Website/node_modules/MathJax/unpacked/extensions/TeX/HTML.js

107 lines
2.9 KiB
JavaScript

/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/extensions/TeX/HTML.js
*
* Implements the \href, \class, \style, \cssId macros.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2010-2015 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["TeX/HTML"] = {
version: "2.5.0"
};
MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
var TEX = MathJax.InputJax.TeX;
var TEXDEF = TEX.Definitions;
TEXDEF.Add({
macros: {
href: 'HREF_attribute',
"class": 'CLASS_attribute',
style: 'STYLE_attribute',
cssId: 'ID_attribute'
}
},null,true);
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");