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using System;
using System.Reflection;
using System.Collections.Generic;
using System.IO;
using Mono.Collections.Generic;
using Mono.Cecil;
#if NET_CORE
namespace Mono.Linker {
public abstract class DirectoryAssemblyResolver : IAssemblyResolver {
readonly Collection<string> directories;
public void AddSearchDirectory (string directory)
{
directories.Add (directory);
}
public void RemoveSearchDirectory (string directory)
{
directories.Remove (directory);
}
public string [] GetSearchDirectories ()
{
return this.directories.ToArray ();
}
protected DirectoryAssemblyResolver ()
{
directories = new Collection<string> (2) { "." };
}
AssemblyDefinition GetAssembly (string file, ReaderParameters parameters)
{
if (parameters.AssemblyResolver == null)
parameters.AssemblyResolver = this;
return ModuleDefinition.ReadModule (file, parameters).Assembly;
}
public virtual AssemblyDefinition Resolve (AssemblyNameReference name)
{
return Resolve (name, new ReaderParameters ());
}
public virtual AssemblyDefinition Resolve (AssemblyNameReference name, ReaderParameters parameters)
{
if (name == null)
throw new ArgumentNullException ("name");
if (parameters == null)
parameters = new ReaderParameters ();
var assembly = SearchDirectory (name, directories, parameters);
if (assembly != null)
return assembly;
throw new AssemblyResolutionException (name);
}
AssemblyDefinition SearchDirectory (AssemblyNameReference name, IEnumerable<string> directories, ReaderParameters parameters)
{
var extensions = new [] { ".dll", ".exe" };
foreach (var directory in directories) {
foreach (var extension in extensions) {
string file = Path.Combine (directory, name.Name + extension);
if (!File.Exists (file))
continue;
try {
return GetAssembly (file, parameters);
} catch (System.BadImageFormatException) {
continue;
}
}
}
return null;
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
}
}
}
#endif
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