Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Util / versioninfo.cs / 1305376 / versioninfo.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Support for getting file versions * * Copyright (c) 1999 Microsoft Corporation */ namespace System.Web.Util { using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Text; using System.Runtime.Serialization.Formatters; using System.Configuration.Assemblies; using System.Security.Permissions; // // Support for getting file version of relevant files // internal class VersionInfo { static private string _engineVersion; static private string _mscoreeVersion; static private string _exeName; static private object _lock = new object(); private VersionInfo() { } [FileIOPermission(SecurityAction.Assert, Unrestricted = true)] internal static string GetFileVersion(String filename) { #if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo try { FileVersionInfo ver = FileVersionInfo.GetVersionInfo(filename); return string.Format(CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}", ver.FileMajorPart, ver.FileMinorPart, ver.FileBuildPart, ver.FilePrivatePart); } catch { return String.Empty; } #else // !FEATURE_PAL // ROTORTODO return String.Empty; #endif // !FEATURE_PAL } internal static string GetLoadedModuleFileName(string module) { #if !FEATURE_PAL // FEATURE_PAL does not fully support FileVersionInfo IntPtr h = UnsafeNativeMethods.GetModuleHandle(module); if (h == IntPtr.Zero) return null; StringBuilder buf = new StringBuilder(256); if (UnsafeNativeMethods.GetModuleFileName(h, buf, 256) == 0) return null; String fileName = buf.ToString(); if (StringUtil.StringStartsWith(fileName, "\\\\?\\")) // on Whistler GetModuleFileName migth return this fileName = fileName.Substring(4); return fileName; #else // !FEATURE_PAL // ROTORTODO return String.Empty; #endif // !FEATURE_PAL } internal static string GetLoadedModuleVersion(string module) { String filename = GetLoadedModuleFileName(module); if (filename == null) return null; return GetFileVersion(filename); } internal static string SystemWebVersion { get { return ThisAssembly.InformationalVersion; } } internal static string EngineVersion { #if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features get { if (_engineVersion == null) { lock(_lock) { if (_engineVersion == null) _engineVersion = GetLoadedModuleVersion(ModName.ENGINE_FULL_NAME); } } return _engineVersion; #else // !FEATURE_PAL // ROTORTODO return "1.2.0.0"; #endif // !FEATURE_PAL } } internal static string ClrVersion { get { if (_mscoreeVersion == null) { lock(_lock) { if (_mscoreeVersion == null) { //@ // Substring(1) removes the 'v' character. _mscoreeVersion = System.Runtime.InteropServices.RuntimeEnvironment.GetSystemVersion().Substring(1); } } } return _mscoreeVersion; } } internal static string ExeName { get { if (_exeName == null) { lock(_lock) { if (_exeName == null) { String s = GetLoadedModuleFileName(null); if (s == null) s = String.Empty; // strip path int i = s.LastIndexOf('\\'); if (i >= 0) s = s.Substring(i+1); // strip extension i = s.LastIndexOf('.'); if (i >= 0) s = s.Substring(0, i); _exeName = s.ToLower(CultureInfo.InvariantCulture); } } } return _exeName; } } } // // Support for getting OS Flavor // internal enum OsFlavor { Undetermined, Other, WebBlade, StdServer, AdvServer, DataCenter, } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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