www.gusucode.com > cso中国seo优化html整站源码程序 > editor/editor/customPlugins/highlighter/dp.SyntaxHighlighter/Scripts/shCore.js
/**
* Code Syntax Highlighter.
* Version 1.5.1
* Copyright (C) 2004-2007 Alex Gorbatchev.
* http://www.dreamprojections.com/syntaxhighlighter/
*
* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
* Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
//
// create namespaces
//
var dp = {
sh :
{
Toolbar : {},
Utils : {},
RegexLib: {},
Brushes : {},
Strings : {
AboutDialog : '<html><head><title>About...</title></head><body class="dp-about"><table cellspacing="0"><tr><td class="copy"><p class="title">dp.SyntaxHighlighter</div><div class="para">Version: {V}</p><p><a href="http://www.dreamprojections.com/syntaxhighlighter/?ref=about" target="_blank">http://www.dreamprojections.com/syntaxhighlighter</a></p>©2004-2007 Alex Gorbatchev.</td></tr><tr><td class="footer"><input type="button" class="close" value="OK" onClick="window.close()"/></td></tr></table></body></html>'
},
ClipboardSwf : null,
Version : '1.5.1'
}
};
// make an alias
dp.SyntaxHighlighter = dp.sh;
//
// Toolbar functions
//
dp.sh.Toolbar.Commands = {
ExpandSource: {
label: '+ expand source',
check: function(highlighter) { return highlighter.collapse; },
func: function(sender, highlighter)
{
sender.parentNode.removeChild(sender);
highlighter.div.className = highlighter.div.className.replace('collapsed', '');
}
},
// opens a new windows and puts the original unformatted source code inside.
ViewSource: {
label: 'view plain',
func: function(sender, highlighter)
{
var code = dp.sh.Utils.FixForBlogger(highlighter.originalCode).replace(/</g, '<');
var wnd = window.open('', '_blank', 'width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=0');
wnd.document.write('<textarea style="width:99%;height:99%">' + code + '</textarea>');
wnd.document.close();
}
},
// Copies the original source code in to the clipboard. Uses either IE only method or Flash object if ClipboardSwf is set
CopyToClipboard: {
label: 'copy to clipboard',
check: function() { return window.clipboardData != null || dp.sh.ClipboardSwf != null; },
func: function(sender, highlighter)
{
var code = dp.sh.Utils.FixForBlogger(highlighter.originalCode)
.replace(/</g,'<')
.replace(/>/g,'>')
.replace(/&/g,'&')
;
if(window.clipboardData)
{
window.clipboardData.setData('text', code);
}
else if(dp.sh.ClipboardSwf != null)
{
var flashcopier = highlighter.flashCopier;
if(flashcopier == null)
{
flashcopier = document.createElement('div');
highlighter.flashCopier = flashcopier;
highlighter.div.appendChild(flashcopier);
}
flashcopier.innerHTML = '<embed src="' + dp.sh.ClipboardSwf + '" FlashVars="clipboard='+encodeURIComponent(code)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';
}
alert('The code is in your clipboard now');
}
},
// creates an invisible iframe, puts the original source code inside and prints it
PrintSource: {
label: 'print',
func: function(sender, highlighter)
{
var iframe = document.createElement('IFRAME');
var doc = null;
// this hides the iframe
iframe.style.cssText = 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;';
document.body.appendChild(iframe);
doc = iframe.contentWindow.document;
dp.sh.Utils.CopyStyles(doc, window.document);
doc.write('<div class="' + highlighter.div.className.replace('collapsed', '') + ' printing">' + highlighter.div.innerHTML + '</div>');
doc.close();
iframe.contentWindow.focus();
iframe.contentWindow.print();
alert('Printing...');
document.body.removeChild(iframe);
}
},
About: {
label: '?',
func: function(highlighter)
{
var wnd = window.open('', '_blank', 'dialog,width=300,height=150,scrollbars=0');
var doc = wnd.document;
dp.sh.Utils.CopyStyles(doc, window.document);
doc.write(dp.sh.Strings.AboutDialog.replace('{V}', dp.sh.Version));
doc.close();
wnd.focus();
}
}
};
// creates a <div /> with all toolbar links
dp.sh.Toolbar.Create = function(highlighter)
{
var div = document.createElement('DIV');
div.className = 'tools';
for(var name in dp.sh.Toolbar.Commands)
{
var cmd = dp.sh.Toolbar.Commands[name];
if(cmd.check != null && !cmd.check(highlighter))
continue;
div.innerHTML += '<a href="#" onclick="dp.sh.Toolbar.Command(\'' + name + '\',this);return false;">' + cmd.label + '</a>';
}
return div;
}
// executes toolbar command by name
dp.sh.Toolbar.Command = function(name, sender)
{
var n = sender;
while(n != null && n.className.indexOf('dp-highlighter') == -1)
n = n.parentNode;
if(n != null)
dp.sh.Toolbar.Commands[name].func(sender, n.highlighter);
}
// copies all <link rel="stylesheet" /> from 'target' window to 'dest'
dp.sh.Utils.CopyStyles = function(destDoc, sourceDoc)
{
var links = sourceDoc.getElementsByTagName('link');
for(var i = 0; i < links.length; i++)
if(links[i].rel.toLowerCase() == 'stylesheet')
destDoc.write('<link type="text/css" rel="stylesheet" href="' + links[i].href + '"></link>');
}
dp.sh.Utils.FixForBlogger = function(str)
{
return (dp.sh.isBloggerMode == true) ? str.replace(/<br\s*\/?>|<br\s*\/?>/gi, '\n') : str;
}
//
// Common reusable regular expressions
//
dp.sh.RegexLib = {
MultiLineCComments : new RegExp('/\\*[\\s\\S]*?\\*/', 'gm'),
SingleLineCComments : new RegExp('//.*$', 'gm'),
SingleLinePerlComments : new RegExp('#.*$', 'gm'),
DoubleQuotedString : new RegExp('"(?:\\.|(\\\\\\")|[^\\""\\n])*"','g'),
SingleQuotedString : new RegExp("'(?:\\.|(\\\\\\')|[^\\''\\n])*'", 'g')
};
//
// Match object
//
dp.sh.Match = function(value, index, css)
{
this.value = value;
this.index = index;
this.length = value.length;
this.css = css;
}
//
// Highlighter object
//
dp.sh.Highlighter = function()
{
this.noGutter = false;
this.addControls = true;
this.collapse = false;
this.tabsToSpaces = true;
this.wrapColumn = 80;
this.showColumns = true;
}
// static callback for the match sorting
dp.sh.Highlighter.SortCallback = function(m1, m2)
{
// sort matches by index first
if(m1.index < m2.index)
return -1;
else if(m1.index > m2.index)
return 1;
else
{
// if index is the same, sort by length
if(m1.length < m2.length)
return -1;
else if(m1.length > m2.length)
return 1;
}
return 0;
}
dp.sh.Highlighter.prototype.CreateElement = function(name)
{
var result = document.createElement(name);
result.highlighter = this;
return result;
}
// gets a list of all matches for a given regular expression
dp.sh.Highlighter.prototype.GetMatches = function(regex, css)
{
var index = 0;
var match = null;
while((match = regex.exec(this.code)) != null)
this.matches[this.matches.length] = new dp.sh.Match(match[0], match.index, css);
}
dp.sh.Highlighter.prototype.AddBit = function(str, css)
{
if(str == null || str.length == 0)
return;
var span = this.CreateElement('SPAN');
// str = str.replace(/&/g, '&');
str = str.replace(/ /g, ' ');
str = str.replace(/</g, '<');
// str = str.replace(/</g, '<');
// str = str.replace(/>/g, '>');
str = str.replace(/\n/gm, ' <br>');
// when adding a piece of code, check to see if it has line breaks in it
// and if it does, wrap individual line breaks with span tags
if(css != null)
{
if((/br/gi).test(str))
{
var lines = str.split(' <br>');
for(var i = 0; i < lines.length; i++)
{
span = this.CreateElement('SPAN');
span.className = css;
span.innerHTML = lines[i];
this.div.appendChild(span);
// don't add a <BR> for the last line
if(i + 1 < lines.length)
this.div.appendChild(this.CreateElement('BR'));
}
}
else
{
span.className = css;
span.innerHTML = str;
this.div.appendChild(span);
}
}
else
{
span.innerHTML = str;
this.div.appendChild(span);
}
}
// checks if one match is inside any other match
dp.sh.Highlighter.prototype.IsInside = function(match)
{
if(match == null || match.length == 0)
return false;
for(var i = 0; i < this.matches.length; i++)
{
var c = this.matches[i];
if(c == null)
continue;
if((match.index > c.index) && (match.index < c.index + c.length))
return true;
}
return false;
}
dp.sh.Highlighter.prototype.ProcessRegexList = function()
{
for(var i = 0; i < this.regexList.length; i++)
this.GetMatches(this.regexList[i].regex, this.regexList[i].css);
}
dp.sh.Highlighter.prototype.ProcessSmartTabs = function(code)
{
var lines = code.split('\n');
var result = '';
var tabSize = 4;
var tab = '\t';
// This function inserts specified amount of spaces in the string
// where a tab is while removing that given tab.
function InsertSpaces(line, pos, count)
{
var left = line.substr(0, pos);
var right = line.substr(pos + 1, line.length); // pos + 1 will get rid of the tab
var spaces = '';
for(var i = 0; i < count; i++)
spaces += ' ';
return left + spaces + right;
}
// This function process one line for 'smart tabs'
function ProcessLine(line, tabSize)
{
if(line.indexOf(tab) == -1)
return line;
var pos = 0;
while((pos = line.indexOf(tab)) != -1)
{
// This is pretty much all there is to the 'smart tabs' logic.
// Based on the position within the line and size of a tab,
// calculate the amount of spaces we need to insert.
var spaces = tabSize - pos % tabSize;
line = InsertSpaces(line, pos, spaces);
}
return line;
}
// Go through all the lines and do the 'smart tabs' magic.
for(var i = 0; i < lines.length; i++)
result += ProcessLine(lines[i], tabSize) + '\n';
return result;
}
dp.sh.Highlighter.prototype.SwitchToList = function()
{
// thanks to Lachlan Donald from SitePoint.com for this <br/> tag fix.
var html = this.div.innerHTML.replace(/<(br)\/?>/gi, '\n');
var lines = html.split('\n');
if(this.addControls == true)
this.bar.appendChild(dp.sh.Toolbar.Create(this));
// add columns ruler
if(this.showColumns)
{
var div = this.CreateElement('div');
var columns = this.CreateElement('div');
var showEvery = 10;
var i = 1;
while(i <= 150)
{
if(i % showEvery == 0)
{
div.innerHTML += i;
i += (i + '').length;
}
else
{
div.innerHTML += '·';
i++;
}
}
columns.className = 'columns';
columns.appendChild(div);
this.bar.appendChild(columns);
}
for(var i = 0, lineIndex = this.firstLine; i < lines.length - 1; i++, lineIndex++)
{
var li = this.CreateElement('LI');
var span = this.CreateElement('SPAN');
// uses .line1 and .line2 css styles for alternating lines
li.className = (i % 2 == 0) ? 'alt' : '';
span.innerHTML = lines[i] + ' ';
li.appendChild(span);
this.ol.appendChild(li);
}
this.div.innerHTML = '';
}
dp.sh.Highlighter.prototype.Highlight = function(code)
{
function Trim(str)
{
return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
}
function Chop(str)
{
return str.replace(/\n*$/, '').replace(/^\n*/, '');
}
function Unindent(str)
{
var lines = dp.sh.Utils.FixForBlogger(str).split('\n');
var indents = new Array();
var regex = new RegExp('^\\s*', 'g');
var min = 1000;
// go through every line and check for common number of indents
for(var i = 0; i < lines.length && min > 0; i++)
{
if(Trim(lines[i]).length == 0)
continue;
var matches = regex.exec(lines[i]);
if(matches != null && matches.length > 0)
min = Math.min(matches[0].length, min);
}
// trim minimum common number of white space from the begining of every line
if(min > 0)
for(var i = 0; i < lines.length; i++)
lines[i] = lines[i].substr(min);
return lines.join('\n');
}
// This function returns a portions of the string from pos1 to pos2 inclusive
function Copy(string, pos1, pos2)
{
return string.substr(pos1, pos2 - pos1);
}
var pos = 0;
if(code == null)
code = '';
this.originalCode = code;
this.code = Chop(Unindent(code));
this.div = this.CreateElement('DIV');
this.bar = this.CreateElement('DIV');
this.ol = this.CreateElement('OL');
this.matches = new Array();
this.div.className = 'dp-highlighter';
this.div.highlighter = this;
this.bar.className = 'bar';
// set the first line
this.ol.start = this.firstLine;
if(this.CssClass != null)
this.ol.className = this.CssClass;
if(this.collapse)
this.div.className += ' collapsed';
if(this.noGutter)
this.div.className += ' nogutter';
// replace tabs with spaces
if(this.tabsToSpaces == true)
this.code = this.ProcessSmartTabs(this.code);
this.ProcessRegexList();
// if no matches found, add entire code as plain text
if(this.matches.length == 0)
{
this.AddBit(this.code, null);
this.SwitchToList();
this.div.appendChild(this.bar);
this.div.appendChild(this.ol);
return;
}
// sort the matches
this.matches = this.matches.sort(dp.sh.Highlighter.SortCallback);
// The following loop checks to see if any of the matches are inside
// of other matches. This process would get rid of highligted strings
// inside comments, keywords inside strings and so on.
for(var i = 0; i < this.matches.length; i++)
if(this.IsInside(this.matches[i]))
this.matches[i] = null;
// Finally, go through the final list of matches and pull the all
// together adding everything in between that isn't a match.
for(var i = 0; i < this.matches.length; i++)
{
var match = this.matches[i];
if(match == null || match.length == 0)
continue;
this.AddBit(Copy(this.code, pos, match.index), null);
this.AddBit(match.value, match.css);
pos = match.index + match.length;
}
this.AddBit(this.code.substr(pos), null);
this.SwitchToList();
this.div.appendChild(this.bar);
this.div.appendChild(this.ol);
}
dp.sh.Highlighter.prototype.GetKeywords = function(str)
{
return '\\b' + str.replace(/ /g, '\\b|\\b') + '\\b';
}
dp.sh.BloggerMode = function()
{
dp.sh.isBloggerMode = true;
}
// highlightes all elements identified by name and gets source code from specified property
dp.sh.HighlightAll = function(name, showGutter /* optional */, showControls /* optional */, collapseAll /* optional */, firstLine /* optional */, showColumns /* optional */)
{
function FindValue()
{
var a = arguments;
for(var i = 0; i < a.length; i++)
{
if(a[i] == null)
continue;
if(typeof(a[i]) == 'string' && a[i] != '')
return a[i] + '';
if(typeof(a[i]) == 'object' && a[i].value != '')
return a[i].value + '';
}
return null;
}
function IsOptionSet(value, list)
{
for(var i = 0; i < list.length; i++)
if(list[i] == value)
return true;
return false;
}
function GetOptionValue(name, list, defaultValue)
{
var regex = new RegExp('^' + name + '\\[(\\w+)\\]$', 'gi');
var matches = null;
for(var i = 0; i < list.length; i++)
if((matches = regex.exec(list[i])) != null)
return matches[1];
return defaultValue;
}
function FindTagsByName(list, name, tagName)
{
var tags = document.getElementsByTagName(tagName);
for(var i = 0; i < tags.length; i++)
if(tags[i].getAttribute('name') == name)
list.push(tags[i]);
}
var elements = [];
var highlighter = null;
var registered = {};
var propertyName = 'value';
// for some reason IE doesn't find <pre/> by name, however it does see them just fine by tag name...
FindTagsByName(elements, name, 'pre');
FindTagsByName(elements, name, 'textarea');
if(elements.length == 0)
return;
// register all brushes
for(var brush in dp.sh.Brushes)
{
var aliases = dp.sh.Brushes[brush].Aliases;
if(aliases == null)
continue;
for(var i = 0; i < aliases.length; i++)
registered[aliases[i]] = brush;
}
var hlResult = new Array();
for(var i = 0; i < elements.length; i++)
{
var element = elements[i];
var options = FindValue(
element.attributes['class'], element.className,
element.attributes['language'], element.language
);
var language = '';
if(options == null)
continue;
options = options.split(':');
language = options[0].toLowerCase();
if(registered[language] == null)
continue;
// instantiate a brush
highlighter = new dp.sh.Brushes[registered[language]]();
// hide the original element
element.style.display = 'none';
highlighter.noGutter = (showGutter == null) ? IsOptionSet('nogutter', options) : !showGutter;
highlighter.addControls = (showControls == null) ? !IsOptionSet('nocontrols', options) : showControls;
highlighter.collapse = (collapseAll == null) ? IsOptionSet('collapse', options) : collapseAll;
highlighter.showColumns = (showColumns == null) ? IsOptionSet('showcolumns', options) : showColumns;
// write out custom brush style
var headNode = document.getElementsByTagName('head')[0];
if(highlighter.Style && headNode)
{
var styleNode = document.createElement('style');
styleNode.setAttribute('type', 'text/css');
if(styleNode.styleSheet) // for IE
{
styleNode.styleSheet.cssText = highlighter.Style;
}
else // for everyone else
{
var textNode = document.createTextNode(highlighter.Style);
styleNode.appendChild(textNode);
}
headNode.appendChild(styleNode);
}
// first line idea comes from Andrew Collington, thanks!
highlighter.firstLine = (firstLine == null) ? parseInt(GetOptionValue('firstline', options, 1)) : firstLine;
highlighter.Highlight(element[propertyName]);
highlighter.source = element;
hlResult.push([highlighter.div.innerHTML , highlighter.source.value ,language]);
//element.parentNode.insertBefore(highlighter.div, element);
}
return hlResult;
}