Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / ComIntegration / TypeLibraryHelper.cs / 1 / TypeLibraryHelper.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.ServiceModel.ComIntegration { using System; using System.Runtime.InteropServices; using System.Runtime.InteropServices.ComTypes; using Microsoft.Win32; using System.Reflection; using System.Collections.Generic; using System.Threading; using System.Diagnostics; using System.ServiceModel.Diagnostics; internal sealed class TypeLibraryHelper { internal static Assembly GenerateAssemblyFromNativeTypeLibrary (Guid iid, Guid typeLibraryID, ITypeLib typeLibrary) { TypeLibraryHelper helper = GetHelperInstance (); try { return helper.GenerateAssemblyFromNativeTypeLibInternal (iid, typeLibraryID, typeLibrary); } finally { ReleaseHelperInstance (); } } private static object instanceLock = new object (); private static TypeLibraryHelper instance; private static int instanceCount = 0; private static TypeLibraryHelper GetHelperInstance () { lock (instanceLock) { if (instance == null) { TypeLibraryHelper tlhTemp = new TypeLibraryHelper(); Thread.MemoryBarrier(); instance = tlhTemp; } } Interlocked.Increment (ref instanceCount); return instance; } private static void ReleaseHelperInstance () { if (0 == Interlocked.Decrement (ref instanceCount)) instance = null; } internal class ConversionEventHandler : ITypeLibImporterNotifySink { Guid iid; Guid typeLibraryID; public ConversionEventHandler (Guid iid, Guid typeLibraryID) { this.iid = iid; this.typeLibraryID = typeLibraryID; } void ITypeLibImporterNotifySink.ReportEvent( ImporterEventKind eventKind, int eventCode, string eventMsg ) { ComPlusTLBImportTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationTLBImportConverterEvent, SR.TraceCodeComIntegrationTLBImportConverterEvent, iid, typeLibraryID, eventKind, eventCode, eventMsg); } Assembly ITypeLibImporterNotifySink.ResolveRef( object typeLib ) { ITypeLib tlb = typeLib as ITypeLib; IntPtr ptr = IntPtr.Zero; try { tlb.GetLibAttr(out ptr); System.Runtime.InteropServices.ComTypes.TYPELIBATTR attr = (System.Runtime.InteropServices.ComTypes.TYPELIBATTR)Marshal.PtrToStructure(ptr, typeof(System.Runtime.InteropServices.ComTypes.TYPELIBATTR)); return TypeLibraryHelper.GenerateAssemblyFromNativeTypeLibrary (iid, attr.guid, typeLib as ITypeLib); } finally { if ((ptr != IntPtr.Zero) && (tlb != null)) tlb.ReleaseTLibAttr (ptr); } } } TypeLibConverter TypelibraryConverter = new TypeLibConverter(); DictionaryTypelibraryAssembly = new Dictionary (); private string GetRandomName () { Guid guid = Guid.NewGuid (); String strGuid = guid.ToString (); return strGuid.Replace ('-','_'); } private Assembly GenerateAssemblyFromNativeTypeLibInternal (Guid iid, Guid typeLibraryID, ITypeLib typeLibrary) { Assembly asm = null; try { lock (this) { TypelibraryAssembly.TryGetValue(typeLibraryID, out asm); if (asm == null) { string assemblyName = ""; string notused1 = ""; string notused2 = ""; int notused3; string namespaceName; typeLibrary.GetDocumentation(-1, out namespaceName, out notused1, out notused3, out notused2); if (String.IsNullOrEmpty(namespaceName)) { DiagnosticUtility.DebugAssert("Assembly cannot be null"); throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(true); } assemblyName = String.Concat(namespaceName, GetRandomName(), ".dll"); asm = TypelibraryConverter.ConvertTypeLibToAssembly(typeLibrary, assemblyName, TypeLibImporterFlags.SerializableValueClasses, new ConversionEventHandler(iid, typeLibraryID), null, null, namespaceName, null); TypelibraryAssembly[typeLibraryID] = asm; } } } catch (ReflectionTypeLoadException ) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError (new InvalidOperationException (SR.GetString (SR.FailedToConvertTypelibraryToAssembly))); } if (asm == null) { DiagnosticUtility.DebugAssert("Assembly cannot be null"); throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(true); } return asm; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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