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using System;
using System.IO;
class diff2html{
public static void Main( string[] args ){
if( args.Length <= 0 ){
return;
}
if( !File.Exists( args[0] ) ){
return;
}
string infile = args[0];
string outfile = Path.GetFileNameWithoutExtension( infile ) + ".html";
using( StreamWriter sw = new StreamWriter( outfile ) )
using( StreamReader sr = new StreamReader( infile ) ){
sw.WriteLine( "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">" );
sw.WriteLine( "<html lang=\"ja-JP\">" );
sw.WriteLine( "<head>" );
sw.WriteLine( "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">" );
sw.WriteLine( "<meta http-equiv=\"Content-Style-Type\" content=\"text/css\">" );
sw.WriteLine( "<title>" + Path.GetFileNameWithoutExtension( infile ) + "</title>" );
sw.WriteLine( "<style type=\"text/css\">" );
sw.WriteLine( "<!--" );
sw.WriteLine( ".header{" );
sw.WriteLine( " color: #800000;" );
sw.WriteLine( " background-color: #ffff80;" );
sw.WriteLine( "}" );
sw.WriteLine( ".removed{" );
sw.WriteLine( " background-color: #ff8080;" );
sw.WriteLine( "}" );
sw.WriteLine( ".added{" );
sw.WriteLine( " background-color: #80ff80;" );
sw.WriteLine( "}" );
sw.WriteLine( ".location{" );
sw.WriteLine( " color: #ff0000;" );
sw.WriteLine( "}" );
sw.WriteLine( "-->" );
sw.WriteLine( "</style>" );
sw.WriteLine( "</head>" );
sw.WriteLine( "<body>" );
sw.WriteLine( "<pre>" );
string line = "";
while( (line = sr.ReadLine()) != null ){
if( line.Trim() == "" ){
sw.WriteLine( "<br>" );
continue;
}
string style_class = "";
if( line.StartsWith( "===" ) || line.StartsWith( "---" ) || line.StartsWith( "+++" ) ){
style_class = "header";
}else if( line.StartsWith( "-" ) ){
style_class = "removed";
}else if( line.StartsWith( "+" ) ){
style_class = "added";
}else if( line.StartsWith( "@" ) ){
style_class = "location";
}
if( style_class == "" ){
sw.Write( "<code>" );
}else{
sw.Write( "<code class=" + style_class + ">" );
}
sw.Write( line.Replace( "<", "<" ).Replace( ">", ">" ).Replace( "&", "&" ) );
sw.WriteLine( "</code>" );
}
sw.WriteLine( "</pre>" );
sw.WriteLine( "</body>" );
sw.WriteLine( "</html>" );
}
}
}
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