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2007-03 ( 2)
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CSS prototype C C++C#

js 代码

/**
* Code Syntax Highlighter.
* Version 1.3.0
* 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 : {},
Version : '1.4.1'
}
};
dp.sh.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>©2004-2005 Alex Gorbatchev. All right reserved.</td></tr><tr><td class="footer"><input type="button" class="close" value="OK" onClick="window.close()"/></td></tr></table></body></html>'
};
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 = highlighter.originalCode.replace(/</g, '<');
var wnd = window.open('', '_blank', 'width=750, height=400, location=0, resizable=1, menubar=0, scrollbars=1');
wnd.document.write('<textarea style="width:99%;height:99%">' + code + '</textarea>');
wnd.document.close();
}
},
// copies the original source code in to the clipboard (IE only)
CopyToClipboard: {
label: 'copy to clipboard',
check: function() { return window.clipboardData != null; },
func: function(sender, highlighter)
{
window.clipboardData.setData('text', highlighter.originalCode);
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>');
}
//
// Common reusable regular expressions
//
dp.sh.RegexLib = {
MultiLineCComments : new RegExp('/\\*[\\s\\S]*?\\*/', 'gm'),
SingleLineCComments : new RegExp('//.*$', 'gm'),
SingleLinePerlComments : new RegExp('#.*$', 'gm'),
DoubleQuotedString : new RegExp('"(?:\\.|(\\\\\\")|[^\\""])*"','g'),
SingleQuotedString : new RegExp("'(?:\\.|(\\\\\\')|[^\\''])*'", '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(/\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)
{
var regex = new RegExp('<br>', 'gi');
if(regex.test(str))
{
var lines = str.split(' <br>');
str = '';
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 = 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;
this.originalCode = code;
&nb

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