Moved handle natives from core to logic (bug 4406 part 9, r=ds).

--HG-- rename : core/smn_handles.cpp => core/logic/smn_handles.cpp
2010-05-14 21:06:06 -07:00
parent e9e4d566a5
commit c188491289
7 changed files with 22 additions and 12 deletions
@@ -0,0 +1,119 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod
+ * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
+ * =============================================================================
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation.  You must obey the GNU General Public License in
+ * all respects for all other code used.  Additionally, AlliedModders LLC grants
+ * this exception to all derivative works.  AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#include "common_logic.h"
+#include <IHandleSys.h>
+#include <IPluginSys.h>
+
+using namespace SourceMod;
+
+static cell_t sm_IsValidHandle(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+
+	HandleError err = handlesys->ReadHandle(hndl, 0, NULL, NULL);
+
+	if (err != HandleError_Access
+		&& err != HandleError_None)
+	{
+		return 0;
+	}
+
+	return 1;
+}
+
+static cell_t sm_CloseHandle(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleSecurity sec;
+
+	sec.pIdentity = NULL;
+	sec.pOwner = pContext->GetIdentity();
+
+	HandleError err = handlesys->FreeHandle(hndl, &sec);
+  
+	if (err == HandleError_None)
+	{
+		return 1;
+	} else if (err == HandleError_Access) {
+		return 0;
+	} else {
+		return pContext->ThrowNativeError("Handle %x is invalid (error %d)", hndl, err);
+	}
+}
+
+static cell_t sm_CloneHandle(IPluginContext *pContext, const cell_t *params)
+{
+	Handle_t new_hndl;
+	Handle_t hndl = static_cast<Handle_t>(params[1]);
+	HandleError err;
+	IdentityToken_t *pNewOwner;
+	
+	if (params[2] == 0)
+	{
+		pNewOwner = pContext->GetIdentity();
+	} else {
+		Handle_t hPlugin = static_cast<Handle_t>(params[2]);
+		IPlugin *pPlugin = pluginsys->PluginFromHandle(hPlugin, &err);
+		if (!pPlugin)
+		{
+			return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", hndl, err);
+		}
+		pNewOwner = pPlugin->GetIdentity();
+	}
+
+	err = handlesys->CloneHandle(hndl, &new_hndl, pNewOwner, NULL);
+
+	if (err == HandleError_Access)
+	{
+		return 0;
+	} else if (err == HandleError_None) {
+		return new_hndl;
+	} else {
+		return pContext->ThrowNativeError("Handle %x cannot be cloned because it is invalid (error %d)", hndl, err);
+	}
+}
+
+static cell_t sm_GetMyHandle(IPluginContext *pContext, const cell_t *params)
+{
+	IPlugin *pPlugin = pluginsys->FindPluginByContext(pContext->GetContext());
+
+	return pPlugin->GetMyHandle();
+}
+
+REGISTER_NATIVES(handles)
+{
+	{"IsValidHandle",			sm_IsValidHandle},
+	{"CloseHandle",				sm_CloseHandle},
+	{"CloneHandle",				sm_CloneHandle},
+	{"GetMyHandle",				sm_GetMyHandle},
+	{NULL,						NULL},
+};