diff -r 000000000000 -r dd21522fd290 webengine/wmlengine/src/script/include/scr_val.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/webengine/wmlengine/src/script/include/scr_val.h Mon Mar 30 12:54:55 2009 +0300 @@ -0,0 +1,98 @@ +/* +* Copyright (c) 1999 - 2001 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* +*/ + + + /* + $Workfile: scr_val.h $ + + Purpose: + + representing typed values in 4 bytes + */ + +#ifndef SCR_VAL_H +#define SCR_VAL_H + +#include "scr_defs.h" +#include "scr_str.h" + +typedef enum +{ + VAL_TYPE_INT, + VAL_TYPE_FLOAT, + VAL_TYPE_STR, + VAL_TYPE_BOOL, + VAL_TYPE_INVALID, + VAL_TYPE_UNINITIALIZED +} SCR_VAL_TYPE; + +/* Note: use "volatile" keyword to suppress compiler optimizer bug */ +/* which changes store/load operation into a data-type cast */ +typedef struct +{ + volatile union { + NW_Int32 i; + NW_Float32 f; + str_t s; + NW_Bool b; + }value; + + SCR_VAL_TYPE type; +} val_t; + +NW_Ucs2* GetUcs2Val(void); +NW_Ucs2* GetUcs2Val_notrim(void); +NW_Bool GetIntVal(NW_Int32 *value); +NW_Bool GetBoolVal(NW_Bool *value); +NW_Opaque_t* GetOpaqueVal(void); + +val_t new_int_val(NW_Int32 i); +val_t new_float_val(NW_Float32 f); +val_t new_bool_val(NW_Bool b); +val_t new_empty_str_val(void); +val_t new_str_val(str_t s); +val_t new_str_val_and_free(str_t *sptr); +val_t new_invalid_val(void); +val_t uninitialize_val(void); +val_t dup_val(val_t); + +NW_Bool val2float(val_t v, NW_Float32 *f); +NW_Bool val2int(val_t v, NW_Int32 *res); +NW_Bool val2bool(val_t v, NW_Bool *res); +NW_Bool val2str(val_t v, str_t *str); +NW_Bool val2str_and_free(val_t *vptr, str_t *str); + +NW_Ucs2 *val2ucs2(val_t v); +NW_Ucs2 *val2ucs2_trim(val_t v); + +SCR_VAL_TYPE ScriptVarType(val_t v); + +void free_val(val_t v); + + +#define IS_INT(v) ((v).type == VAL_TYPE_INT) + +#define IS_FLOAT(v) ((v).type == VAL_TYPE_FLOAT) + +#define IS_BOOL(v) ((v).type == VAL_TYPE_BOOL) + +#define IS_STR(v) ((v).type == VAL_TYPE_STR) + +#define IS_INVALID(v) ((v).type == VAL_TYPE_INVALID) + +#endif /*SCR_VAL_H*/ +