#ifndef _XWCHAR_H_
#define _XWCHAR_H_

#include <mywchar.h>

/*
 * wchar_t mappings:	
 * ASCII (ESC ( B)      		00000000 00000000 00000000 0xxxxxxx
 * iso-8859-1 (ESC , A)     	00000000 00000000 00000000 1xxxxxxx
 * unicode(UCS2)                00000000 00000000 xxxxxxxx xxxxxxxx
 * UCS4                         0xxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx
 * 94 charset (ESC ( F)     	1fffffff 00000000 00000000 0xxxxxxx
 * 96 charset (ESC , F)     	1fffffff 00000000 00000000 1xxxxxxx
 * 94x94 charset (ESC $ ( F)    1fffffff 00000000 1xxxxxxx 0xxxxxxx
 * 96x96 charset (ESC $ , F)    1fffffff 00000000 1xxxxxxx 1xxxxxxx
 UCS/ISO2022 flag --------------^
 94/96 flag -----------------------------------------------^
 multibyte flag ----------------------------------^
*/

#define MASK_UCS4		((wchar_t)0x80000000)
#define	MASK_UNICODE	((wchar_t)0xFFFF0000)
#define MASK_LATIN_1	((wchar_t)0xFFFFFF00)
#define MASK_ASCII		((wchar_t)0xFFFFFF80)
#define MASK_MB       	((wchar_t)0x00808000)

#define IS_UCS4(c)		(((c) & MASK_UCS4) == 0)
#define IS_UNICODE(c)	(((c) & MASK_UNICODE) == 0)
#define IS_LATIN_1(c)	(((c) & MASK_LATIN_1) == 0)
#define IS_ASCII(c)		(((c) & MASK_ASCII) == 0)
#define IS_MB(c)		(((c) & MASK_MB))

/* to check iso2022 invoked code */
#define HEAD_MASK		((wchar_t)0xFF808080)
#define HEAD_TYPE_MASK	((wchar_t)0x80808080)
#define HEAD_94			((wchar_t)0x80000000)
#define HEAD_96			((wchar_t)0x80000080)
#define HEAD_94x94		((wchar_t)0x80008000)
#define HEAD_96x96		((wchar_t)0x80008080)

#define HEAD_UNICODE	((wchar_t)0xFFFFFFFF)	/* unicode-1-1 */

#define HEAD_ASCII      ((wchar_t)0x00000000)	/* ascii */
#define HEAD_JISX0201	((wchar_t)0xC9000000)	/* Katakana */
#define HEAD_JIS_ROMAN  ((wchar_t)0xCa000000)	/* JIS X 0201-1976 Roman */
#define HEAD_GB_ROMAN   ((wchar_t)0xD4000000)	/* GB 1988-89 Roman */

#define HEAD_ISO8859_1	((wchar_t)0x00000080)	/* Latin-1 */
#define HEAD_ISO8859_2	((wchar_t)0xC2000080)	/* Latin-2 */
#define HEAD_ISO8859_3	((wchar_t)0xC3000080)	/* Latin-3 */
#define HEAD_ISO8859_4	((wchar_t)0xC4000080)	/* Latin-4 */
#define HEAD_ISO8859_5	((wchar_t)0xCC000080)	/* Cyrillic */
#define HEAD_ISO8859_6	((wchar_t)0xC7000080)	/* Arabic */
#define HEAD_ISO8859_7	((wchar_t)0xC6000080)	/* Greek */
#define HEAD_ISO8859_8	((wchar_t)0xC8000080)	/* Hevrew */
#define HEAD_ISO8859_9	((wchar_t)0xCD000080)	/* Latin-5 */
#define HEAD_ISO8859_10	((wchar_t)0xD6000080)	/* Latin-6 */

#define HEAD_JISX0208_O	((wchar_t)0xC0008000)	/* Japanese Kanji (1978) */
#define HEAD_GB2312		((wchar_t)0xC1008000)	/* Chinese Kanji */
#define HEAD_JISX0208	((wchar_t)0xC2008000)	/* Japanese Kanji (1983) */
#define HEAD_KSC5601	((wchar_t)0xC3008000)	/* Korean */
#define HEAD_JISX0212	((wchar_t)0xC4008000)	/* New JIS */
#define HEAD_CNS11643_1 ((wchar_t)0xC7008000)
#define HEAD_CNS11643_2 ((wchar_t)0xC8008000)

#define SI		0x0F	/* 017 */
#define SO		0x0E	/* 016 */
#define LS2		0x6E
#define LS3		0x6F
#define LS1R  	0x7E
#define LS2R	0x7D
#define LS3R	0x7C
#define SS2		0x4E
#define SS3		0x4F
#define SS2R	0x8E
#define SS3R	0x8F

#define LF		0x0A

#endif