using system;
using system.text;
using system.text.regularexpressions;
namespace com.osleague.component
{
/// <summary>
/// 语法分析器，将所有code根据语法进行变色
/// <list type="vb">支持vb.net</list>
/// <list type="cs">支持cs</list>
/// <author>掉掉</author>
/// <date>2002年5月14日</date>
/// <memo>
/// 练习正则表达式
/// </memo>
/// </summary>
public class codeanalysis
{
//
//定义html开始和结束的语句，用于语法变色
//
const string tag_fntred = @"<font color=""red"">";
const string tag_fntblue = @"<font color=""blue"">" ;
const string tag_fntgrn = @"<font color=""green"">" ;
const string tag_fntmrn = @"<font color=""maroon"">" ;
const string tag_fntblack = @"<font color=""black"">" ;
const string tag_efont = @"</font>" ;
const string tag_spnyellow = @"<span style=""background-color: yellow;"">";
const string tag_espan = @"</span>";
const string tag_b = @"<b>";
const string tag_eb = @"</b>";
const string tag_comment = @"<font colr=#008200>";
const string tag_ecomment = @"</font>";
//
public codeanalysis()
{
//
// todo: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 处理vb.net代码，彩色化..
/// </summary>
/// <param name="code">传入的code</param>
/// <returns>处理过后的代码</returns>
public string parsevb(string code)
{
//
//定义vb.net中关键字，将其存为数组
//
string[] vb_keyword = new string[]
{
"addhandler","addressof","andalso","alias","and","ansi","as","assembly","auto","boolean",
"byref","byte","byval","call","case","catch","cbool","cbyte","cchar",
"cdate","cdec","cdbl","char","cint","class","clng","cobj","const",
"cshort","csng","cstr","ctype","date","decimal","declare","default",
"delegate","dim","directcast","do","double","each","else","elseif","end",
"enum","erase","error","event","exit","false",
"finally","for","friend","function","get","gettype","goto","handles","if",
"implements","imports","in","inherits","integer","interface",
"is","let","lib","like","long","loop","me","mod","module",
"mustinherit","mustoverride","mybase","myclass","namespace","new","next","not","nothing",
"notinheritable","notoverridable","object","on","option","optional","or","orelse",
"overloads","overridable","overrides","paramarray","preserve","private","property","protected","public",
"raiseevent","readonly","redim","removehandler","resume","return",
"select","set","shadows","shared","short","single","static","step","stop",
"string","structure","sub","synclock","then","throw",
"to","true","try","typeof","unicode","until","variant","when","while",
"with","withevents","writeonly","xor"
};
//
//设定转换代码颜色
//
string replacevbcomment = tag_comment + "$1" + tag_ecomment;
string replacevbkeyword = tag_fntblue + "${char}" + tag_efont;
//开始转换
for (int i=0;i<vb_keyword.length;i++)
{
string tempdirectives = @"(?<char>(/s" + vb_keyword[i] + "|" + vb_keyword[i] + @"/s))";
code = regex.replace(code,tempdirectives,replacevbkeyword,regexoptions.ignorecase);
code = regex.replace(code,@"'(?<x>[^/r/n]*)",replacevbcomment);
code = regex.replace(code,@"rem (?<x>[^/r/n]*)",replacevbcomment);
}
return code;
}
}
}
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