/*
* Get an actionscript class with the given namespace and class name
* in the format: package::ClassName
*/
AS3_Val get_class(const char * as_namespaceclass_path)
{
/* TODO: Merge with get_class2()? */
AS3_Val as_namespace;
AS3_Val as_class;
AS3_Val ret;
char * class_ptr = NULL;
/* TODO might want to store classes in a table to save loading again */
class_ptr = strstr(as_namespaceclass_path, "::");
if (class_ptr > as_namespaceclass_path)
{
as_namespace = AS3_StringN(
as_namespaceclass_path, (class_ptr - as_namespaceclass_path) / sizeof(char)
);
as_class = AS3_String(class_ptr + 2);
}
else
{
as_namespace = AS3_Undefined();
as_class = AS3_String(as_namespaceclass_path);
}
ret = AS3_NSGet(as_namespace, as_class);
/* TODO check for failure getting class */
AS3_Release(as_namespace);
AS3_Release(as_class);
return ret;
}
/*
* Take the Lua stack item at index i and convert it into an
* ActionScript value.
*/
AS3_Val get_as3_value_from_lua_stack_type(lua_State * L, int i, int type)
{
/* WARNING: Panic alert! Use L*_FN checkers here! */
LCALL(L, stack);
AS3_Val value;
switch (type)
{
case LUA_TSTRING: /* strings */
{
size_t length = 0;
const char * str = lua_tolstring(L, i, &length);
if (str == NULL) /* NOTE: This is unreachable. Assert instead */
{
length = 6;
str = "(null)";
}
/* NOTE: Alchemy .5a truncates embedded zeroes in string
* regardless to the passed length
*/
value = AS3_StringN(str, length);
}
break;
case LUA_TBOOLEAN: /* booleans */
value = lua_toboolean(L, i) ? AS3_True() : AS3_False();
break;
case LUA_TNUMBER: /* numbers */
value = AS3_Number(lua_tonumber(L, i));
break;
case LUA_TNONE: /* fall through */
case LUA_TNIL: /* nil */
value = AS3_Null();
break;
case LUA_TUSERDATA: /* userdata */
{
void * userdata = lua_touserdata(L, i);
lua_getfield(L, LUA_REGISTRYINDEX, AS3LUA_METATABLE);
if (userdata == NULL || !lua_getmetatable(L, i))
{
lua_pop(L, 1); /* Pop AS3LUA_METATABLE */
value = as3_value_from_foreign_userdata(L, i);
}
else if (!lua_rawequal(L, -2, -1))
{
lua_pop(L, 2); /* Pop AS3LUA_METATABLE and userdata metatable */
value = as3_value_from_foreign_userdata(L, i);
}
else
{
lua_pop(L, 2); /* Pop AS3LUA_METATABLE and userdata metatable */
AS3LuaUserData * userdata = (AS3LuaUserData *)lua_touserdata(L, i);
value = userdata->value;
/*
* We just created one more reference to the AS3 value,
* as it still lives inside Lua.
* (And will probably be collected by GC.)
*/
AS3_Acquire(value);
}
}
break;
case LUA_TFUNCTION: /* function */
value = setup_callback(L, i);
break;
case LUA_TLIGHTUSERDATA: /* TODO: blackbox this type */
case LUA_TTABLE: /* TODO: deal with this type */
case LUA_TTHREAD: /* TODO: blackbox this type */
value = AS3_String(lua_typename(L, type));
break;
default: /* unreachable */
fatal_error("unknown Lua type");
break;
}
#ifdef DO_SPAM
SPAM(("get_as3_value_from_lua_stack(): end"));
AS3_Trace(
AS3_Call(
getQualifiedClassName_method, NULL, AS3_Array("AS3ValType", value)
)
);
#endif /* DO_SPAM */
LCHECK_FN(L, stack, 0, fatal_error);
return value;
}
