mhchem.js (26896B)
1 /************************************************************* 2 * 3 * MathJax/extensions/TeX/mhchem.js 4 * 5 * Implements the \ce command for handling chemical formulas 6 * from the mhchem LaTeX package. 7 * 8 * --------------------------------------------------------------------- 9 * 10 * Copyright (c) 2011-2015 The MathJax Consortium 11 * Copyright (c) 2015-2017 Martin Hensel 12 * 13 * Licensed under the Apache License, Version 2.0 (the "License"); 14 * you may not use this file except in compliance with the License. 15 * You may obtain a copy of the License at 16 * 17 * http://www.apache.org/licenses/LICENSE-2.0 18 * 19 * Unless required by applicable law or agreed to in writing, software 20 * distributed under the License is distributed on an "AS IS" BASIS, 21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 22 * See the License for the specific language governing permissions and 23 * limitations under the License. 24 */ 25 MathJax.Extension["TeX/mhchem"]={version:"3.2.0"},MathJax.Hub.Register.StartupHook("TeX Jax Ready", 26 function(){var n=MathJax.InputJax.TeX,r=MathJax.Object.Subclass({string:"",Init: 27 function(n){this.string=n},Parse: 28 function(r){try{return o.go(t.go(this.string,r))}catch(r){n.Error(r)}}}),t={};t.go= 29 function(n,r){if(!n)return n;void 0===r&&(r="ce");var o="0",e={};e.pL=0,n=n.replace(/[\u2212\u2013\u2014\u2010]/g,"-"),n=n.replace(/[\u2026]/g,"...");for(var a,u,i=[];;){a!==n?(u=10,a=n):u--;var s=t.c[r],l=s.e.length;n:for(var h=0;h<l;h++){var p=s.e[h],c=p.g[o]||p.g["*"]||null;if(c){var f=t.h(p.h,n);if(f){for(var m=t.j([],c.k),k=m.length,d=0;d<k;d++){var g,q=m[d],v=void 0;if(q.l&&(v=q.m,q=q.l),"string"==typeof q)if(s.g[q])g=s.g[q](e,f.h,v);else{if(!t.g[q])throw["MhchemBugA","mhchem bug A. 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