Export lists fix + code linting and readability update

src/node/utils/ExportHtml.js

@@ -1,3 +1,5 @@
+'use strict';
+
 /**
  * Copyright 2009 Google Inc.
  *
@@ -15,63 +17,97 @@
  */
 
 
-var async = require("async");
+var async = require('async');
-var Changeset = require("ep_etherpad-lite/static/js/Changeset");
+var Changeset = require('ep_etherpad-lite/static/js/Changeset');
-var padManager = require("../db/PadManager");
+var padManager = require('../db/PadManager');
-var ERR = require("async-stacktrace");
+var eRR = require('async-stacktrace');
 var _ = require('underscore');
 var Security = require('ep_etherpad-lite/static/js/security');
 var hooks = require('ep_etherpad-lite/static/js/pluginfw/hooks');
 var eejs = require('ep_etherpad-lite/node/eejs');
 var _analyzeLine = require('./ExportHelper')._analyzeLine;
 var _encodeWhitespace = require('./ExportHelper')._encodeWhitespace;
+// copied from ACE
+var _REGEX_WORDCHAR = /[\u0030-\u0039\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u1FFF\u3040-\u9FFF\uF900-\uFDFF\uFE70-\uFEFE\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFDC]/;
+var _REGEX_URLCHAR = new RegExp('(' + (/[-:@a-zA-Z0-9_.,~%+/\\?=&#;()$]/).source + '|' + _REGEX_WORDCHAR.source + ')');
+var _REGEX_URL = new RegExp(/(?:(?:https?|s?ftp|ftps|file|smb|afp|nfs|(x-)?man|gopher|txmt):\/\/|mailto:)/.source + _REGEX_URLCHAR.source + '*(?![:.,;])' + _REGEX_URLCHAR.source, 'g');
 
-function getPadHTML(pad, revNum, callback)
+// returns null if no URLs, or [[startIndex1, url1], [startIndex2, url2], ...]
-{
+// copied from ACE
-  var atext = pad.atext;
+function _processSpaces (s) {
-  var html;
+    var doesWrap = true;
-  async.waterfall([
+    if (s.indexOf('<') < 0 && !doesWrap) {
-  // fetch revision atext
+        // short-cut
-  function (callback)
+        return s.replace(/ /g, '&nbsp;');
-  {
-    if (revNum != undefined)
-    {
-      pad.getInternalRevisionAText(revNum, function (err, revisionAtext)
-      {
-        if(ERR(err, callback)) return;
-        atext = revisionAtext;
-        callback();
-      });
     }
-    else
+    var parts = [];
-    {
+    s.replace(/<[^>]*>?| |[^ <]+/g, function (m) {
-      callback(null);
+        parts.push(m);
-    }
-  },
-
-  // convert atext to html
-
-
-  function (callback)
-  {
-    html = getHTMLFromAtext(pad, atext);
-    callback(null);
-  }],
-  // run final callback
-
-
-  function (err)
-  {
-    if(ERR(err, callback)) return;
-    callback(null, html);
     });
+    if (doesWrap) {
+        var endOfLine = true;
+        var beforeSpace = false;
+        // last space in a run is normal, others are nbsp,
+        // end of line is nbsp
+        for (var i = parts.length - 1; i >= 0; i--) {
+            var p = parts[i];
+            if (p === ' ') {
+                if (endOfLine || beforeSpace) parts[i] = '&nbsp;';
+                endOfLine = false;
+                beforeSpace = true;
+            } else if (p.charAt(0) !== '<') {
+                endOfLine = false;
+                beforeSpace = false;
+            }
+        }
+        // beginning of line is nbsp
+        for (i = 0; i < parts.length; i++) {
+            p = parts[i];
+            if (p === ' ') {
+                parts[i] = '&nbsp;';
+                break;
+            } else if (p.charAt(0) !== '<') {
+                break;
+            }
+        }
+    } else {
+        for (i = 0; i < parts.length; i++) {
+            p = parts[i];
+            if (p === ' ') {
+                parts[i] = '&nbsp;';
+            }
+        }
+    }
+
+    return parts.join('');
 }
 
-exports.getPadHTML = getPadHTML;
+function _findURLs (text) {
-exports.getHTMLFromAtext = getHTMLFromAtext;
+    _REGEX_URL.lastIndex = 0;
+    var urls = null;
+    var execResult;
+    while (execResult = _REGEX_URL.exec(text)) {
+        urls = urls || [];
+        var startIndex = execResult.index;
+        var url = execResult[0];
+        urls.push([startIndex, url]);
+    }
 
-function getHTMLFromAtext(pad, atext, authorColors)
+    return urls;
-{
+}
+
+/**
+     * Return docx from input html
+     *
+     * @param {text} [pad] text
+     * @param {text} [atext] text
+     * @param {text} [authorColors] text
+     *
+     * @returns {html} html
+     *
+     * @public
+     */
+function getHTMLFromAtext (pad, atext, authorColors) {
     var apool = pad.apool();
     var textLines = atext.text.slice(0, -1).split('\n');
     var attribLines = Changeset.splitAttributionLines(atext.attribs, atext.text);
@@ -80,16 +116,22 @@ function getHTMLFromAtext(pad, atext, authorColors)
     var props = ['heading1', 'heading2', 'bold', 'italic', 'underline', 'strikethrough'];
 
     // prepare tags stored as ['tag', true] to be exported
-  hooks.aCallAll("exportHtmlAdditionalTags", pad, function(err, newProps){
+    hooks.aCallAll('exportHtmlAdditionalTags', pad, function (err, newProps) {
-    newProps.forEach(function (propName, i){
+        if (err) {
+            return err;
+        }
+        newProps.forEach(function (propName) {
             tags.push(propName);
             props.push(propName);
         });
     });
     // prepare tags stored as ['tag', 'value'] to be exported. This will generate HTML
-  // with tags like <span data-tag="value">
+    // with tags like <span data-tag='value'>
-  hooks.aCallAll("exportHtmlAdditionalTagsWithData", pad, function(err, newProps){
+    hooks.aCallAll('exportHtmlAdditionalTagsWithData', pad, function (err, newProps) {
-    newProps.forEach(function (propName, i){
+        if (err) {
+            return err;
+        }
+        newProps.forEach(function (propName) {
             tags.push('span data-' + propName[0] + '="' + propName[1] + '"');
             props.push(propName);
         });
@@ -100,47 +142,49 @@ function getHTMLFromAtext(pad, atext, authorColors)
     // *3:2 -> the attribute *3 means strong
     // *2:5 -> the attribute *2 means s(trikethrough)
     var anumMap = {};
-  var css = "";
+    var css = '';
 
-  var stripDotFromAuthorID = function(id){
+    var stripDotFromAuthorID = function (id) {
-    return id.replace(/\./g,'_');
+        return id.replace(/\./g, '_');
     };
 
-  if(authorColors){
+    if (authorColors) {
-    css+="<style>\n";
+        css += '<style>\n';
 
         for (var a in apool.numToAttrib) {
+            if (apool.numToAttrib.hasOwnProperty.call(a)) {
                 var attr = apool.numToAttrib[a];
-
+                var newLength = null;
+                var propName = null;
                 //skip non author attributes
-      if(attr[0] === "author" && attr[1] !== ""){
+                if (attr[0] === 'author' && attr[1] !== '') {
                     //add to props array
-        var propName = "author" + stripDotFromAuthorID(attr[1]);
+                    propName = 'author' + stripDotFromAuthorID(attr[1]);
-        var newLength = props.push(propName);
+                    newLength = props.push(propName);
-        anumMap[a] = newLength -1;
+                    anumMap[a] = newLength - 1;
     
-        css+="." + propName + " {background-color: " + authorColors[attr[1]]+ "}\n";
+                    css += '.' + propName + ' {background-color: ' + authorColors[attr[1]] + '}\n';
-      } else if(attr[0] === "removed") {
+                } else if (attr[0] === 'removed') {
-        var propName = "removed";
+                    propName = 'removed';
     
-        var newLength = props.push(propName);
+                    newLength = props.push(propName);
-        anumMap[a] = newLength -1;
+                    anumMap[a] = newLength - 1;
     
-        css+=".removed {text-decoration: line-through; " +
+                    css += '.removed {text-decoration: line-through; ' +
-             "-ms-filter:'progid:DXImageTransform.Microsoft.Alpha(Opacity=80)'; "+
+                      '-ms-filter:\'progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\'; ' +
-             "filter: alpha(opacity=80); "+
+                      'filter: alpha(opacity=80); ' +
-             "opacity: 0.8; "+
+                      'opacity: 0.8; ' +
-             "}\n";
+                      '}\n';
+                }
             }
         }
 
-    css+="</style>";
+        css += '</style>';
     }
 
     // iterates over all props(h1,h2,strong,...), checks if it is used in
     // this pad, and if yes puts its attrib id->props value into anumMap
-  props.forEach(function (propName, i)
+    props.forEach(function (propName, i) {
-  {
         var attrib = [propName, true];
         if (_.isArray(propName)) {
             // propName can be in the form of ['color', 'red'],
@@ -148,14 +192,12 @@ function getHTMLFromAtext(pad, atext, authorColors)
             attrib = propName;
         }
         var propTrueNum = apool.putAttrib(attrib, true);
-    if (propTrueNum >= 0)
+        if (propTrueNum >= 0) {
-    {
             anumMap[propTrueNum] = i;
         }
     });
 
-  function getLineHTML(text, attribs)
+    function getLineHTML (text, attribs) {
-  {
     // Use order of tags (b/i/u) as order of nesting, for simplicity
     // and decent nesting.  For example,
     // <b>Just bold<b> <b><i>Bold and italics</i></b> <i>Just italics</i>
@@ -165,7 +207,7 @@ function getHTMLFromAtext(pad, atext, authorColors)
         var assem = Changeset.stringAssembler();
         var openTags = [];
 
-    function getSpanClassFor(i){
+        function getSpanClassFor (i) {
             //return if author colors are disabled
             if (!authorColors) return false;
 
@@ -177,12 +219,12 @@ function getHTMLFromAtext(pad, atext, authorColors)
                 return false;
             }
 
-      if(property.substr(0,6) === "author"){
+            if (property.substr(0, 6) === 'author') {
                 return stripDotFromAuthorID(property);
             }
 
-      if(property === "removed"){
+            if (property === 'removed') {
-        return "removed";
+                return 'removed';
             }
 
             return false;
@@ -190,17 +232,17 @@ function getHTMLFromAtext(pad, atext, authorColors)
 
         // tags added by exportHtmlAdditionalTagsWithData will be exported as <span> with
         // data attributes
-    function isSpanWithData(i){
+        function isSpanWithData (i) {
             var property = props[i];
+
             return _.isArray(property);
         }
 
-    function emitOpenTag(i)
+        function emitOpenTag (i) {
-    {
             openTags.unshift(i);
             var spanClass = getSpanClassFor(i);
 
-      if(spanClass){
+            if (spanClass) {
                 assem.append('<span class="');
                 assem.append(spanClass);
                 assem.append('">');
@@ -212,13 +254,12 @@ function getHTMLFromAtext(pad, atext, authorColors)
         }
 
         // this closes an open tag and removes its reference from openTags
-    function emitCloseTag(i)
+        function emitCloseTag (i) {
-    {
             openTags.shift();
             var spanClass = getSpanClassFor(i);
             var spanWithData = isSpanWithData(i);
 
-      if(spanClass || spanWithData){
+            if (spanClass || spanWithData) {
                 assem.append('</span>');
             } else {
                 assem.append('</');
@@ -231,10 +272,8 @@ function getHTMLFromAtext(pad, atext, authorColors)
 
         var idx = 0;
 
-    function processNextChars(numChars)
+        function processNextChars (numChars) {
-    {
+            if (numChars <= 0) {
-      if (numChars <= 0)
-      {
                 return;
             }
 
@@ -243,52 +282,42 @@ function getHTMLFromAtext(pad, atext, authorColors)
 
             // this iterates over every op string and decides which tags to open or to close
             // based on the attribs used
-      while (iter.hasNext())
+            while (iter.hasNext()) {
-      {
                 var o = iter.next();
                 var usedAttribs = [];
 
                 // mark all attribs as used
-        Changeset.eachAttribNumber(o.attribs, function (a)
+                Changeset.eachAttribNumber(o.attribs, function (a) {
-        {
+                    if (a in anumMap) {
-          if (a in anumMap)
-          {
                         usedAttribs.push(anumMap[a]); // i = 0 => bold, etc.
                     }
                 });
                 var outermostTag = -1;
                 // find the outer most open tag that is no longer used
-        for (var i = openTags.length - 1; i >= 0; i--)
+                for (var i = openTags.length - 1; i >= 0; i--) {
-        {
+                    if (usedAttribs.indexOf(openTags[i]) === -1) {
-          if (usedAttribs.indexOf(openTags[i]) === -1)
-          {
                         outermostTag = i;
                         break;
                     }
                 }
 
                 // close all tags upto the outer most
-        if (outermostTag != -1)
+                if (outermostTag !== -1) {
-        {
+                    while (outermostTag >= 0) {
-          while ( outermostTag >= 0 )
-          {
                         emitCloseTag(openTags[0]);
                         outermostTag--;
                     }
                 }
 
                 // open all tags that are used but not open
-        for (i=0; i < usedAttribs.length; i++)
+                for (i = 0; i < usedAttribs.length; i++) {
-        {
+                    if (openTags.indexOf(usedAttribs[i]) === -1) {
-          if (openTags.indexOf(usedAttribs[i]) === -1)
+                        emitOpenTag(usedAttribs[i]);
-          {
-            emitOpenTag(usedAttribs[i])
                     }
                 }
 
                 var chars = o.chars;
-        if (o.lines)
+                if (o.lines) {
-        {
                     chars--; // exclude newline at end of line, if present
                 }
 
@@ -296,21 +325,19 @@ function getHTMLFromAtext(pad, atext, authorColors)
 
                 //removes the characters with the code 12. Don't know where they come
                 //from but they break the abiword parser and are completly useless
-        s = s.replace(String.fromCharCode(12), "");
+                s = s.replace(String.fromCharCode(12), '');
 
                 assem.append(_encodeWhitespace(Security.escapeHTML(s)));
             } // end iteration over spans in line
 
             // close all the tags that are open after the last op
-      while (openTags.length > 0)
+            while (openTags.length > 0) {
-      {
+                emitCloseTag(openTags[0]);
-        emitCloseTag(openTags[0])
             }
         } // end processNextChars
-    if (urls)
+
-    {
+        if (urls) {
-      urls.forEach(function (urlData)
+            urls.forEach(function (urlData) {
-      {
                 var startIndex = urlData[0];
                 var url = urlData[1];
                 var urlLength = url.length;
@@ -320,10 +347,12 @@ function getHTMLFromAtext(pad, atext, authorColors)
                 assem.append('</a>');
             });
         }
+
         processNextChars(text.length - idx);
 
         return _processSpaces(assem.toString());
     } // end getLineHTML
+
     var pieces = [css];
 
     // Need to deal with constraints imposed on HTML lists; can
@@ -334,41 +363,36 @@ function getHTMLFromAtext(pad, atext, authorColors)
     // want to deal gracefully with blank lines.
     // => keeps track of the parents level of indentation
     var lists = []; // e.g. [[1,'bullet'], [3,'bullet'], ...]
-  var listLevels = []
+    var listLevels = [];
-  for (var i = 0; i < textLines.length; i++)
+    for (var i = 0; i < textLines.length; i++) {
-  {
+        var context;
         var line = _analyzeLine(textLines[i], attribLines[i], apool);
         var lineContent = getLineHTML(line.text, line.aline);
-    listLevels.push(line.listLevel)
+        listLevels.push(line.listLevel);
 
-    if (line.listLevel)//If we are inside a list
+        if (line.listLevel) { //If we are inside a list
-    {
             // do list stuff
             var whichList = -1; // index into lists or -1
-      if (line.listLevel)
+            if (line.listLevel) {
-      {
                 whichList = lists.length;
-        for (var j = lists.length - 1; j >= 0; j--)
+                for (var j = lists.length - 1; j >= 0; j--) {
-        {
+                    if (line.listLevel <= lists[j][0]) {
-          if (line.listLevel <= lists[j][0])
-          {
                         whichList = j;
                     }
                 }
             }
-      var context = {
+            context = {
                 line: line,
                 lineContent: lineContent,
                 apool: apool,
                 attribLine: attribLines[i],
                 text: textLines[i],
                 padId: pad.id
-        }
+            };
-      hooks.callAll("getLineHTMLForExport", context);
+            hooks.callAll('getLineHTMLForExport', context);
-      if (whichList >= lists.length)//means we are on a deeper level of indentation than the previous line
+            if (whichList >= lists.length) {
-      {
+                if (lists.length > 0) {
-        if(lists.length > 0){
+                    pieces.push('</li>');
-          pieces.push('</li>')
                 }
                 lists.push([line.listLevel, line.listTypeName]);
 
@@ -376,103 +400,64 @@ function getHTMLFromAtext(pad, atext, authorColors)
                 // if there is no previous list we need to open x tags, where x is the wanted level
                 var toOpen = lists.length > 1 ? line.listLevel - lists[lists.length - 2][0] - 1 : line.listLevel - 1
 
-        if(line.listTypeName == "number")
+                if (line.listTypeName === 'number') {
-        {
+                    if (toOpen > 0) {
-          if(toOpen > 0){
+                        pieces.push(new Array(toOpen + 1).join('<ol></li><li>'));
-            pieces.push(new Array(toOpen + 1).join('<ol>'))
                     }
-          pieces.push('<ol class="'+line.listTypeName+'"><li>', context.lineContent || '<br>');
+                    pieces.push('<ol class="' + line.listTypeName + '"><li>', context.lineContent || '<br>');
+                } else {
+                    if (toOpen > 0) {
+                        pieces.push(new Array(toOpen + 1).join('<li><ul><li>'));
                     }
-        else
+                    pieces.push('<ul class="' + line.listTypeName + '"><li>', context.lineContent || '<br>');
-        {
-          if(toOpen > 0){
-            pieces.push(new Array(toOpen + 1).join('<ul>'))
                 }
-          pieces.push('<ul class="'+line.listTypeName+'"><li>', context.lineContent || '<br>');
+            } else { //means we are getting closer to the lowest level of indentation or are at the same level
-        }
-      }
-      //the following code *seems* dead after my patch.
-      //I keep it just in case I'm wrong...
-      /*else if (whichList == -1)//means we are not inside a list
-      {
-        if (line.text)
-        {
-          console.log('trace 1');
-          // non-blank line, end all lists
-          if(line.listTypeName == "number")
-          {
-            pieces.push(new Array(lists.length + 1).join('</li></ol>'));
-          }
-          else
-          {
-            pieces.push(new Array(lists.length + 1).join('</li></ul>'));
-          }
-          lists.length = 0;
-          pieces.push(lineContent, '<br>');
-        }
-        else
-        {
-          console.log('trace 2');
-          pieces.push('<br><br>');
-        }
-      }*/
-      else//means we are getting closer to the lowest level of indentation or are at the same level
-      {
                 var toClose = lists.length > 0 ? listLevels[listLevels.length - 2] - line.listLevel : 0
-        if( toClose > 0){
+                if (toClose > 0) {
-          pieces.push('</li>')
+                    pieces.push('</li>');
-          if(lists[lists.length - 1][1] == "number")
+                    if (lists[lists.length - 1][1] === 'number') {
-          {
+                        pieces.push(new Array(toClose + 1).join('</ol></li>'));
-            pieces.push(new Array(toClose+1).join('</ol>'))
+                        pieces.push('<li>', context.lineContent || '<br>');
+                    } else {
+                        pieces.push(new Array(toClose + 1).join('</ul></li>'));
                         pieces.push('<li>', context.lineContent || '<br>');
                     }
-          else
+                    lists = lists.slice(0, whichList + 1);
-          {
-            pieces.push(new Array(toClose+1).join('</ul>'))
-            pieces.push('<li>', context.lineContent || '<br>');
-          }
-          lists = lists.slice(0,whichList+1)
                 } else {
                     pieces.push('</li><li>', context.lineContent || '<br>');
                 }
             }
-    }
+        } else { //outside any list, need to close line.listLevel of lists
-    else//outside any list, need to close line.listLevel of lists
+
-    {
+            if (lists.length > 0) {
-      if(lists.length > 0){
+                if (lists[lists.length - 1][1] === 'number') {
-        if(lists[lists.length - 1][1] == "number"){
                     pieces.push('</li></ol>');
-          pieces.push(new Array(listLevels[listLevels.length - 2]).join('</ol>'))
+                    pieces.push(new Array(listLevels[listLevels.length - 2]).join('</ol></li>'));
                 } else {
                     pieces.push('</li></ul>');
-          pieces.push(new Array(listLevels[listLevels.length - 2]).join('</ul>'))
+                    pieces.push(new Array(listLevels[listLevels.length - 2]).join('</ul></li>'));
                 }
             }
-      lists = []
+            lists = [];
 
-      var context = {
+            context = {
                 line: line,
                 lineContent: lineContent,
                 apool: apool,
                 attribLine: attribLines[i],
                 text: textLines[i],
                 padId: pad.id
-      }
+            };
-
-      hooks.callAll("getLineHTMLForExport", context);
 
+            hooks.callAll('getLineHTMLForExport', context);
             pieces.push(context.lineContent, '<br>');
         }
     }
 
-  for (var k = lists.length - 1; k >= 0; k--)
+    for (var k = lists.length - 1; k >= 0; k--) {
-  {
+        if (lists[k][1] === 'number') {
-    if(lists[k][1] == "number")
-    {
             pieces.push('</li></ol>');
-    }
+        } else {
-    else
-    {
             pieces.push('</li></ul>');
         }
     }
@@ -480,23 +465,60 @@ function getHTMLFromAtext(pad, atext, authorColors)
     return pieces.join('');
 }
 
-exports.getPadHTMLDocument = function (padId, revNum, callback)
+function getPadHTML (pad, revNum, callback) {
-{
+    var atext = pad.atext;
-  padManager.getPad(padId, function (err, pad)
+    var html;
-  {
+    async.waterfall(
-    if(ERR(err, callback)) return;
+        [
+        // fetch revision atext
+            function (callback) {
+                if (revNum !== undefined) {
+                    pad.getInternalRevisionAText(revNum, function (err, revisionAtext) {
+                        if (eRR(err, callback)) return;
+                        atext = revisionAtext;
 
-    var stylesForExportCSS = "";
+                        return callback();
+                    });
+                } else {
+                    return callback(null);
+                }
+            },
+
+            // convert atext to html
+
+
+            function (callback) {
+                html = getHTMLFromAtext(pad, atext);
+                callback(null);
+            }
+        ],
+        // run final callback
+
+
+        function (err) {
+            if (eRR(err, callback)) return;
+            callback(null, html);
+        }
+    );
+}
+
+exports.getPadHTML = getPadHTML;
+exports.getHTMLFromAtext = getHTMLFromAtext;
+exports.getPadHTMLDocument = function (padId, revNum, callback) {
+    padManager.getPad(padId, function (err, pad) {
+        if (eRR(err, callback)) return;
+
+        var stylesForExportCSS = '';
         // Include some Styles into the Head for Export
-    hooks.aCallAll("stylesForExport", padId, function(err, stylesForExport){
+        hooks.aCallAll('stylesForExport', padId, function (err, stylesForExport) {
-      stylesForExport.forEach(function(css){
+            if (eRR(err, callback)) return;
+            stylesForExport.forEach(function (css) {
                 stylesForExportCSS += css;
             });
 
-      getPadHTML(pad, revNum, function (err, html)
+            getPadHTML(pad, revNum, function (err, html) {
-      {
+                if (eRR(err, callback)) return;
-        if(ERR(err, callback)) return;
+                var exportedDoc = eejs.require('ep_etherpad-lite/templates/export_html.html', {
-        var exportedDoc = eejs.require("ep_etherpad-lite/templates/export_html.html", {
                     body: html,
                     padId: Security.escapeHTML(padId),
                     extraCSS: stylesForExportCSS
@@ -506,81 +528,3 @@ exports.getPadHTMLDocument = function (padId, revNum, callback)
         });
     });
 };
-
-// copied from ACE
-var _REGEX_WORDCHAR = /[\u0030-\u0039\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u1FFF\u3040-\u9FFF\uF900-\uFDFF\uFE70-\uFEFE\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFDC]/;
-var _REGEX_SPACE = /\s/;
-var _REGEX_URLCHAR = new RegExp('(' + /[-:@a-zA-Z0-9_.,~%+\/\\?=&#;()$]/.source + '|' + _REGEX_WORDCHAR.source + ')');
-var _REGEX_URL = new RegExp(/(?:(?:https?|s?ftp|ftps|file|smb|afp|nfs|(x-)?man|gopher|txmt):\/\/|mailto:)/.source + _REGEX_URLCHAR.source + '*(?![:.,;])' + _REGEX_URLCHAR.source, 'g');
-
-// returns null if no URLs, or [[startIndex1, url1], [startIndex2, url2], ...]
-
-
-function _findURLs(text)
-{
-  _REGEX_URL.lastIndex = 0;
-  var urls = null;
-  var execResult;
-  while ((execResult = _REGEX_URL.exec(text)))
-  {
-    urls = (urls || []);
-    var startIndex = execResult.index;
-    var url = execResult[0];
-    urls.push([startIndex, url]);
-  }
-
-  return urls;
-}
-
-
-// copied from ACE
-function _processSpaces(s){
-  var doesWrap = true;
-  if (s.indexOf("<") < 0 && !doesWrap){
-    // short-cut
-    return s.replace(/ /g, '&nbsp;');
-  }
-  var parts = [];
-  s.replace(/<[^>]*>?| |[^ <]+/g, function (m){
-    parts.push(m);
-  });
-  if (doesWrap){
-    var endOfLine = true;
-    var beforeSpace = false;
-    // last space in a run is normal, others are nbsp,
-    // end of line is nbsp
-    for (var i = parts.length - 1; i >= 0; i--){
-      var p = parts[i];
-      if (p == " "){
-        if (endOfLine || beforeSpace) parts[i] = '&nbsp;';
-        endOfLine = false;
-        beforeSpace = true;
-      }
-      else if (p.charAt(0) != "<"){
-        endOfLine = false;
-        beforeSpace = false;
-      }
-    }
-    // beginning of line is nbsp
-    for (i = 0; i < parts.length; i++){
-      p = parts[i];
-      if (p == " "){
-        parts[i] = '&nbsp;';
-        break;
-      }
-      else if (p.charAt(0) != "<"){
-        break;
-      }
-    }
-  }
-  else
-  {
-    for (i = 0; i < parts.length; i++){
-      p = parts[i];
-      if (p == " "){
-        parts[i] = '&nbsp;';
-      }
-    }
-  }
-  return parts.join('');
-}