add gobject interface for lua-plugin.

5 files changed, 115 insertions, 27 deletions

diff --git a/lua/Makefile.am b/lua/Makefile.am
index bcf3803..4700bf2 100644
--- a/lua/Makefile.am
+++ b/lua/Makefile.am
@@ -24,6 +24,7 @@ noinst_LTLIBRARIES = \
 
 libpylua_la_SOURCES = \
 	lua-plugin.h \
+	lua-plugin.c \
 	lua-plugin-init.c \
 	$(NULL)
 
diff --git a/lua/lua-plugin-init.c b/lua/lua-plugin-init.c
index 641e869..403be44 100644
--- a/lua/lua-plugin-init.c
+++ b/lua/lua-plugin-init.c
@@ -29,35 +29,38 @@ void lua_plugin_openlibs (lua_State *L) {
   }
 }
 
-static GArray * g_lua_commands = NULL;
+int lua_plugin_init(IBusEnginePluginPrivate * plugin){
+  g_assert(NULL == plugin->L);
+  /* initialize Lua */
+  plugin->L = lua_open();
 
-int lua_plugin_init(lua_State *L){
   /* enable libs in sandbox */
-  lua_plugin_openlibs(L);
+  lua_plugin_openlibs(plugin->L);
 
-  if ( NULL == g_lua_commands )
-    g_lua_commands = g_array_new(TRUE, TRUE, sizeof(lua_command_t));
+  if ( NULL == plugin->lua_commands )
+    plugin->lua_commands = g_array_new(TRUE, TRUE, sizeof(lua_command_t));
 
   return 0;
 }
 
-int lua_plugin_fini(lua_State *L){
+int lua_plugin_fini(IBusEnginePluginPrivate * plugin){
   size_t i;
   lua_command_t * command;
-  lua_close(L);
 
-  if ( g_lua_commands ){
-    for ( i = 0; i < g_lua_commands->len; ++i){
-      command = &g_array_index(g_lua_commands, lua_command_t, i);
+  if ( plugin->lua_commands ){
+    for ( i = 0; i < plugin->lua_commands->len; ++i){
+      command = &g_array_index(plugin->lua_commands, lua_command_t, i);
       g_free((gpointer)command->command_name);
       g_free((gpointer)command->lua_function_name);
       g_free((gpointer)command->description);
       g_free((gpointer)command->leading);
       g_free((gpointer)command->help);
     }
-    g_array_free(g_lua_commands, TRUE);
-    g_lua_commands = NULL;
+    g_array_free(plugin->lua_commands, TRUE);
+    plugin->lua_commands = NULL;
   }
+
+  lua_close(plugin->L);
   return 0;
 }
 
diff --git a/lua/lua-plugin.c b/lua/lua-plugin.c
new file mode 100644
index 0000000..db8aa43
--- /dev/null
+++ b/lua/lua-plugin.c
@@ -0,0 +1,50 @@
+#include <lua.h>
+
+#include "lua-plugin.h"
+
+#define IBUS_ENGINE_PLUGIN_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), IBUS_TYPE_ENGINE_PLUGIN, IBusEnginePluginPrivate))
+
+G_DEFINE_TYPE (IBusEnginePlugin, ibus_engine_plugin, G_TYPE_OBJECT);
+
+static void
+ibus_engine_plugin_dispose (GObject *gobject)
+{
+  IBusEnginePlugin *self = IBUS_ENGINE_PLUGIN (gobject);
+  
+  /* do some cleaning here. */
+
+  /* Chain up to the parent class */
+  G_OBJECT_CLASS (ibus_engine_plugin_parent_class)->dispose(gobject);
+}
+
+static void
+ibus_engine_plugin_finalize (GObject *gobject)
+{
+  IBusEnginePlugin *self = IBUS_ENGINE_PLUGIN (gobject);
+
+  /* Chain up to the parent class */
+  G_OBJECT_CLASS (ibus_engine_plugin_parent_class)->dispose(gobject);
+}
+
+static void
+ibus_engine_plugin_class_init (IBusEnginePluginClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  gobject_class->dispose = ibus_engine_plugin_dispose;
+  gobject_class->finalize = ibus_engine_plugin_finalize;
+
+  g_type_class_add_private (klass, sizeof (IBusEnginePluginPrivate));
+}
+
+static void
+ibus_engine_plugin_init (IBusEnginePlugin *self)
+{
+  IBusEnginePluginPrivate *priv;
+
+  self->priv = priv = IBUS_ENGINE_PLUGIN_GET_PRIVATE (self);
+
+  priv->L = NULL;
+  priv->lua_commands = NULL;
+}
+
diff --git a/lua/lua-plugin.h b/lua/lua-plugin.h
index 3aa73d6..1964101 100644
--- a/lua/lua-plugin.h
+++ b/lua/lua-plugin.h
@@ -1,8 +1,7 @@
 #ifndef LUA_PLUGIN_H
 #define LUA_PLUGIN_H
 
-int lua_plugin_init(lua_State * L);
-int lua_plugin_fini(lua_State * L);
+#include <glib-object.h>
 
 #define LUA_IMELIBNAME   "ime"
 LUALIB_API int (luaopen_ime) (lua_State * L);
@@ -15,29 +14,62 @@ typedef struct{
   const char * help; /* optional. */
 } lua_command_t;
 
-typedef struct{
-  lua_State * L;
-  GArray * lua_commands; /* Array of lua_command_t. */
-} lua_plugin_context_t;
+/*
+ * Type macros.
+ */
+
+#define IBUS_TYPE_ENGINE_PLUGIN                 (ibus_engine_plugin_get_type ())
+#define IBUS_ENGINE_PLUGIN(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), IBUS_TYPE_ENGINE_PLUGIN, IBusEnginePlugin))
+#define IBUS_IS_ENGINE_PLUGIN(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), IBUS_TYPE_ENGINE_PLUGIN))
+#define IBUS_ENGINE_PLUGIN_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), IBUS_TYPE_ENGINE_PLUGIN, IBusEnginePluginClass))
+#define IBUS_IS_ENGINE_PLUGIN_CLASS(klass)      (G_TYPE_CHECK_CLASS ((klass), IBUS_TYPE_ENGINE_PLUGIN))
+#define IBUS_ENGINE_PLUGIN_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), IBUS_TYPE_ENGINE_PLUGIN, IBusEnginePluginClass))
+
+typedef struct _IBusEnginePlugin IBusEnginePlugin;
+typedef struct _IBusEnginePluginClass IBusEnginePluginClass;
+typedef struct _IBusEnginePluginPrivate IBusEnginePluginPrivate;
+
+struct _IBusEnginePlugin
+{
+  GObject parent_instance;
+
+  /*< private >*/
+  IBusEnginePluginPrivate *priv;  
+};
+
+struct _IBusEnginePluginClass
+{
+  GObjectClass parent_class;
+};
+
+GType ibus_engine_plugin_get_type(void);
 
 /**
  * retrieve all available lua plugin commands.
  * return array of command informations of type lua_command_t.
  */
-GArray * lua_plugin_ime_get_available_commands(lua_State * L);
+GArray * lua_plugin_ime_get_available_commands(IBusEnginePlugin * plugin);
 
 /**
  * retval int: only support string or string array.
  */
-int lua_plugin_ime_call(lua_State * L, const lua_command_t * command, const char * argument /*optional, maybe NULL.*/);
+int lua_plugin_ime_call(IBusEnginePlugin * plugin, const lua_command_t * command, const char * argument /*optional, maybe NULL.*/);
 
 /**
  * retrieve the retval string value. (value has been copied.)
  */
-const char * lua_plugin_ime_get_retval(lua_State * L);
+const char * lua_plugin_ime_get_retval(IBusEnginePlugin * plugin);
 /**
  * retrieve the array of string values. (string values have been copied.)
  */
-GArray * lua_plugin_ime_get_retvals(lua_State * L);
+GArray * lua_plugin_ime_get_retvals(IBusEnginePlugin * plugin);
 
+/*< private >*/
+int lua_plugin_init(IBusEnginePluginPrivate * private);
+int lua_plugin_fini(IBusEnginePluginPrivate * private);
+
+struct _IBusEnginePluginPrivate{
+  lua_State * L;
+  GArray * lua_commands; /* Array of lua_command_t. */
+};
 #endif
diff --git a/lua/test-lua-plugin.c b/lua/test-lua-plugin.c
index 34bbef5..44bce4a 100644
--- a/lua/test-lua-plugin.c
+++ b/lua/test-lua-plugin.c
@@ -36,13 +36,15 @@ static int run_test(lua_State *L, const char * filename){
 int main(int argc, char * argv[]){
   printf("starting test...\n");
 
-  /* initialize Lua */
-  L = lua_open();
+  IBusEnginePluginPrivate priv;
 
-  lua_plugin_init(L);
+  priv.L = NULL;
+  priv.lua_commands = NULL;
 
-  run_test(L, "test.lua");
+  lua_plugin_init(&priv);
+
+  run_test(priv.L, "test.lua");
   
-  lua_plugin_fini(L);
+  lua_plugin_fini(&priv);
   return 0;
 }