+++ /dev/null
-/*
- * extensions/mathchoice.js
- *
- * Part of the jsMath package for mathematics on the web.
- *
- * This file implements the 4-way math choice. It will be loaded
- * automatically when needed, or can be loaded by
- *
- * jsMath.Extension.Require('mathchoice');
- *
- * ---------------------------------------------------------------------
- *
- * Copyright 2005-2006 by Davide P. Cervone
- *
- * 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.
- */
-
-/********************************************************************/
-
-jsMath.Add(jsMath.mList.prototype.Atomize,{
-
- /*
- * Handle a 4-way choice atom. (Rule 4)
- */
- choice: function (style,mitem,i,mlist) {
- if (style.charAt(style.length-1) == "'") {style = style.slice(0,style.length-1)}
- var nlist = []; var M = mitem[style];
- if (!M) {M = {type: 'mlist', mlist: {mlist: []}}}
- if (M.type == 'mlist') {
- M = M.mlist.mlist;
- for (var k = 0; k < i; k++) {nlist[k] = mlist[k]}
- for (k = 0; k < M.length; k++) {nlist[i+k] = M[k]}
- for (k = i+1; k < mlist.length; k++) {nlist[nlist.length] = mlist[k]}
- return nlist;
- } else {
- mlist[i] = jsMath.mItem.Atom('ord',M);
- return mlist;
- }
- }
-
-});
-
-jsMath.Package(jsMath.Parser,{
-
- macros: {mathchoice: 'MathChoice'},
-
- /*
- * Implements \mathchoice{}{}{}{}
- */
- MathChoice: function (name) {
- var D = this.ProcessArg(this.cmd+name); if (this.error) return;
- var T = this.ProcessArg(this.cmd+name); if (this.error) return;
- var S = this.ProcessArg(this.cmd+name); if (this.error) return;
- var SS = this.ProcessArg(this.cmd+name); if (this.error) return;
- var box = new jsMath.mItem('choice',{D: D, T: T, S: S, SS: SS});
- this.mlist.Add(new jsMath.mItem('choice',{D: D, T: T, S: S, SS: SS}));
- }
-
-});
-