asp.net(c#) ubb处理类

using System;
using System.Web;
using System.Web.UI;
using System.Text.RegularExpressions;
namespace STH.function
{
/// <summary>
/// UbbCode 的摘要说明。
/// </summary>
public class UbbCode
{
Root theroot=new Root();
HttpContext context = HttpContext.Current;
public UbbCode()
{
//
// TODO: 在此处添加构造函数逻辑
//
}

public String unhtml(string str)
{
str = context.Server.HtmlEncode(str);
str = str.Replace("&","&");
return str;
}
public String turnit(string str)
{
Regex r;
Match m;
str = str.Replace("[","[|");
str = str.Replace("]","|]");
r = new Regex(@"(http|mms|rtsp|ftp|https)(:\/\/)");
for (m = r.Match(str); m.Success; m = m.NextMatch())
{
str = str.Replace(m.Groups[0].ToString(), m.Groups[1].ToString() + "$"+m.Groups[2].ToString());
}
return str;
}
public String turnof(string str)
{
Regex r;
Match m;
str = str.Replace("[|","[");
str = str.Replace("|]","]");
r = new Regex(@"(http|mms|rtsp|ftp|https)(\$:\/\/)");
for (m = r.Match(str); m.Success; m = m.NextMatch())
{
str = str.Replace(m.Groups[0].ToString(), m.Groups[1].ToString() + m.Groups[2].ToString().Replace("$",""));
}

return str;
}

public String UBB(string sDetail)
{
Regex r;
Match m;
sDetail = sDetail.Replace("[swf]","[swf=300,250]");
sDetail = sDetail.Replace("[rm]","[rm=300,250]");
sDetail = sDetail.Replace("[mp]","[mp=300,250]");
sDetail = unhtml(sDetail);
sDetail = sDetail.Replace("\n","<br />");
//sDetail = sDetail.Replace("　 ","　");
//[code]标签
r = new Regex(@"(\[code\])([\s\S]+?)(\[\/code\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<textarea style=https://www.jb51.net/article/\"border: 1px solid #94BBE2;width:98%;OVERFLOW: hidden;cursor:default;\" rows=https://www.jb51.net/article/\"15\" onclick=https://www.jb51.net/article/\"this.style.posHeight=this.scrollHeight\">" + turnit(m.Groups[2].ToString().Replace("<br />","\n")) + "</textarea>");
}
int i=1;
r = new Regex(@"(\[html\])([\s\S]+?)(\[\/html\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
i=i+1;
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<TEXTAREA rows=https://www.jb51.net/article/\"12\" style=https://www.jb51.net/article/\"width:98%\" id=https://www.jb51.net/article/\"rid"+i+"https://www.jb51.net/article/\">" + turnit(m.Groups[2].ToString().Replace("<br />","\n")) + "</TEXTAREA><INPUT onclick=https://www.jb51.net/article/\"runEx('rid"+i+"')\" type=button value=https://www.jb51.net/article/\"Have A Try\" class=https://www.jb51.net/article/\"input1\"> [Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行] ");
//sDetail = sDetail.Replace("<br />","");
}
sDetail=turnhtm(sDetail);
return turnof(sDetail);
}
public String turnhtm(string sDetail)
{
Regex r;
Match m;
//////////[b][/b]
r = new Regex(@"(\[b\])([ \S\t]*?)(\[\/b\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<B>" + m.Groups[2].ToString() + "</B>");
}
//////////////////////转换笑脸///////////////////////////
r = new Regex(@"(\[face=)([0-9]*)\]",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<img src='"https://www.jb51.net/+theroot.foderpath()+"images/face/"+ m.Groups[2].ToString() +".gif'>");
}

r = new Regex(@"(\[i\])([ \S\t]*?)(\[\/i\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<I>" + m.Groups[2].ToString() + "</I>");
}

r = new Regex(@"(\[U\])([ \S\t]*?)(\[\/U\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<U>" + m.Groups[2].ToString() + "</U>");
}

//处[p][/p]标记
r = new Regex(@"((\r\n)*\[p\])(.+?)((\r\n)*\[\/p\])",RegexOptions.IgnoreCase|RegexOptions.Singleline);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<P class=https://www.jb51.net/article/\"pstyle\">" + m.Groups[3].ToString() + "</P>");
}

//处[quote][/quote]标记
r = new Regex(@"(\[quote\])([\s\S]+?)(\[\/quote\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"Quote:<br /><p class=https://www.jb51.net/article/\"qstyle\">" + m.Groups[2].ToString() + "</p>");
}


//处标记
r = new Regex(@"(\[url\])([ \S\t]*?)(\[\/url\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<A href=https://www.jb51.net/article/\"" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" target=https://www.jb51.net/article/\"_blank\">" +
m.Groups[2].ToString() + "</A>");
}

//处[url=xxx][/url]标记
r = new Regex(@"(\[url=([ \S\t]+)\])([ \S\t]*?)(\[\/url\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<A href=https://www.jb51.net/article/\"" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" target=https://www.jb51.net/article/\"_blank\">" +
m.Groups[3].ToString() + "</A>");
}

//处[email][/email]标记
r = new Regex(@"(\[email\])([ \S\t]*?)(\[\/email\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<A href=https://www.jb51.net/article/\"mailto:" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" target=https://www.jb51.net/article/\"_blank\">" +
m.Groups[2].ToString() + "</A>");
}
//处[down][/down]标记
r = new Regex(@"(\[down\])([ \S\t]*?)(\[\/down\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<A href=https://www.jb51.net/article/\"" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" target=https://www.jb51.net/article/\"_blank\"><img src=https://www.jb51.net/images/download.gif width=16 height=16 title='点击下载' border=0></A>");
}
//处[w][/w]标记
r = new Regex(@"(\[w\])([ \S\t]*?)(\[\/w\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<iframe src=https://www.jb51.net/article/\"" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" frameborder='0'></iframe><a href=https://www.jb51.net/article/\"" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" title=https://www.jb51.net/article/\"在新窗口中浏览\" target=_blank>"+m.Groups[2]+"</A>");
}

//处[email=xxx][/email]标记
r = new Regex(@"(\[email=([ \S\t]+)\])([ \S\t]*?)(\[\/email\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<A href=https://www.jb51.net/article/\"mailto:" + m.Groups[2].ToString() + "https://www.jb51.net/article/\" target=https://www.jb51.net/article/\"_blank\">" +
m.Groups[3].ToString() + "</A>");
}

//处[size=x][/size]标记
r = new Regex(@"(\[size=([1-7])\])([ \S\t]*?)(\[\/size\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<FONT SIZE=" + m.Groups[2].ToString() + ">" +
m.Groups[3].ToString() + "</FONT>");
}

//处[color=x][/color]标记
r = new Regex(@"(\[color=([\S]+)\])([ \S\t]*?)(\[\/color\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<FONT COLOR=" + m.Groups[2].ToString() + ">" +
m.Groups[3].ToString() + "</FONT>");
}

//处[font=x][/font]标记
r = new Regex(@"(\[font=(\w+)\])([ \S\t]*?)(\[\/font\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<FONT FACE=" + m.Groups[2].ToString() + ">" +
m.Groups[3].ToString() + "</FONT>");
}

//处理图片链接
r = new Regex(@"(\[img\])(.+?)(\[\/img\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
if(m.Groups[0].ToString().IndexOf("http://")>=0)
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<img src=https://www.jb51.net/article/\""+m.Groups[2].ToString()+"https://www.jb51.net/article/\" border=https://www.jb51.net/article/\"0\" class=https://www.jb51.net/article/\"imgborder\" onload=https://www.jb51.net/article/\"if(this.width>600) {this.width=600};\" ondblclick=https://www.jb51.net/article/\"window.open('"+m.Groups[2].ToString()+"')\" title=https://www.jb51.net/article/\"双击在新窗口中打开\" />");
}
else
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<img src=https://www.jb51.net/article/\""https://www.jb51.net/+theroot.foderpath()+"drawimg.aspx?f="+m.Groups[2].ToString()+"https://www.jb51.net/article/\" border=https://www.jb51.net/article/\"0\" class=https://www.jb51.net/article/\"imgborder\" onload=https://www.jb51.net/article/\"if(this.width>600) {this.width=600};\" ondblclick=https://www.jb51.net/article/\"window.open('"+m.Groups[2].ToString()+"')\" title=https://www.jb51.net/article/\"双击在新窗口中打开\" />");
}
}

//处理

r = new Regex(@"(\[align=(\w+)\])([ \S\t]*?)(\[\/align\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<P>" +
m.Groups[3].ToString() + "</P>");
}




//处理[list=x][*][/list]
r = new Regex(@"(\[list(=(A|a|I|i| ))?\]([ \S\t]*)\r\n)((\[\*\]([ \S\t]*\r\n))*?)(\[\/list\])",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
string strLI = m.Groups[5].ToString();
Regex rLI = new Regex(@"\[\*\]([ \S\t]*\r\n?)",RegexOptions.IgnoreCase);
Match mLI;
for (mLI = rLI.Match(strLI); mLI.Success; mLI = mLI.NextMatch())
{
strLI = strLI.Replace(mLI.Groups[0].ToString(),"<LI>" + mLI.Groups[1]);
}
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"<UL TYPE=https://www.jb51.net/article/\"" + m.Groups[3].ToString() + "https://www.jb51.net/article/\"><B>" + m.Groups[4].ToString() + "</B>" +
strLI + "</UL>");
}


r = new Regex(@"\[swf=([0-9]*),([0-9]*)\](.+?)\[\/swf\]",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<object classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0><param name=movie value='"+ m.Groups[3].ToString() +"'><param name=quality value=high><embed src='"+ m.Groups[3].ToString() +"' quality=high pluginspage=http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash type=application/x-shockwave-flash></embed></object>");
}
r = new Regex(@"\[rm=([0-9]*),([0-9]*)\](.+?)\[\/rm\]",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<OBJECT classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA class=OBJECT id=RAOCX><PARAM NAME=SRC VALUE='"+ m.Groups[3].ToString() +"'><PARAM NAME=CONSOLE VALUE=Clip1><PARAM NAME=CONTROLS VALUE=imagewindow><PARAM NAME=AUTOSTART VALUE=false><PARAM NAME=loop VALUE=true></OBJECT><br /><OBJECT classid=CLSID:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA height=32 id=video2><PARAM NAME=SRC VALUE='"+ m.Groups[3].ToString() +"'><PARAM NAME=AUTOSTART VALUE=false><PARAM NAME=loop VALUE=true><PARAM NAME=CONTROLS VALUE=controlpanel><PARAM NAME=CONSOLE VALUE=Clip1></OBJECT>");
}
r = new Regex(@"\[mp=([0-9]*),([0-9]*)\](.+?)\[\/mp\]",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),"<object classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95' id=MediaPlayer ><param name=ShowStatusBar value=-1><PARAM NAME=AUTOSTART VALUE=false><param name=loop value=true><param name=Filename value='"+ m.Groups[3].ToString() +"'><embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src='"+ m.Groups[2].ToString() +"'></embed></object>");
}
/////////////处理链接

r = new Regex(@"([^>=""\?\'])((http|mms|rtsp|ftp|https):\/\/([A-Za-z0-9\.\/=https://www.jb51.net/article/\?%\-&_~`@':+!]+))",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),m.Groups[1]+"<a href='" + m.Groups[2].ToString() + "' target=_blank>" + m.Groups[2].ToString() + "</a>");
}

r = new Regex(@"(^|\s|<br />|<p>)((http|https|ftp|rtsp|mms)(:\/\/)([A-Za-z0-9\.\/=https://www.jb51.net/article/\?%\-&_~`@':+!]+))",RegexOptions.IgnoreCase);
for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
{
sDetail = sDetail.Replace(m.Groups[0].ToString(),m.Groups[1]+"<a href='" + m.Groups[2].ToString() + "' target=_blank>" + m.Groups[2].ToString() + "</a>");
}
return sDetail;
}
}
}