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Only look for types in assemblies that reference gstreamer-sharp

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Maarten Bosmans 2009-12-24 17:59:18 +01:00 committed by Sebastian Dröge
parent 8b1869533d
commit 0ab40256cd
1 changed files with 37 additions and 25 deletions
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62
gstreamer-sharp/Application.cs
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@ -14,6 +14,7 @@ using System;
using System.Reflection;
using System.IO;
using System.Runtime.InteropServices;
using System.Collections.Generic;
namespace Gst {
@ -57,36 +58,47 @@ namespace Gst {
gst_deinit();
}
private static System.Type GstResolveType (Gst.GLib.GType gtype, string gtype_name) {
Assembly[] assemblies = (Assembly[]) AppDomain.CurrentDomain.GetAssemblies ().Clone ();
private static Dictionary<string,bool> AssemblyReferencesGstreamerSharp = new Dictionary<string,bool> ();
foreach (Assembly asm in assemblies) {
Type[] ts = asm.GetTypes ();
foreach (Type t in ts) {
if (t.IsDefined (typeof (Gst.GTypeNameAttribute), false)) {
GTypeNameAttribute gattr = (GTypeNameAttribute) Attribute.GetCustomAttribute (t, typeof (GTypeNameAttribute), false);
if (gtype_name.Equals (gattr.TypeName)) {
return t;
}
}
private static bool CheckAssemblyReferences (Assembly asm)
{
bool result = false;
AssemblyName asm_name = asm.GetName ();
// If already visited, return immediately
if (AssemblyReferencesGstreamerSharp.ContainsKey (asm_name.FullName))
return AssemblyReferencesGstreamerSharp[asm_name.FullName];
AssemblyReferencesGstreamerSharp.Add (asm_name.FullName, false);
// Result is true for gstreamer-sharp or if a referenced assembly results in true
if (asm_name.Name == "gstreamer-sharp")
result = true;
foreach (AssemblyName ref_name in asm.GetReferencedAssemblies ()) {
try {
result = result | CheckAssemblyReferences (Assembly.Load (ref_name));
} catch {
/* Failure to load a referenced assembly is not an error */
}
}
foreach (Assembly asm in assemblies) {
foreach (AssemblyName ref_name in asm.GetReferencedAssemblies ()) {
try {
Assembly ref_asm;
if (asm.Location != String.Empty)
{
string asm_file = Path.Combine(Path.GetDirectoryName(asm.Location), ref_name.Name + ".dll");
if (File.Exists(asm_file))
ref_asm = Assembly.LoadFrom(asm_file);
else
ref_asm = Assembly.Load(ref_name);
}
else
ref_asm = Assembly.Load(ref_name);
if (result)
AssemblyReferencesGstreamerSharp[asm_name.FullName] = true;
return result;
}
private static System.Type GstResolveType (Gst.GLib.GType gtype, string gtype_name) {
Assembly[] assemblies = (Assembly[]) AppDomain.CurrentDomain.GetAssemblies ().Clone ();
// Make sure all loaded assemblies are in the Dictionary
foreach (Assembly asm in assemblies) {
CheckAssemblyReferences (asm);
}
foreach (string key in AssemblyReferencesGstreamerSharp.Keys) {
if (AssemblyReferencesGstreamerSharp[key]) {
try {
Assembly asm = Assembly.Load (key);
Type[] ts = asm.GetTypes ();
foreach (Type t in ts) {
if (t.IsDefined (typeof (Gst.GTypeNameAttribute), false)) {