Method setProperty

plugins-src/TWLuaPlugin/LuaScript.cpp:266–297

static*/

/*static*/
int LuaScript::setProperty(lua_State * L)
{
	QString propName;

	// We should have the lua table (=object) we're called from, the property
	// name we should set, and the new value; if not, something is wrong
	if (lua_gettop(L) != 3) {
		luaL_error(L, qPrintable(tr("__set: invalid call -- expected exactly 3 arguments, got %f")), lua_gettop(L));
		return 0;
	}

	// Get the QObject* we operate on
	QObject * obj = static_cast<QObject*>(lua_touserdata(L, lua_upvalueindex(1)));

	// Get the parameters
	propName = QString::fromUtf8(lua_tostring(L, 2));

	switch (doSetProperty(obj, propName, LuaScript::getLuaStackValue(L, 3))) {
		case Property_DoesNotExist:
			luaL_error(L, qPrintable(tr("__set: object doesn't have property %s")), qPrintable(propName));
			return 0;
		case Property_NotWritable:
			luaL_error(L, qPrintable(tr("__set: property %s is not writable")), qPrintable(propName));
			return 0;
		case Property_OK:
			return 0;
		default:
			break;
	}
	// we should never reach this point
	return 0;
}

/*static*/
QVariant LuaScript::getLuaStackValue(lua_State * L, int idx, const bool throwError /* = true */)