A Small Tool to Remove SCC Information of a VS2003.NET Project File

using System;
using System.IO;
using System.Xml;
using System.Text.RegularExpressions;

namespace RemoveSCCInfo
{
	/// <summary>
	/// Command to remove SCC info from a project file
	/// </summary>
	internal class RemoveSccFrom2003ProjectCommand : RemoveSccBaseCommand
	{

		public RemoveSccFrom2003ProjectCommand(string projectFileName, bool createBackup)
			: base (projectFileName,createBackup)
		{
		}

		public override void PatchFile()
		{
			switch(Path.GetExtension(_fileName.ToLower()))
			{
				case ".vcproj":
					PatchXmlProjectFile("/VisualStudioProject");
					break;
				case ".csproj":
					PatchXmlProjectFile("/VisualStudioProject/CSHARP");
					break;
				case ".vbproj":
					PatchXmlProjectFile("/VisualStudioProject/VisualBasic");
					break;
				case ".vdproj":
					PatchDeployProject();
					break;
			}
		}


		private void PatchDeployProject()
		{
			string tempFileName = Path.GetDirectoryName(_fileName) + @"\old-scc-remove-"+ Path.GetFileName(_fileName);
			
			try
			{
				if(_createBackup)
					File.Copy(_fileName,_backupDir+ Path.GetFileName(_fileName));

				// move the .vdproj file to a temp file
				File.Move(_fileName,tempFileName);
				RemoveReadOnlyOnFile(tempFileName);

				StreamReader rdr = new StreamReader(tempFileName, System.Text.Encoding.Default);
				String allFile = rdr.ReadToEnd();
				rdr.Close();

				Regex r = new Regex("\\\"Scc\\w*\\\"\\s*=\\s*\\\".*\\\"");
				StreamWriter wri = new StreamWriter(_fileName,false,System.Text.Encoding.Default);
				wri.Write(r.Replace(allFile,""));
				wri.Close();
			}
			finally
			{
				if(File.Exists(tempFileName))
					File.Delete(tempFileName);
			}

		}

		private void PatchXmlProjectFile(string elementPath)
		{
//			First attempt with a XMLDoc was a failure due to 
//			the possibility to add non valid xml-chars in the project file
//			XmlDocument doc = new XmlDocument();
//			XmlElement proj = null;
//
//
//			if(_createBackup)
//				File.Copy(_fileName,_backupDir+ Path.GetFileName(_fileName));
//			doc.PreserveWhitespace=true;
//			
//			doc.Load(_fileName);
//
//			if(doc.DocumentElement==null)
//				throw new FileNotFoundException("The project file is unknown or not a valid VS2003 project",_fileName);
//			
//
//			proj = doc.SelectSingleNode(elementPath) as XmlElement;
//
//			if(proj==null)
//				return;
//
//			proj.RemoveAttribute("SccProjectName");
//			proj.RemoveAttribute("SccLocalPath");
//			proj.RemoveAttribute("SccProvider");
//
//
//			RemoveReadOnlyOnFile(_fileName);
//			doc.Save(_fileName);
//			So I translated everything in a RegExp, for similarity with the PatchDeployment

			string tempFileName = Path.GetDirectoryName(_fileName) + @"\old-scc-remove-"+ Path.GetFileName(_fileName);
			
			try
			{
				if(_createBackup)
					File.Copy(_fileName,_backupDir+ Path.GetFileName(_fileName));

				// move the .??proj file to a temp file
				File.Move(_fileName,tempFileName);
				RemoveReadOnlyOnFile(tempFileName);

				StreamReader rdr = new StreamReader(tempFileName, System.Text.Encoding.Default);
				String allFile = rdr.ReadToEnd();
				rdr.Close();

				Regex r = new Regex("Scc\\w*\\s*=\\s*\\\".*\\\"");
				StreamWriter wri = new StreamWriter(_fileName,false,System.Text.Encoding.Default);
				wri.Write(r.Replace(allFile,""));
				wri.Close();
			}
			finally
			{
				if(File.Exists(tempFileName))
					File.Delete(tempFileName);
			}

		}

	}
}