scribble-mathjax/unpacked/extensions/MathML/content-mathml.js
Christian Perfect 86a6c173cf Content-MathML extension: update CToP.js
from mathjax/ctop
2014-05-02 14:52:35 +01:00

1649 lines
52 KiB
JavaScript

/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/*************************************************************
*
* MathJax/extensions/MathML/content-mathml.js
*
* This file implements an XSLT transform to convert Content-MathML to
* Presentation MathML for processing by MathJax. The transform is
* performed in a pre-filter for the MathML input jax, so that the
* Show Math As menu will still show the Original MathML as Content MathML,
* but the Presentation MathML can be obtained from the main MathML menu.
*
* To load it, include
*
* MathML: {
* extensions: ["content-mathml.js"]
* }
*
* in your configuration.
*
* A portion of this file is taken from ctop.xsl which is
* Copyright (c) David Carlisle 2001, 2002, 2008, 2009, 2013,
* and is used by permission of David Carlisle, who has agreed to allow us
* to release it under the Apache2 license (see below). That portion is
* indicated via comments.
*
* The remainder falls under the copyright that follows.
* ---------------------------------------------------------------------
*
* Copyright (c) 2013 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["MathML/content-mathml"] = (function() {
/*
* Content MathML to Presentation MathML conversion
*
* based on David Carlisle's ctop.js - https://web-xslt.googlecode.com/svn/trunk/ctop/ctop.js
*
*/
var CToP = {
version: '2.4',
settings: {
// render `a+(-b)` as `a-b`?
collapsePlusMinus: true,
/* mathvariant to use with corresponding <ci> type attribute */
cistyles: {
"vector": 'bold-italic',
"matrix": 'bold-upright'
},
/* Symbol names to translate to characters
*/
symbols: {
"gamma": '\u03B3'
}
},
/* Transform the given <math> elements from Content MathML to Presentation MathML and replace the original elements
*/
transformElements: function(elements){
for (var i = 0; i< elements.length;i++){
var mathNode = CToP.transformElement(elements[i]);
elements[i].parentNode.replaceChild(mathNode,elements[i]);
}
},
/* Transform a Content MathML element into Presentation MathML, and return the new element
*/
transformElement: function(element) {
var mathNode = element.cloneNode(false);
for(var j=0;j<element.childNodes.length; j++ ) {
CToP.applyTransform(mathNode,element.childNodes[j],0);
}
return mathNode;
},
/* Create an element with given name, belonging to the MathML namespace
*/
createElement: function(name) {
return document.createElementNS("http://www.w3.org/1998/Math/MathML",name);
},
/* Get node's children
*/
getChildren: function(node) {
var children=[];
for(var j=0;j<node.childNodes.length; j++ ) {
if(node.childNodes[j].nodeType==document.ELEMENT_NODE) {
children.push(node.childNodes[j]);
}
}
return children;
},
/* Classify node's children as argumentss, variable bindings, or qualifiers
*/
classifyChildren: function(contentMMLNode) {
var args = [], bvars = [], qualifiers = [];
for(var j=0;j<contentMMLNode.childNodes.length; j++ ) {
if(contentMMLNode.childNodes[j].nodeType==document.ELEMENT_NODE) {
var childNode = contentMMLNode.childNodes[j], name = childNode.localName;
if(name=='bvar'){
bvars.push(childNode);
} else if(name=='condition'||
name=='degree'||
name=='momentabout'||
name=='logbase'||
name=='lowlimit'||
name=='uplimit'||
(name=='interval' && args.length<2)||
name=='domainofapplication') {
qualifiers.push(childNode);
} else {
args.push(childNode);
}
}
}
return {
args:args,
bvars:bvars,
qualifiers:qualifiers
};
},
/* Add an element with given name and text content
*/
appendToken: function(parentNode,name,textContent) {
var element = CToP.createElement(name);
element.textContent = textContent;
parentNode.appendChild(element);
return element;
},
/* Transform a Content MathML node to Presentation MathML node(s), and attach it to the parent
*/
applyTransform: function(parentNode,contentMMLNode,precedence) {
if(!contentMMLNode) {
var merror = CToP.createElement('merror');
CToP.appendToken(merror,'mtext','Missing child node');
parentNode.appendChild(merror);
return;
}
if (contentMMLNode.nodeType==document.ELEMENT_NODE) {
if(CToP.tokens[contentMMLNode.localName]) {
CToP.tokens[contentMMLNode.localName](parentNode,contentMMLNode,precedence);
} else if (contentMMLNode.childNodes.length==0) {
CToP.appendToken(parentNode,'mi',contentMMLNode.localName);
} else {
var clonedChild = contentMMLNode.cloneNode(false);
parentNode.appendChild(clonedChild);
for(var j=0;j<contentMMLNode.childNodes.length; j++ ) {
CToP.applyTransform(clonedChild,contentMMLNode.childNodes[j],precedence);
}
}
} else if (contentMMLNode.nodeType==document.TEXT_NODE) {
parentNode.appendChild(contentMMLNode.cloneNode(false));
}
},
/* Make an mfenced environment
*/
createmfenced: function(children,open,close) {
var mf = CToP.createElement('mfenced');
mf.setAttribute('open',open);
mf.setAttribute('close',close);
for(var j=0;j<children.length; j++ ) {
CToP.applyTransform(mf,children[j],0);
}
return mf;
},
transforms: {
/* Transform an identifier symbol
*/
identifier: function(textContent) {
return function(parentNode,contentMMLNode,precedence) {
CToP.appendToken(parentNode,'mi',textContent);
}
},
/* Transform a set or set-like notation
*/
set: function(open,close) {
var bindSet = CToP.transforms.bind('',',','|');
return function(parentNode,contentMMLNode) {
var children = CToP.classifyChildren(contentMMLNode);
var args = children.args, bvars = children.bvars, qualifiers = children.qualifiers;
if(bvars.length) {
var firstArg=children.args[0];
args = args.slice(1);
var mfenced = CToP.createElement('mfenced');
mfenced.setAttribute('open',open);
mfenced.setAttribute('close',close);
bindSet(mfenced,contentMMLNode,firstArg,args,bvars,qualifiers,0);
parentNode.appendChild(mfenced);
} else {
parentNode.appendChild(CToP.createmfenced(args,open,close));
}
}
},
/* Transform a content token to a presentation token
*
* (function factory)
* @param {string} name - name of the corresponding presentation MML tag
*/
token: function(name) {
return function(parentNode,contentMMLNode) {
if(contentMMLNode.childNodes.length==1 && contentMMLNode.childNodes[0].nodeType==document.TEXT_NODE) {
CToP.appendToken(parentNode,name,contentMMLNode.textContent);
} else {
var mrow = CToP.createElement('mrow');
for(var j=0;j<contentMMLNode.childNodes.length; j++ ) {
if (contentMMLNode.childNodes[j].nodeType==document.TEXT_NODE) {
CToP.appendToken(parentNode,name,contentMMLNode.childNodes[j].textContent);
}else{
CToP.applyTransform(mrow,contentMMLNode.childNodes[j],0);
}
}
if(mrow.childNodes.length) {
parentNode.appendChild(mrow);
}
}
}
},
/* Transform a binary operation
*
* (function factory)
*/
binary: function(name,tokenPrecedence) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var needsBrackets = tokenPrecedence<precedence || (tokenPrecedence==precedence && name=="-");
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
if(args.length>1){
CToP.applyTransform(mrow,args[0],tokenPrecedence);
}
CToP.appendToken(mrow,'mo',name);
if(args.length>0){
var z = args[(args.length==1)?0:1];
CToP.applyTransform(mrow,z,tokenPrecedence);
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
},
/* Transform an infix operator
*
* (function factory)
*/
infix: function(name,tokenPrecedence) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var needsBrackets = precedence>tokenPrecedence;
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
for(var j=0;j<args.length; j++ ) {
if(j>0) {
CToP.appendToken(mrow,'mo',name);
}
CToP.applyTransform(mrow,args[j],tokenPrecedence);
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
},
/* Transform an iterated operation, e.g. summation
*
* (function factory
*/
iteration: function(name,limitSymbol) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var mo = CToP.createElement('mo');
mo.textContent = name;
var munderover = CToP.createElement('munderover');
munderover.appendChild(mo);
var mrow1 = CToP.createElement('mrow');
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='lowlimit'||
qualifiers[i].localName=='condition'||
qualifiers[i].localName=='domainofapplication')
{
if(qualifiers[i].localName=='lowlimit'){
for(var j=0; j<bvars.length;j++){
var bvar = bvars[j];
var children = CToP.getChildren(bvar);
if(children.length){
CToP.applyTransform(mrow1,children[0],0);
}
}
if(bvars.length){
CToP.appendToken(mrow1,"mo",limitSymbol);
}
}
var children = CToP.getChildren(qualifiers[i]);
for(j=0;j<children.length;j++){
CToP.applyTransform(mrow1,children[j],0);
}
} else {
var children = CToP.getChildren(qualifiers[i]);
if (qualifiers[i].localName=='interval' && children.length==2) {
for(var j=0; j<bvars.length;j++){
var bvar = b[j];
var children = CToP.getChildren(bvar);
if(children.length){
CToP.applyTransform(mrow1,children[0],0);
}
}
if(bvars.length){
CToP.appendToken(mrow1,"mo","=");
}
CToP.applyTransform(mrow1,CToP.getChildren(qualifiers[i])[0],0);
}
}
}
munderover.appendChild(mrow1);
var mjrow = CToP.createElement('mrow');
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='uplimit' ||qualifiers[i].localName=='interval' )
{
var children = CToP.getChildren(qualifiers[i]);
for(j=0;j<children.length;j++){
CToP.applyTransform(mjrow,children[j],0);
}
}
}
munderover.appendChild(mjrow);
mrow.appendChild(munderover);
for(var i=0; i<args.length;i++){
CToP.applyTransform(mrow,args[i],precedence);
}
parentNode.appendChild(mrow);
}
},
/* Transform something which binds a variable, e.g. forall or lambda
*
* (function factory)
*/
bind: function(name,argSeparator,conditionSeparator) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
if(name) {
CToP.appendToken(mrow,'mo',name);
}
for(var j=0; j<bvars.length;j++){
var bvar = bvars[j];
if(j>0) {
CToP.appendToken(mrow,'mo',',');
}
var children = CToP.getChildren(bvar);
if(children.length){
CToP.applyTransform(mrow,children[0],0);
}
}
var conditions_mrow = CToP.createElement('mrow');
var conditions = false, children;
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='condition') {
conditions = true;
children = CToP.getChildren(qualifiers[i]);
for(var j=0;j<children.length;j++){
CToP.applyTransform(conditions_mrow,children[j],0);
}
}
}
if(conditions){
CToP.appendToken(mrow,'mo',conditionSeparator);
}
mrow.appendChild(conditions_mrow);
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName!='condition') {
CToP.appendToken(mrow,'mo','\u2208');
children = CToP.getChildren(qualifiers[i]);
for(var j=0;j<children.length;j++){
CToP.applyTransform(mrow,children[j],0);
}
}
}
if(args.length && (bvars.length||children.length)) {
CToP.appendToken(mrow,'mo',argSeparator);
}
for(var i=0; i<args.length;i++){
CToP.applyTransform(mrow,args[i],0);
}
parentNode.appendChild(mrow);
}
},
/** Transform a function application
*
* i.e. something which ends up looking like `f(x,y,z)`, where `f` is a string
*
* (function factory)
*/
fn: function(name) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
if(firstArg.childNodes.length){
CToP.applyTransform(mrow,firstArg,1);
} else {
CToP.appendToken(mrow,'mi',name);
}
CToP.appendToken(mrow,'mo','\u2061');
mrow.appendChild(CToP.createmfenced(args,'(',')'));
parentNode.appendChild(mrow);
}
},
/** Transform a min/max operation
*
* (function factory)
*/
minmax: function(name) {
return function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mi',name);
var mrow2 = CToP.createElement('mrow');
CToP.appendToken(mrow2,'mo','{');
for(var i=0;i<args.length;i++) {
if(i>0) {
CToP.appendToken(mrow2,'mo',',');
}
CToP.applyTransform(mrow2,args[i],0);
}
if(qualifiers.length) {
CToP.appendToken(mrow2,'mo','|');
for(var i=0;i<qualifiers.length;i++) {
CToP.applyTransform(mrow2,qualifiers[i],0);
}
}
CToP.appendToken(mrow2,'mo','}');
mrow.appendChild(mrow2);
parentNode.appendChild(mrow);
}
}
}
}
/* Functions to transform variable/atom tokens
*/
CToP.tokens = {
"ci": function(parentNode,contentMMLNode,precedence) {
if(contentMMLNode.childNodes.length==1 && contentMMLNode.childNodes[0].nodeType==document.TEXT_NODE) {
var mi = CToP.appendToken(parentNode,'mi',contentMMLNode.textContent);
var type = contentMMLNode.getAttribute('type');
if(type in CToP.settings.cistyles) {
mi.setAttribute('mathvariant',CToP.settings.cistyles[type]);
}
} else {
CToP.transforms.token('mi')(parentNode,contentMMLNode,precedence);
}
},
"cs": CToP.transforms.token('ms'),
"csymbol": function(parentNode,contentMMLNode,precedence) {
var cd = contentMMLNode.getAttribute('cd');
if(cd && CToP.contentDictionaries[cd]) {
CToP.contentDictionaries[cd](parentNode,contentMMLNode,precedence);
} else if(CToP.settings.symbols[name]){
CToP.appendToken(parentNode,'mi',CToP.settings.symbols[name]);
} else {
CToP.tokens['ci'](parentNode,contentMMLNode);
}
},
"fn": function(parentNode,contentMMLNode,precedence) {
CToP.applyTransform(parentNode,CToP.getChildren(contentMMLNode)[0],precedence);
},
"naturalnumbers": CToP.transforms.identifier('\u2115'),
"integers": CToP.transforms.identifier('\u2124'),
"reals": CToP.transforms.identifier('\u211D'),
"rationals": CToP.transforms.identifier('\u211A'),
"complexes": CToP.transforms.identifier('\u2102'),
"primes": CToP.transforms.identifier('\u2119'),
"exponentiale": CToP.transforms.identifier('e'),
"imaginaryi": CToP.transforms.identifier('i'),
"notanumber": CToP.transforms.identifier('NaN'),
"eulergamma": CToP.transforms.identifier('\u03B3'),
"gamma": CToP.transforms.identifier('\u0263'),
"pi": CToP.transforms.identifier('\u03C0'),
"infinity": CToP.transforms.identifier('\u221E'),
"emptyset": CToP.transforms.identifier('\u2205'),
"true": CToP.transforms.identifier('true'),
"false": CToP.transforms.identifier('false'),
'set': CToP.transforms.set('{','}'),
'list': CToP.transforms.set('(',')')
}
CToP.tokens['interval'] = function(parentNode,contentMMLNode,precedence) {
var closure = contentMMLNode.getAttribute('closure');
var open, close;
switch(closure) {
case 'open':
open = '(';
close = ')';
break;
case 'open-closed':
open = '(';
close = ']';
break;
case 'closed-open':
open = '[';
close = ')';
break;
case 'closed':
default:
open = '[';
close = ']';
}
parentNode.appendChild(CToP.createmfenced(CToP.getChildren(contentMMLNode),open,close));
}
CToP.tokens['apply'] = CToP.tokens['reln'] = CToP.tokens['bind'] = function(parentNode,contentMMLNode,precedence) {
var children = CToP.classifyChildren(contentMMLNode);
var firstArg=children.args[0];
var args = children.args.slice(1), bvars = children.bvars, qualifiers = children.qualifiers;
if(firstArg) {
var name = firstArg.localName;
name = (name=="csymbol") ? firstArg.textContent.toLowerCase() : name;
if(CToP.applyTokens[name]) {
CToP.applyTokens[name](parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
} else {
CToP.transforms.fn(name)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
} else {
parentNode.appendChild(CToP.createElement('mrow'));
}
}
CToP.tokens['cn'] = function(parentNode,contentMMLNode,precedence) {
var type = contentMMLNode.getAttribute("type");
var base = contentMMLNode.getAttribute("base");
if(type || base) {
if(base) {
type = 'based-integer';
}
switch(type) {
case 'integer':
case 'real':
case 'double':
case 'constant':
CToP.transforms.token('mn')(parentNode,contentMMLNode);
break;
case 'hexdouble':
CToP.appendToken(parentNode,'mn','0x'+contentMMLNode.textContent);
break;
default:
var apply = CToP.createElement('apply');
var mrow = CToP.createElement('mrow');
var c = CToP.createElement(type);
apply.appendChild(c);
if(base) {
CToP.appendToken(apply,'mn',base);
}
for(var j=0;j<contentMMLNode.childNodes.length; j++ ) {
if (contentMMLNode.childNodes[j].nodeType==document.TEXT_NODE) {
CToP.appendToken(mrow,'cn',contentMMLNode.childNodes[j].textContent);
}else if (contentMMLNode.childNodes[j].localName=='sep'){
apply.appendChild(mrow);
mrow = CToP.createElement('mrow');
} else {
mrow.appendChild(contentMMLNode.childNodes[j].cloneNode(true));
}
}
apply.appendChild(mrow);
CToP.applyTransform(parentNode,apply,0);
}
} else {
CToP.transforms.token('mn')(parentNode,contentMMLNode);
}
}
CToP.tokens['vector'] = function(parentNode,contentMMLNode,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','(');
var mtable = CToP.createElement('mtable');
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++) {
var mtr = CToP.createElement('mtr');
var mtd = CToP.createElement('mtd');
CToP.applyTransform(mtd,children[i],0);
mtr.appendChild(mtd);
mtable.appendChild(mtr);
}
mrow.appendChild(mtable);
CToP.appendToken(mrow,'mo',')');
parentNode.appendChild(mrow);
}
CToP.tokens['piecewise'] = function(parentNode,contentMMLNode,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','{');
var mtable = CToP.createElement('mtable');
mrow.appendChild(mtable);
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++){
CToP.applyTransform(mtable,children[i],0);
}
parentNode.appendChild(mrow);
}
CToP.tokens['piece'] = function(parentNode,contentMMLNode,precedence) {
var mtr = CToP.createElement('mtr');
var children = CToP.getChildren(contentMMLNode);
for(i=0;i<children.length;i++){
var mtd = CToP.createElement('mtd');
mtr.appendChild(mtd);
CToP.applyTransform(mtd,children[i],0);
if(i==0){
var mtd = CToP.createElement('mtd');
CToP.appendToken(mtd,"mtext","\u00A0if\u00A0");
mtr.appendChild(mtd);
}
}
parentNode.appendChild(mtr);
}
CToP.tokens['otherwise'] = function(parentNode,contentMMLNode,precedence) {
var mtr = CToP.createElement('mtr');
var children = CToP.getChildren(contentMMLNode);
if(children.length){
var mtd = CToP.createElement('mtd');
mtr.appendChild(mtd);
CToP.applyTransform(mtd,children[0],0);
var mtd = CToP.createElement('mtd');
mtd.setAttribute('columnspan','2');
CToP.appendToken(mtd,"mtext","\u00A0otherwise");
mtr.appendChild(mtd);
}
parentNode.appendChild(mtr);
}
CToP.tokens['matrix'] = function(parentNode,contentMMLNode,precedence) {
var children = CToP.classifyChildren(contentMMLNode);
var args = children.args, bvars = children.bvars, qualifiers = children.qualifiers;
if(bvars.length || qualifiers.length) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,"mo","[");
var msub = CToP.createElement('msub');
CToP.appendToken(msub,'mi','m');
var mrow2 = CToP.createElement('mrow');
for(var i=0;i<bvars.length;i++){
if(i!=0){
CToP.appendToken(mrow2,'mo',',');
}
CToP.applyTransform(mrow2,bvars[i].childNodes[0],0);
}
msub.appendChild(mrow2);
mrow.appendChild(msub);
var msub2 = msub.cloneNode(true);
CToP.appendToken(mrow,'mo','|');
mrow.appendChild(msub2);
CToP.appendToken(mrow,'mo','=');
for(var i=0;i<args.length;i++){
if(i!=0){
CToP.appendToken(mrow,'mo',',');
}
CToP.applyTransform(mrow,args[i],0);
}
CToP.appendToken(mrow,'mo',';');
for(var i=0;i<qualifiers.length;i++){
if(i!=0){
CToP.appendToken(mrow,'mo',',');
}
CToP.applyTransform(mrow,qualifiers[i],0);
}
CToP.appendToken(mrow,'mo',']');
parentNode.appendChild(mrow);
} else {
var mfenced = CToP.createElement('mfenced');
var mtable = CToP.createElement('mtable');
for(var i=0;i<args.length;i++){
CToP.applyTransform(mtable,args[i],0);
}
mfenced.appendChild(mtable);
parentNode.appendChild(mfenced);
}
}
CToP.tokens['matrixrow'] = function(parentNode,contentMMLNode,precedence) {
var mtr = CToP.createElement('mtr');
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++){
var mtd = CToP.createElement('mtd');
CToP.applyTransform(mtd,children[i],0);
mtr.appendChild(mtd);
}
parentNode.appendChild(mtr);
}
CToP.tokens['condition'] = function(parentNode,contentMMLNode,precedence) {
var mrow = CToP.createElement('mrow');
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++){
CToP.applyTransform(mrow,children[i],0);
}
parentNode.appendChild(mrow);
}
CToP.tokens['lambda'] = function(parentNode,contentMMLNode,precedence) {
var firstArg = CToP.createElement('lambda');
var children = CToP.classifyChildren(contentMMLNode);
var args = children.args, bvars = children.bvars, qualifiers = children.qualifiers;
if(bvars.length){
CToP.applyTokens["lambda"](parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
} else {
var mrow=CToP.createElement('mrow');
for(var i=0;i<args.length;i++){
CToP.applyTransform(mrow,args[i],0);
}
if(qualifiers.length){
var msub = CToP.createElement('msub');
CToP.appendToken(msub,'mo','|');
var mrow2 = CToP.createElement('mrow');
for(var i=0;i<qualifiers.length;i++){
var children = CToP.getChildren(qualifiers[i]);
for(var j=0;j<children.length;j++){
CToP.applyTransform(mrow2,children[j],0);
}
}
msub.appendChild(mrow2);
mrow.appendChild(msub);
}
parentNode.appendChild(mrow);
}
}
CToP.tokens["ident"] = function(parentNode,contentMMLNode,precedence) {
CToP.appendToken(parentNode,"mi","id")
}
CToP.tokens["domainofapplication"] = function(parentNode,contentMMLNode,precedence) {
var merror = CToP.createElement('merror');
CToP.appendToken(merror,'mtext','unexpected domainofapplication');
parentNode.appendChild(merror);
}
CToP.tokens["share"] = function(parentNode,contentMMLNode,precedence) {
var mi = CToP.createElement('mi');
mi.setAttribute('href',contentMMLNode.getAttribute('href'));
mi.textContent = "Share " + contentMMLNode.getAttribute('href');
parentNode.appendChild(mi);
}
CToP.tokens["cerror"] = function(parentNode,contentMMLNode,precedence) {
var merror = CToP.createElement('merror');
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++){
CToP.applyTransform(merror,children[i],0);
}
parentNode.appendChild(merror);
}
CToP.tokens["semantics"] = function(parentNode,contentMMLNode,precedence) {
var mrow = CToP.createElement('mrow');
var children = CToP.getChildren(contentMMLNode);
if(children.length){
var z = children[0];
for(var i=0;i<children.length;i++){
if(children[i].localName=='annotation-xml' && children[i].getAttribute('encoding')=='MathML-Presentation'){
z = children[i];
break;
}
}
CToP.applyTransform(mrow,z,0);
}
parentNode.appendChild(mrow);
}
CToP.tokens["annotation-xml"] = function(parentNode,contentMMLNode,precedence) {
var mrow = CToP.createElement('mrow');
var children = CToP.getChildren(contentMMLNode);
for(var i=0;i<children.length;i++){
CToP.applyTransform(mrow,children[i],0);
}
parentNode.appendChild(mrow);
}
CToP.contentDictionaries = {
"setname1": function(parentNode,contentMMLNode,precedence) {
var sets = {
"C": '\u2102',
"N": '\u2115',
"P": '\u2119',
"Q": '\u211A',
"R": '\u211D',
"Z": '\u2124'
}
var name = contentMMLNode.textContent;
CToP.appendToken(parentNode,'mi',sets[name]);
},
"aritherror": function(parentNode,contentMMLNode,precedence) {
var name = contentMMLNode.textContent;
CToP.appendToken(parentNode,'mi',name+':');
}
}
/* Functions to transform function/operation application tokens
*/
CToP.applyTokens = {
"rem": CToP.transforms.binary('mod',3),
"divide": CToP.transforms.binary('/',3),
"remainder": CToP.transforms.binary('mod',3),
"implies": CToP.transforms.binary('\u21D2',3),
"factorof": CToP.transforms.binary('|',3),
"in": CToP.transforms.binary('\u2208',3),
"notin": CToP.transforms.binary('\u2209',3),
"notsubset": CToP.transforms.binary('\u2288',2),
"notprsubset": CToP.transforms.binary('\u2284',2),
"setdiff": CToP.transforms.binary('\u2216',2),
"eq": CToP.transforms.infix('=',1),
"compose": CToP.transforms.infix('\u2218',0),
"left_compose": CToP.transforms.infix('\u2218',1),
"xor": CToP.transforms.infix('xor',3),
"neq": CToP.transforms.infix('\u2260',1),
"gt": CToP.transforms.infix('>',1),
"lt": CToP.transforms.infix('<',1),
"geq": CToP.transforms.infix('\u2265',1),
"leq": CToP.transforms.infix('\u2264',1),
"equivalent": CToP.transforms.infix('\u2261',1),
"approx": CToP.transforms.infix('\u2248',1),
"subset": CToP.transforms.infix('\u2286',2),
"prsubset": CToP.transforms.infix('\u2282',2),
"cartesianproduct": CToP.transforms.infix('\u00D7',2),
"cartesian_product": CToP.transforms.infix('\u00D7',2),
"vectorproduct": CToP.transforms.infix('\u00D7',2),
"scalarproduct": CToP.transforms.infix('.',2),
"outerproduct": CToP.transforms.infix('\u2297',2),
"sum": CToP.transforms.iteration('\u2211','='),
"product": CToP.transforms.iteration('\u220F','='),
"forall": CToP.transforms.bind('\u2200','.',','),
"exists": CToP.transforms.bind('\u2203','.',','),
"lambda": CToP.transforms.bind('\u03BB','.',','),
"limit": CToP.transforms.iteration('lim','\u2192'),
"sdev": CToP.transforms.fn('\u03c3'),
"determinant": CToP.transforms.fn('det'),
"max": CToP.transforms.minmax('max'),
"min": CToP.transforms.minmax('min'),
"real": CToP.transforms.fn('\u211b'),
"imaginary": CToP.transforms.fn('\u2111'),
"set": CToP.transforms.set('{','}'),
"list": CToP.transforms.set('(',')')
}
CToP.applyTokens['exp'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msup = CToP.createElement('msup');
CToP.appendToken(msup,'mi','e');
CToP.applyTransform(msup,args[0],0);
parentNode.appendChild(msup);
}
CToP.applyTokens['union'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length) {
CToP.transforms.iteration('\u22C3','=')(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
} else {
CToP.transforms.infix('\u222A',2)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
}
CToP.applyTokens['intersect'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length) {
CToP.transforms.iteration('\u22C2','=')(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
} else {
var mrow = CToP.createElement('mrow');
var needsBrackets = precedence>2;
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
for(var j=0;j<args.length; j++ ) {
var argBrackets = false;
if(j>0) {
CToP.appendToken(mrow,'mo','\u2229');
if(args[j].localName=='apply') {
var child = CToP.getChildren(args[j])[0];
argBrackets = child.localName == 'union';
}
}
if(argBrackets) {
CToP.appendToken(mrow,'mo','(');
}
CToP.applyTransform(mrow,args[j],2);
if(argBrackets) {
CToP.appendToken(mrow,'mo',')');
}
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
}
CToP.applyTokens['floor'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u230a');
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','\u230b');
parentNode.appendChild(mrow);
}
CToP.applyTokens['conjugate'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mover = CToP.createElement('mover');
CToP.applyTransform(mover,args[0],0);
CToP.appendToken(mover,'mo','\u00af');
parentNode.appendChild(mover);
}
CToP.applyTokens['abs'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','|');
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','|');
parentNode.appendChild(mrow);
}
CToP.applyTokens['and'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length || qualifiers.length) {
CToP.transforms.iteration('\u22c0','=')(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,4);
} else {
CToP.transforms.infix('\u2227',2)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
}
CToP.applyTokens['or'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length || qualifiers.length) {
CToP.transforms.iteration('\u22c1','=')(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,4);
} else {
CToP.transforms.infix('\u2228',2)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
}
CToP.applyTokens['xor'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length || qualifiers.length) {
CToP.transforms.iteration('xor','=')(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,4);
} else {
CToP.transforms.infix('xor',2)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
}
CToP.applyTokens['card'] = CToP.applyTokens['size'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','|');
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','|');
parentNode.appendChild(mrow);
}
CToP.applyTokens['mean'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(args.length==1) {
var mover = CToP.createElement('mover');
CToP.applyTransform(mover,args[0],0);
CToP.appendToken(mover,'mo','\u00af');
parentNode.appendChild(mover);
} else {
parentNode.appendChild(CToP.createmfenced(args,'\u27e8','\u27e9'));
}
}
CToP.applyTokens['moment'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var degree,momentabout;
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='degree') {
degree = qualifiers[i];
} else if(qualifiers[i].localName=='momentabout') {
momentabout = qualifiers[i];
}
}
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u27e8');
var argrow = CToP.createElement('mrow');
if(args.length>1) {
argrow.appendChild(CToP.createmfenced(args,'(',')'));
} else {
CToP.applyTransform(argrow,args[0],0);
}
if(degree) {
var msup = CToP.createElement('msup');
msup.appendChild(argrow);
var children = CToP.getChildren(degree);
for(var j=0;j<children.length;j++){
CToP.applyTransform(msup,children[j],0);
}
mrow.appendChild(msup);
} else {
mrow.appendChild(argrow);
}
CToP.appendToken(mrow,'mo','\u27e9');
if(momentabout) {
var msub = CToP.createElement('msub');
msub.appendChild(mrow);
var children = CToP.getChildren(momentabout);
for(var j=0;j<children.length;j++){
CToP.applyTransform(msub,children[j],0);
}
parentNode.appendChild(msub);
} else {
parentNode.appendChild(mrow);
}
}
CToP.applyTokens['variance'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var msup = CToP.createElement('msup');
CToP.appendToken(msup,'mo','\u03c3');
CToP.appendToken(msup,'mn','2');
mrow.appendChild(msup);
CToP.appendToken(mrow,'mo','\u2061');
mrow.appendChild(CToP.createmfenced(args,'(',')'));
parentNode.appendChild(mrow);
}
CToP.applyTokens['grad'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u2207');
CToP.appendToken(mrow,'mo','\u2061');
mrow.appendChild(CToP.createmfenced(args,'(',')'));
parentNode.appendChild(mrow);
};
CToP.applyTokens['laplacian'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var msup = CToP.createElement('msup');
CToP.appendToken(msup,'mo','\u2207');
CToP.appendToken(msup,'mn','2');
mrow.appendChild(msup);
CToP.appendToken(mrow,'mo','\u2061');
mrow.appendChild(CToP.createmfenced(args,'(',')'));
parentNode.appendChild(mrow);
};
CToP.applyTokens['curl'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u2207');
CToP.appendToken(mrow,'mo','\u00d7');
var needsBrackets = args[0].localName == 'apply';
if(needsBrackets) {
mrow.appendChild(CToP.createmfenced(args,'(', ')'));
}
else {
CToP.applyTransform(mrow,args[0],precedence);
}
parentNode.appendChild(mrow);
};
CToP.applyTokens['divergence'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u2207');
CToP.appendToken(mrow,'mo','\u22c5');
var needsBrackets = args[0].localName == 'apply';
if(needsBrackets) {
mrow.appendChild(CToP.createmfenced(args,'(', ')'));
}
else {
CToP.applyTransform(mrow,args[0],precedence);
}
parentNode.appendChild(mrow);
};
CToP.applyTokens['not'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u00ac');
var needsBrackets = args[0].localName=='apply' || args[0].localName=='bind';
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
CToP.applyTransform(mrow,args[0],precedence);
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow)
}
CToP.applyTokens['divide'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mfrac = CToP.createElement('mfrac');
CToP.applyTransform(mfrac,args[0],0);
CToP.applyTransform(mfrac,args[1],0);
parentNode.appendChild(mfrac);
}
CToP.applyTokens['tendsto'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var type;
if(firstArg.localName=='tendsto') {
type = firstArg.getAttribute('type');
} else {
type = args[0].textContent;
args = args.slice(1);
}
var name = (type=='above')? '\u2198' :
(type=='below') ? '\u2197' : '\u2192' ;
CToP.transforms.binary(name,2)(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence);
}
CToP.applyTokens['minus'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var tokenPrecedence = args.length==1 ? 5 : 2;
var mrow = CToP.createElement('mrow');
var needsBrackets = tokenPrecedence<precedence;
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
if(args.length==1) {
CToP.appendToken(mrow,'mo','-');
CToP.applyTransform(mrow,args[0],tokenPrecedence);
} else {
CToP.applyTransform(mrow,args[0],tokenPrecedence);
CToP.appendToken(mrow,'mo','-');
var bracketArg;
if(args[1].localName=='apply') {
var argOp = CToP.getChildren(args[1])[0];
bracketArg = argOp.localName=='plus' || argOp.localName=='minus';
}
if(bracketArg) {
CToP.appendToken(mrow,'mo','(');
}
CToP.applyTransform(mrow,args[1],tokenPrecedence);
if(bracketArg) {
CToP.appendToken(mrow,'mo',')');
}
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
CToP.applyTokens['complex-cartesian'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','+');
CToP.applyTransform(mrow,args[1],0);
CToP.appendToken(mrow,'mo','\u2062');
CToP.appendToken(mrow,'mi','i');
parentNode.appendChild(mrow);
}
CToP.applyTokens['complex-polar'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','\u2062');
var msup = CToP.createElement('msup');
CToP.appendToken(msup,'mi','e');
var exponent = CToP.createElement('mrow');
CToP.applyTransform(exponent,args[1],0);
CToP.appendToken(exponent,'mo','\u2062');
CToP.appendToken(exponent,'mi','i');
msup.appendChild(exponent);
mrow.appendChild(msup);
parentNode.appendChild(mrow);
}
CToP.applyTokens['integer'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
CToP.applyTransform(parentNode,args[0],0);
}
CToP.applyTokens['based-integer'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msub = CToP.createElement('msub');
CToP.applyTransform(msub,args[1],0);
CToP.applyTransform(msub,args[0],0);
parentNode.appendChild(msub);
}
CToP.applyTokens['rational'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mfrac = CToP.createElement('mfrac');
CToP.applyTransform(mfrac,args[0],0);
CToP.applyTransform(mfrac,args[1],0);
parentNode.appendChild(mfrac);
}
CToP.applyTokens['times'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var needsBrackets = precedence>3;
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
for(var j=0;j<args.length; j++ ) {
if(j>0) {
CToP.appendToken(mrow,'mo',(args[j].localName=='cn') ? "\u00D7" :"\u2062");
}
CToP.applyTransform(mrow,args[j],3);
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
CToP.applyTokens["plus"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var needsBrackets = precedence>2;
if(needsBrackets) {
CToP.appendToken(mrow,'mo','(');
}
for(var j=0;j<args.length; j++ ) {
var arg = args[j];
var children = CToP.getChildren(arg);
if(j>0) {
var n;
if(CToP.settings.collapsePlusMinus) {
if(arg.localName=='cn' && !(children.length) && (n=Number(arg.textContent)) <0) {
CToP.appendToken(mrow,'mo','\u2212');
CToP.appendToken(mrow,'mn', -n);
} else if(arg.localName=='apply' && children.length==2 && children[0].localName=='minus') {
CToP.appendToken(mrow,'mo','\u2212');
CToP.applyTransform(mrow,children[1],2);
} else if(arg.localName=='apply' && children.length>2 && children[0].localName=='times' && children[1].localName=='cn' && ( n=Number(children[1].textContent) < 0)) {
CToP.appendToken(mrow,'mo','\u2212');
children[1].textContent=-n;// fix me: modifying document
CToP.applyTransform(mrow,arg,2);
} else{
CToP.appendToken(mrow,'mo','+');
CToP.applyTransform(mrow,arg,2);
}
} else {
CToP.appendToken(mrow,'mo','+');
CToP.applyTransform(mrow,arg,2);
}
} else {
CToP.applyTransform(mrow,arg,2);
}
}
if(needsBrackets) {
CToP.appendToken(mrow,'mo',')');
}
parentNode.appendChild(mrow);
}
CToP.applyTokens['transpose'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msup = CToP.createElement('msup');
CToP.applyTransform(msup,args[0],precedence);
CToP.appendToken(msup,'mi','T');
parentNode.appendChild(msup);
}
CToP.applyTokens['power'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msup = CToP.createElement('msup');
CToP.applyTransform(msup,args[0],3);
CToP.applyTransform(msup,args[1],precedence);
parentNode.appendChild(msup);
}
CToP.applyTokens['selector'] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msub = CToP.createElement('msub');
var mrow = args ? args[0]: CToP.createElement('mrow');
CToP.applyTransform(msub,mrow,0);
var mrow2 = CToP.createElement('mrow');
for(var i=1;i<args.length;i++){
if(i!=1){
CToP.appendToken(mrow2,'mo',',');
}
CToP.applyTransform(mrow2,args[i],0);
}
msub.appendChild(mrow2);
parentNode.appendChild(msub);
}
CToP.applyTokens["log"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var mi = CToP.createElement('mi');
mi.textContent = 'log';
if(qualifiers.length && qualifiers[0].localName=='logbase'){
var msub = CToP.createElement('msub');
msub.appendChild(mi);
CToP.applyTransform(msub,CToP.getChildren(qualifiers[0])[0],0);
mrow.appendChild(msub);
} else {
mrow.appendChild(mi);
}
CToP.applyTransform(mrow,args[0],7);
parentNode.appendChild(mrow);
}
CToP.applyTokens["int"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
var mo = CToP.createElement('mo');
mo.textContent='\u222B';
var msubsup = CToP.createElement('msubsup');
msubsup.appendChild(mo);
var mrow1 = CToP.createElement('mrow');
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='lowlimit'||
qualifiers[i].localName=='condition'||
qualifiers[i].localName=='domainofapplication')
{
var children = CToP.getChildren(qualifiers[i]);
for(var j=0;j<children.length;j++){
CToP.applyTransform(mrow1,children[j],0);
}
} else {
var children = CToP.getChildren(qualifiers[i]);
if (qualifiers[i].localName=='interval' && children.length==2) {
CToP.applyTransform(mrow1,children[0],0);
}
}
}
msubsup.appendChild(mrow1);
var mrow2 = CToP.createElement('mrow');
for(var i=0; i<qualifiers.length;i++){
if(qualifiers[i].localName=='uplimit'){
var children = CToP.getChildren(qualifiers[i]);
for(j=0;j<children.length;j++){
CToP.applyTransform(mrow2,children[j],0);
}
break;
} else if(qualifiers[i].localName=='interval' ){
var children = CToP.getChildren(qualifiers[i]);
CToP.applyTransform(mrow2,children[children.length-1],0);
break;
}
}
msubsup.appendChild(mrow2);
mrow.appendChild(msubsup);
for(var i=0; i<args.length;i++){
CToP.applyTransform(mrow,args[i],0);
}
for(var i=0; i<bvars.length;i++){
var bvar = bvars[i];
var children = CToP.getChildren(bvar);
if(children.length){
var mrow3 = CToP.createElement("mrow");
CToP.appendToken(mrow3,'mi','d');
CToP.applyTransform(mrow3,children[0],0);
mrow.appendChild(mrow3);
}
}
parentNode.appendChild(mrow);
}
CToP.applyTokens["inverse"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var msup = CToP.createElement('msup');
var arg = (args.length) ? args[0] : CToP.createElement('mrow');
CToP.applyTransform(msup,arg,precedence);
var mfenced = CToP.createElement('mfenced');
CToP.appendToken(mfenced,'mn','-1');
msup.appendChild(mfenced);
parentNode.appendChild(msup);
}
CToP.applyTokens["quotient"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.appendToken(mrow,'mo','\u230A');
if(args.length) {
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(mrow,'mo','/');
if(args.length>1){
CToP.applyTransform(mrow,args[1],0);
}
}
CToP.appendToken(mrow,'mo','\u230B');
parentNode.appendChild(mrow);
}
CToP.applyTokens["factorial"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mrow = CToP.createElement('mrow');
CToP.applyTransform(mrow,args[0],4);
CToP.appendToken(mrow,'mo','!');
parentNode.appendChild(mrow);
}
CToP.applyTokens["root"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var mr;
if(firstArg.localName=='root' && (qualifiers.length==0 || (qualifiers[0].localName=='degree' && qualifiers[0].textContent=='2'))){
mr = CToP.createElement('msqrt');
for(var i=0;i<args.length;i++){
CToP.applyTransform(mr,args[i],0);
}
} else {
mr = CToP.createElement('mroot');
CToP.applyTransform(mr,args[0],0);
var arg = (firstArg.localName=='root') ? qualifiers[0].childNodes[0] : args[1];
CToP.applyTransform(mr,arg,0);
}
parentNode.appendChild(mr);
}
CToP.applyTokens["diff"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
if(bvars.length){ // d/dx form
var outNode;
var mfrac = CToP.createElement('mfrac');
var toprow = CToP.createElement('mrow');
var bottomrow = CToP.createElement('mrow');
mfrac.appendChild(toprow);
mfrac.appendChild(bottomrow);
var bvar;
var degreeNode;
var d = CToP.createElement('mi');
d.textContent = 'd';
var children = CToP.getChildren(bvars[0]);
for(var j=0;j<children.length;j++){
if(children[j].localName=='degree'){
var childNode = CToP.getChildren(children[j])[0];
if(childNode.textContent!='1'){
degreeNode = childNode;
var msup = CToP.createElement('msup');
msup.appendChild(d);
d = msup;
CToP.applyTransform(d,degreeNode,0);
}
} else {
bvar = children[j];
}
}
toprow.appendChild(d);
if(args.length){
switch(args[0].localName) {
case 'apply':
case 'bind':
case 'reln':
var mrow = CToP.createElement('mrow');
mrow.appendChild(mfrac);
CToP.applyTransform(mrow,args[0],3);
outNode = mrow;
break;
default:
CToP.applyTransform(toprow,args[0],0);
outNode = mfrac;
}
}
CToP.appendToken(bottomrow,'mi','d');
if(degreeNode){
var msup2 = CToP.createElement('msup');
CToP.applyTransform(msup2,bvar,0);
CToP.applyTransform(msup2,degreeNode,0);
bottomrow.appendChild(msup2);
} else {
CToP.applyTransform(bottomrow,bvar,0);
}
parentNode.appendChild(outNode);
} else { // f' form
var msup = CToP.createElement('msup');
var mrow = CToP.createElement('mrow');
msup.appendChild(mrow);
CToP.applyTransform(mrow,args[0],0);
CToP.appendToken(m,'mo','\u2032'); // tick
parentNode.appendChild(msup);
}
}
CToP.applyTokens["partialdiff"] = function(parentNode,contentMMLNode,firstArg,args,bvars,qualifiers,precedence) {
var m, mi, msup, mrow, mo, z;
var mfrac = CToP.createElement('mfrac');
var toprow = CToP.createElement('mrow');
var bottomrow = CToP.createElement('mrow');
mfrac.appendChild(toprow);
mfrac.appendChild(bottomrow);
var degreeNode, differendNode;
if(bvars.length==0 && args.length==2 && args[0].localName=='list'){
if(args[1].localName=='lambda') { // `d^(n+m)/(dx^n dy^m) f` form, through a lambda
var degree = CToP.getChildren(args[0]).length;
if(degree!=1) {
msup = CToP.createElement('msup');
CToP.appendToken(msup,'mo','\u2202'); // curly d
CToP.appendToken(msup,'mn',degree);
toprow.appendChild(msup);
} else {
CToP.appendToken(toprow,'mo','\u2202');
}
var children = CToP.getChildren(args[1]);
differendNode = children[children.length - 1]; // thing being differentiated
var bvarNames = [];
var lambdaChildren = CToP.getChildren(args[1]); // names of bound variables
var lambdaSequence = CToP.getChildren(args[0]); // indices of bound variable names, in order
for(var i=0;i<lambdaChildren.length;i++){
if(lambdaChildren[i].localName=='bvar'){
bvarNames.push(CToP.getChildren(lambdaChildren[i])[0]);
}
}
var lastN = null, degree = 0;
function addDiff(n,degree) {
CToP.appendToken(bottomrow,'mo','\u2202');
var bvar = bvarNames[n];
if(degree>1) {
var msup = CToP.createElement('msup');
CToP.applyTransform(msup,bvar,0);
CToP.appendToken(msup,'mn',degree);
bottomrow.appendChild(msup);
} else {
CToP.applyTransform(bottomrow,bvar,0);
}
}
for(var i=0;i<lambdaSequence.length;i++){
var n = Number(lambdaSequence[i].textContent)-1;
if(lastN!==null && n!=lastN) {
addDiff(lastN,degree);
degree = 0;
}
lastN = n;
degree += 1;
}
if(lastN) {
addDiff(lastN,degree);
}
} else { // `D_i_j f` form
var mrow = CToP.createElement('mrow');
var msub = CToP.createElement('msub');
CToP.appendToken(msub,'mi','D');
var bvar = CToP.getChildren(args[0]);
msub.appendChild(CToP.createmfenced(bvar,'',''));
mrow.appendChild(msub);
CToP.applyTransform(mrow,args[1],0);
parentNode.appendChild(mrow);
return;
}
} else { // `d^(n+m)/(dx^n dy^m) f` form, with bvars
var msup = CToP.createElement('msup');
toprow.appendChild(msup);
CToP.appendToken(msup,'mo','\u2202');
var degreeRow = CToP.createElement('mrow');
msup.appendChild(degreeRow);
var qualifier;
if(qualifiers.length && qualifiers[0].localName=='degree' && CToP.getChildren(qualifiers[0]).length){
qualifier = CToP.getChildren(qualifiers[0])[0];
CToP.applyTransform(degreeRow,qualifier,0);
} else {
var degree = 0;
var hadFirst = false;
for(var i=0;i<bvars.length;i++){
var children = CToP.getChildren(bvars[i]);
if(children.length==2){
for(j=0;j<2;j++){
if(children[j].localName=='degree') {
if(/^\s*\d+\s*$/.test(children[j].textContent)){
degree += Number(children[j].textContent);
} else {
if(hadFirst){
CToP.appendToken(degreeRow,'mo','+');
}
hadFirst = true;
CToP.applyTransform(degreeRow,CToP.getChildren(children[j])[0],0);
}
}
}
} else {
degree++;
}
}
if(degree>0){
if(hadFirst){
CToP.appendToken(degreeRow,'mo','+');
}
CToP.appendToken(degreeRow,'mn',degree);
}
}
if(args.length){
differendNode = args[0];
}
for(var i=0;i<bvars.length;i++){
CToP.appendToken(bottomrow,'mo','\u2202');
var children = CToP.getChildren(bvars[i]);
if(children.length==2){
for(j=0;j<2;j++){
if(children[j].localName=='degree'){
var msup2 = CToP.createElement('msup');
CToP.applyTransform(msup2,children[1-j],0);
var bvarDegreeNode = CToP.getChildren(children[j])[0];
CToP.applyTransform(msup2,bvarDegreeNode,0);
bottomrow.appendChild(msup2);
}
}
} else if(children.length==1) {
CToP.applyTransform(bottomrow,children[0],0);
}
}
}
if(differendNode) {
switch(differendNode.localName) {
case 'apply':
case 'bind':
case 'reln':
var mrow = CToP.createElement('mrow');
mrow.appendChild(mfrac);
CToP.applyTransform(mrow,differendNode,3);
outNode = mrow;
break;
default:
CToP.applyTransform(toprow,differendNode,0);
outNode = mfrac;
}
} else {
outNode = mfrac;
}
parentNode.appendChild(outNode);
}
return CToP;
})();
MathJax.Hub.Register.StartupHook("MathML Jax Ready",function () {
var MATHML = MathJax.InputJax.MathML,
PARSE = MATHML.Parse.prototype;
var CToP = MathJax.Extension["MathML/content-mathml"];
MATHML.DOMfilterHooks.Add(function (data) {
data.math = CToP.transformElement(data.math);
});
MathJax.Hub.Startup.signal.Post("MathML content-mathml Ready");
});
MathJax.Ajax.loadComplete("[MathJax]/extensions/MathML/content-mathml.js");