m-lua-scripting: add WpConf Lua API

modules/module-lua-scripting/api/api.c

@@ -1473,6 +1473,173 @@ impl_module_new (lua_State *L)
   }
 }
 
+/* WpConf */
+
+static int
+conf_get_section (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  g_autoptr (WpSpaJson) fb = NULL;
+  g_autoptr (WpSpaJson) s = NULL;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  if (lua_isuserdata (L, 2)) {
+    WpSpaJson *v = wplua_checkboxed (L, 2, WP_TYPE_SPA_JSON);
+    if (v)
+      fb = wp_spa_json_ref (v);
+  }
+
+  s = wp_conf_get_section (conf, section, g_steal_pointer (&fb));
+  if (s)
+    wplua_pushboxed (L, WP_TYPE_SPA_JSON, g_steal_pointer (&s));
+  else
+    lua_pushnil (L);
+  return 1;
+}
+
+static int
+conf_get_value (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  const char *key;
+  g_autoptr (WpSpaJson) fb = NULL;
+  g_autoptr (WpSpaJson) v = NULL;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  key = luaL_checkstring (L, 2);
+  if (lua_isuserdata (L, 3)) {
+    WpSpaJson *v = wplua_checkboxed (L, 3, WP_TYPE_SPA_JSON);
+    if (v)
+      fb = wp_spa_json_ref (v);
+  }
+
+  v = wp_conf_get_value (conf, section, key, g_steal_pointer (&fb));
+  if (v)
+    wplua_pushboxed (L, WP_TYPE_SPA_JSON, g_steal_pointer (&v));
+  else
+    lua_pushnil (L);
+  return 1;
+}
+
+static int
+conf_get_value_boolean (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  const char *key;
+  gboolean fb;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  key = luaL_checkstring (L, 2);
+  fb = lua_toboolean (L, 3) ? TRUE : FALSE;
+
+  lua_pushboolean (L, wp_conf_get_value_boolean (conf, section, key, fb));
+  return 1;
+}
+
+static int
+conf_get_value_int (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  const char *key;
+  gint fb;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  key = luaL_checkstring (L, 2);
+  fb = luaL_checkinteger (L, 3);
+
+  lua_pushinteger (L, wp_conf_get_value_int (conf, section, key, fb));
+  return 1;
+}
+
+static int
+conf_get_value_float (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  const char *key;
+  float fb;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  key = luaL_checkstring (L, 2);
+  fb = lua_tonumber (L, 3);
+
+  lua_pushnumber (L, wp_conf_get_value_float (conf, section, key, fb));
+  return 1;
+}
+
+static int
+conf_get_value_string (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  const char *section;
+  const char *key;
+  const char *fb;
+  g_autofree gchar *str = NULL;
+
+  g_return_val_if_fail (conf, 0);
+
+  section = luaL_checkstring (L, 1);
+  key = luaL_checkstring (L, 2);
+  fb = luaL_checkstring (L, 3);
+
+  str = wp_conf_get_value_string (conf, section, key, fb);
+  lua_pushstring (L, str);
+  return 1;
+}
+
+static int
+conf_apply_rules (lua_State *L)
+{
+  g_autoptr (WpConf) conf = wp_conf_get_instance (get_wp_core (L));
+  g_autoptr (WpProperties) ap = NULL;
+  const char *section;
+  g_autoptr (WpProperties) mp = NULL;
+  g_autoptr (WpSpaJson) fb = NULL;
+
+  g_return_val_if_fail (conf, 0);
+
+  ap = wp_properties_new_empty ();
+  section = luaL_checkstring (L, 1);
+  mp = wplua_table_to_properties (L, 2);
+  if (lua_isuserdata (L, 3)) {
+    WpSpaJson *v = wplua_checkboxed (L, 3, WP_TYPE_SPA_JSON);
+    if (v)
+      fb = wp_spa_json_ref (v);
+  }
+
+  lua_pushboolean (L, wp_conf_apply_rules (conf, section, mp, ap,
+      g_steal_pointer (&fb)));
+  wplua_properties_to_table (L, ap);
+  return 2;
+}
+
+static const luaL_Reg conf_methods[] = {
+  { "get_section", conf_get_section },
+  { "get_value", conf_get_value },
+  { "get_value_boolean", conf_get_value_boolean },
+  { "get_value_int", conf_get_value_int },
+  { "get_value_float", conf_get_value_float },
+  { "get_value_string", conf_get_value_string },
+  { "apply_rules", conf_apply_rules },
+  { NULL, NULL }
+};
+
+/* WpSettings */
+
 static int
 settings_get (lua_State *L)
 {
@@ -2304,6 +2471,9 @@ wp_lua_scripting_api_init (lua_State *L)
   luaL_newlib (L, plugin_funcs);
   lua_setglobal (L, "WpPlugin");
 
+  luaL_newlib (L, conf_methods);
+  lua_setglobal (L, "WpConf");
+
   luaL_newlib (L, settings_methods);
   lua_setglobal (L, "WpSettings");
 

modules/module-lua-scripting/api/api.lua

@@ -218,6 +218,7 @@ SANDBOX_EXPORT = {
   LocalModule = WpImplModule_new,
   ImplMetadata = WpImplMetadata_new,
   Settings = WpSettings,
+  Conf = WpConf,
   SimpleEventHook = WpSimpleEventHook_new,
   AsyncEventHook = WpAsyncEventHook_new,
 }