Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / BuildTasks / MS / Internal / Tasks / CompilerState.cs / 1305600 / CompilerState.cs
//---------------------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // An internal class which handles compiler information cache. It can read // write the cache file, this is for incremental build support. // // History: // // 11/21/05: weibz Created // //--------------------------------------------------------------------------------------- using System; using System.IO; using System.Collections; using System.Diagnostics; using System.Text; using System.Globalization; using Microsoft.Build.Tasks.Windows; using Microsoft.Build.Framework; using Microsoft.Build.Utilities; using MS.Utility; namespace MS.Internal.Tasks { // // Only cache information for below types. // internal enum CompilerStateType : int { AssemblyName = 0x00, AssemblyVersion, AssemblyPublicKeyToken, OutputType, Language, LanguageSourceExtension, OutputPath, RootNamespace, LocalizationDirectivesToLocFile, HostInBrowser, DefineConstants, ApplicationFile, PageMarkup, ContentFiles, SourceCodeFiles, References, PageMarkupFileNames, SplashImage, Pass2Required, MaxCount, } //// CompilerState // internal class CompilerState { //// ctor of CompilerState // internal CompilerState(string stateFilePath, ITaskFileService taskFileService) { _cacheInfoList = new String[(int)CompilerStateType.MaxCount]; _stateFilePath = stateFilePath; _taskFileService = taskFileService; } #region internal methods //// Detect whether the state file exists or not. // //internal bool StateFileExists() { return _taskFileService.Exists(_stateFilePath); } // // Clean up the state file. // internal void CleanupCache() { if (StateFileExists() ) { _taskFileService.Delete(_stateFilePath); } } internal bool SaveStateInformation(MarkupCompilePass1 mcPass1) { Debug.Assert(String.IsNullOrEmpty(_stateFilePath) != true, "StateFilePath must not be empty."); Debug.Assert(mcPass1 != null, "A valid instance of MarkupCompilePass1 must be passed to method SaveCacheInformation."); Debug.Assert(_cacheInfoList.Length == (int)CompilerStateType.MaxCount, "The Cache string array should be already allocated."); // Transfer the cache related information from mcPass1 to this instance. AssemblyName = mcPass1.AssemblyName; AssemblyVersion = mcPass1.AssemblyVersion; AssemblyPublicKeyToken = mcPass1.AssemblyPublicKeyToken; OutputType = mcPass1.OutputType; Language = mcPass1.Language; LanguageSourceExtension = mcPass1.LanguageSourceExtension; OutputPath = mcPass1.OutputPath; RootNamespace = mcPass1.RootNamespace; LocalizationDirectivesToLocFile = mcPass1.LocalizationDirectivesToLocFile; HostInBrowser = mcPass1.HostInBrowser; DefineConstants = mcPass1.DefineConstants; ApplicationFile = mcPass1.ApplicationFile; PageMarkup = mcPass1.PageMarkupCache; ContentFiles = mcPass1.ContentFilesCache; SourceCodeFiles = mcPass1.SourceCodeFilesCache; References = mcPass1.ReferencesCache; PageMarkupFileNames = GenerateStringFromFileNames(mcPass1.PageMarkup); SplashImage = mcPass1.SplashImageName; Pass2Required = (mcPass1.RequirePass2ForMainAssembly || mcPass1.RequirePass2ForSatelliteAssembly); return SaveStateInformation(); } internal bool SaveStateInformation() { bool bSuccess = false; // Save the cache information to the cache file. MemoryStream memStream = new MemoryStream(); // using Disposes the StreamWriter when it ends. Disposing the StreamWriter // also closes the underlying MemoryStream. Furthermore, don't add BOM here // since TaskFileService.WriteFile adds it. using (StreamWriter sw = new StreamWriter(memStream, new UTF8Encoding(false))) { for (int i =0; i<(int)CompilerStateType.MaxCount; i++) { sw.WriteLine(_cacheInfoList[i]); } sw.Flush(); _taskFileService.WriteFile(memStream.ToArray(), _stateFilePath); bSuccess = true; } return bSuccess; } // // Read the markupcompiler cache file, load the cached information // to the corresponding data fields in this class. // internal bool LoadStateInformation( ) { Debug.Assert(String.IsNullOrEmpty(_stateFilePath) != true, "_stateFilePath must be not be empty."); Debug.Assert(_cacheInfoList.Length == (int)CompilerStateType.MaxCount, "The Cache string array should be already allocated."); bool loadSuccess = false; Stream stream = null; if (_taskFileService.IsRealBuild) { // Pass2 writes to the cache, but Pass2 doesn't have a HostObject (because it's only // used for real builds), so it writes directly to the file system. So we need to read // directly from the file system; if we read via the HostFileManager, we'll get stale // results that don't reflect updates made in Pass2. stream = File.OpenRead(_stateFilePath); } else { stream = _taskFileService.GetContent(_stateFilePath); } // using Disposes the StreamReader when it ends. Disposing the StreamReader // also closes the underlying MemoryStream. Don't look for BOM at the beginning // of the stream, since we don't add it when writing. TaskFileService takes care // of this. using (StreamReader srCache = new StreamReader(stream, false)) { int i = 0; while (srCache.EndOfStream != true) { if (i >= (int)CompilerStateType.MaxCount) { break; } _cacheInfoList[i] = srCache.ReadLine(); i++; } loadSuccess = true; } return loadSuccess; } // // Generate cache string for item lists such as PageMarkup, References, // ContentFiles and CodeFiles etc. // internal static string GenerateCacheForFileList(ITaskItem[] fileItemList) { string cacheString = String.Empty; if (fileItemList != null && fileItemList.Length > 0) { int iHashCode = 0; int iCount = fileItemList.Length; for (int i = 0; i < iCount; i++) { iHashCode += fileItemList[i].ItemSpec.GetHashCode(); } StringBuilder sb = new StringBuilder(); sb.Append(iCount); sb.Append(iHashCode); cacheString = sb.ToString(); } return cacheString; } private static string GenerateStringFromFileNames(ITaskItem[] fileItemList) { string fileNames = String.Empty; if (fileItemList != null) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < fileItemList.Length; i++) { sb.Append(fileItemList[i].ItemSpec); sb.Append(";"); } fileNames = sb.ToString(); } return fileNames; } #endregion #region internal properties internal string CacheFilePath { get { return _stateFilePath; } } internal string AssemblyName { get { return _cacheInfoList[(int)CompilerStateType.AssemblyName]; } set { _cacheInfoList[(int)CompilerStateType.AssemblyName] = value; } } internal string AssemblyVersion { get { return _cacheInfoList[(int)CompilerStateType.AssemblyVersion]; } set { _cacheInfoList[(int)CompilerStateType.AssemblyVersion] = value; } } internal string AssemblyPublicKeyToken { get { return _cacheInfoList[(int)CompilerStateType.AssemblyPublicKeyToken]; } set { _cacheInfoList[(int)CompilerStateType.AssemblyPublicKeyToken] = value; } } internal string OutputType { get { return _cacheInfoList[(int)CompilerStateType.OutputType]; } set { _cacheInfoList[(int)CompilerStateType.OutputType] = value; } } internal string Language { get { return _cacheInfoList[(int)CompilerStateType.Language]; } set { _cacheInfoList[(int)CompilerStateType.Language] = value; } } internal string LanguageSourceExtension { get { return _cacheInfoList[(int)CompilerStateType.LanguageSourceExtension]; } set { _cacheInfoList[(int)CompilerStateType.LanguageSourceExtension] = value; } } internal string OutputPath { get { return _cacheInfoList[(int)CompilerStateType.OutputPath]; } set { _cacheInfoList[(int)CompilerStateType.OutputPath] = value; } } internal string RootNamespace { get { return _cacheInfoList[(int)CompilerStateType.RootNamespace]; } set { _cacheInfoList[(int)CompilerStateType.RootNamespace] = value; } } internal string LocalizationDirectivesToLocFile { get { return _cacheInfoList[(int)CompilerStateType.LocalizationDirectivesToLocFile]; } set { _cacheInfoList[(int)CompilerStateType.LocalizationDirectivesToLocFile] = value; } } internal string HostInBrowser { get { return _cacheInfoList[(int)CompilerStateType.HostInBrowser]; } set { _cacheInfoList[(int)CompilerStateType.HostInBrowser] = value; } } internal string DefineConstants { get { return _cacheInfoList[(int)CompilerStateType.DefineConstants]; } set { _cacheInfoList[(int)CompilerStateType.DefineConstants] = value; } } internal string ApplicationFile { get { return _cacheInfoList[(int)CompilerStateType.ApplicationFile]; } set { _cacheInfoList[(int)CompilerStateType.ApplicationFile] = value; } } internal string PageMarkup { get { return _cacheInfoList[(int)CompilerStateType.PageMarkup]; } set { _cacheInfoList[(int)CompilerStateType.PageMarkup] = value; } } internal string ContentFiles { get { return _cacheInfoList[(int)CompilerStateType.ContentFiles]; } set { _cacheInfoList[(int)CompilerStateType.ContentFiles] = value; } } internal string SourceCodeFiles { get { return _cacheInfoList[(int)CompilerStateType.SourceCodeFiles]; } set { _cacheInfoList[(int)CompilerStateType.SourceCodeFiles] = value; } } internal string References { get { return _cacheInfoList[(int)CompilerStateType.References]; } set { _cacheInfoList[(int)CompilerStateType.References] = value; } } internal string PageMarkupFileNames { get { return _cacheInfoList[(int)CompilerStateType.PageMarkupFileNames]; } set { _cacheInfoList[(int)CompilerStateType.PageMarkupFileNames] = value; } } internal string SplashImage { get { return _cacheInfoList[(int)CompilerStateType.SplashImage]; } set { _cacheInfoList[(int)CompilerStateType.SplashImage] = value; } } internal bool Pass2Required { get { return _cacheInfoList[(int)CompilerStateType.Pass2Required] == bool.TrueString; } set { _cacheInfoList[(int)CompilerStateType.Pass2Required] = value.ToString(CultureInfo.InvariantCulture); } } #endregion #region private data private String [] _cacheInfoList; private string _stateFilePath; private ITaskFileService _taskFileService = null; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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