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/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Build / MS / Internal / Tasks / TaskHelper.cs / 1 / TaskHelper.cs
//------------------------------------------------------------------------------ // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // TaskHelper implements some common functions for all the WCP tasks // to call. // // History: // // 05/02/05: [....] Created // //----------------------------------------------------------------------------- using System; using System.IO; using System.Collections; using System.Text; using System.Runtime.InteropServices; using System.Globalization; using System.Diagnostics; using System.Reflection; using System.Resources; using Microsoft.Build.Framework; using Microsoft.Build.Utilities; using Microsoft.Build.Tasks; using MS.Utility; namespace MS.Internal.Tasks { // // This is required by the unmanaged API GetGacPath. // the value indicates the source of the cached assembly. // // For our scenario, we just care about GACed assembly. // [Flags] internal enum AssemblyCacheFlags { ZAP = 1, GAC = 2, DOWNLOAD = 4 } #region BaseTask class //// TaskHelper which implements some helper methods. // internal static class TaskHelper { //----------------------------------------------------- // // Internal Helper Methods // //----------------------------------------------------- #region Internal Methods //// Output the Logo information to the logger for a given task // (Console or registered Loggers). // internal static void DisplayLogo(TaskLoggingHelper log, string taskName) { string acPath = Assembly.GetExecutingAssembly().Location; FileVersionInfo acFileVersionInfo = FileVersionInfo.GetVersionInfo(acPath); string avalonFileVersion = acFileVersionInfo.FileVersion; log.LogMessage(MessageImportance.Low,Environment.NewLine); log.LogMessageFromResources(MessageImportance.Low, SRID.TaskLogo.String, taskName, avalonFileVersion); log.LogMessageFromResources(MessageImportance.Low, SRID.TaskRight.String); log.LogMessage(MessageImportance.Low, Environment.NewLine); } //// Create the full file path with the right root path // // The original file path // The root path //The new fullpath internal static string CreateFullFilePath(string thePath, string rootPath) { // make it an absolute path if not already so if ( !Path.IsPathRooted(thePath) ) { thePath = rootPath + thePath; } // get rid of '..' and '.' if any thePath = Path.GetFullPath(thePath); return thePath; } //// This helper returns the "relative" portion of a path // to a given "root" // - both paths need to be rooted // - if no match > return empty string // E.g.: path1 = C:\foo\bar\ // path2 = C:\foo\bar\baz // // return value = "baz" // internal static string GetRootRelativePath(string path1, string path2) { string relPath = ""; string fullpath1; string fullpath2; string sourceDir = Directory.GetCurrentDirectory() + "\\"; // make sure path1 and Path2 are both full path // so that they can be compared on right base. fullpath1 = CreateFullFilePath (path1, sourceDir); fullpath2 = CreateFullFilePath (path2, sourceDir); if (fullpath2.StartsWith(fullpath1, StringComparison.OrdinalIgnoreCase)) { relPath = fullpath2.Substring (fullpath1.Length); } return relPath; } //// Convert a string to a Boolean value using exactly the same rules as // MSBuild uses when it assigns project properties to Boolean CLR properties // in a task class. // // The string value to convert //true if str is "true", "yes", or "on" (case-insensitive), // otherwise false. internal static bool BooleanStringValue(string str) { bool isBoolean = false; if (str != null && str.Length > 0) { str = str.ToLower(CultureInfo.InvariantCulture); if (str.Equals("true") || str.Equals("yes") || str.Equals("on")) { isBoolean = true; } } return isBoolean; } //// return a lower case string // // //internal static string GetLowerString(string str) { string lowerStr = null; if (str != null && str.Length > 0) { lowerStr = str.ToLower(CultureInfo.InvariantCulture); } return lowerStr; } // // Check if the passed string stands for a valid culture name. // internal static bool IsValidCultureName(string name) { bool bValid = true; try { // // If the passed name is empty or null, we still want // to treat it as valid culture name. // It means no satellite assembly will be generated, all the // resource images will go to the main assembly. // if (name != null && name.Length > 0) { CultureInfo cl; cl = new CultureInfo(name); // if CultureInfo instance cannot be created for the given name, // treat it as invalid culture name. if (cl == null) bValid = false; } } catch (ArgumentException) { bValid = false; } return bValid; } [DllImport("fusion.dll", CharSet = CharSet.Auto)] internal static extern int GetCachePath(AssemblyCacheFlags cacheFlags, StringBuilder cachePath, ref int pcchPath); internal static string GetGacPath() { if ( !String.IsNullOrEmpty(_gacPath) ) return _gacPath; int gacPathLength = 0; // Request the size of buffer for the path. int hresult = GetCachePath(AssemblyCacheFlags.GAC, null, ref gacPathLength); // // When gacPathLength is set to 0 and passed to this method, the return value // is an error which indicates INSUFFICIENT_BUFFER, so the code here doesn't // check that return value, but just check whether the returned desired buffer // length is valid or not. // if (gacPathLength > 0) { // Allocate the right size for that buffer. StringBuilder gacPath = new StringBuilder(gacPathLength); // Get the real path string to the buffer. hresult = GetCachePath(AssemblyCacheFlags.GAC, gacPath, ref gacPathLength); if (hresult >= 0) { _gacPath = gacPath.ToString(); } } return _gacPath; } // // Detect whether the referenced assembly could be changed during the build procedure. // // Current logic: // By default, assume it could be changed during the build. // If knownChangedAssemblies are set, only those assemblies are changeable, all others are not. // // If the assembly is not in the knownChangedAssemblies list, // but it is under GAC or under knownUnchangedReferencePaths, it is not changeable. // internal static bool CouldReferenceAssemblyBeChanged(string assemblyPath, string[] knownUnchangedReferencePaths, string[] knownChangedAssemblies) { Debug.Assert(String.IsNullOrEmpty(assemblyPath) == false, "assemblyPath should not be empty."); bool bCouldbeChanged = true; if (String.Compare(Path.GetExtension(assemblyPath), Shared.MetadataDll, StringComparison.OrdinalIgnoreCase) == 0) { return false; } if (knownChangedAssemblies != null && knownChangedAssemblies.Length > 0) { int length = assemblyPath.Length; bool bInKnownChangedList = false; foreach (string changedAsm in knownChangedAssemblies) { if (String.Compare(assemblyPath, 0, changedAsm, 0, length, StringComparison.OrdinalIgnoreCase) == 0) { bInKnownChangedList = true; break; } } bCouldbeChanged = bInKnownChangedList; } else { string gacRoot = GetGacPath(); if (!String.IsNullOrEmpty(gacRoot) && assemblyPath.StartsWith(gacRoot, StringComparison.OrdinalIgnoreCase) == true) { bCouldbeChanged = false; } else { if (knownUnchangedReferencePaths != null && knownUnchangedReferencePaths.Length > 0) { foreach (string unchangePath in knownUnchangedReferencePaths) { if (assemblyPath.StartsWith(unchangePath, StringComparison.OrdinalIgnoreCase) == true) { bCouldbeChanged = false; break; } } } } } return bCouldbeChanged; } internal static string GetWholeExceptionMessage(Exception exception) { Exception e = exception; string message = e.Message; while (e.InnerException != null) { Exception eInner = e.InnerException; if (e.Message.IndexOf(eInner.Message, StringComparison.Ordinal) == -1) { message += ", "; message += eInner.Message; } e = eInner; } if (message != null && message.EndsWith(".", StringComparison.Ordinal) == false) { message += "."; } return message; } // // Helper to create CompilerWrapper. // internal static CompilerWrapper CreateCompilerWrapper(bool fInSeparateDomain, ref AppDomain appDomain) { CompilerWrapper compilerWrapper; appDomain = null; Assembly curAsm = Assembly.GetExecutingAssembly(); if (fInSeparateDomain && curAsm.GlobalAssemblyCache) { appDomain = AppDomain.CreateDomain("markupCompilationAppDomain", null, AppDomain.CurrentDomain.SetupInformation); BindingFlags bf = BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.CreateInstance | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.SetProperty; compilerWrapper = appDomain.CreateInstanceAndUnwrap(curAsm.FullName, typeof(CompilerWrapper).FullName, false, bf, null, null, null, null, null) as CompilerWrapper; } else { compilerWrapper = new CompilerWrapper(); } return compilerWrapper; } #endregion Internal Methods static private string _gacPath = String.Empty; } #endregion TaskHelper class } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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