Add support for \href, \style, \class, and \cssId macros

git-svn-id: https://mathjax.svn.sourceforge.net/svnroot/mathjax/trunk@610 b8fd5906-0fad-46e2-a0d3-10d94ff285d1

mathjax/extensions/TeX/HTML.js

@@ -0,0 +1,18 @@
+/*
+ *  ../SourceForge/trunk/mathjax/extensions/TeX/HTML.js
+ *  
+ *  Copyright (c) 2010 Design Science, Inc.
+ *
+ *  Part of the MathJax library.
+ *  See http://www.mathjax.org for details.
+ * 
+ *  Licensed under the Apache License, Version 2.0;
+ *  you may not use this file except in compliance with the License.
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+MathJax.Unpack([
+  ['MathJax.','Hub.Register.StartupHook("TeX Jax Ready",function(){var b="1.0";var c=',0,'InputJax.TeX;var a=c.Definitions;a.macros.href="','HREF_attribute','";a.macros','["class','"]="','CLASS_attribute',5,'.style="','STYLE_attribute',5,'.cssId="','ID_attribute','";c.Parse.Augment({',4,':function(f){var e=this.GetArgument(f),d=this.GetArgumentMML(f);this.Push(d.With({','href:e}))},',8,':function(e){var f=this.GetArgument(e),d=this.GetArgumentMML(e);if(d',6,'"]!=null){f=d',6,'"]+" "+','f}this.Push(d.With','({"class":f}))},',11,20,'.style!=null){if(f.charAt(f.length-1)!==";"){f+=";"}f=d.style+" "+',25,'({style:f}))},',14,17,'id:e}))},GetArgumentMML:function(e){var d=this.ParseArg(e);if(d.inferred&&d.data.length==1){d=d.data[0]}else{delete d.inferred}return d}});',0,'Hub.Startup.signal.Post("TeX HTML Ready")});',0,'Ajax.loadComplete("[MathJax]/extensions/TeX/HTML.js");']
+]);
+

mathjax/unpacked/extensions/TeX/HTML.js

@@ -0,0 +1,96 @@
+/*************************************************************
+ *
+ *  MathJax/extensions/TeX/HTML.js
+ *  
+ *  Implements the \href, \class, \style, \cssId macros.
+ *
+ *  ---------------------------------------------------------------------
+ *  
+ *  Copyright (c) 2010 Design Science, Inc.
+ * 
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
+  var VERSION = "1.0";
+
+  var TEX = MathJax.InputJax.TeX;
+  var TEXDEF = TEX.Definitions;
+  
+  TEXDEF.macros.href = 'HREF_attribute';
+  TEXDEF.macros["class"] = 'CLASS_attribute';
+  TEXDEF.macros.style = 'STYLE_attribute';
+  TEXDEF.macros.cssId = 'ID_attribute';
+
+  TEX.Parse.Augment({
+
+    //
+    //  Implements \href{url}{math}
+    //
+    HREF_attribute: function (name) {
+      var url = this.GetArgument(name),
+          arg = this.GetArgumentMML(name);
+      this.Push(arg.With({href:url}));
+    },
+    
+    //
+    //  Implements \class{name}{math}
+    //
+    CLASS_attribute: function (name) {
+      var CLASS = this.GetArgument(name),
+          arg   = this.GetArgumentMML(name);
+      if (arg["class"] != null) {CLASS = arg["class"] + " " + CLASS}
+      this.Push(arg.With({"class":CLASS}));
+    },
+
+    //
+    //  Implements \style{style-string}{math}
+    //
+    STYLE_attribute: function (name) {
+      var style = this.GetArgument(name),
+          arg   = this.GetArgumentMML(name);
+      // check that it looks like a style string
+      if (arg.style != null) {
+        if (style.charAt(style.length-1) !== ";") {style += ";"}
+        style = arg.style + " " + style;
+      }
+      this.Push(arg.With({style: style}));
+    },
+
+    //
+    //  Implements \cssId{id}{math}
+    //
+    ID_attribute: function (name) {
+      var ID  = this.GetArgument(name),
+          arg = this.GetArgumentMML(name);
+      this.Push(arg.With({id:ID}));
+    },
+
+    //
+    //  returns an argument that is a single MathML element
+    //  (in an mrow if necessary)
+    //
+    GetArgumentMML: function (name) {
+      var arg = this.ParseArg(name);
+      if (arg.inferred && arg.data.length == 1)
+        {arg = arg.data[0]} else {delete arg.inferred}
+      return arg;
+    }
+
+  });
+  
+  MathJax.Hub.Startup.signal.Post("TeX HTML Ready");
+  
+});
+
+MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/HTML.js");

mathjax/unpacked/jax/input/TeX/jax.js

@@ -853,10 +853,10 @@
         unicode:           ['Extension','unicode'],
         color:              'Color',
         
-//      href:       ['Extension','HTML'],
+        href:              ['Extension','HTML'],
-//      'class':    ['Extension','HTML'],
+        'class':           ['Extension','HTML'],
-//      style:      ['Extension','HTML'],
+        style:             ['Extension','HTML'],
-//      cssId:      ['Extension','HTML'],
+        cssId:             ['Extension','HTML'],
 //      bbox:              ['Extension','bbox'],
     
         require:            'Require'