DocMounter 2: A tool to build VS.NET documentation (now with Sandcastle)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MSHelpCompiler;
using TenTec.Utils;

namespace SandCastleHelpBuilder
{
	/// <summary>
	/// Redirects HXComp output.
	/// </summary>
	internal class HxCompError : IHxCompError
	{
		#region Methods

		/// <summary>
		/// Creates a new instance of HxCompError
		/// </summary>
		public HxCompError(ProcessStepDelegate progressCallback)
		{
			ProgressCallback = progressCallback;
		} 

		#endregion

		#region Properties

		/// <summary>
		/// Indicates whether a fatal compilation error has occured.
		/// </summary>
		public bool IsFailed
		{
			get;
			private set;
		}

		/// <summary>
		/// If the compile failed this holds whatever error message was return by HxComp.
		/// </summary>
		public string ErrorMessage
		{
			get;
			private set;
		}

		/// <summary>
		/// The delegate which is used to report progress.
		/// </summary>
		public ProcessStepDelegate ProgressCallback
		{
			get;
			private set;
		} 

		#endregion

		#region IHxCompError Interface

		HxCompStatus IHxCompError.QueryStatus()
		{
			//_compileFailed is only ever true if we get a fatal error message in report error
			if (IsFailed)
				return HxCompStatus.HxCompStatus_Cancel;
			else
				return HxCompStatus.HxCompStatus_Continue;
		}

		void IHxCompError.ReportError(String taskItemString, String fileName, Int32 lineNum, Int32 charNum, HxCompErrorSeverity severity, String descriptionString)
		{
			StringBuilder myMessage = new StringBuilder("HxComp error\n");

			myMessage.AppendFormat("\tTaskItemString={0}\n", taskItemString);
			myMessage.AppendFormat("\tFilename={0}\n", fileName);
			myMessage.AppendFormat("\tLineNum={0}\n", lineNum);
			myMessage.AppendFormat("\tCharNum={0}\n", charNum);
			myMessage.AppendFormat("\tSeverity={0}\n", severity);
			myMessage.AppendFormat("\tDescriptionString={0}\n", descriptionString);

			if (ProgressCallback != null)
				ProgressCallback(myMessage.ToString(), true);

			if (severity == HxCompErrorSeverity.HxCompErrorSeverity_Fatal)
			{
				IsFailed = true;
				ErrorMessage = descriptionString;
			}
		}

		void IHxCompError.ReportMessage(HxCompErrorSeverity severity, String descriptionString)
		{
			if (severity == HxCompErrorSeverity.HxCompErrorSeverity_Fatal)
			{
				string myMessage = string.Format("{0}: {1}", severity, descriptionString);

				if (ProgressCallback != null)
					ProgressCallback(myMessage.ToString(), true);

				IsFailed = true;
				ErrorMessage = descriptionString;
			}

		}

		#endregion
	}	
}