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Merge remote-tracking branch 'fred/content-mathml' into develop

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Add Content MathML support.
This commit is contained in:
Davide P. Cervone 2013-04-24 15:20:17 -04:00
commit 607b1031a3
2 changed files with 149 additions and 15 deletions
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112
unpacked/extensions/MathML/content-mathml.js Normal file
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52
unpacked/jax/input/MathML/jax.js
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@ -1,3 +1,5 @@
/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/jax/input/MathML/jax.js
@ -36,17 +38,8 @@
Parse: function (math) {
var doc;
if (typeof math !== "string") {doc = math.parentNode} else {
if (math.match(/^<[a-z]+:/i) && !math.match(/^<[^<>]* xmlns:/))
{math = math.replace(/^<([a-z]+)(:math)/i,'<$1$2 xmlns:$1="http://www.w3.org/1998/Math/MathML"')}
// HTML5 removes xmlns: namespaces, so put them back for XML
var match = math.match(/^(<math( ('.*?'|".*?"|[^>])+)>)/i);
if (match && match[2].match(/ (?!xmlns=)[a-z]+=\"http:/i)) {
math = match[1].replace(/ (?!xmlns=)([a-z]+=(['"])http:.*?\2)/ig," xmlns:$1 $1") +
math.substr(match[0].length);
}
math = math.replace(/^\s*(?:\/\/)?<!(--)?\[CDATA\[((.|\n)*)(\/\/)?\]\]\1>\s*$/,"$2");
math = math.replace(/&([a-z][a-z0-9]*);/ig,this.replaceEntity);
doc = MATHML.ParseXML(math); if (doc == null) {MATHML.Error("Error parsing MathML")}
doc = MATHML.ParseXML(this.preProcessMath.call(this,math));
if (doc == null) {MATHML.Error("Error parsing MathML")}
}
var err = doc.getElementsByTagName("parsererror")[0];
if (err) MATHML.Error("Error parsing MathML: "+err.textContent.replace(/This page.*?errors:|XML Parsing Error: |Below is a rendering of the page.*/g,""));
@ -160,6 +153,26 @@
}
},
//
// Clean Up the <math> source to prepare for XML parsing
//
preProcessMath: function (math) {
if (math.match(/^<[a-z]+:/i) && !math.match(/^<[^<>]* xmlns:/)) {
math = math.replace(/^<([a-z]+)(:math)/i,'<$1$2 xmlns:$1="http://www.w3.org/1998/Math/MathML"')
}
// HTML5 removes xmlns: namespaces, so put them back for XML
var match = math.match(/^(<math( ('.*?'|".*?"|[^>])+)>)/i);
if (match && match[2].match(/ (?!xmlns=)[a-z]+=\"http:/i)) {
math = match[1].replace(/ (?!xmlns=)([a-z]+=(['"])http:.*?\2)/ig," xmlns:$1 $1") + math.substr(match[0].length);
}
if (math.match(/^<math/i) && !math.match(/^<[^<>]* xmlns=/)) {
// append the MathML namespace
math = math.replace(/^<(math)/i,'<math xmlns="http://www.w3.org/1998/Math/MathML"')
}
math = math.replace(/^\s*(?:\/\/)?<!(--)?\[CDATA\[((.|\n)*)(\/\/)?\]\]\1>\s*$/,"$2");
return math.replace(/&([a-z][a-z0-9]*);/ig,this.replaceEntity);
},
//
// Remove attribute whitespace
//
@ -239,6 +252,18 @@
return this.div;
},
parseError: function (string) {return null},
createMSParser: function() {
var parser = null;
var xml = ["MSXML2.DOMDocument.6.0","MSXML2.DOMDocument.5.0",
"MSXML2.DOMDocument.4.0","MSXML2.DOMDocument.3.0",
"MSXML2.DOMDocument.2.0","Microsoft.XMLDOM"];
for (var i = 0, m = xml.length; i < m && !parser; i++) {
try {
parser = new ActiveXObject(xml[i])
} catch (err) {}
}
return parser;
},
//
// Create the parser using a DOMParser, or other fallback method
//
@ -247,10 +272,7 @@
this.parser = new DOMParser();
return(this.parseDOM);
} else if (window.ActiveXObject) {
var xml = ["MSXML2.DOMDocument.6.0","MSXML2.DOMDocument.5.0","MSXML2.DOMDocument.4.0",
"MSXML2.DOMDocument.3.0","MSXML2.DOMDocument.2.0","Microsoft.XMLDOM"];
for (var i = 0, m = xml.length; i < m && !this.parser; i++)
{try {this.parser = new ActiveXObject(xml[i])} catch (err) {}}
this.parser = this.createMSParser();
if (!this.parser) {
alert("MathJax can't create an XML parser for MathML. Check that\n"+
"the 'Script ActiveX controls marked safe for scripting' security\n"+