UBB转HTML

最新推荐文章于 2021-06-21 10:24:23 发布

原创最新推荐文章于 2021-06-21 10:24:23 发布 · 164 阅读

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CC 4.0 BY-SA版权

本文介绍了一种UBB（Ultimate Bulletin Board）语法到HTML的转换方法，通过正则表达式实现对UBB标签的识别，并将其转换为相应的HTML标签，支持多种格式如图片、链接、字体样式等。

UBB转HTML

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/// <summary>
/// 转全角的函数(SBC case)
/// </summary>
/// <param name="input"> 任意字符串 </param>
/// <returns> 全角字符串 </returns>
/// <remarks>
/// 全角空格为12288，半角空格为32
/// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
/// </remarks>
public static string ConvertToSBC( string input)
{
// 半角转全角：
char [] c = input.ToCharArray();
for ( int i = 0 ; i < c.Length; i ++ )
{
if (c[i] == 32 )
{
c[i] = ( char ) 12288 ;
continue ;
}
if (c[i] < 127 )
{
c[i] = ( char )(c[i] + 65248 );
}
}
return new string (c);
}

/// <summary>
/// 转半角的函数(DBC case)
/// </summary>
/// <param name="input"> 任意字符串 </param>
/// <returns> 半角字符串 </returns>
/// <remarks>
/// 全角空格为12288，半角空格为32
/// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
/// </remarks>
public static string ConvertToDBC( string input)
{
char [] c = input.ToCharArray();
for ( int i = 0 ; i < c.Length; i ++ )
{
if (c[i] == 12288 )
{
c[i] = ( char ) 32 ;
continue ;
}
if (c[i] > 65280 && c[i] < 65375 )
{
c[i] = ( char )(c[i] - 65248 );
}
}
return new string (c);
}

/// <summary>
/// UBB转HTML
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static string UbbToHtml( string s)
{
s = HtmlFilter(s);
s = s.Replace( " " , "   " ); // 空格
s = s.Replace( " \n " , " <br/> " ); // 回车
Regex reg = new Regex( @" (\[IMG\])(.[^\[]*)(\[\/IMG\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a href=""$2"" target=_blank><IMG SRC=""$2"" border=0 alt=按此在新窗口浏览图片 onload=""javascript:if(this.width>screen.width-333)this.width=screen.width-333""></a> " );

reg = new Regex( @" \[DIR=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/DIR] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <object classid=clsid:166B1BCA-3F9C-11CF-8075-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=7,0,2,0 width=$1 height=$2><param name=src value=$3><embed src=$3 pluginspage=http://www.macromedia.com/shockwave/download/ width=$1 height=$2></embed></object> " );

reg = new Regex( @" \[QT=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/QT] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <embed src=$3 width=$1 height=$2 autoplay=true loop=false controller=true playeveryframe=false cache=false scale=TOFIT bgcolor=#000000 kioskmode=false targetcache=false pluginspage=http://www.apple.com/quicktime/> " );

reg = new Regex( @" \[MP=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/MP] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <object align=middle classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 class=OBJECT id=MediaPlayer width=$1 height=$2 ><param name=ShowStatusBar value=-1><param name=Filename value=$3><embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src=$3 width=$1 height=$2></embed></object> " );

reg = new Regex( @" \[RM=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/RM] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <OBJECT classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA class=OBJECT id=RAOCX width=$1 height=$2><PARAM NAME=SRC VALUE=$3><PARAM NAME=CONSOLE VALUE=Clip1><PARAM NAME=CONTROLS VALUE=imagewindow><PARAM NAME=AUTOSTART VALUE=true></OBJECT><br><OBJECT classid=CLSID:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA height=32 id=video2 width=$1><PARAM NAME=SRC VALUE=$3><PARAM NAME=AUTOSTART VALUE=-1><PARAM NAME=CONTROLS VALUE=controlpanel><PARAM NAME=CONSOLE VALUE=Clip1></OBJECT> " );

reg = new Regex( @" (\[FLASH\])(.[^\[]*)(\[\/FLASH\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=500 height=400><PARAM NAME=movie VALUE=""$2""><PARAM NAME=quality VALUE=high><embed src=""$2"" quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width=500 height=400>$2</embed></OBJECT> " );

reg = new Regex( @" (\[ZIP\])(.[^\[]*)(\[\/ZIP\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <br><IMG SRC=pic/zip.gif border=0> <a href=""$2"">点击下载该文件</a> " );

reg = new Regex( @" (\[RAR\])(.[^\[]*)(\[\/RAR\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <br><IMG SRC=pic/rar.gif border=0> <a href=""$2"">点击下载该文件</a> " );

reg = new Regex( @" (\[UPLOAD=(.[^\[]*)\])(.[^\[]*)(\[\/UPLOAD\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <br><IMG SRC=""pic/$2.gif"" border=0>此主题相关图片如下：<br><A HREF=""$3"" TARGET=_blank><IMG SRC=""$3"" border=0 alt=按此在新窗口浏览图片 onload=""javascript:if(this.width>screen.width-333)this.width=screen.width-333""></A> " );

reg = new Regex( @" (\[URL\])(http:\/\/.[^\[]*)(\[\/URL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""$2"" TARGET=_blank>$2</A> " );

reg = new Regex( @" (\[URL\])(.[^\[]*)(\[\/URL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""http://$2"" TARGET=_blank>$2</A> " );

reg = new Regex( @" (\[URL=(http:\/\/.[^\[]*)\])(.[^\[]*)(\[\/URL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""$2"" TARGET=_blank>$3</A> " );

reg = new Regex( @" (\[URL=(.[^\[]*)\])(.[^\[]*)(\[\/URL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""http://$2"" TARGET=_blank>$3</A> " );

reg = new Regex( @" (\[EMAIL\])(\S+\@.[^\[]*)(\[\/EMAIL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""mailto:$2"">$2</A> " );

reg = new Regex( @" (\[EMAIL=(\S+\@.[^\[]*)\])(.[^\[]*)(\[\/EMAIL\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <A HREF=""mailto:$2"" TARGET=_blank>$3</A> " );

reg = new Regex( @" ^(HTTP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" (HTTP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+)$ " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" [^>=""](HTTP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" ^(FTP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" (FTP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+)$ " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" [^>=""](FTP://[A-Za-z0-9\.\/=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" ^(RTSP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" (RTSP://[A-Za-z0-9\./=\?%\-&_~`@':+!]+)$ " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" [^>=""](RTSP://[A-Za-z0-9\.\/=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" ^(MMS://[A-Za-z0-9\./=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );
reg = new Regex( @" (MMS://[A-Za-z0-9\./=\?%\-&_~`@':+!]+)$ " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" [^>=""](MMS://[A-Za-z0-9\.\/=\?%\-&_~`@':+!]+) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <a target=_blank href=$1>$1</a> " );

reg = new Regex( @" (\[HTML\])(.[^\[]*)(\[\/HTML\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <table width='100%' border='0' cellspacing='0' cellpadding='6' bgcolor=''><td><b>以下内容为程序代码:</b><br>$2</td></table> " );

reg = new Regex( @" (\[CODE\])(.[^\[]*)(\[\/CODE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <table width='100%' border='0' cellspacing='0' cellpadding='6' bgcolor=''><td><b>以下内容为程序代码:</b><br>$2</td></table> " );

reg = new Regex( @" (\[COLOR=(.[^\[]*)\])(.[^\[]*)(\[\/COLOR\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font COLOR=$2>$3</font> " );

reg = new Regex( @" (\[FACE=(.[^\[]*)\])(.[^\[]*)(\[\/FACE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font FACE=$2>$3</font> " );

reg = new Regex( @" (\[ALIGN=(.[^\[]*)\])(.*)(\[\/ALIGN\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <div ALIGN=$2>$3</div> " );

reg = new Regex( @" (\[QUOTE\])(.*)(\[\/QUOTE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <table cellpadding=0 cellspacing=0 border=0 WIDTH=94% bgcolor=#000000 align=center><tr><td><table width=100% cellpadding=5 cellspacing=1 border=0><TR><TD BGCOLOR=''>$2</table></table><br> " );

reg = new Regex( @" (\[MOVE\])(.*)(\[\/MOVE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <MARQUEE scrollamount=3>$2</marquee> " );

reg = new Regex( @" \[GLOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\](.[^\[]*)\[\/GLOW] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <table width=$1 style=""filter:glow(color=$2, strength=$3)"">$4</table> " );

reg = new Regex( @" \[SHADOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)\](.[^\[]*)\[\/SHADOW] " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <table width=$1 style=""filter:shadow(color=$2, strength=$3)"">$4</table> " );

reg = new Regex( @" (\[I\])(.[^\[]*)(\[\/I\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <i>$2</i> " );

reg = new Regex( @" (\[B\])(.[^\[]*)(\[\/U\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <u>$2</u> " );

reg = new Regex( @" (\[B\])(.[^\[]*)(\[\/B\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <b>$2</b> " );

reg = new Regex( @" (\[FLY\])(.[^\[]*)(\[\/FLY\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <marquee onmouseover='this.stop();' onmouseout='this.start();'>$2</marquee> " );

reg = new Regex( @" (\[SIZE=1\])(.[^\[]*)(\[\/SIZE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font size=1>$2</font> " );

reg = new Regex( @" (\[SIZE=2\])(.[^\[]*)(\[\/SIZE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font size=2>$2</font> " );

reg = new Regex( @" (\[SIZE=3\])(.[^\[]*)(\[\/SIZE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font size=3>$2</font> " );

reg = new Regex( @" (\[SIZE=4\])(.[^\[]*)(\[\/SIZE\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <font size=4>$2</font> " );

reg = new Regex( @" (\[CENTER\])(.[^\[]*)(\[\/CENTER\]) " , RegexOptions.IgnoreCase);
s = reg.Replace(s, @" <center>$2</center> " );
return s;
}

posted on 2011-02-20 18:01 RockyLOMO 阅读(...) 评论(...) 编辑收藏