--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/wmlengine/src/script/include/scr_val.h	Wed Sep 01 12:28:30 2010 +0100
@@ -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*/
+