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Handle parsing of the <math> source better.

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This commit is contained in:
Frédéric Wang 2013-03-05 12:30:48 +01:00
parent 0928aac88e
commit ca718359cc
2 changed files with 46 additions and 18 deletions
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26
unpacked/extensions/MathML/content-mathml.js
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File diff suppressed because one or more lines are too long

38
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
@ -28,7 +30,12 @@
MATHML.Parse = MathJax.Object.Subclass({
Init: function (string) {this.Parse(string)},
Init: function (string, cleanUpOnly) {
if (cleanUpOnly) {
return this.cleanUpMath.call(this,string);
}
this.Parse(string);
},
//
// Parse the MathML and check for errors
@ -36,17 +43,8 @@
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.cleanUpMath.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 +158,22 @@
}
},
//
// Clean Up the <math> source to prepare for XML parsing
//
cleanUpMath: 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);
}
math = math.replace(/^\s*(?:\/\/)?<!(--)?\[CDATA\[((.|\n)*)(\/\/)?\]\]\1>\s*$/,"$2");
return math.replace(/&([a-z][a-z0-9]*);/ig,this.replaceEntity);
},
//
// Remove attribute whitespace
//