New ASCIIMath input jax based on David Lippman's contributed versions

extensions/asciimath2jax.js

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+/*
+ *  /MathJax/extensions/asciimath2jax.js
+ *  
+ *  Copyright (c) 2010 Design Science, Inc.
+ *
+ *  Part of the MathJax library.
+ *  See http://www.mathjax.org for details.
+ * 
+ *  Licensed under the Apache License, Version 2.0;
+ *  you may not use this file except in compliance with the License.
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+MathJax.Extension.asciimath2jax={version:"1.0",config:{delimiters:["`"],skipTags:["script","noscript","style","textarea","pre","code"],ignoreClass:"asciimath2jax_ignore",processClass:"asciimath2jax_process",preview:"AsciiMath"},PreProcess:function(a){if(!this.configured){this.config=MathJax.Hub.CombineConfig("asciimath2jax",this.config);if(this.config.Augment){MathJax.Hub.Insert(this,this.config.Augment)}this.configured=true}if(typeof(a)==="string"){a=document.getElementById(a)}if(!a){a=document.body}if(this.createPatterns()){this.scanElement(a,a.nextSibling)}},createPatterns:function(){var d=[],c,a,b=this.config;this.match={};if(b.delimiters.length===0){return false}for(c=0,a=b.delimiters.length;c<a;c++){d.push(this.patternQuote(b.delimiters[c]));this.match[b.delimiters[c]]={mode:"",end:b.delimiters[c],pattern:this.endPattern(b.delimiters[c])}}this.start=new RegExp(d.sort(this.sortLength).join("|"),"g");this.skipTags=new RegExp("^("+b.skipTags.join("|")+")$","i");this.ignoreClass=new RegExp("(^| )("+b.ignoreClass+")( |$)");this.processClass=new RegExp("(^| )("+b.processClass+")( |$)");return true},patternQuote:function(a){return a.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,"\\$1")},endPattern:function(a){return new RegExp(this.patternQuote(a)+"|\\\\.","g")},sortLength:function(d,c){if(d.length!==c.length){return c.length-d.length}return(d==c?0:(d<c?-1:1))},scanElement:function(c,b,g){var a,e,d,f;while(c&&c!=b){if(c.nodeName.toLowerCase()==="#text"){if(!g){c=this.scanText(c)}}else{a=(typeof(c.className)==="undefined"?"":c.className);e=(typeof(c.tagName)==="undefined"?"":c.tagName);if(typeof(a)!=="string"){a=String(a)}f=this.processClass.exec(a);if(c.firstChild&&!a.match(/(^| )MathJax/)&&(f||!this.skipTags.exec(e))){d=(g||this.ignoreClass.exec(a))&&!f;this.scanElement(c.firstChild,b,d)}}if(c){c=c.nextSibling}}},scanText:function(b){if(b.nodeValue.replace(/\s+/,"")==""){return b}var a,c;this.search={start:true};this.pattern=this.start;while(b){this.pattern.lastIndex=0;while(b&&b.nodeName.toLowerCase()==="#text"&&(a=this.pattern.exec(b.nodeValue))){if(this.search.start){b=this.startMatch(a,b)}else{b=this.endMatch(a,b)}}if(this.search.matched){b=this.encloseMath(b)}if(b){do{c=b;b=b.nextSibling}while(b&&(b.nodeName.toLowerCase()==="br"||b.nodeName.toLowerCase()==="#comment"));if(!b||b.nodeName!=="#text"){return c}}}return b},startMatch:function(a,b){var c=this.match[a[0]];if(c!=null){this.search={end:c.end,mode:c.mode,open:b,olen:a[0].length,opos:this.pattern.lastIndex-a[0].length};this.switchPattern(c.pattern)}return b},endMatch:function(a,b){if(a[0]==this.search.end){this.search.close=b;this.search.cpos=this.pattern.lastIndex;this.search.clen=(this.search.isBeginEnd?0:a[0].length);this.search.matched=true;b=this.encloseMath(b);this.switchPattern(this.start)}return b},switchPattern:function(a){a.lastIndex=this.pattern.lastIndex;this.pattern=a;this.search.start=(a===this.start)},encloseMath:function(b){var a=this.search,f=a.close,e,c;if(a.cpos===f.length){f=f.nextSibling}else{f=f.splitText(a.cpos)}if(!f){e=f=MathJax.HTML.addText(a.close.parentNode,"")}a.close=f;c=(a.opos?a.open.splitText(a.opos):a.open);while(c.nextSibling&&c.nextSibling!==f){if(c.nextSibling.nodeValue!==null){if(c.nextSibling.nodeName==="#comment"){c.nodeValue+=c.nextSibling.nodeValue.replace(/^\[CDATA\[((.|\n|\r)*)\]\]$/,"$1")}else{c.nodeValue+=c.nextSibling.nodeValue}}else{if(this.msieNewlineBug){c.nodeValue+=(c.nextSibling.nodeName.toLowerCase()==="br"?"\n":" ")}else{c.nodeValue+=" "}}c.parentNode.removeChild(c.nextSibling)}var d=c.nodeValue.substr(a.olen,c.nodeValue.length-a.olen-a.clen);c.parentNode.removeChild(c);if(this.config.preview!=="none"){this.createPreview(a.mode,d)}c=this.createMathTag(a.mode,d);this.search={};this.pattern.lastIndex=0;if(e){e.parentNode.removeChild(e)}return c},insertNode:function(b){var a=this.search;a.close.parentNode.insertBefore(b,a.close)},createPreview:function(c,a){var b;if(this.config.preview==="AsciiMath"){b=[this.filterAM(a)]}else{if(this.config.preview instanceof Array){b=this.config.preview}}if(b){b=MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},b);this.insertNode(b)}},createMathTag:function(c,a){var b=document.createElement("script");b.type="math/asciimath"+c;MathJax.HTML.setScript(b,a);this.insertNode(b);return b},filterAM:function(a){return a},msieNewlineBug:(MathJax.Hub.Browser.isMSIE&&(document.documentMode||0)<9)};MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.asciimath2jax]);MathJax.Ajax.loadComplete("[MathJax]/extensions/asciimath2jax.js");
+

jax/input/AsciiMath/config.js

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+/*
+ *  /MathJax/jax/input/AsciiMath/config.js
+ *  
+ *  Copyright (c) 2010 Design Science, Inc.
+ *
+ *  Part of the MathJax library.
+ *  See http://www.mathjax.org for details.
+ * 
+ *  Licensed under the Apache License, Version 2.0;
+ *  you may not use this file except in compliance with the License.
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+MathJax.InputJax.AsciiMath=MathJax.InputJax({id:"AsciiMath",version:"1.0",directory:MathJax.InputJax.directory+"/AsciiMath",extensionDir:MathJax.InputJax.extensionDir+"/AsciiMath",config:{displaystyle:true,decimal:"."}});MathJax.InputJax.AsciiMath.Register("math/asciimath");MathJax.InputJax.AsciiMath.loadComplete("config.js");
+

unpacked/extensions/asciimath2jax.js

@@ -0,0 +1,228 @@
+/*************************************************************
+ *
+ *  MathJax/extensions/asciimath2jax.js
+ *  
+ *  Implements the AsciiMath to Jax preprocessor that locates AsciiMath
+ *  code within the text of a document and replaces it with SCRIPT tags for
+ *  processing by MathJax.
+ *
+ *  Modified by David Lippman, based on tex2jax.js.
+ *  Additional work by Davide P. Cervone.
+ *  
+ *  ---------------------------------------------------------------------
+ *  
+ *  Copyright (c) 2012 Design Science, Inc.
+ * 
+ *  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.asciimath2jax = {
+  version: "1.0",
+  config: {
+    delimiters: ['`'],          // The delimiter(s) for asciimath code
+
+    skipTags: ["script","noscript","style","textarea","pre","code"],
+                               // The names of the tags whose contents will not be
+                               // scanned for math delimiters
+
+    ignoreClass: "asciimath2jax_ignore",   // the class name of elements whose contents should
+                                           // NOT be processed by asciimath2jax.  Note that this
+                                           // is a regular expression, so be sure to quote any
+                                           // regexp special characters
+
+    processClass: "asciimath2jax_process", // the class name of elements whose contents SHOULD
+                                           // be processed when they appear inside ones that
+                                           // 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
+                               //   or set to an array specifying an HTML snippet
+                               //   to use the same preview for every equation.
+
+  },
+  
+  PreProcess: function (element) {
+    if (!this.configured) {
+      this.config = MathJax.Hub.CombineConfig("asciimath2jax",this.config);
+      if (this.config.Augment) {MathJax.Hub.Insert(this,this.config.Augment)}
+      this.configured = true;
+    }
+    if (typeof(element) === "string") {element = document.getElementById(element)}
+    if (!element) {element = document.body}
+    if (this.createPatterns()) {this.scanElement(element,element.nextSibling)}
+  },
+  
+  createPatterns: function () {
+    var starts = [], i, m, config = this.config; this.match = {};
+    if (config.delimiters.length === 0) {return false}
+    for (i = 0, m = config.delimiters.length; i < m; i++) {
+      starts.push(this.patternQuote(config.delimiters[i]));
+      this.match[config.delimiters[i]] = {
+        mode: "",
+        end: config.delimiters[i],
+        pattern: this.endPattern(config.delimiters[i])
+      };
+    }
+    this.start = new RegExp(starts.sort(this.sortLength).join("|"),"g");
+    this.skipTags = new RegExp("^("+config.skipTags.join("|")+")$","i");
+    this.ignoreClass = new RegExp("(^| )("+config.ignoreClass+")( |$)");
+    this.processClass = new RegExp("(^| )("+config.processClass+")( |$)");
+    return true;
+  },
+  
+  patternQuote: function (s) {return s.replace(/([\^$(){}+*?\-|\[\]\:\\])/g,'\\$1')},
+  
+  endPattern: function (end) {
+    return new RegExp(this.patternQuote(end)+"|\\\\.","g");
+  },
+  
+  sortLength: function (a,b) {
+    if (a.length !== b.length) {return b.length - a.length}
+    return (a == b ? 0 : (a < b ? -1 : 1));
+  },
+  
+  scanElement: function (element,stop,ignore) {
+    var cname, tname, ignoreChild, process;
+    while (element && element != stop) {
+      if (element.nodeName.toLowerCase() === '#text') {
+        if (!ignore) {element = this.scanText(element)}
+      } else {
+        cname = (typeof(element.className) === "undefined" ? "" : element.className);
+        tname = (typeof(element.tagName)   === "undefined" ? "" : element.tagName);
+        if (typeof(cname) !== "string") {cname = String(cname)} // jsxgraph uses non-string class names!
+        process = this.processClass.exec(cname);
+        if (element.firstChild && !cname.match(/(^| )MathJax/) &&
+            (process || !this.skipTags.exec(tname))) {
+          ignoreChild = (ignore || this.ignoreClass.exec(cname)) && !process;
+          this.scanElement(element.firstChild,stop,ignoreChild);
+        }
+      }
+      if (element) {element = element.nextSibling}
+    }
+  },
+  
+  scanText: function (element) {
+    if (element.nodeValue.replace(/\s+/,'') == '') {return element}
+    var match, prev;
+    this.search = {start: true};
+    this.pattern = this.start;
+    while (element) {
+      this.pattern.lastIndex = 0;
+      while (element && element.nodeName.toLowerCase() === '#text' &&
+            (match = this.pattern.exec(element.nodeValue))) {
+        if (this.search.start) {element = this.startMatch(match,element)}
+                          else {element = this.endMatch(match,element)}
+      }
+      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'));
+        if (!element || element.nodeName !== '#text') {return prev}
+      }
+    }
+    return element;
+  },
+  
+  startMatch: function (match,element) {
+    var delim = this.match[match[0]];
+    if (delim != null) {
+      this.search = {
+        end: delim.end, mode: delim.mode,
+        open: element, olen: match[0].length,
+        opos: this.pattern.lastIndex - match[0].length
+      };
+      this.switchPattern(delim.pattern);
+    }
+    return element;
+  },
+  
+  endMatch: function (match,element) {
+    if (match[0] == this.search.end) {
+      this.search.close = element;
+      this.search.cpos = this.pattern.lastIndex;
+      this.search.clen = (this.search.isBeginEnd ? 0 : match[0].length);
+      this.search.matched = true;
+      element = this.encloseMath(element);
+      this.switchPattern(this.start);
+    }
+    return element;
+  },
+  
+  switchPattern: function (pattern) {
+    pattern.lastIndex = this.pattern.lastIndex;
+    this.pattern = pattern;
+    this.search.start = (pattern === this.start);
+  },
+  
+  encloseMath: function (element) {
+    var search = this.search, close = search.close, CLOSE, math;
+    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");
+        } else {
+          math.nodeValue += math.nextSibling.nodeValue;
+        }
+      } else if (this.msieNewlineBug) {
+        math.nodeValue += (math.nextSibling.nodeName.toLowerCase() === "br" ? "\n" : " ");
+      } else {
+        math.nodeValue += " ";
+      }
+      math.parentNode.removeChild(math.nextSibling);
+    }
+    var TeX = math.nodeValue.substr(search.olen,math.nodeValue.length-search.olen-search.clen);
+    math.parentNode.removeChild(math);
+    if (this.config.preview !== "none") {this.createPreview(search.mode,TeX)}
+    math = this.createMathTag(search.mode,TeX);
+    this.search = {}; this.pattern.lastIndex = 0;
+    if (CLOSE) {CLOSE.parentNode.removeChild(CLOSE)}
+    return math;
+  },
+  
+  insertNode: function (node) {
+    var search = this.search;
+    search.close.parentNode.insertBefore(node,search.close);
+  },
+  
+  createPreview: function (mode,asciimath) {
+    var preview;
+    if (this.config.preview === "AsciiMath") {preview = [this.filterAM(asciimath)]}
+    else if (this.config.preview instanceof Array) {preview = this.config.preview}
+    if (preview) {
+      preview = MathJax.HTML.Element("span",{className:MathJax.Hub.config.preRemoveClass},preview);
+      this.insertNode(preview);
+    }
+  },
+  
+  createMathTag: function (mode,asciimath) {
+    var script = document.createElement("script");
+    script.type = "math/asciimath" + mode;
+    MathJax.HTML.setScript(script,asciimath);
+    this.insertNode(script);
+    return script;
+  },
+  
+  filterAM: function (asciimath) {return asciimath},
+  
+  msieNewlineBug: (MathJax.Hub.Browser.isMSIE && (document.documentMode||0) < 9)
+  
+};
+
+MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.asciimath2jax]);
+MathJax.Ajax.loadComplete("[MathJax]/extensions/asciimath2jax.js");

unpacked/jax/input/AsciiMath/config.js

@@ -0,0 +1,41 @@
+/*************************************************************
+ *
+ *  MathJax/jax/input/AsciiMath/config.js
+ *
+ *  Initializes the AsciiMath InputJax (the main definition is in
+ *  MathJax/jax/input/AsciiMath/jax.js, which is loaded when needed).
+ *  
+ *  Originally adapted for MathJax by David Lippman.
+ *  Additional work done by Davide P. Cervone.
+ *  
+ *  ---------------------------------------------------------------------
+ *  
+ *  Copyright (c) 2012 Design Science, Inc.
+ * 
+ *  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.InputJax.AsciiMath = MathJax.InputJax({
+  id: "AsciiMath",
+  version: "1.0",
+  directory: MathJax.InputJax.directory + "/AsciiMath",
+  extensionDir: MathJax.InputJax.extensionDir + "/AsciiMath",
+  
+  config: {
+    displaystyle: true,               // put limits above and below operators
+    decimal: "."                      // can change to "," but watch out for "(1,2)"
+  }
+});
+MathJax.InputJax.AsciiMath.Register("math/asciimath");
+
+MathJax.InputJax.AsciiMath.loadComplete("config.js");