http://@pple.com  s:http h:pple.com p:/ o:http://ppl.com
+http::[email protected]  s:http pass:b h:www.example.com p:/ o:http://www.example.com
+http:/:[email protected]  s:http pass:b h:www.example.com p:/ o:http://www.example.com
+http://:[email protected]  s:http pass:b h:www.example.com p:/ o:http://www.example.com
 http:/:@/www.example.com
 http://user@/www.example.com
 http:@/www.example.com
@@ -229,11 +229,11 @@ http:a:b@/www.example.com
 http:/a:b@/www.example.com
 http://a:b@/www.example.com
 http::@/www.example.com
-http:a:@www.example.com  s:http u:a pass: h:www.example.com p:/
-http:/a:@www.example.com  s:http u:a pass: h:www.example.com p:/
-http://a:@www.example.com  s:http u:a pass: h:www.example.com p:/
-http://[email protected]  s:http u:www. h:pple.com p:/
+http:a:@www.example.com  s:http u:a pass: h:www.example.com p:/ o:http://www.example.com
+http:/a:@www.example.com  s:http u:a pass: h:www.example.com p:/ o:http://www.example.com
+http://a:@www.example.com  s:http u:a pass: h:www.example.com p:/ o:http://www.example.com
+http://[email protected]  s:http u:www. h:pple.com p:/ o:http://ppl.com
 http:@:www.example.com
 http:/@:www.example.com
 http://@:www.example.com
-http://:@www.example.com  s:http pass: h:www.example.com p:/
+http://:@www.example.com  s:http pass: h:www.example.com p:/ o:http://www.example.com