mirror of
https://github.com/kovidgoyal/calibre.git
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104 lines
2.8 KiB
JavaScript
104 lines
2.8 KiB
JavaScript
/*************************************************************
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*
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* MathJax/extensions/TeX/HTML.js
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*
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* Implements the \href, \class, \style, \cssId macros.
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*
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* ---------------------------------------------------------------------
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*
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* Copyright (c) 2010-2012 Design Science, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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MathJax.Extension["TeX/HTML"] = {
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version: "2.0"
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};
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MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
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var TEX = MathJax.InputJax.TeX;
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var TEXDEF = TEX.Definitions;
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TEXDEF.Add({
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macros: {
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href: 'HREF_attribute',
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"class": 'CLASS_attribute',
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style: 'STYLE_attribute',
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cssId: 'ID_attribute'
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}
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});
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TEX.Parse.Augment({
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//
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// Implements \href{url}{math}
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//
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HREF_attribute: function (name) {
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var url = this.GetArgument(name),
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arg = this.GetArgumentMML(name);
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this.Push(arg.With({href:url}));
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},
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//
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// Implements \class{name}{math}
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//
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CLASS_attribute: function (name) {
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var CLASS = this.GetArgument(name),
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arg = this.GetArgumentMML(name);
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if (arg["class"] != null) {CLASS = arg["class"] + " " + CLASS}
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this.Push(arg.With({"class":CLASS}));
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},
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//
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// Implements \style{style-string}{math}
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//
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STYLE_attribute: function (name) {
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var style = this.GetArgument(name),
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arg = this.GetArgumentMML(name);
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// check that it looks like a style string
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if (arg.style != null) {
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if (style.charAt(style.length-1) !== ";") {style += ";"}
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style = arg.style + " " + style;
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}
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this.Push(arg.With({style: style}));
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},
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//
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// Implements \cssId{id}{math}
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//
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ID_attribute: function (name) {
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var ID = this.GetArgument(name),
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arg = this.GetArgumentMML(name);
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this.Push(arg.With({id:ID}));
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},
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//
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// returns an argument that is a single MathML element
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// (in an mrow if necessary)
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//
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GetArgumentMML: function (name) {
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var arg = this.ParseArg(name);
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if (arg.inferred && arg.data.length == 1)
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{arg = arg.data[0]} else {delete arg.inferred}
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return arg;
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}
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});
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MathJax.Hub.Startup.signal.Post("TeX HTML Ready");
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});
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MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/HTML.js");
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