Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / MS / Internal / FontCache / FontResourceCache.cs / 1305600 / FontResourceCache.cs
//---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: FontResourceCache class maintains the list of font resources included with an application. // // // History: // 08/09/2005 : mleonov - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.IO.Packaging; using System.Reflection; using System.Windows.Navigation; using MS.Internal.Resources; namespace MS.Internal.FontCache { internal static class FontResourceCache { private static void ConstructFontResourceCache(Assembly entryAssembly, Dictionary> folderResourceMap) { // For entryAssembly build a set of mapping from paths to entries that describe each resource. Dictionary contentFiles = ContentFileHelper.GetContentFiles(entryAssembly); if (contentFiles != null) { foreach (string contentFile in contentFiles.Keys) { AddResourceToFolderMap(folderResourceMap, contentFile); } } IList resourceList = new ResourceManagerWrapper(entryAssembly).ResourceList; if (resourceList != null) { foreach (string resource in resourceList) { AddResourceToFolderMap(folderResourceMap, resource); } } } internal static List LookupFolder(Uri uri) { // The input URI may specify a folder which is invalid for pack URIs. If so, // create a valid pack URI by adding a fake filename. bool isFolder = IsFolderUri(uri); if (isFolder) { uri = new Uri(uri, FakeFileName); } // The input Uri should now be a valid absolute pack application Uri. // The caller (FontSourceCollection) guarantees that. // Perform a sanity check to make sure the assumption stays the same. Debug.Assert(uri.IsAbsoluteUri && uri.Scheme == PackUriHelper.UriSchemePack && BaseUriHelper.IsPackApplicationUri(uri)); Assembly uriAssembly; string escapedPath; BaseUriHelper.GetAssemblyAndPartNameFromPackAppUri(uri, out uriAssembly, out escapedPath); if (uriAssembly == null) return null; // If we added a fake filename to the uri, remove it from the escaped path. if (isFolder) { Debug.Assert(escapedPath.EndsWith(FakeFileName, StringComparison.OrdinalIgnoreCase)); escapedPath = escapedPath.Substring(0, escapedPath.Length - FakeFileName.Length); } Dictionary > folderResourceMap; lock (_assemblyCaches) { if (!_assemblyCaches.TryGetValue(uriAssembly, out folderResourceMap)) { folderResourceMap = new Dictionary >(StringComparer.OrdinalIgnoreCase); ConstructFontResourceCache(uriAssembly, folderResourceMap); _assemblyCaches.Add(uriAssembly, folderResourceMap); } } List ret; folderResourceMap.TryGetValue(escapedPath, out ret); return ret; } /// /// Determines if a font family URI is a folder. Folder URIs are not valid pack URIs /// and therefore require special handling. /// private static bool IsFolderUri(Uri uri) { string path = uri.GetComponents(UriComponents.Path, UriFormat.SafeUnescaped); return path.Length == 0 || path[path.Length - 1] == '/'; } // Fake file name, which we add to a folder URI and then remove from the resulting // escaped path. This is to work around the fact that pack URIs cannot be folder URIs. // This string could be any valid file name that does not require escaping. private const string FakeFileName = "X"; private static void AddResourceToFolderMap(Dictionary> folderResourceMap, string resourceFullName) { // Split the resource path into a directory and file name part. string folderName; string fileName; int indexOfLastSlash = resourceFullName.LastIndexOf('/'); if (indexOfLastSlash == -1) { // The resource is in the root directory, folderName is empty. folderName = String.Empty; fileName = resourceFullName; } else { folderName = resourceFullName.Substring(0, indexOfLastSlash + 1); fileName = resourceFullName.Substring(indexOfLastSlash + 1); } string extension = Path.GetExtension(fileName); bool isComposite; if (!Util.IsSupportedFontExtension(extension, out isComposite)) return; // We add entries for a font file to two collections: // one is the folder containing the file, another is the file itself, // since we allow explicit file names in FontFamily syntax if (!folderResourceMap.ContainsKey(folderName)) folderResourceMap[folderName] = new List (1); folderResourceMap[folderName].Add(fileName); Debug.Assert(!folderResourceMap.ContainsKey(resourceFullName)); folderResourceMap[resourceFullName] = new List (1); folderResourceMap[resourceFullName].Add(String.Empty); } private static Dictionary >> _assemblyCaches = new Dictionary >>(1); // Set the initial capacity to 1 because a single entry assembly is the most common case. } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: FontResourceCache class maintains the list of font resources included with an application. // // // History: // 08/09/2005 : mleonov - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.IO.Packaging; using System.Reflection; using System.Windows.Navigation; using MS.Internal.Resources; namespace MS.Internal.FontCache { internal static class FontResourceCache { private static void ConstructFontResourceCache(Assembly entryAssembly, Dictionary > folderResourceMap) { // For entryAssembly build a set of mapping from paths to entries that describe each resource. Dictionary contentFiles = ContentFileHelper.GetContentFiles(entryAssembly); if (contentFiles != null) { foreach (string contentFile in contentFiles.Keys) { AddResourceToFolderMap(folderResourceMap, contentFile); } } IList resourceList = new ResourceManagerWrapper(entryAssembly).ResourceList; if (resourceList != null) { foreach (string resource in resourceList) { AddResourceToFolderMap(folderResourceMap, resource); } } } internal static List LookupFolder(Uri uri) { // The input URI may specify a folder which is invalid for pack URIs. If so, // create a valid pack URI by adding a fake filename. bool isFolder = IsFolderUri(uri); if (isFolder) { uri = new Uri(uri, FakeFileName); } // The input Uri should now be a valid absolute pack application Uri. // The caller (FontSourceCollection) guarantees that. // Perform a sanity check to make sure the assumption stays the same. Debug.Assert(uri.IsAbsoluteUri && uri.Scheme == PackUriHelper.UriSchemePack && BaseUriHelper.IsPackApplicationUri(uri)); Assembly uriAssembly; string escapedPath; BaseUriHelper.GetAssemblyAndPartNameFromPackAppUri(uri, out uriAssembly, out escapedPath); if (uriAssembly == null) return null; // If we added a fake filename to the uri, remove it from the escaped path. if (isFolder) { Debug.Assert(escapedPath.EndsWith(FakeFileName, StringComparison.OrdinalIgnoreCase)); escapedPath = escapedPath.Substring(0, escapedPath.Length - FakeFileName.Length); } Dictionary > folderResourceMap; lock (_assemblyCaches) { if (!_assemblyCaches.TryGetValue(uriAssembly, out folderResourceMap)) { folderResourceMap = new Dictionary >(StringComparer.OrdinalIgnoreCase); ConstructFontResourceCache(uriAssembly, folderResourceMap); _assemblyCaches.Add(uriAssembly, folderResourceMap); } } List ret; folderResourceMap.TryGetValue(escapedPath, out ret); return ret; } /// /// Determines if a font family URI is a folder. Folder URIs are not valid pack URIs /// and therefore require special handling. /// private static bool IsFolderUri(Uri uri) { string path = uri.GetComponents(UriComponents.Path, UriFormat.SafeUnescaped); return path.Length == 0 || path[path.Length - 1] == '/'; } // Fake file name, which we add to a folder URI and then remove from the resulting // escaped path. This is to work around the fact that pack URIs cannot be folder URIs. // This string could be any valid file name that does not require escaping. private const string FakeFileName = "X"; private static void AddResourceToFolderMap(Dictionary> folderResourceMap, string resourceFullName) { // Split the resource path into a directory and file name part. string folderName; string fileName; int indexOfLastSlash = resourceFullName.LastIndexOf('/'); if (indexOfLastSlash == -1) { // The resource is in the root directory, folderName is empty. folderName = String.Empty; fileName = resourceFullName; } else { folderName = resourceFullName.Substring(0, indexOfLastSlash + 1); fileName = resourceFullName.Substring(indexOfLastSlash + 1); } string extension = Path.GetExtension(fileName); bool isComposite; if (!Util.IsSupportedFontExtension(extension, out isComposite)) return; // We add entries for a font file to two collections: // one is the folder containing the file, another is the file itself, // since we allow explicit file names in FontFamily syntax if (!folderResourceMap.ContainsKey(folderName)) folderResourceMap[folderName] = new List (1); folderResourceMap[folderName].Add(fileName); Debug.Assert(!folderResourceMap.ContainsKey(resourceFullName)); folderResourceMap[resourceFullName] = new List (1); folderResourceMap[resourceFullName].Add(String.Empty); } private static Dictionary >> _assemblyCaches = new Dictionary >>(1); // Set the initial capacity to 1 because a single entry assembly is the most common case. } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PeerNodeAddress.cs
- HostedController.cs
- TabItemAutomationPeer.cs
- MsmqInputChannel.cs
- ContextMenuStripActionList.cs
- ComboBox.cs
- X509Utils.cs
- BamlStream.cs
- Axis.cs
- SymbolPair.cs
- GeometryGroup.cs
- SafeCryptContextHandle.cs
- ConfigurationConverterBase.cs
- ResourceDescriptionAttribute.cs
- TemplatePropertyEntry.cs
- HtmlInputPassword.cs
- EntitySet.cs
- ContractHandle.cs
- TemplateKeyConverter.cs
- PropertyGroupDescription.cs
- SelectionItemPatternIdentifiers.cs
- TimeoutValidationAttribute.cs
- webclient.cs
- Size.cs
- WindowsFont.cs
- BeginGetFileNameFromUserRequest.cs
- BrowserCapabilitiesCodeGenerator.cs
- FileDialog.cs
- PopOutPanel.cs
- CatalogUtil.cs
- XhtmlBasicValidationSummaryAdapter.cs
- PriorityBinding.cs
- AxisAngleRotation3D.cs
- UncommonField.cs
- InvalidFilterCriteriaException.cs
- Typeface.cs
- ToolBarPanel.cs
- MatrixAnimationBase.cs
- TcpActivation.cs
- ValidationPropertyAttribute.cs
- DataGridViewSortCompareEventArgs.cs
- HtmlInputButton.cs
- SelectionEditor.cs
- EndpointIdentityExtension.cs
- Trace.cs
- HyperLinkField.cs
- TemplatedMailWebEventProvider.cs
- WebConfigurationManager.cs
- BitmapCodecInfoInternal.cs
- MultitargetUtil.cs
- XmlElementCollection.cs
- SQLDoubleStorage.cs
- MainMenu.cs
- PermissionRequestEvidence.cs
- BasePropertyDescriptor.cs
- SelectionEditingBehavior.cs
- PersianCalendar.cs
- MessageTransmitTraceRecord.cs
- _UriTypeConverter.cs
- DataSetViewSchema.cs
- ScaleTransform.cs
- MarkerProperties.cs
- NetMsmqSecurity.cs
- _DisconnectOverlappedAsyncResult.cs
- VectorAnimation.cs
- ProjectionNode.cs
- MinMaxParagraphWidth.cs
- BulletChrome.cs
- CancellableEnumerable.cs
- VirtualDirectoryMappingCollection.cs
- DesignColumn.cs
- XmlSchemaType.cs
- ExtensionSurface.cs
- Exception.cs
- InternalDispatchObject.cs
- TabItemWrapperAutomationPeer.cs
- ViewStateModeByIdAttribute.cs
- InputManager.cs
- Publisher.cs
- DataViewManager.cs
- DataGridColumnHeader.cs
- CompiledRegexRunner.cs
- DateTimeConverter2.cs
- ActivityCodeDomSerializationManager.cs
- FreezableCollection.cs
- HtmlContainerControl.cs
- NetStream.cs
- DBSchemaTable.cs
- BitSet.cs
- LinqDataSourceStatusEventArgs.cs
- NativeMethods.cs
- KnownBoxes.cs
- XNodeNavigator.cs
- HtmlHead.cs
- Tuple.cs
- ObjectStateEntryDbDataRecord.cs
- CryptoApi.cs
- CodeGeneratorOptions.cs
- HashStream.cs
- DiagnosticTrace.cs