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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
namespace System.Runtime.InteropServices.WindowsRuntime
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics.Contracts;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security;
public static class WindowsRuntimeMetadata
{
// Wrapper for Win8 API RoResolveNamespace with default Windows SDK path as installed .winmd files in %WINDIR%\system32\WinMetadata.
[System.Security.SecurityCritical]
public static IEnumerable<string> ResolveNamespace(string namespaceName, IEnumerable<string> packageGraphFilePaths)
{
return ResolveNamespace(namespaceName, null, packageGraphFilePaths);
}
// Wrapper for Win8 API RoResolveNamespace.
[System.Security.SecurityCritical]
public static IEnumerable<string> ResolveNamespace(string namespaceName, string windowsSdkFilePath, IEnumerable<string> packageGraphFilePaths)
{
if (namespaceName == null)
throw new ArgumentNullException("namespaceName");
Contract.EndContractBlock();
string[] packageGraphFilePathsArray = null;
if (packageGraphFilePaths != null)
{
List<string> packageGraphFilePathsList = new List<string>(packageGraphFilePaths);
packageGraphFilePathsArray = new string[packageGraphFilePathsList.Count];
int index = 0;
foreach (string packageGraphFilePath in packageGraphFilePathsList)
{
packageGraphFilePathsArray[index] = packageGraphFilePath;
index++;
}
}
string[] retFileNames = null;
nResolveNamespace(
namespaceName,
windowsSdkFilePath,
packageGraphFilePathsArray,
((packageGraphFilePathsArray == null) ? 0 : packageGraphFilePathsArray.Length),
JitHelpers.GetObjectHandleOnStack(ref retFileNames));
return retFileNames;
}
[System.Security.SecurityCritical]
[DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
private extern static void nResolveNamespace(
string namespaceName,
string windowsSdkFilePath,
string[] packageGraphFilePaths,
int cPackageGraphFilePaths,
ObjectHandleOnStack retFileNames);
#if FEATURE_REFLECTION_ONLY_LOAD
[method: System.Security.SecurityCritical]
public static event EventHandler<NamespaceResolveEventArgs> ReflectionOnlyNamespaceResolve;
internal static RuntimeAssembly[] OnReflectionOnlyNamespaceResolveEvent(AppDomain appDomain, RuntimeAssembly assembly, string namespaceName)
{
EventHandler<NamespaceResolveEventArgs> eventHandler = ReflectionOnlyNamespaceResolve;
if (eventHandler != null)
{
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++)
{
NamespaceResolveEventArgs eventArgs = new NamespaceResolveEventArgs(namespaceName, assembly);
((EventHandler<NamespaceResolveEventArgs>)ds[i])(appDomain, eventArgs);
Collection<Assembly> assembliesCollection = eventArgs.ResolvedAssemblies;
if (assembliesCollection.Count > 0)
{
RuntimeAssembly[] retAssemblies = new RuntimeAssembly[assembliesCollection.Count];
int retIndex = 0;
foreach (Assembly asm in assembliesCollection)
{
retAssemblies[retIndex] = AppDomain.GetRuntimeAssembly(asm);
retIndex++;
}
return retAssemblies;
}
}
}
return null;
}
#endif //FEATURE_REFLECTION_ONLY
[method: System.Security.SecurityCritical]
public static event EventHandler<DesignerNamespaceResolveEventArgs> DesignerNamespaceResolve;
internal static string[] OnDesignerNamespaceResolveEvent(AppDomain appDomain, string namespaceName)
{
EventHandler<DesignerNamespaceResolveEventArgs> eventHandler = DesignerNamespaceResolve;
if (eventHandler != null)
{
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++)
{
DesignerNamespaceResolveEventArgs eventArgs = new DesignerNamespaceResolveEventArgs(namespaceName);
((EventHandler<DesignerNamespaceResolveEventArgs>)ds[i])(appDomain, eventArgs);
Collection<string> assemblyFilesCollection = eventArgs.ResolvedAssemblyFiles;
if (assemblyFilesCollection.Count > 0)
{
string[] retAssemblyFiles = new string[assemblyFilesCollection.Count];
int retIndex = 0;
foreach (string assemblyFile in assemblyFilesCollection)
{
if (String.IsNullOrEmpty(assemblyFile))
{ // DesignerNamespaceResolve event returned null or empty file name - that is not allowed
throw new ArgumentException(Environment.GetResourceString("Arg_EmptyOrNullString"), "DesignerNamespaceResolveEventArgs.ResolvedAssemblyFiles");
}
retAssemblyFiles[retIndex] = assemblyFile;
retIndex++;
}
return retAssemblyFiles;
}
}
}
return null;
}
}
#if FEATURE_REFLECTION_ONLY_LOAD
[ComVisible(false)]
public class NamespaceResolveEventArgs : EventArgs
{
private string _NamespaceName;
private Assembly _RequestingAssembly;
private Collection<Assembly> _ResolvedAssemblies;
public string NamespaceName
{
get
{
return _NamespaceName;
}
}
public Assembly RequestingAssembly
{
get
{
return _RequestingAssembly;
}
}
public Collection<Assembly> ResolvedAssemblies
{
get
{
return _ResolvedAssemblies;
}
}
public NamespaceResolveEventArgs(string namespaceName, Assembly requestingAssembly)
{
_NamespaceName = namespaceName;
_RequestingAssembly = requestingAssembly;
_ResolvedAssemblies = new Collection<Assembly>();
}
}
#endif //FEATURE_REFLECTION_ONLY
[ComVisible(false)]
public class DesignerNamespaceResolveEventArgs : EventArgs
{
private string _NamespaceName;
private Collection<string> _ResolvedAssemblyFiles;
public string NamespaceName
{
get
{
return _NamespaceName;
}
}
public Collection<string> ResolvedAssemblyFiles
{
get
{
return _ResolvedAssemblyFiles;
}
}
public DesignerNamespaceResolveEventArgs(string namespaceName)
{
_NamespaceName = namespaceName;
_ResolvedAssemblyFiles = new Collection<string>();
}
}
}
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