protected virtual AssemblyDefinition SearchDirectory(AssemblyNameReference name, IEnumerable <string> directories, ReaderParameters parameters)
{
var extensions = name.IsWindowsRuntime ? new [] { ".winmd", ".dll" } : new [] { ".exe", ".dll" };
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);
}
AssemblyDefinition GetCorlib(AssemblyNameReference reference, ReaderParameters parameters)
{
var version = reference.Version;
var corlib = typeof(object).Assembly.GetName();
if (corlib.Version == version || IsZero(version))
{
return(GetAssembly(typeof(object).Module.FullyQualifiedName, parameters));
}
var path = Directory.GetParent(
Directory.GetParent(
typeof(object).Module.FullyQualifiedName).FullName
).FullName;
if (on_mono)
{
if (version.Major == 1)
{
path = Path.Combine(path, "1.0");
}
else if (version.Major == 2)
{
if (version.MajorRevision == 5)
{
path = Path.Combine(path, "2.1");
}
else
{
path = Path.Combine(path, "2.0");
}
}
else if (version.Major == 4)
{
path = Path.Combine(path, "4.0");
}
else
{
throw new NotSupportedException("Version not supported: " + version);
}
}
else
{
switch (version.Major)
{
case 1:
if (version.MajorRevision == 3300)
{
path = Path.Combine(path, "v1.0.3705");
}
else
{
path = Path.Combine(path, "v1.0.5000.0");
}
break;
case 2:
path = Path.Combine(path, "v2.0.50727");
break;
case 4:
path = Path.Combine(path, "v4.0.30319");
break;
default:
throw new NotSupportedException("Version not supported: " + version);
}
}
var file = Path.Combine(path, "mscorlib.dll");
if (File.Exists(file))
{
return(GetAssembly(file, parameters));
}
if (on_mono && Directory.Exists(path + "-api"))
{
file = Path.Combine(path + "-api", "mscorlib.dll");
if (File.Exists(file))
{
return(GetAssembly(file, parameters));
}
}
return(null);
}
AssemblyDefinition SearchTrustedPlatformAssemblies(AssemblyNameReference name, ReaderParameters parameters)
{
if (name.IsWindowsRuntime)
{
return(null);
}
if (TrustedPlatformAssemblies.Value.TryGetValue(name.Name, out string path))
{
return(GetAssembly(path, parameters));
}
return(null);
}
public virtual AssemblyDefinition Resolve(AssemblyNameReference name, ReaderParameters parameters)
{
Mixin.CheckName(name);
Mixin.CheckParameters(parameters);
var assembly = SearchDirectory(name, directories, parameters);
if (assembly != null)
{
return(assembly);
}
if (name.IsRetargetable)
{
// if the reference is retargetable, zero it
name = new AssemblyNameReference(name.Name, Mixin.ZeroVersion)
{
PublicKeyToken = Empty <byte> .Array,
};
}
#if NET_CORE
assembly = SearchTrustedPlatformAssemblies(name, parameters);
if (assembly != null)
{
return(assembly);
}
#else
var framework_dir = Path.GetDirectoryName(typeof(object).Module.FullyQualifiedName);
var framework_dirs = on_mono
? new [] { framework_dir, Path.Combine(framework_dir, "Facades") }
: new [] { framework_dir };
if (IsZero(name.Version))
{
assembly = SearchDirectory(name, framework_dirs, parameters);
if (assembly != null)
{
return(assembly);
}
}
if (name.Name == "mscorlib")
{
assembly = GetCorlib(name, parameters);
if (assembly != null)
{
return(assembly);
}
}
assembly = GetAssemblyInGac(name, parameters);
if (assembly != null)
{
return(assembly);
}
assembly = SearchDirectory(name, framework_dirs, parameters);
if (assembly != null)
{
return(assembly);
}
#endif
if (ResolveFailure != null)
{
assembly = ResolveFailure(this, name);
if (assembly != null)
{
return(assembly);
}
}
throw new AssemblyResolutionException(name);
}
static ModuleDefinition ReadModule(Disposable <Stream> stream, string fileName, ReaderParameters parameters)
{
Mixin.CheckParameters(parameters);
return(ModuleReader.CreateModule(
ImageReader.ReadImage(stream, fileName),
parameters));
}
public static AssemblyDefinition ReadAssembly(Stream stream, ReaderParameters parameters)
{
return(ReadAssembly(ModuleDefinition.ReadModule(stream, parameters)));
}
public static AssemblyDefinition ReadAssembly(string fileName, ReaderParameters parameters)
{
return(ReadAssembly(ModuleDefinition.ReadModule(fileName, parameters)));
}