using System;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Text;
/// <summary>
/// Original by Kris Vadermotten: http://www.u2u.info/Blogs/Kris/Lists/Posts/Post.aspx?ID=11 <br />
/// Remixed by Jeffrey Lee, 2009-07-11 http://blog.darkthread.net<br />
/// Implements a <see cref="TextWriter"/> for writing information to the debugger log.
/// </summary>
/// <seealso cref="Debugger.Log"/>
public class DebuggerWriter : TextWriter
{ private bool isOpen;
private static UnicodeEncoding encoding =
new UnicodeEncoding(false, false);
public int Level { get; private set; } public string Category { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="DebuggerWriter"/> class.
/// </summary>
public DebuggerWriter()
: this(0, Debugger.DefaultCategory) { }
/// <summary>
/// Initializes a new instance of the <see cref="DebuggerWriter"/> class with the specified level and category.
/// </summary>
/// <param name="level">A description of the importance of the messages.</param>
/// <param name="category">The category of the messages.</param>
public DebuggerWriter(int level, string category)
: this(level, category, CultureInfo.CurrentCulture) { }
/// <summary>
/// Initializes a new instance of the <see cref="DebuggerWriter"/> class with the specified level, category and format provider.
/// </summary>
/// <param name="level">A description of the importance of the messages.</param>
/// <param name="category">The category of the messages.</param>
/// <param name="formatProvider">An <see cref="IFormatProvider"/> object that controls formatting.</param>
public DebuggerWriter(int level, string category, IFormatProvider formatProvider)
: base(formatProvider)
{ Level = level;
Category = category;
this.isOpen = true;
}
protected override void Dispose(bool disposing)
{ isOpen = false;
base.Dispose(disposing);
}
public override void Write(char value)
{ if (!isOpen)
throw new ObjectDisposedException(null);
Debugger.Log(Level, Category, value.ToString());
}
public override void Write(string value)
{ if (!isOpen)
throw new ObjectDisposedException(null);
if (value != null)
Debugger.Log(Level, Category, value);
}
public override void Write(char[] buffer, int index, int count)
{ if (!isOpen)
throw new ObjectDisposedException(null);
if (buffer == null || index < 0 || count < 0 || buffer.Length - index < count)
base.Write(buffer, index, count); // delegate throw exception to base class
Debugger.Log(Level, Category, new string(buffer, index, count));
}
public override Encoding Encoding
{ get { return encoding; } }
}