Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / Compilation / PreservationFileReader.cs / 1 / PreservationFileReader.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Compilation { using System; using System.IO; using System.Collections; using System.Globalization; using System.Xml; using System.Security; using System.Web.Configuration; using System.Web.Util; using System.Web.UI; internal class PreservationFileReader { private XmlNode _root; private bool _precompilationMode; private DiskBuildResultCache _diskCache; private ArrayList _sourceDependencies; internal PreservationFileReader(DiskBuildResultCache diskCache, bool precompilationMode) { _diskCache = diskCache; _precompilationMode = precompilationMode; } internal BuildResult ReadBuildResultFromFile(VirtualPath virtualPath, string preservationFile, long hashCode) { // Ignore if the preservation file doesn't exist if (!FileUtil.FileExists(preservationFile)) { Debug.Trace("PreservationFileReader", "Can't find preservation file " + Path.GetFileName(preservationFile)); return null; } BuildResult result = null; try { result = ReadFileInternal(virtualPath, preservationFile, hashCode); } catch (SecurityException) { // We eat all exceptions, except for SecurityException's, because they // are ususally a sign that something is not set up correctly, and we // don't want to lose the stack (VSWhidbey 269566) throw; } catch { if (!_precompilationMode) { // The preservation file can't be used, so get rid of it Util.RemoveOrRenameFile(preservationFile); } } return result; } private BuildResult ReadFileInternal(VirtualPath virtualPath, string preservationFile, long hashCode) { XmlDocument doc = new XmlDocument(); doc.Load(preservationFile); // Get the root element, and make sure it's what we expect _root = doc.DocumentElement; Debug.Assert(_root != null && _root.Name == "preserve", "_root != null && _root.Name == \"preserve\""); if (_root == null || _root.Name != "preserve") return null; // Get the type of the BuildResult preserved in this file string resultTypeCodeString = GetAttribute("resultType"); BuildResultTypeCode resultTypeCode = (BuildResultTypeCode)Int32.Parse( resultTypeCodeString, CultureInfo.InvariantCulture); // Get the config path that affects this BuildResult if one wasn't passed in. // Note that the passed in path may be different with Sharepoint-like ghosting (VSWhidbey 343230) if (virtualPath == null) virtualPath = VirtualPath.Create(GetAttribute("virtualPath")); long savedHash = 0; string savedFileHash = null; // Ignore dependencies in precompilation mode if (!_precompilationMode) { // Read the saved hash from the preservation file string hashString = GetAttribute("hash"); Debug.Assert(hashString != null, "hashString != null"); if (hashString == null) return null; // Parse the saved hash string as an hex int savedHash = Int64.Parse(hashString, NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture); // Read the saved file hash from the preservation file. This is the hash the represents // the state of all the virtual files that the build result depends on. savedFileHash = GetAttribute("filehash"); } // Create the BuildResult accordingly BuildResult result = BuildResult.CreateBuildResultFromCode(resultTypeCode, virtualPath); // Ignore dependencies in precompilation mode if (!_precompilationMode) { ReadDependencies(); if (_sourceDependencies != null) result.SetVirtualPathDependencies(_sourceDependencies); result.VirtualPathDependenciesHash = savedFileHash; // Check if the build result is up to date bool outOfDate = false; if (!result.IsUpToDate(virtualPath)) { Debug.Trace("PreservationFileReader", Path.GetFileName(preservationFile) + " is out of date (IsUpToDate==false)"); outOfDate = true; } else { // The virtual paths hash code was up to date, so check the // other hash code. // Get the current hash code long currentHash = result.ComputeHashCode(hashCode); // If the hash doesn't match, the preserved data is out of date if (currentHash == 0 || currentHash != savedHash) { outOfDate = true; Debug.Trace("PreservationFileReader", Path.GetFileName(preservationFile) + " is out of date (ComputeHashCode)"); } } if (outOfDate) { // Give the BuildResult a chance to do some cleanup result.RemoveOutOfDateResources(this); // The preservation file is not useable, so delete it File.Delete(preservationFile); return null; } } // Ask the BuildResult to read the data it needs result.GetPreservedAttributes(this); return result; } private void ReadDependencies() { IEnumerator childEnumerator = _root.ChildNodes.GetEnumerator(); while (childEnumerator.MoveNext()) { XmlNode dependenciesNode = (XmlNode)childEnumerator.Current; if (dependenciesNode.NodeType != XmlNodeType.Element) continue; // verify no unrecognized attributes Debug.Assert(dependenciesNode.Attributes.Count == 0); switch (dependenciesNode.Name) { case PreservationFileWriter.fileDependenciesTagName: Debug.Assert(_sourceDependencies == null); _sourceDependencies = ReadDependencies(dependenciesNode, PreservationFileWriter.fileDependencyTagName); break; default: Debug.Assert(false, dependenciesNode.Name); break; } } } private ArrayList ReadDependencies(XmlNode parent, string tagName) { ArrayList dependencies = new ArrayList(); IEnumerator childEnumerator = parent.ChildNodes.GetEnumerator(); while (childEnumerator.MoveNext()) { XmlNode dependencyNode = (XmlNode)childEnumerator.Current; if (dependencyNode.NodeType != XmlNodeType.Element) continue; Debug.Assert(dependencyNode.Name.Equals(tagName)); if (!dependencyNode.Name.Equals(tagName)) break; string fileName = HandlerBase.RemoveAttribute(dependencyNode, "name"); Debug.Assert(fileName != null, "fileName != null"); // verify no unrecognized attributes Debug.Assert(dependencyNode.Attributes.Count == 0); if (fileName == null) return null; dependencies.Add(fileName); } return dependencies; } internal string GetAttribute(string name) { return HandlerBase.RemoveAttribute(_root, name); } internal DiskBuildResultCache DiskCache { get { return _diskCache; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Compilation { using System; using System.IO; using System.Collections; using System.Globalization; using System.Xml; using System.Security; using System.Web.Configuration; using System.Web.Util; using System.Web.UI; internal class PreservationFileReader { private XmlNode _root; private bool _precompilationMode; private DiskBuildResultCache _diskCache; private ArrayList _sourceDependencies; internal PreservationFileReader(DiskBuildResultCache diskCache, bool precompilationMode) { _diskCache = diskCache; _precompilationMode = precompilationMode; } internal BuildResult ReadBuildResultFromFile(VirtualPath virtualPath, string preservationFile, long hashCode) { // Ignore if the preservation file doesn't exist if (!FileUtil.FileExists(preservationFile)) { Debug.Trace("PreservationFileReader", "Can't find preservation file " + Path.GetFileName(preservationFile)); return null; } BuildResult result = null; try { result = ReadFileInternal(virtualPath, preservationFile, hashCode); } catch (SecurityException) { // We eat all exceptions, except for SecurityException's, because they // are ususally a sign that something is not set up correctly, and we // don't want to lose the stack (VSWhidbey 269566) throw; } catch { if (!_precompilationMode) { // The preservation file can't be used, so get rid of it Util.RemoveOrRenameFile(preservationFile); } } return result; } private BuildResult ReadFileInternal(VirtualPath virtualPath, string preservationFile, long hashCode) { XmlDocument doc = new XmlDocument(); doc.Load(preservationFile); // Get the root element, and make sure it's what we expect _root = doc.DocumentElement; Debug.Assert(_root != null && _root.Name == "preserve", "_root != null && _root.Name == \"preserve\""); if (_root == null || _root.Name != "preserve") return null; // Get the type of the BuildResult preserved in this file string resultTypeCodeString = GetAttribute("resultType"); BuildResultTypeCode resultTypeCode = (BuildResultTypeCode)Int32.Parse( resultTypeCodeString, CultureInfo.InvariantCulture); // Get the config path that affects this BuildResult if one wasn't passed in. // Note that the passed in path may be different with Sharepoint-like ghosting (VSWhidbey 343230) if (virtualPath == null) virtualPath = VirtualPath.Create(GetAttribute("virtualPath")); long savedHash = 0; string savedFileHash = null; // Ignore dependencies in precompilation mode if (!_precompilationMode) { // Read the saved hash from the preservation file string hashString = GetAttribute("hash"); Debug.Assert(hashString != null, "hashString != null"); if (hashString == null) return null; // Parse the saved hash string as an hex int savedHash = Int64.Parse(hashString, NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture); // Read the saved file hash from the preservation file. This is the hash the represents // the state of all the virtual files that the build result depends on. savedFileHash = GetAttribute("filehash"); } // Create the BuildResult accordingly BuildResult result = BuildResult.CreateBuildResultFromCode(resultTypeCode, virtualPath); // Ignore dependencies in precompilation mode if (!_precompilationMode) { ReadDependencies(); if (_sourceDependencies != null) result.SetVirtualPathDependencies(_sourceDependencies); result.VirtualPathDependenciesHash = savedFileHash; // Check if the build result is up to date bool outOfDate = false; if (!result.IsUpToDate(virtualPath)) { Debug.Trace("PreservationFileReader", Path.GetFileName(preservationFile) + " is out of date (IsUpToDate==false)"); outOfDate = true; } else { // The virtual paths hash code was up to date, so check the // other hash code. // Get the current hash code long currentHash = result.ComputeHashCode(hashCode); // If the hash doesn't match, the preserved data is out of date if (currentHash == 0 || currentHash != savedHash) { outOfDate = true; Debug.Trace("PreservationFileReader", Path.GetFileName(preservationFile) + " is out of date (ComputeHashCode)"); } } if (outOfDate) { // Give the BuildResult a chance to do some cleanup result.RemoveOutOfDateResources(this); // The preservation file is not useable, so delete it File.Delete(preservationFile); return null; } } // Ask the BuildResult to read the data it needs result.GetPreservedAttributes(this); return result; } private void ReadDependencies() { IEnumerator childEnumerator = _root.ChildNodes.GetEnumerator(); while (childEnumerator.MoveNext()) { XmlNode dependenciesNode = (XmlNode)childEnumerator.Current; if (dependenciesNode.NodeType != XmlNodeType.Element) continue; // verify no unrecognized attributes Debug.Assert(dependenciesNode.Attributes.Count == 0); switch (dependenciesNode.Name) { case PreservationFileWriter.fileDependenciesTagName: Debug.Assert(_sourceDependencies == null); _sourceDependencies = ReadDependencies(dependenciesNode, PreservationFileWriter.fileDependencyTagName); break; default: Debug.Assert(false, dependenciesNode.Name); break; } } } private ArrayList ReadDependencies(XmlNode parent, string tagName) { ArrayList dependencies = new ArrayList(); IEnumerator childEnumerator = parent.ChildNodes.GetEnumerator(); while (childEnumerator.MoveNext()) { XmlNode dependencyNode = (XmlNode)childEnumerator.Current; if (dependencyNode.NodeType != XmlNodeType.Element) continue; Debug.Assert(dependencyNode.Name.Equals(tagName)); if (!dependencyNode.Name.Equals(tagName)) break; string fileName = HandlerBase.RemoveAttribute(dependencyNode, "name"); Debug.Assert(fileName != null, "fileName != null"); // verify no unrecognized attributes Debug.Assert(dependencyNode.Attributes.Count == 0); if (fileName == null) return null; dependencies.Add(fileName); } return dependencies; } internal string GetAttribute(string name) { return HandlerBase.RemoveAttribute(_root, name); } internal DiskBuildResultCache DiskCache { get { return _diskCache; } } } } // 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
- SecurityContext.cs
- DateTimeValueSerializerContext.cs
- ByeMessage11.cs
- BooleanSwitch.cs
- HelloMessageCD1.cs
- ToolStripOverflowButton.cs
- PickDesigner.xaml.cs
- Span.cs
- PersonalizableTypeEntry.cs
- StructuredTypeEmitter.cs
- Quad.cs
- SoapExtensionTypeElementCollection.cs
- AnnouncementDispatcherAsyncResult.cs
- ControlsConfig.cs
- BatchStream.cs
- TypedReference.cs
- RadialGradientBrush.cs
- WorkItem.cs
- COM2TypeInfoProcessor.cs
- Effect.cs
- RuntimeResourceSet.cs
- MenuCommandService.cs
- ListSurrogate.cs
- ResourceDescriptionAttribute.cs
- DecoratedNameAttribute.cs
- TableAutomationPeer.cs
- CompilerGeneratedAttribute.cs
- SmiXetterAccessMap.cs
- ScopelessEnumAttribute.cs
- RadioButtonAutomationPeer.cs
- PointCollection.cs
- Win32Exception.cs
- TransactionScope.cs
- SqlFunctionAttribute.cs
- FixedTextPointer.cs
- ListViewCommandEventArgs.cs
- TopClause.cs
- PageBreakRecord.cs
- WebPartAddingEventArgs.cs
- KnownTypesHelper.cs
- PathSegment.cs
- XmlTextReaderImplHelpers.cs
- ConfigXmlSignificantWhitespace.cs
- MenuCommand.cs
- ContentDisposition.cs
- ReflectEventDescriptor.cs
- SqlCommand.cs
- DataGridViewDataConnection.cs
- SettingsPropertyCollection.cs
- XPathPatternBuilder.cs
- UIElementHelper.cs
- SqlFlattener.cs
- _SSPISessionCache.cs
- ToolStripStatusLabel.cs
- UpdatePanelControlTrigger.cs
- ResourceContainer.cs
- PagedControl.cs
- UriSectionReader.cs
- ObjectConverter.cs
- TreeView.cs
- ReflectionTypeLoadException.cs
- TargetPerspective.cs
- configsystem.cs
- EntityStoreSchemaGenerator.cs
- AdRotator.cs
- LoadRetryHandler.cs
- ColorPalette.cs
- SrgsItemList.cs
- HostedElements.cs
- OleDbParameter.cs
- EncodingDataItem.cs
- IsolatedStorageException.cs
- WorkflowInspectionServices.cs
- ContractNamespaceAttribute.cs
- ValidationEventArgs.cs
- DynamicMethod.cs
- PipelineModuleStepContainer.cs
- UrlMappingCollection.cs
- DuplicateWaitObjectException.cs
- Activator.cs
- ExecutedRoutedEventArgs.cs
- XmlNullResolver.cs
- DataConnectionHelper.cs
- CharKeyFrameCollection.cs
- BeginEvent.cs
- SvcMapFileLoader.cs
- Material.cs
- MenuItem.cs
- ExpressionVisitor.cs
- HtmlToClrEventProxy.cs
- Security.cs
- assertwrapper.cs
- IdentityNotMappedException.cs
- ExpressionDumper.cs
- ProcessProtocolHandler.cs
- ActiveXContainer.cs
- BindingUtils.cs
- EntityDataSourceWrapper.cs
- RegexCaptureCollection.cs
- EntityProviderFactory.cs