added usage of the Handle System to begin experimenting

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40257

core/systems/HandleSys.cpp

@@ -302,10 +302,10 @@ Handle_t HandleSystem::CreateHandle(HandleType_t type, void *object, IdentityTok
 
 Handle_t HandleSystem::CreateScriptHandle(HandleType_t type, 
 										  void *object, 
-										  sp_context_t *ctx, 
+										  IPluginContext *pContext, 
 										  IdentityToken_t *ident)
 {
-	IPlugin *pPlugin = g_PluginSys.FindPluginByContext(ctx);
+	IPlugin *pPlugin = g_PluginSys.FindPluginByContext(pContext->GetContext());
 
 	return CreateHandle(type, object, pPlugin->GetIdentity(), ident);
 }

core/systems/HandleSys.h

@@ -90,7 +90,7 @@ public: //IHandleSystem
 							void *object, 
 							IdentityToken_t *source, 
 							IdentityToken_t *ident);
-	Handle_t CreateScriptHandle(HandleType_t type, void *object, sp_context_t *ctx, IdentityToken_t *ident);
+	Handle_t CreateScriptHandle(HandleType_t type, void *object, IPluginContext *pContext, IdentityToken_t *ident);
 	HandleError FreeHandle(Handle_t handle, IdentityToken_t *ident);
 	HandleError CloneHandle(Handle_t handle, Handle_t *newhandle, IdentityToken_t *source, IdentityToken_t *ident);
 	HandleError ReadHandle(Handle_t handle, HandleType_t type, IdentityToken_t *ident, void **object);

core/systems/LibrarySys.cpp

@@ -93,6 +93,11 @@ void CDirectory::NextEntry()
 #endif
 }
 
+bool CDirectory::IsEntryValid()
+{
+	return IsValid();
+}
+
 bool CDirectory::IsEntryDirectory()
 {
 #if defined PLATFORM_WINDOWS

core/systems/LibrarySys.h

@@ -23,6 +23,7 @@ public:
 	virtual const char *GetEntryName();
 	virtual bool IsEntryDirectory();
 	virtual bool IsEntryFile();
+	virtual bool IsEntryValid();
 public:
 	bool IsValid();
 private: