Method ConvertKey

source/script_object.cpp:2364–2398

}

void Map::ConvertKey(ExprTokenType &key_token, LPTSTR buf, SymbolType &key_type, Key &key)
// Converts key_token to the appropriate key_type and key.
// The exact type of the key is not preserved, since that often produces confusing behaviour;
// for example, guis[WinExist()] := x ... x := guis[A_Gui] would fail because A_Gui returns a
// string.  Strings are converted to integers only where conversion back to string produces
// the same string, so for instance, "01" and " 1 " and "+0x8000" are left as strings.
{
	SymbolType inner_type = key_token.symbol;
	if (inner_type == SYM_VAR)
	{
		switch (key_token.var->IsPureNumericOrObject())
		{
		case VAR_ATTRIB_IS_INT64:	inner_type = SYM_INTEGER; break;
		case VAR_ATTRIB_IS_OBJECT:	inner_type = SYM_OBJECT; break;
		case VAR_ATTRIB_IS_DOUBLE:	inner_type = SYM_FLOAT; break;
		default:					inner_type = SYM_STRING; break;
		}
	}
	if (inner_type == SYM_OBJECT)
	{
		key_type = SYM_OBJECT;
		// Set i to support the way FindItem() is used.  Otherwise on 32-bit builds the
		// upper 32 bits would be potentially uninitialized, and searches could fail.
		key.i = (IntKeyType)(INT_PTR)TokenToObject(key_token);
		return;
	}
	if (inner_type == SYM_INTEGER)
	{
		key.i = TokenToInt64(key_token);
		key_type = SYM_INTEGER;
		return;
	}
	key_type = SYM_STRING;
	key.s = TokenToString(key_token, buf);
}

Map::Pair *Map::FindItem(ExprTokenType &key_token, LPTSTR aBuf, SymbolType &key_type, Key &key, index_t &insert_pos)
// Searches for an item with the given key, where the key is a token passed from script.