System.Web.Compilation.AssemblyBuilder.GetBuildProviderForPhysicalFilePath C# (CSharp) Method

		internal BuildProvider GetBuildProviderForPhysicalFilePath (string path)
		{
			if (String.IsNullOrEmpty (path) || path_to_buildprovider == null || path_to_buildprovider.Count == 0)
				return null;

			BuildProvider ret;
			if (path_to_buildprovider.TryGetValue (path, out ret))
				return ret;

			return null;
		}
		

		static void RemoveFailedAssemblies (string requestedVirtualPath, CompilationException ex, AssemblyBuilder abuilder,
						    BuildProviderGroup group, CompilerResults results, bool debug)
		{
			StringBuilder sb;
			string newline;
			
			if (debug) {
				newline = Environment.NewLine;
				sb = new StringBuilder ("Compilation of certain files in a batch failed. Another attempt to compile the batch will be made." + newline);
				sb.Append ("Since you're running in debug mode, here's some more information about the error:" + newline);
			} else {
				newline = null;
				sb = null;
			}
			
			var failedBuildProviders = new List <BuildProvider> ();
			BuildProvider bp;
			HttpContext ctx = HttpContext.Current;
			HttpRequest req = ctx != null ? ctx.Request : null;
			bool rethrow = false;
			
			foreach (CompilerError error in results.Errors) {
				if (error.IsWarning)
					continue;
				
				bp = abuilder.GetBuildProviderForPhysicalFilePath (error.FileName);
				if (bp == null) {
					bp = FindBuildProviderForPhysicalPath (error.FileName, group, req);
					if (bp == null)
						continue;
				}

				if (String.Compare (bp.VirtualPath, requestedVirtualPath, StringComparison.Ordinal) == 0)
					rethrow = true;

				if (!failedBuildProviders.Contains (bp)) {
					failedBuildProviders.Add (bp);
					if (sb != null)
						sb.AppendFormat ("\t{0}{1}", bp.VirtualPath, newline);
				}

				if (sb != null)
					sb.AppendFormat ("\t\t{0}{1}", error, newline);
			}

			foreach (BuildProvider fbp in failedBuildProviders)
				group.Remove (fbp);
			
			if (sb != null) {
				sb.AppendFormat ("{0}The following exception has been thrown for the file(s) listed above:{0}{1}",
						 newline, ex.ToString ());
				ShowDebugModeMessage (sb.ToString ());
				sb = null;
			}

			if (rethrow)
				throw new HttpException ("Compilation failed.", ex);
		}