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Merge pull request #1551 from dpvc/issue1087

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Allow <wbr> in TeX code (just like <br>).  #1087
This commit is contained in:
Davide P. Cervone 2016-07-23 15:57:34 -04:00 committed by GitHub
commit 62737984e8
2 changed files with 41 additions and 31 deletions
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35
unpacked/extensions/asciimath2jax.js
View File

@ -48,12 +48,21 @@ MathJax.Extension.asciimath2jax = {
// are ignored. Note that this is a regular expression,
// so be sure to quote any regexp special characters
preview: "AsciiMath" // set to "none" to not insert MathJax_Preview spans
preview: "AsciiMath" // set to "none" to not insert MathJax_Preview spans
// or set to an array specifying an HTML snippet
// to use the same preview for every equation.
},
//
// Tags to ignore when searching for AsciiMath in the page
//
ignoreTags: {
br: (MathJax.Hub.Browser.isMSIE && document.documentMode < 9 ? "\n" : " "),
wbr: "",
"#comment": ""
},
PreProcess: function (element) {
if (!this.configured) {
this.config = MathJax.Hub.CombineConfig("asciimath2jax",this.config);
@ -132,8 +141,7 @@ MathJax.Extension.asciimath2jax = {
if (this.search.matched) {element = this.encloseMath(element)}
if (element) {
do {prev = element; element = element.nextSibling}
while (element && (element.nodeName.toLowerCase() === 'br' ||
element.nodeName.toLowerCase() === '#comment'));
while (element && this.ignoreTags[element.nodeName.toLowerCase()] != null);
if (!element || element.nodeName !== '#text') {return prev}
}
}
@ -172,25 +180,24 @@ MathJax.Extension.asciimath2jax = {
},
encloseMath: function (element) {
var search = this.search, close = search.close, CLOSE, math;
var search = this.search, close = search.close, CLOSE, math, next;
if (search.cpos === close.length) {close = close.nextSibling}
else {close = close.splitText(search.cpos)}
if (!close) {CLOSE = close = MathJax.HTML.addText(search.close.parentNode,"")}
search.close = close;
math = (search.opos ? search.open.splitText(search.opos) : search.open);
while (math.nextSibling && math.nextSibling !== close) {
if (math.nextSibling.nodeValue !== null) {
if (math.nextSibling.nodeName === "#comment") {
math.nodeValue += math.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1");
while ((next = math.nextSibling) && next !== close) {
if (next.nodeValue !== null) {
if (next.nodeName === "#comment") {
math.nodeValue += next.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1");
} else {
math.nodeValue += math.nextSibling.nodeValue;
}
} else if (this.msieNewlineBug) {
math.nodeValue += (math.nextSibling.nodeName.toLowerCase() === "br" ? "\n" : " ");
} else {
math.nodeValue += " ";
var ignore = this.ignoreTags[next.nodeName.toLowerCase()];
math.nodeValue += (ignore == null ? " " : ignore);
}
math.parentNode.removeChild(math.nextSibling);
math.parentNode.removeChild(next);
}
var AM = math.nodeValue.substr(search.olen,math.nodeValue.length-search.olen-search.clen);
math.parentNode.removeChild(math);
@ -226,9 +233,7 @@ MathJax.Extension.asciimath2jax = {
return script;
},
filterPreview: function (asciimath) {return asciimath},
msieNewlineBug: (MathJax.Hub.Browser.isMSIE && (document.documentMode||0) < 9)
filterPreview: function (asciimath) {return asciimath}
};

37
unpacked/extensions/tex2jax.js
View File

@ -72,6 +72,15 @@ MathJax.Extension.tex2jax = {
},
//
// Tags to ignore when searching for TeX in the page
//
ignoreTags: {
br: (MathJax.Hub.Browser.isMSIE && document.documentMode < 9 ? "\n" : " "),
wbr: "",
"#comment": ""
},
PreProcess: function (element) {
if (!this.configured) {
this.config = MathJax.Hub.CombineConfig("tex2jax",this.config);
@ -164,8 +173,7 @@ MathJax.Extension.tex2jax = {
if (this.search.matched) {element = this.encloseMath(element)}
if (element) {
do {prev = element; element = element.nextSibling}
while (element && (element.nodeName.toLowerCase() === 'br' ||
element.nodeName.toLowerCase() === '#comment'));
while (element && this.ignoreTags[element.nodeName.toLowerCase()] != null);
if (!element || element.nodeName !== '#text')
{return (this.search.close ? this.prevEndMatch() : prev)}
}
@ -242,25 +250,24 @@ MathJax.Extension.tex2jax = {
},
encloseMath: function (element) {
var search = this.search, close = search.close, CLOSE, math;
var search = this.search, close = search.close, CLOSE, math, next;
if (search.cpos === close.length) {close = close.nextSibling}
else {close = close.splitText(search.cpos)}
if (!close) {CLOSE = close = MathJax.HTML.addText(search.close.parentNode,"")}
search.close = close;
math = (search.opos ? search.open.splitText(search.opos) : search.open);
while (math.nextSibling && math.nextSibling !== close) {
if (math.nextSibling.nodeValue !== null) {
if (math.nextSibling.nodeName === "#comment") {
math.nodeValue += math.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1");
while ((next = math.nextSibling) && next !== close) {
if (next.nodeValue !== null) {
if (next.nodeName === "#comment") {
math.nodeValue += next.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1");
} else {
math.nodeValue += math.nextSibling.nodeValue;
math.nodeValue += next.nodeValue;
}
} else if (this.msieNewlineBug) {
math.nodeValue += (math.nextSibling.nodeName.toLowerCase() === "br" ? "\n" : " ");
} else {
math.nodeValue += " ";
var ignore = this.ignoreTags[next.nodeName.toLowerCase()];
math.nodeValue += (ignore == null ? " " : ignore);
}
math.parentNode.removeChild(math.nextSibling);
math.parentNode.removeChild(next);
}
var TeX = math.nodeValue.substr(search.olen,math.nodeValue.length-search.olen-search.clen);
math.parentNode.removeChild(math);
@ -296,10 +303,8 @@ MathJax.Extension.tex2jax = {
return script;
},
filterPreview: function (tex) {return tex},
msieNewlineBug: (MathJax.Hub.Browser.isMSIE && document.documentMode < 9)
filterPreview: function (tex) {return tex}
};
// We register the preprocessors with the following priorities: