1 /*
2  * $LynxId: HTCJK.h,v 1.19 2012/08/15 23:11:03 tom Exp $
3  *
4  *			CJK character converter		HTCJK.h
5  *			=======================
6  *
7  *	Added 11-Jun-96 by FM, based on jiscode.h for
8  *	  Yutaka Sato's (ysato@etl.go.jp) SJIS.c, and
9  *	  Takuya ASADA's (asada@three-a.co.jp) CJK patches.
10  *	  (see SGML.c).
11  *
12  */
13 
14 #ifndef HTCJK_H
15 #define HTCJK_H
16 
17 #ifndef HTUTILS_H
18 #include <HTUtils.h>
19 #endif
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 /*
25  *	STATUS CHANGE CODES
26  */
27 #define TO_2BCODE	'$'
28 #define TO_1BCODE	'('
29 #define TO_KANA		'\016'
30 #define TO_KANAOUT	'\017'
31 #define TO_KANJI	"\033$B"
32 #define TO_HANJI	"\033$A"
33 #define TO_HANGUL	"\033$(C"
34 #define TO_ASCII	"\033(B"
35 #define IS_SJIS_LO(lo)	((0x40<=lo)&&(lo!=0x7F)&&(lo<=0xFC))
36 #define IS_SJIS_HI1(hi) ((0x81 <= (hi)) && ((hi) <= 0x9F))	/* 1st lev. */
37 #define IS_SJIS_HI2(hi) ((0xE0 <= (hi)) && ((hi) <= 0xEF))	/* 2nd lev. */
38 #define IS_SJIS(hi,lo,in_sjis) (!IS_SJIS_LO(lo)?0:IS_SJIS_HI1(hi)?(in_sjis=1):in_sjis&&IS_SJIS_HI2(hi))
39 #define IS_SJIS_2BYTE(hi,lo) (IS_SJIS_LO(lo)&&(IS_SJIS_HI1(hi)||IS_SJIS_HI2(hi)))
40 #define IS_SJIS_X0201KANA(lo) ((0xA1<=lo)&&(lo<=0xDF))
41 #define IS_EUC_LOX(lo)	((0xA1<=lo)&&(lo<=0xFE))	/* extended */
42 #define IS_EUC_HI(hi)	((0xA1<=hi)&&(hi<=0xFE))
43 #define IS_EUC_X0201KANA(hi,lo) ((hi==0x8E)&&(0xA1<=lo)&&(lo<=0xDF))
44 #define IS_EUC(hi,lo) ((IS_EUC_HI(hi) && IS_EUC_LOX(lo))||IS_EUC_X0201KANA(hi,lo))
45 #define IS_JAPANESE_2BYTE(hi,lo) (IS_SJIS_2BYTE(hi,lo) || IS_EUC(hi,lo))
46 #define IS_BIG5_LOS(lo)	((0x40<=lo)&&(lo<=0x7E))	/* standard */
47 #define IS_BIG5_LOX(lo)	((0xA1<=lo)&&(lo<=0xFE))	/* extended */
48 #define IS_BIG5_HI(hi)	((0xA1<=hi)&&(hi<=0xFE))
49 #define IS_BIG5(hi,lo) (IS_BIG5_HI(hi) && (IS_BIG5_LOS(lo) || IS_BIG5_LOX(lo)))
50     typedef enum {
51 	NOKANJI = 0, EUC, SJIS, JIS
52     } HTkcode;
53     typedef enum {
54 	NOCJK = 0, JAPANESE, CHINESE, KOREAN, TAIPEI
55     } HTCJKlang;
56 
57     extern HTCJKlang HTCJK;
58 
59 /*
60  *  Function prototypes.
61  */
62     extern void JISx0201TO0208_EUC(unsigned IHI,
63 				   unsigned ILO,
64 				   unsigned char *OHI,
65 				   unsigned char *OLO);
66 
67     extern unsigned char *SJIS_TO_JIS1(unsigned HI,
68 				       unsigned LO,
69 				       unsigned char *JCODE);
70 
71     extern unsigned char *JIS_TO_SJIS1(unsigned HI,
72 				       unsigned LO,
73 				       unsigned char *SJCODE);
74 
75     extern unsigned char *EUC_TO_SJIS1(unsigned HI,
76 				       unsigned LO,
77 				       register unsigned char *SJCODE);
78 
79     extern void JISx0201TO0208_SJIS(unsigned I,
80 				    unsigned char *OHI,
81 				    unsigned char *OLO);
82 
83     extern unsigned char *SJIS_TO_EUC1(unsigned HI,
84 				       unsigned LO,
85 				       unsigned char *EUCp);
86 
87     extern unsigned char *SJIS_TO_EUC(unsigned char *src,
88 				      unsigned char *dst);
89 
90     extern unsigned char *EUC_TO_SJIS(unsigned char *src,
91 				      unsigned char *dst);
92 
93     extern unsigned char *EUC_TO_JIS(unsigned char *src,
94 				     unsigned char *dst,
95 				     const char *toK,
96 				     const char *toA);
97 
98     extern unsigned char *TO_EUC(const unsigned char *jis,
99 				 unsigned char *euc);
100 
101     extern void TO_SJIS(const unsigned char *any,
102 			unsigned char *sjis);
103 
104     extern void TO_JIS(const unsigned char *any,
105 		       unsigned char *jis);
106 
107     extern char *str_kcode(HTkcode code);
108 
109 #ifdef __cplusplus
110 }
111 #endif
112 #endif				/* HTCJK_H */
113