public override AssemblyDefinition Resolve (AssemblyNameReference name)
{
if (name == null)
throw new ArgumentNullException ("name");
AssemblyDefinition assembly;
if (cache.TryGetValue (name.FullName, out assembly))
return assembly;
assembly = base.Resolve (name);
cache [name.FullName] = assembly;
return assembly;
}
AssemblyNameReference ImportScope (SR.Assembly assembly)
{
AssemblyNameReference scope;
#if !SILVERLIGHT
var name = assembly.GetName ();
if (TryGetAssemblyNameReference (name, out scope))
return scope;
scope = new AssemblyNameReference (name.Name, name.Version) {
Culture = name.CultureInfo.Name,
PublicKeyToken = name.GetPublicKeyToken (),
HashAlgorithm = (AssemblyHashAlgorithm) name.HashAlgorithm,
};
module.AssemblyReferences.Add (scope);
return scope;
#else
var name = AssemblyNameReference.Parse (assembly.FullName);
if (TryGetAssemblyNameReference (name, out scope))
return scope;
module.AssemblyReferences.Add (name);
return name;
#endif
}
public static AssemblyNameReference Parse (string fullName)
{
if (fullName == null)
throw new ArgumentNullException ("fullName");
if (fullName.Length == 0)
throw new ArgumentException ("Name can not be empty");
var name = new AssemblyNameReference ();
var tokens = fullName.Split (',');
for (int i = 0; i < tokens.Length; i++) {
var token = tokens [i].Trim ();
if (i == 0) {
name.Name = token;
continue;
}
var parts = token.Split ('=');
if (parts.Length != 2)
throw new ArgumentException ("Malformed name");
switch (parts [0]) {
case "Version":
name.Version = new Version (parts [1]);
break;
case "Culture":
name.Culture = parts [1];
break;
case "PublicKeyToken":
string pk_token = parts [1];
if (pk_token == "null")
break;
name.PublicKeyToken = new byte [pk_token.Length / 2];
for (int j = 0; j < name.PublicKeyToken.Length; j++) {
name.PublicKeyToken [j] = Byte.Parse (pk_token.Substring (j * 2, 2), NumberStyles.HexNumber);
}
break;
}
}
return name;
}
public AssemblyLinkedResource (string name, ManifestResourceAttributes flags, AssemblyNameReference reference)
: base (name, flags)
{
this.reference = reference;
}
public AssemblyNameReference GetCorlibReference ()
{
if (corlib != null)
return corlib;
const string mscorlib = "mscorlib";
var references = module.AssemblyReferences;
for (int i = 0; i < references.Count; i++) {
var reference = references [i];
if (reference.Name == mscorlib)
return corlib = reference;
}
corlib = new AssemblyNameReference {
Name = mscorlib,
Version = GetCorlibVersion (),
PublicKeyToken = new byte [] { 0xb7, 0x7a, 0x5c, 0x56, 0x19, 0x34, 0xe0, 0x89 },
};
references.Add (corlib);
return corlib;
}
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;
#if !SILVERLIGHT && !CF
var framework_dir = Path.GetDirectoryName (typeof (object).Module.FullyQualifiedName);
if (IsZero (name.Version)) {
assembly = SearchDirectory (name, new [] { framework_dir }, 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, new [] { framework_dir }, parameters);
if (assembly != null)
return assembly;
#endif
if (ResolveFailure != null) {
assembly = ResolveFailure (this, name);
if (assembly != null)
return assembly;
}
throw new AssemblyResolutionException (name);
}
public AssemblyLinkedResource(string name, ManifestResourceAttributes flags, AssemblyNameReference reference)
: base(name, flags)
{
this.reference = reference;
}
static string GetAssemblyFile (AssemblyNameReference reference, string prefix, string gac)
{
var gac_folder = new StringBuilder ()
.Append (prefix)
.Append (reference.Version)
.Append ("__");
for (int i = 0; i < reference.PublicKeyToken.Length; i++)
gac_folder.Append (reference.PublicKeyToken [i].ToString ("x2"));
return Path.Combine (
Path.Combine (
Path.Combine (gac, reference.Name), gac_folder.ToString ()),
reference.Name + ".dll");
}
public AssemblyResolveEventArgs (AssemblyNameReference reference)
{
this.reference = reference;
}
AssemblyDefinition GetAssemblyInMonoGac (AssemblyNameReference reference, ReaderParameters parameters)
{
for (int i = 0; i < gac_paths.Count; i++) {
var gac_path = gac_paths [i];
var file = GetAssemblyFile (reference, string.Empty, gac_path);
if (File.Exists (file))
return GetAssembly (file, parameters);
}
return null;
}
AssemblyDefinition GetAssemblyInNetGac (AssemblyNameReference reference, ReaderParameters parameters)
{
var gacs = new [] { "GAC_MSIL", "GAC_32", "GAC" };
var prefixes = new [] { string.Empty, "v4.0_" };
for (int i = 0; i < 2; i++) {
for (int j = 0; j < gacs.Length; j++) {
var gac = Path.Combine (gac_paths [i], gacs [j]);
var file = GetAssemblyFile (reference, prefixes [i], gac);
if (Directory.Exists (gac) && File.Exists (file))
return GetAssembly (file, parameters);
}
}
return null;
}
AssemblyDefinition GetAssemblyInGac (AssemblyNameReference reference, ReaderParameters parameters)
{
if (reference.PublicKeyToken == null || reference.PublicKeyToken.Length == 0)
return null;
if (gac_paths == null)
gac_paths = GetGacPaths ();
if (on_mono)
return GetAssemblyInMonoGac (reference, parameters);
return GetAssemblyInNetGac (reference, parameters);
}
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);
return null;
}
AssemblyDefinition SearchDirectory (AssemblyNameReference name, IEnumerable<string> directories, ReaderParameters parameters)
{
var extensions = 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))
return GetAssembly (file, parameters);
}
}
return null;
}
AssemblyNameReference ImportAssemblyName (AssemblyNameReference name)
{
AssemblyNameReference reference;
if (TryGetAssemblyNameReference (name, out reference))
return reference;
reference = new AssemblyNameReference (name.Name, name.Version) {
Culture = name.Culture,
HashAlgorithm = name.HashAlgorithm,
};
var pk_token = !name.PublicKeyToken.IsNullOrEmpty ()
? new byte [name.PublicKeyToken.Length]
: Empty<byte>.Array;
if (pk_token.Length > 0)
Buffer.BlockCopy (name.PublicKeyToken, 0, pk_token, 0, pk_token.Length);
reference.PublicKeyToken = pk_token;
module.AssemblyReferences.Add (reference);
return reference;
}
public AssemblyResolutionException (AssemblyNameReference reference)
: base (string.Format ("Failed to resolve assembly: '{0}'", reference))
{
this.reference = reference;
}
bool TryGetAssemblyNameReference (AssemblyNameReference name_reference, out AssemblyNameReference assembly_reference)
{
var references = module.AssemblyReferences;
for (int i = 0; i < references.Count; i++) {
var reference = references [i];
if (name_reference.FullName != reference.FullName) // TODO compare field by field
continue;
assembly_reference = reference;
return true;
}
assembly_reference = null;
return false;
}
public virtual AssemblyDefinition Resolve (AssemblyNameReference name)
{
return Resolve (name, new ReaderParameters ());
}