Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / AddIn / AddIn / System / Addin / MiniReflection / MiniModule.cs / 1305376 / MiniModule.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: MiniModule ** ** Purpose: Wraps a module, using a managed PE reader to ** interpret the metadata. ** ===========================================================*/ using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Diagnostics; using System.Globalization; using System.IO; using System.Text; using System.AddIn.MiniReflection.MetadataReader; using System.Diagnostics.Contracts; namespace System.AddIn.MiniReflection { [Serializable] internal class MiniModule : IDisposable { [NonSerialized] protected PEFileReader _peFile; private MiniAssembly _assembly; private String _moduleName; protected MiniModule(String peFileName) { System.Diagnostics.Contracts.Contract.Requires(peFileName != null); _peFile = new PEFileReader(peFileName); _moduleName = Path.GetFileNameWithoutExtension(peFileName); } protected MiniModule() { } public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } protected virtual void Dispose(bool disposing) { if (_peFile != null) { if (disposing) _peFile.Dispose(); _peFile = null; } } // Spec#: this should be protected or private, not public. Long term, this // should be represented as a "model variable". public bool IsDisposed { [Pure] get { return _peFile == null; } } public MiniAssembly Assembly { get { System.Diagnostics.Contracts.Contract.Ensures(System.Diagnostics.Contracts.Contract.Result() != null); System.Diagnostics.Contracts.Contract.Assert(_assembly != null); return _assembly; } protected internal set { System.Diagnostics.Contracts.Contract.Requires(value != null); _assembly = value; } } public String ModuleName { get { return _moduleName; } } internal PEFileReader PEFileReader { get { if (IsDisposed) throw new ObjectDisposedException(null); System.Diagnostics.Contracts.Contract.EndContractBlock(); return _peFile; } } public IList GetGenericTypes() { // get a list of generic types by looking for Type owners in GenericParam table List genericTypeTokens = new List (); uint rowsGeneric = _peFile.MetaData.RowsInTable(MDTables.Tables.GenericParam); for (uint i = 0; i < rowsGeneric; i++) { _peFile.MetaData.SeekToRowOfTable(MDTables.Tables.GenericParam, i); _peFile.B.ReadUInt16(); // number _peFile.B.ReadUInt16(); // flags MetadataToken genericTypeToken = _peFile.MetaData.ReadMetadataToken(MDTables.Encodings.TypeOrMethodDef); // owner genericTypeTokens.Add(genericTypeToken); } return genericTypeTokens; } // Only returns public types. public IList GetTypesWithAttributeInModule(Type customAttribute) { return GetTypesWithAttributeInModule(customAttribute, false); } public IList GetTypesWithAttributeInModule(Type customAttribute, bool includePrivate) { if (IsDisposed) throw new ObjectDisposedException(null); if (customAttribute == null) throw new ArgumentNullException("customAttribute"); System.Diagnostics.Contracts.Contract.EndContractBlock(); _peFile.InitMetaData(); MDTables MetaData = _peFile.MetaData; List types = new List (); String attributeName = customAttribute.Name; String attributeNameSpace = customAttribute.Namespace; IList genericTypeTokens = GetGenericTypes(); uint numRows = MetaData.RowsInTable(MDTables.Tables.CustomAttribute); for (uint i = 0; i < numRows; i++) { MetaData.SeekToRowOfTable(MDTables.Tables.CustomAttribute, i); // Format: Parent type token, CA type token, value (index into blob heap) MetadataToken targetType = MetaData.ReadMetadataToken(MDTables.Encodings.HasCustomAttribute); MetadataToken caType = MetaData.ReadMetadataToken(MDTables.Encodings.CustomAttributeType); //UInt32 value = MetaData.ReadBlobIndex(); //Console.WriteLine("CA - Applied to: {0} CA .ctor: {1} Value: {2}", targetType, caType, value); //Console.WriteLine("CA MD Tokens Parent: {0} Type: {1}", targetType.ToMDToken(), caType.ToMDToken()); // Ensure the custom attribute type is the type we expect MetaData.SeekToMDToken(caType); String caTypeName = null, caNameSpace = null; if (caType.Table != MDTables.Tables.MemberRef) { // Custom attribute was defined in the assembly we are currently inspecting? // Ignore it. System.Diagnostics.Contracts.Contract.Assert(caType.Table == MDTables.Tables.MethodDef); continue; } MetadataToken customAttributeType = MetaData.ReadMetadataToken(MDTables.Encodings.MemberRefParent); //Console.WriteLine(" MemberRef: {0} Type of MemberRef: {1}", caType.ToMDToken(), customAttributeType.ToMDToken()); MetaData.SeekToMDToken(customAttributeType); MetadataToken resolutionScope = MetaData.ReadMetadataToken(MDTables.Encodings.ResolutionScope); // @ caTypeName = MetaData.ReadString(); if (!String.Equals(caTypeName, attributeName)) continue; caNameSpace = MetaData.ReadString(); if (!String.Equals(caNameSpace, attributeNameSpace)) continue; // Get type name & namespace. switch (targetType.Table) { case MDTables.Tables.TypeDef: MetaData.SeekToMDToken(targetType); System.Reflection.TypeAttributes flags = (System.Reflection.TypeAttributes) _peFile.B.ReadUInt32(); System.Reflection.TypeAttributes vis = flags & System.Reflection.TypeAttributes.VisibilityMask; bool isPublic = vis == System.Reflection.TypeAttributes.Public; // NestedPublic not supported if (!includePrivate && !isPublic) continue; String typeName = MetaData.ReadString(); String nameSpace = MetaData.ReadString(); bool isGeneric = genericTypeTokens.Contains(targetType); TypeInfo type = new TypeInfo(targetType, _assembly, this, typeName, nameSpace, isGeneric); types.Add(type); break; default: throw new NotImplementedException(String.Format(CultureInfo.CurrentCulture, Res.UnknownTokenType, targetType.Table, Assembly.FullName)); } } return types; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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