// SharpDevelop samples
// Copyright (c) 2014, AlphaSierraPapa
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//   of conditions and the following disclaimer.
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//   provided with the distribution.
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using System;
using System.IO;
using System.Text;
using ICSharpCode.SharpDevelop.Workbench;

namespace ICSharpCode.NAnt
{
	/// <summary>
	/// TextWriter implementation that writes into a MessageViewCategory.
	/// </summary>
	public class NAntMessageViewCategoryTextWriter : TextWriter
	{
		readonly IOutputCategory target;
		StringBuilder output;
		
		public NAntMessageViewCategoryTextWriter(IOutputCategory target)
		{
			this.target = target;
			this.output = new StringBuilder();
		}
		
		public override Encoding Encoding {
			get { return Encoding.Unicode; }
		}
		
		public override void Write(char value)
		{
			target.AppendText(value.ToString());
			output.Append(value.ToString());
		}
		
		public override void Write(string value)
		{
			if (value != null) {
				target.AppendText(value);
				output.Append(value);
			}
		}
		
		public override void Write(char[] buffer, int index, int count)
		{
			string text = new string(buffer, index, count);
			target.AppendText(text);
			output.Append(text);
		}
		
		public string Output {
			get { return output.ToString(); }
		}
	}
}