Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Shared / MS / Internal / ResourceIDHelper.cs / 1305600 / ResourceIDHelper.cs
using System; using System.Text; using System.Globalization; namespace MS.Internal { internal static class ResourceIDHelper { // // Convert relative path to the right format which is used // as ResourceID. // MarkupCompiler, ResXGen, Loader will call this method internally. // static internal string GetResourceIDFromRelativePath(string relPath) { // It is important that relPath not contain a fragment or query at this point // // Currently this will always be true because // 1) The resources listed in the .proj file are tested against the filesystem // to see if they exist. If a query or fragment was present this test would fail. // 2) In the new loader the container apis make sure that the fragment and query are // stripped from the Uri to form the part name which is used to load the resource Uri baseUri = new Uri("http://foo/"); Uri srcUri = new Uri(baseUri, relPath.Replace("#", "%23")); return GetResourceIDFromUri(baseUri, srcUri); } // // This is the central place that returns right ResourceID for // the passed SourceUri. // static private string GetResourceIDFromUri(Uri baseUri, Uri sourceUri) { string resourceID = String.Empty; // // Extracts and returns the resource ID from a URI. // If the source URI is under the baseUri, the resource ID is the URI // after the baseUri and any fragment or query has been removed. // The resource ID is always converted to lower case. // // If the sourceUri is not relative to baseUri, Emtpy string is returned // as resource id. // if (baseUri.IsAbsoluteUri == false || sourceUri.IsAbsoluteUri == false) { // // if any passed Uri is not absolute uri, return empty string here. // return resourceID; } if (baseUri.Scheme == sourceUri.Scheme && baseUri.Host == sourceUri.Host) { // // Get the escaped Path part, Path doesn't include Query and Fragment. // string basePath = baseUri.GetComponents(UriComponents.Path, UriFormat.UriEscaped); string sourcePath = sourceUri.GetComponents(UriComponents.Path, UriFormat.UriEscaped); // // Always lower case the Path string. // basePath = basePath.ToLower(CultureInfo.InvariantCulture); sourcePath = sourcePath.ToLower(CultureInfo.InvariantCulture); if (sourcePath.StartsWith(basePath, StringComparison.OrdinalIgnoreCase)) { resourceID = sourcePath.Substring(basePath.Length); } } return resourceID; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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