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wplua: expose functions to convert enums to strings for lua and vice versa

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This commit is contained in:
George Kiagiadakis 2021-06-30 19:31:59 +03:00
parent ee190411f4
commit 7fedb5e9e1
2 changed files with 32 additions and 16 deletions
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44
lib/wplua/value.c
View file

@ -165,6 +165,31 @@ wplua_gvariant_to_lua (lua_State *L, GVariant *variant)
}
}
gint
wplua_lua_to_enum (lua_State *L, int idx, GType enum_type)
{
if (lua_type (L, idx) == LUA_TSTRING) {
g_autoptr (GEnumClass) klass = g_type_class_ref (enum_type);
GEnumValue *value = g_enum_get_value_by_nick (klass, lua_tostring (L, idx));
if (value)
return value->value;
else
luaL_error (L, "Invalid enum value '%s'", lua_tostring (L, idx));
}
return lua_tointeger (L, idx);
}
void
wplua_enum_to_lua (lua_State *L, gint enum_val, GType enum_type)
{
g_autoptr (GEnumClass) klass = g_type_class_ref (enum_type);
GEnumValue *value = g_enum_get_value (klass, enum_val);
if (value)
lua_pushstring (L, value->value_nick);
else
lua_pushinteger (L, enum_val);
}
void
wplua_lua_to_gvalue (lua_State *L, int idx, GValue *v)
{
@ -225,14 +250,7 @@ wplua_lua_to_gvalue (lua_State *L, int idx, GValue *v)
g_value_set_object (v, wplua_toobject (L, idx));
break;
case G_TYPE_ENUM:
if (lua_type (L, idx) == LUA_TSTRING) {
g_autoptr (GEnumClass) klass = g_type_class_ref (G_VALUE_TYPE (v));
GEnumValue *value = g_enum_get_value_by_nick (klass, lua_tostring (L, idx));
if (value)
g_value_set_enum (v, value->value);
} else {
g_value_set_enum (v, lua_tointeger (L, idx));
}
g_value_set_enum (v, wplua_lua_to_enum (L, idx, G_VALUE_TYPE (v)));
break;
case G_TYPE_FLAGS:
g_value_set_flags (v, lua_tointeger (L, idx));
@ -298,15 +316,9 @@ wplua_gvalue_to_lua (lua_State *L, const GValue *v)
case G_TYPE_INTERFACE:
wplua_pushobject (L, g_value_dup_object (v));
break;
case G_TYPE_ENUM: {
g_autoptr (GEnumClass) klass = g_type_class_ref (G_VALUE_TYPE (v));
GEnumValue *value = g_enum_get_value (klass, g_value_get_enum (v));
if (value)
lua_pushstring (L, value->value_nick);
else
lua_pushinteger (L, g_value_get_enum (v));
case G_TYPE_ENUM:
wplua_enum_to_lua (L, g_value_get_enum (v), G_VALUE_TYPE (v));
break;
}
case G_TYPE_FLAGS:
/* FIXME: push as userdata with methods */
lua_pushinteger (L, g_value_get_flags (v));

4
lib/wplua/wplua.h
View file

@ -73,6 +73,10 @@ gboolean wplua_isboxed (lua_State *L, int idx, GType type);
/* transfer floating */
GClosure * wplua_checkclosure (lua_State *L, int idx);
GClosure * wplua_function_to_closure (lua_State *L, int idx);
void wplua_enum_to_lua (lua_State *L, gint enum_val, GType enum_type);
gint wplua_lua_to_enum (lua_State *L, int idx, GType enum_type);
void wplua_lua_to_gvalue (lua_State *L, int idx, GValue *v);
int wplua_gvalue_to_lua (lua_State *L, const GValue *v);