commit 5ccdf60b52d5ccc12bd6761ad9f15ecec9a30811 parent 0c2107dc75362075d39701ac058a8df8a30c7528 Author: Davide P. Cervone <dpvc@union.edu> Date: Mon, 29 Dec 2014 10:31:15 -0500 Merge pull request #964 from mathjax/issue921 add mml3 extension. Issue #921. Diffstat:
| A | unpacked/extensions/MathML/mml3.js | | | 128 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 128 insertions(+), 0 deletions(-)
diff --git a/unpacked/extensions/MathML/mml3.js b/unpacked/extensions/MathML/mml3.js @@ -0,0 +1,128 @@ +/************************************************************* + * + * MathJax/extensions/MathML/mml3.js + * + * This file implements an XSLT transform to convert some MathML 3 + * constructs to constructs MathJax can bit render. The transform is + * performed in a pre-filter for the MathML input jax, so that the + * Show Math As menu will still show the Original MathML correctly, + * but the transformed MathML can be obtained from the regular MathML menu. + * + * To load it, include + * + * MathML: { + * extensions: ["mml3.js"] + * } + * + * in your configuration. + * + * A portion of this file is taken from mml3mj.xsl which is + * Copyright (c) David Carlisle 2008-2014 + * and is used by permission of David Carlisle, who has agreed to allow us + * to release it under the Apache2 license (see below). That portion is + * indicated via comments. + * + * The remainder falls under the copyright that follows. + * --------------------------------------------------------------------- + * + * Copyright (c) 2013-2014 The MathJax Consortium + * + * 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.Extension["MathML/mml3"] = { + version: "2.4.0" +}; + +MathJax.Hub.Register.StartupHook("MathML Jax Ready",function () { + + var MATHML = MathJax.InputJax.MathML, + PARSE = MATHML.Parse.prototype; + + MATHML.prefilterHooks.Add(function (data) { + if (!MATHML.mml3XSLT) return; + + // Parse the <math> but use MATHML.Parse's preProcessMath to apply the normal preprocessing. + if (!MATHML.ParseXML) {MATHML.ParseXML = MATHML.createParser()} + var doc = MATHML.ParseXML(PARSE.preProcessMath(data.math)); + + // Now transform the <math> using the mml3 stylesheet. + var newdoc = MATHML.mml3XSLT.transformToDocument(doc); + + if ((typeof newdoc) === "string") { + // Internet Explorer returns a string, so just use it. + data.math = newdoc; + } else if (window.XMLSerializer) { + // Serialize the <math> again. We could directly provide the DOM content + // but other prefilterHooks may assume data.math is still a string. + var serializer = new XMLSerializer(); + data.math = serializer.serializeToString(newdoc.documentElement, doc); + } + }); + + /* + * The following is taken from mml3mj.xsl + * (https://web-xslt.googlecode.com/svn/trunk/ctop/mml3mj.xsl) + * which is Copyright (c) David Carlisle 2008-2014. + * It is used by permission of David Carlisle, who has agreed to allow it to + * be released under the Apache License, Version 2.0. + */ + var mml3Stylesheet = '<x:stylesheet version="1.0" xmlns:x="http://www.w3.org/1999/XSL/Transform" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns="http://www.w3.org/1998/Math/MathML" xmlns:c="http://exslt.org/common" exclude-result-prefixes="m c"><ms:script language="JScript" implements-prefix="c" xmlns:ms="urn:schemas-microsoft-com:xslt"> this[\'node-set\'] = function (x) { return x; }</ms:script><x:output indent="yes" 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length="{string-length(*[3])}"/><msrow><mrow><x:copy-of select="*[1]"/></mrow><mo>)</mo><x:copy-of select="*[3]"/></msrow></x:otherwise></x:choose><x:copy-of select="*[position()>3]"/></mstack></x:variable><x:choose><x:when test="@longdivstyle=\'stackedrightright\'"><menclose notation="right"><x:apply-templates select="c:node-set($ms)"/></menclose><mtable align="top"><mtr><menclose notation="bottom"><x:copy-of select="*[1]"/></menclose></mtr><mtr><mtd><x:copy-of select="*[2]"/></mtd></mtr></mtable></x:when><x:when test="@longdivstyle=\'mediumstackedrightright\'"><x:apply-templates select="c:node-set($ms)"/><menclose notation="left"><mtable align="top"><mtr><menclose notation="bottom"><x:copy-of select="*[1]"/></menclose></mtr><mtr><mtd><x:copy-of select="*[2]"/></mtd></mtr></mtable></menclose></x:when><x:when test="@longdivstyle=\'shortstackedrightright\'"><x:apply-templates select="c:node-set($ms)"/><mtable align="top"><mtr><menclose notation="left bottom"><x:copy-of select="*[1]"/></menclose></mtr><mtr><mtd><x:copy-of select="*[2]"/></mtd></mtr></mtable></x:when><x:when test="@longdivstyle=\'stackedleftleft\'"><mtable align="top"><mtr><menclose notation="bottom"><x:copy-of select="*[1]"/></menclose></mtr><mtr><mtd><x:copy-of select="*[2]"/></mtd></mtr></mtable><menclose notation="left"><x:apply-templates select="c:node-set($ms)"/></menclose></x:when><x:otherwise><x:apply-templates select="c:node-set($ms)"/></x:otherwise></x:choose></x:template><x:template match="m:menclose[@notation=\'madruwb\']" mode="rtl"><menclose notation="bottom right"><x:apply-templates mode="rtl"/></menclose></x:template></x:stylesheet>'; + /* + * End of mml3mj.xsl material. + */ + + var mml3; + if (window.XSLTProcessor) { + // standard method: just use an XSLTProcessor and parse the stylesheet + if (!MATHML.ParseXML) {MATHML.ParseXML = MATHML.createParser()} + MATHML.mml3XSLT = new XSLTProcessor(); + MATHML.mml3XSLT.importStylesheet(MATHML.ParseXML(mml3Stylesheet)); + } else if (MathJax.Hub.Browser.isMSIE) { + // nonstandard methods for Internet Explorer + if (MathJax.Hub.Browser.versionAtLeast("9.0") || (document.documentMode||0) >= 9) { + // For Internet Explorer >= 9, use createProcessor + mml3 = new ActiveXObject("Msxml2.FreeThreadedDOMDocument"); + mml3.loadXML(mml3Stylesheet); + var xslt = new ActiveXObject("Msxml2.XSLTemplate"); + xslt.stylesheet = mml3; + MATHML.mml3XSLT = { + mml3: xslt.createProcessor(), + transformToDocument: function(doc) { + this.mml3.input = doc; + this.mml3.transform(); + return this.mml3.output; + } + } + } else { + // For Internet Explorer <= 8, use transformNode + mml3 = MATHML.createMSParser(); + mml3.async = false; + mml3.loadXML(mml3Stylesheet); + MATHML.mml3XSLT = { + mml3: mml3, + transformToDocument: function(doc) { + return doc.documentElement.transformNode(this.mml3); + } + } + } + } else { + // No XSLT support. Do not change the <math> content. + MATHML.mml3XSLT = null; + } + + MathJax.Hub.Startup.signal.Post("MathML mml3.js Ready"); +}); + +MathJax.Ajax.loadComplete("[MathJax]/extensions/MathML/mml3.js");