+++ /dev/null
-/*
- * mimeTeX.js
- *
- * Part of the jsMath package for mathematics on the web.
- *
- * This file makes jsMath more compatible with the mimeTeX program.
- * It does not make everything work, but it goes a long way.
- *
- * ---------------------------------------------------------------------
- *
- * Copyright 2004-2006 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.
- */
-
-
-/*
- * Treat ~ as space
- */
-jsMath.Parser.prototype.nextIsSpace = function () {
- return this.string.charAt(this.i) == ' ' ||
- this.string.charAt(this.i) == '~';
-}
-jsMath.Parser.prototype.special['~'] = 'Space';
-
-/*
- * Implement \[ ... \], \( ... \), etc.
- */
-jsMath.Macro('[','\\left['); jsMath.Macro(']','\\right]');
-jsMath.Macro('(','\\left('); jsMath.Macro(')','\\right)');
-jsMath.Macro('<','\\left<'); jsMath.Macro('>','\\right>');
-// can't do \. in a reasonable way
-jsMath.Parser.prototype.macros['|'] = ['HandleLR','|','|'];
-jsMath.Parser.prototype.macros['='] = ['HandleLR','\\|','\\|'];
-
-/*
- * Make non-standard \left{ and \right} work
- */
-jsMath.Parser.prototype.delimiter['}'] = [5,2,0x67,3,0x09];
-jsMath.Parser.prototype.delimiter['{'] = [4,2,0x66,3,0x08];
-
-
-/*
- * Immitate mimeTeX \big... and \Big... ops
- */
-
-// make the normal ones in text mode
-jsMath.Macro('int','\\intop\\nolimits');
-jsMath.Macro('oint','\\ointop\\nolimits');
-jsMath.Macro('sum','\\sumop\\nolimits');
-jsMath.Macro('prod','\\prodop\\nolimits');
-jsMath.Macro('coprod','\\coprodop\\nolimits');
-
-jsMath.Macro('bigint','\\bigintop\\nolimits');
-jsMath.Macro('bigoint','\\bigointop\\nolimits');
-jsMath.Macro('bigsum','\\bigsumop\\nolimits');
-jsMath.Macro('bigprod','\\bigprodop\\nolimits');
-jsMath.Macro('bigcoprod','\\bigcoprodop\\nolimits');
-
-jsMath.Macro('Bigint','\\bigintop\\limits');
-jsMath.Macro('Bigoint','\\bigointop\\limits');
-jsMath.Macro('Bigsum','\\bigsumop\\limits');
-jsMath.Macro('Bigprod','\\bigprodop\\limits');
-jsMath.Macro('Bigcoprod','\\bigcoprod\\limits');
-
-/*
- * The characters needed for the macros above
- */
-jsMath.Parser.prototype.mathchardef['coprodop'] = [1,3,0x60];
-jsMath.Parser.prototype.mathchardef['prodop'] = [1,3,0x51];
-jsMath.Parser.prototype.mathchardef['sumop'] = [1,3,0x50];
-
-jsMath.Parser.prototype.mathchardef['bigintop'] = [1,3,0x5A];
-jsMath.Parser.prototype.mathchardef['bigointop'] = [1,3,0x49];
-jsMath.Parser.prototype.mathchardef['bigcoprodop'] = [1,3,0x61];
-jsMath.Parser.prototype.mathchardef['bigprodop'] = [1,3,0x59];
-jsMath.Parser.prototype.mathchardef['bigsumop'] = [1,3,0x58];
-
-/*
- * Unlink the small versions so they don't enlarge in display mode
- */
-jsMath.TeX['cmex10'][0x48].n = null;
-jsMath.TeX['cmex10'][0x50].n = null;
-jsMath.TeX['cmex10'][0x51].n = null;
-jsMath.TeX['cmex10'][0x52].n = null;
-jsMath.TeX['cmex10'][0x60].n = null;
-
-
-/*
- * Some other missing items
- */
-jsMath.Macro('/','{}'); // insert an empty box \/
-jsMath.Macro('raisebox','\\raise #1px ',1); // convert to \raise
-jsMath.Macro('hfill','\\quad ',1); // punt
-jsMath.Macro('fbox','\\oldfbox{$#1$}',1); // do fbox in math mode
-
-/*
- * These get new JavaScript routines
- */
-jsMath.Parser.prototype.macros['unitlength'] = 'unitlength';
-jsMath.Parser.prototype.macros['hspace'] = 'hspace';
-jsMath.Parser.prototype.macros['fs'] = 'fs';
-jsMath.Parser.prototype.macros['oldfbox'] = 'FBox';
-
-/*
- * Add some JavaScript functions to the parser
- */
-jsMath.Package(jsMath.Parser,{
-
- /*
- * Implement \left x ... \right x
- */
- HandleLR: function (name,data) {
- var arg = this.GetUpto(name,name); if (this.error) return;
- this.string = '\\left'+data[0]+arg+'\\right'+data[1];
- this.i = 0;
- },
-
- /*
- * Hold the unit length in mlist.data
- */
- unitlength: function (name) {
- var n = this.GetArgument(this.cmd+name); if (this.error) return;
- if (!n.match(/^-?(\d+(\.\d*)?|\.\d+)$/)) {
- this.Error("Argument for "+this.cmd+name+" must be a number");
- return;
- }
- this.mlist.data['unitlength'] = n;
- },
-
- /*
- * Get the length (converted to ems) and multiply by the unit length
- */
- hspace: function (name) {
- var w = this.GetArgument(this.cmd+name); if (this.error) return;
- if (!w.match(/^-?(\d+(\.\d*)?|\.\d+)$/)) {
- this.Error("Argument for "+this.cmd+name+" must be a number");
- return;
- }
- w /= jsMath.em
- if (this.mlist.data['unitlength']) {w *= this.mlist.data['unitlength']}
- this.mlist.Add(jsMath.mItem.Space(w));
- },
-
- /*
- * Implement \fs{...} for font-size changing
- */
- fs: function (name) {
- var n = this.GetArgument(this.cmd+name); if (this.error) return;
- if (!n.match(/^[-+]?\d+$/)) {
- this.Error("Argument for "+this.cmd+name+" must be an integer");
- return;
- }
- if (n.match(/[-+]/)) {n = n - 0; n += this.mlist.data.size}
- this.mlist.data.size = n = Math.max(0,Math.min(9,n));
- this.mlist.Add(new jsMath.mItem('size',{size: n}));
- },
-
- /*
- * Repalce the Array function by one that accepts an optional
- * parameter for the column types, and that handle's mimeTeX's
- * "preamble" format.
- */
- Array: function (name,delim) {
- var columns = delim[2]; var cspacing = delim[3];
- if (!columns && this.GetNext() == '{') {
- columns = this.GetArgument(this.cmd+'begin{'+name+'}');
- if (this.error) return;
- } else {
- columns = '';
- }
- columns = columns.replace(/[^clr]/g,'');
- columns = columns.split('');
- var data = this.mlist.data; var style = delim[5] || 'T';
- var arg = this.GetEnd(name); if (this.error) return;
- if (arg.match(/\$/)) {arg = arg.replace(/^([^$]*)\$/,''); columns = RegExp.$1}
- var parse = new jsMath.Parser(arg+this.cmd+'\\',null,data.size,style);
- parse.matrix = name; parse.row = []; parse.table = []; parse.rspacing = [];
- parse.Parse(); if (parse.error) {this.Error(parse); return}
- parse.HandleRow(name,1); // be sure the last row is recorded
- var box = jsMath.Box.Layout(data.size,parse.table,columns,cspacing,parse.rspacing,delim[4]||null);
- // Add parentheses, if needed
- if (delim[0] && delim[1]) {
- var left = jsMath.Box.Delimiter(box.h+box.d-jsMath.hd/4,this.delimiter[delim[0]],'T');
- var right = jsMath.Box.Delimiter(box.h+box.d-jsMath.hd/4,this.delimiter[delim[1]],'T');
- box = jsMath.Box.SetList([left,box,right],data.style,data.size);
- }
- this.mlist.Add(jsMath.mItem.Atom((delim[0]? 'inner': 'ord'),box));
- },
-
- /*
- * Similarly for Matrix (used by \matrix and \array)
- */
- Matrix: function (name,delim) {
- var data = this.mlist.data;
- var arg = this.GetArgument(this.cmd+name); if (this.error) return;
- if (arg.match(/\$/)) {arg = arg.replace(/^([^$]*)\$/,''); delim[2] = RegExp.$1}
- var parse = new jsMath.Parser(arg+this.cmd+'\\',null,data.size,delim[5] || 'T');
- parse.matrix = name; parse.row = []; parse.table = []; parse.rspacing = [];
- parse.Parse(); if (parse.error) {this.Error(parse); return}
- parse.HandleRow(name,1); // be sure the last row is recorded
- var box = jsMath.Box.Layout(data.size,parse.table,delim[2]||null,delim[3]||null,parse.rspacing,delim[4]||null);
- // Add parentheses, if needed
- if (delim[0] && delim[1]) {
- var left = jsMath.Box.Delimiter(box.h+box.d-jsMath.hd/4,this.delimiter[delim[0]],'T');
- var right = jsMath.Box.Delimiter(box.h+box.d-jsMath.hd/4,this.delimiter[delim[1]],'T');
- box = jsMath.Box.SetList([left,box,right],data.style,data.size);
- }
- this.mlist.Add(jsMath.mItem.Atom((delim[0]? 'inner': 'ord'),box));
- }
-});