Microsoft.Build.Tasks.GenerateResource.IsResgenRequired C# (CSharp) Method

		bool IsResgenRequired (string resx_filename, string resources_filename)
		{
			if (IsFileNewerThan (resx_filename, resources_filename)) {
				Log.LogMessage (MessageImportance.Low,
						"Resource file '{0}' is newer than the source file '{1}', skipping.",
						resources_filename, resx_filename);
				return true;
			}

			if (String.Compare (Path.GetExtension (resx_filename), ".resx", true) != 0)
				return true;

			// resx file, check for files referenced from there
			XmlTextReader xr = null;
			try {
				// look for
				// <data type="System.Resources.ResXFileRef, System.Windows.Forms" ..>
				//   <value>... filename;.. </value>
				// </data>
				xr = new XmlTextReader (resx_filename);
				string basepath = Path.GetDirectoryName (resx_filename);
				while (xr.Read ()) {
					if (xr.NodeType != XmlNodeType.Element ||
						String.Compare (xr.LocalName, "data") != 0)
						continue;

					string type = xr.GetAttribute ("type");
					if (String.IsNullOrEmpty (type))
						continue;

					if (String.Compare (type, "System.Resources.ResXFileRef, System.Windows.Forms") != 0)
						continue;

					xr.ReadToDescendant ("value");
					if (xr.NodeType != XmlNodeType.Element)
						continue;

					string value = xr.ReadElementContentAsString ();

					string [] parts = value.Split (';');
					if (parts.Length > 0) {
						string referenced_filename = Utilities.FromMSBuildPath (
								Path.Combine (basepath, parts [0]).Trim ());
						if (File.Exists (referenced_filename) &&
							IsFileNewerThan (referenced_filename, resources_filename))
							return true;
					}
				}
			} catch (XmlException) {
				// Ignore xml errors, let resgen handle it
				return true;
			} finally {
				if (xr != null)
					xr.Close ();
			}

			return false;
		}