compilerresultview.cs

c#精彩编程百例（源代码）

//  CompilerResultView.cs
//  Copyright (C) 2000 Mike Krueger
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Windows.Forms;
using System.Drawing;
using System.CodeDom.Compiler;
using System.IO;
using System.Diagnostics;

using SharpDevelop.Tool.Data;

namespace SharpDevelop.Gui.Navigation {
	
	/// <summary>
    /// This class displays the errors and warnings which the compiler outputs and
    /// allows the user to jump to the source of the warnig / error
    /// </summary>
	public class CompilerResultListItem : ListViewItem
	{
		Point pos;
		string filename;
		
		public CompilerResultListItem(Point pos, String filename, string[] rowItems) : base(rowItems)
		{
			this.pos      = pos;
			this.filename = filename;
		}
		public string FileName {
			get {
				return filename;
			}
		}
		public Point Pos {
			get {
				return pos;
			}
		}
	}
	
	public class CompilerResultView : ListView
	{
		ColumnHeader type        = new ColumnHeader();
		ColumnHeader line        = new ColumnHeader();
		ColumnHeader description = new ColumnHeader();
		ColumnHeader file        = new ColumnHeader();
		int errors   = 0;
		int warnings = 0;
		
		/// <summary>
 	   /// returns the number of errors in the last compilation
    	/// </summary>
		public int Errors {
			get {
				return errors;
			}
		}
		
		/// <summary>
 	   /// returns the number of warnings in the last compilation
    	/// </summary>
		public int Warnings {
			get {
				return warnings;
			}
		}
		
		public CompilerResultView()
		{
			type.Text = "!";
			
			line.Text        = Resource.GetString("CompilerResultView.LineText");
			description.Text = Resource.GetString("CompilerResultView.DescriptionText");
			file.Text        = Resource.GetString("CompilerResultView.FileText");
			
			Columns.Add(type);
			Columns.Add(line);
			Columns.Add(description);
			Columns.Add(file);
			
			FullRowSelect = true;
			AutoArrange = true;
			Alignment   = ListViewAlignment.Left;
			View = View.Details;
			Dock = DockStyle.Fill;
			GridLines  = true;
			Activation = ItemActivation.OneClick;
			OnResize(null);
		}
		
	    public static string GetRelPath(string path1, string path2)
	    {
	    	int when = 0;
	    	for (int i = 0; i < path1.Length; ++i) {
	    		if (i < path2.Length && path1[i] == path2[i])
	    			when = i;
	    		else
	    			break;
	    	}
	    	return path1.Substring(when);
		}
		
		protected override void OnResize(EventArgs e)
		{
			base.OnResize(e);
			type.Width = 20;
			line.Width = 50;
			int w = Width - type.Width - line.Width;
			file.Width = w * 20 / 100;
			description.Width = w - file.Width;
		}
		
		public CompilerResults CompilerResults = null;
		
	    public void ShowResults(CompilerResults res, string projectroot)
	    {
	    	Debug.Assert(res != null,         "SharpDevelop.Gui.Navigation.CompilerResultView : ShowResults : parameter CompilerResults res == null");
	    	Debug.Assert(projectroot != null, "SharpDevelop.Gui.Navigation.CompilerResultView : ShowResults : parameter CompilerResults projectroot == null");
	    	this.CompilerResults = res;
	    	errors   = 0;
	    	warnings = 0;
			BeginUpdate();
	    	Items.Clear();
			foreach (CompilerError err in res.Errors) {
				if (err.IsWarning)
					++warnings;
				else
					++errors;
				ListViewItem item = new CompilerResultListItem(
					new Point(err.Column - 1, err.Line - 1),
					err.FileName, 
					new string [] {
						err.IsWarning ? "W" : "E",
						err.Line.ToString(),
						err.ErrorText + "(" + err.ErrorNumber + ")",
						GetRelPath(err.FileName, projectroot)
					}
				);
				Items.Add(item);
			}
			EndUpdate();
	    }
	}
}