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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace Microsoft.Build.Tasks.Xaml
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.IO;
using System.Diagnostics.CodeAnalysis;
using System.Runtime;
internal class ResolveAssemblyHelper
{
static string fileNotfound = String.Empty;
IList<string> references;
public ResolveAssemblyHelper(IList<string> references)
{
this.references = references;
}
public Dictionary<string, Assembly> ReferencedAssemblies
{
get;
internal set;
}
// We are storing the file not found in this static variable so that
// later on we can print out the file name for the
// filenotfound exception thrown by CLR.
// Ok to use static here as there will be only one instance of this
// process per app domain.
internal static string FileNotFound
{
get { return fileNotfound; }
}
[SuppressMessage(FxCop.Category.Reliability, FxCop.Rule.AvoidCallingProblematicMethods,
Justification = "Using LoadFrom to avoid loading through Fusion and load from the exact path specified")]
public Assembly ResolveLocalProjectReferences(object sender, ResolveEventArgs args)
{
// Currently we are return the assembly just by matching the short name
// of the assembly. Filed bug 172138 to figure out whether we need
// to load the exact matching(version, culture, public key matches)
// assembly.
AssemblyName targetAssemblyName = new AssemblyName(args.Name);
string targetName = targetAssemblyName.Name;
Assembly targetAssembly = null;
if (this.ReferencedAssemblies != null)
{
this.ReferencedAssemblies.TryGetValue(targetName, out targetAssembly);
}
if (targetAssembly != null)
{
return targetAssembly;
}
foreach (string reference in this.references)
{
if (string.Equals(targetName, Path.GetFileNameWithoutExtension(reference), StringComparison.OrdinalIgnoreCase))
{
Assembly assembly = Assembly.LoadFrom(reference);
if (assembly != null)
{
targetAssembly = assembly;
if (this.ReferencedAssemblies == null)
{
this.ReferencedAssemblies = new Dictionary<string, Assembly>(StringComparer.OrdinalIgnoreCase);
}
this.ReferencedAssemblies.Add(targetName, assembly);
}
break;
}
}
if (targetAssembly == null)
{
fileNotfound = targetName;
}
return targetAssembly;
}
}
}
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