Implement Lua objects in the C code directly. Fix most type checks. Move every thing...

[vlc] / modules / misc / lua / libs / configuration.c

diff --git a/modules/misc/lua/libs/configuration.c b/modules/misc/lua/libs/configuration.c
new file mode 100644 (file)
index 0000000..1ef90ac
--- /dev/null
+++ b/modules/misc/lua/libs/configuration.c
@@ -0,0 +1,126 @@
+/*****************************************************************************
+ * configuration.c: Generic lua<->vlc config interface
+ *****************************************************************************
+ * Copyright (C) 2007-2008 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea at videolan tod org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#ifndef  _GNU_SOURCE
+#   define  _GNU_SOURCE
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+
+#include <lua.h>        /* Low level lua C API */
+#include <lauxlib.h>    /* Higher level C API */
+
+#include "../vlc.h"
+#include "../libs.h"
+
+/*****************************************************************************
+ * Config handling
+ *****************************************************************************/
+static int vlclua_config_get( lua_State *L )
+{
+    vlc_object_t * p_this = vlclua_get_this( L );
+    const char *psz_name;
+    psz_name = luaL_checkstring( L, 1 );
+    switch( config_GetType( p_this, psz_name ) )
+    {
+        case VLC_VAR_MODULE:
+        case VLC_VAR_STRING:
+        case VLC_VAR_FILE:
+        case VLC_VAR_DIRECTORY:
+            lua_pushstring( L, config_GetPsz( p_this, psz_name ) );
+            break;
+
+        case VLC_VAR_INTEGER:
+            lua_pushinteger( L, config_GetInt( p_this, psz_name ) );
+            break;
+
+        case VLC_VAR_BOOL:
+            lua_pushboolean( L, config_GetInt( p_this, psz_name ) );
+            break;
+
+        case VLC_VAR_FLOAT:
+            lua_pushnumber( L, config_GetFloat( p_this, psz_name ) );
+            break;
+
+        default:
+            return vlclua_error( L );
+
+    }
+    return 1;
+}
+
+static int vlclua_config_set( lua_State *L )
+{
+    vlc_object_t *p_this = vlclua_get_this( L );
+    const char *psz_name;
+    psz_name = luaL_checkstring( L, 1 );
+    switch( config_GetType( p_this, psz_name ) )
+    {
+        case VLC_VAR_MODULE:
+        case VLC_VAR_STRING:
+        case VLC_VAR_FILE:
+        case VLC_VAR_DIRECTORY:
+            config_PutPsz( p_this, psz_name, luaL_checkstring( L, 2 ) );
+            break;
+
+        case VLC_VAR_INTEGER:
+            config_PutInt( p_this, psz_name, luaL_checkint( L, 2 ) );
+            break;
+
+        case VLC_VAR_BOOL:
+            config_PutInt( p_this, psz_name, luaL_checkboolean( L, 2 ) );
+            break;
+
+        case VLC_VAR_FLOAT:
+            config_PutFloat( p_this, psz_name,
+                             luaL_checknumber( L, 2 ) );
+            break;
+
+        default:
+            return vlclua_error( L );
+    }
+    return 0;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static const luaL_Reg vlclua_config_reg[] = {
+    { "get", vlclua_config_get },
+    { "set", vlclua_config_set },
+    { NULL, NULL }
+};
+
+void luaopen_config( lua_State *L )
+{
+    lua_newtable( L );
+    luaL_register( L, NULL, vlclua_config_reg );
+    lua_setfield( L, -2, "config" );
+}