[Gtk-sharp-list] need help with TextBuffers and TextIters

[Mike H]

Hello, Not to sound stupid but where does the "gtksourceview-sharp dll"
come from? Your file won't compile without it. Is it in GTK# .14?

Mike H
On Fri, 2003-11-21 at 12:23, Patrik Olterman wrote:
> Hello all 
> 
> I have for a while been working on a low end C# editor in GTK# 
> I am struggling to make syntax highlighting to work due to the 
> lack of documentation on TextIters and TextBuffers. The full code can be
> found in a subversion repository on 
> http://www.olterman.se:8080/repos/mono/ezsharp/ezsharp.cs
> 
> heres what I have so far as to syntax highlighting as you can see its
> far from perfect, right now it highlights oneline comments and strings
> if there is only one string on a line. Hopefully this will give us a
> working little editor and some documentation on buffers and iters.
> 
> Please help 
> ----------------------------------------------------------------------
>   class Hilite 
>   {
> 	public TextTagTable tt;
>         public TextTag string_tag, comment_tag;
> 	public bool commentBit;
> 
> 	public Hilite()
> 	{
> 	tt = new TextTagTable();
> 	// text tags for syntax highlighting
> 	// strings
>        string_tag = new TextTag(null);
> 	string_tag.Foreground = "blue";
>       tt.Add(string_tag);
> 	// coments
>        comment_tag = new TextTag(null);
> 	comment_tag.Foreground = "darkgreen";
>       tt.Add(comment_tag);
> 	}
> 
> 	public void hilite_all()
> 	{
> 		
> 		//Console.WriteLine("Hilite event");
> 		TextIter begin = new TextIter();
> 		begin = App.editor.buf.StartIter;
> 		TextIter stop = new TextIter();
> 		stop = App.editor.buf.StartIter;
> 		stop.ForwardLine();
> 		//Console.WriteLine(buf.GetText(begin, stop, false));
> 		for (int i = 1; i < App.editor.buf.LineCount; i++)
> 			{
> 			    // get the txt 
> 			     //Console.Write(buf.GetText(begin, stop, false));
> 			     string txt = App.editor.buf.GetText(begin, stop, true);
> 			    //
> 				if(txt != "") {
> 
> 					// checking for strings
> 					Regex reg_string = new Regex("(\".*\")");
> 					Match mat_string = reg_string.Match(txt);
> 					if(mat_string.Success==true) {
> 						char fnutt= '"';
> 						TextIter begin_string = begin.Copy();
> 						TextIter stop_string = stop.Copy();
> 						while( true==true ) {
> 							begin_string.ForwardChar();
> 							string control = App.editor.buf.GetText(begin_string,
> stop_string, true);
> 							if ( control[0] == fnutt ) {
> 								break;		
> 							}
> 						}
> 						while( true==true ) {
> 							stop_string.BackwardChar();
> 							string control = App.editor.buf.GetText(begin_string,
> stop_string, true);
> 							int end = control.Length-1;
> 							if ( control[end] == fnutt ) {
> 								break;		
> 							}
> 						} 
> 
> 						//applying string tag
> 						App.editor.buf.ApplyTag (string_tag, begin_string, stop_string);
> 					}	
> 					// checking for comments
> 					Regex reg_comment = new Regex("(\\s)*(//)"); 
> 					Match mat_comment = reg_comment.Match(txt);
> 					if(mat_comment.Success==true) {
> 						string slash = "//";
> 						TextIter begin_comment = begin.Copy();
> 						while( true==true ) {
> 							
> 							TextIter control_it = begin_comment.Copy();
> 							control_it.ForwardChar();
> 							control_it.ForwardChar();
> 							string control = App.editor.buf.GetText(begin_comment,
> control_it, true);
> 							if ( control == slash ) {
> 								break;		
> 							}
> 						begin_comment.ForwardChar();
> 						}
> 						//applying comment tag
> 						App.editor.buf.ApplyTag (comment_tag, begin_comment, stop);
> 					}								
> 				}
> 			    // move iters forward one line 
> 				begin.ForwardLine();	
> 				stop.ForwardLine();
> 			}
> 		
> 		/*
> 		TextIter it_a = new TextIter();
> 		it_a = App.editor.buf.StartIter;
> 		TextIter it_b = new TextIter();
> 		it_b = App.editor.buf.StartIter;
> 		it_b.ForwardChar();
> 		TextIter it_end = new TextIter();
> 		it_end = App.editor.buf.EndIter;
> 		
> 		// looping through each char of the code
> 		while (it_b != it_end)
> 		{
> 		//Console.WriteLine(App.editor.buf.GetText(it_a, it_b, true));
> 		
> 		
> 		// moving iters forward
> 		it_a.ForwardChar();
> 		it_b.ForwardChar();
> 		}
> 		*/
> 	}
> 	
> 	public void hilite_last_word()
> 	{
> 	
> 	}
> 
> 	public void hilite_remove()
> 	{
> 		TextIter first = new TextIter();
> 		first = App.editor.buf.StartIter;
> 		TextIter last = new TextIter();
> 		last = App.editor.buf.EndIter;
> 
> 		App.editor.buf.RemoveAllTags(first, last);
> 	}
>   }
> 
> 
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