mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
synced 2024-11-30 02:15:06 +00:00
7e58acc95a
This removes support for MathML % comments, just as with texvc PS2: Fix for regex lookbehind issue Change-Id: I0cb026d749733ed3dbba8faacb163be4438fc6bb
77 lines
3.1 KiB
JavaScript
77 lines
3.1 KiB
JavaScript
/**
|
|
* From https://en.wikipedia.org/wiki/User:Nageh/mathJax/config/TeX-AMS-texvc_HTML.js
|
|
*/
|
|
|
|
MathJax.Extension.wiki2jax = {
|
|
version: "1.0",
|
|
|
|
config: {
|
|
element: null, // The ID of the element to be processed
|
|
// (defaults to full document)
|
|
|
|
preview: "TeX" // Set to "none" to prevent preview strings from being inserted
|
|
// or to an array that specifies an HTML snippet to use for
|
|
// the preview.
|
|
},
|
|
|
|
PreProcess: function (element) {
|
|
if (!this.configured) {
|
|
this.config = MathJax.Hub.CombineConfig("wiki2jax", this.config);
|
|
if (this.config.Augment) {MathJax.Hub.Insert(this,this.config.Augment)}
|
|
|
|
this.previewClass = MathJax.Hub.config.preRemoveClass;
|
|
this.configured = true;
|
|
}
|
|
var that = this;
|
|
$('span.tex, img.tex', element || document).each(function(i, span) {
|
|
that.ConvertMath(span);
|
|
});
|
|
},
|
|
|
|
ConvertMath: function (node) {
|
|
var parent = node.parentNode,
|
|
mode = parent.tagName === "DD" && parent.childNodes.length === 1 ? "; mode=display" : "",
|
|
tex;
|
|
if (node.nodeName == 'IMG') {
|
|
tex = node.alt;
|
|
} else {
|
|
tex = node.innerHTML.replace(/^\$/,"").replace(/\$$/,"");
|
|
tex = tex.replace(/</g,"<").replace(/>/g,">").replace(/&/g,"&").replace(/ /g," ");
|
|
}
|
|
|
|
// We don't allow comments (%) in texvc and escape all literal % by default.
|
|
tex = tex.replace(/([^\\])%/g, "$1\\%" );
|
|
|
|
tex = tex.replace(/\\iiint([^!]*)!\\!\\!\\!\\!.*\\subset\\!\\supset/g,"\\iiint$1mkern-2.5em\\subset\\!\\supset").replace(/\\iint([^!]*)!\\!\\!\\!\\!\\!\\!\\!\\!\\!\\!(.*)\\subset\\!\\supset/g,"\\iint$1mkern-1.65em$2\\subset\\!\\!\\supset").replace(/\\int\\!\\!\\!(\\!)+\\int\\!\\!\\!(\\!)+\\int([^!]*)!\\!\\!\\!\\!.*\\bigcirc(\\,)*/g,"\\iiint$3mkern-2.5em\\subset\\!\\supset").replace(/\\int\\!\\!\\!(\\!)+\\int([^!]*)!\\!\\!\\!\\!\\!\\!\\!\\!(.*)\\bigcirc(\\,)*/g,"\\iint$2mkern-1.65em$3\\subset\\!\\!\\supset");
|
|
if (mode === "") {
|
|
tex = tex.replace(/ *\\scriptstyle(\W)/g,"\\textstyle$1").replace(/ *\\scriptscriptstyle(\W)/g,"\\scriptstyle$1");
|
|
if (parent.firstChild === node) tex = "\\displaystyle "+tex;
|
|
}
|
|
|
|
var script = document.createElement("script");
|
|
script.type = "math/tex" + mode;
|
|
MathJax.HTML.setScript(script, tex);
|
|
|
|
if (node.nextSibling) {parent.insertBefore(script,node.nextSibling)}
|
|
else {parent.appendChild(script)}
|
|
if (this.config.preview !== "none") {this.createPreview(node)}
|
|
parent.removeChild(node);
|
|
},
|
|
|
|
createPreview: function (node) {
|
|
var preview;
|
|
if (this.config.preview === "TeX") {preview = [this.filterPreview(node.innerHTML)]}
|
|
else if (this.config.preview instanceof Array) {preview = this.config.preview}
|
|
if (preview) {
|
|
preview = MathJax.HTML.Element("span",{className: MathJax.Hub.config.preRemoveClass},preview);
|
|
node.parentNode.insertBefore(preview,node);
|
|
}
|
|
},
|
|
|
|
filterPreview: function (tex) {return tex}
|
|
|
|
};
|
|
|
|
MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.wiki2jax]);
|
|
MathJax.Ajax.loadComplete("[MathJax]/extensions/wiki2jax.js");
|