将UBB编码转成标准的HTML代码

/// <summary>
/// 将UBB编码转成标准的HTML代码
/// </summary>
/// <param name="argString"></param>
/// <returns></returns>
public static string HtmlDecode(string argString)
{
string tString = argString;
if (tString != "")
{
Regex tRegex;
bool tState = true;
tString = tString.Replace("&", "&amp;");
tString = tString.Replace(">", "&gt;");
tString = tString.Replace("<", "&lt;");
tString = tString.Replace(""", "&quot;");
tString = Regex.Replace(tString, @"[br]", "<br />", RegexOptions.IgnoreCase);
string[,] tRegexAry = {
{@"[p]([^[]*?)[/p]", "$1<br />"},
{@"[b]([^[]*?)[/b]", "<b>$1</b>"},
{@"[i]([^[]*?)[/i]", "<i>$1</i>"},
{@"[u]([^[]*?)[/u]", "<u>$1</u>"},
{@"[ol]([^[]*?)[/ol]", "<ol>$1</ol>"},
{@"[ul]([^[]*?)[/ul]", "<ul>$1</ul>"},
{@"[li]([^[]*?)[/li]", "<li>$1</li>"},
{@"[code]([^[]*?)[/code]", "<div class="ubb_code">$1</div>"},
{@"[quote]([^[]*?)[/quote]", "<div class="ubb_quote">$1</div>"},
{@"[color=([^]]*)]([^[]*?)[/color]", "<font style="color: $1">$2</font>"},
{@"[hilitecolor=([^]]*)]([^[]*?)[/hilitecolor]", "<font style="background-color: $1">$2</font>"},
{@"[align=([^]]*)]([^[]*?)[/align]", "<div style="text-align: $1">$2</div>"},
{@"[url=([^]]*)]([^[]*?)[/url]", "<a href="$1">$2</a>"},
{@"[img]([^[]*?)[/img]", "<img src="$1" />"}
};
while (tState)
{
tState = false;
for (int ti = 0; ti < tRegexAry.GetLength(0); ti++)
{
tRegex = new Regex(tRegexAry[ti, 0], RegexOptions.IgnoreCase);
if (tRegex.Match(tString).Success)
{
tState = true;
tString = Regex.Replace(tString, tRegexAry[ti, 0], tRegexAry[ti, 1], RegexOptions.IgnoreCase);
}
}
}
}
return tString;
}