1 /* $Id: pg_wchar.h,v 1.20 2000/10/25 19:44:43 tgl Exp $ */
16 #define SQL_ASCII 0 /* SQL/ASCII */
17 #define EUC_JP 1 /* EUC for Japanese */
18 #define EUC_CN 2 /* EUC for Chinese */
19 #define EUC_KR 3 /* EUC for Korean */
20 #define EUC_TW 4 /* EUC for Taiwan */
21 #define UNICODE 5 /* Unicode UTF-8 */
22 #define MULE_INTERNAL 6 /* Mule internal code */
23 #define LATIN1 7 /* ISO-8859 Latin 1 */
24 #define LATIN2 8 /* ISO-8859 Latin 2 */
25 #define LATIN3 9 /* ISO-8859 Latin 3 */
26 #define LATIN4 10 /* ISO-8859 Latin 4 */
27 #define LATIN5 11 /* ISO-8859 Latin 5 */
28 #define LATIN6 12 /* ISO-8859 Latin 6 */
29 #define LATIN7 13 /* ISO-8859 Latin 7 */
30 #define LATIN8 14 /* ISO-8859 Latin 8 */
31 #define LATIN9 15 /* ISO-8859 Latin 9 */
32 #define KOI8 16 /* KOI8-R */
33 #define WIN 17 /* windows-1251 */
34 #define ALT 18 /* Alternativny Variant (MS-DOS CP866) */
35 /* followings are for client encoding only */
36 #define SJIS 32 /* Shift JIS */
37 #define BIG5 33 /* Big5 */
38 #define WIN1250 34 /* windows-1250 */
41 typedef unsigned int pg_wchar;
47 * various definitions for EUC
49 #define SS2 0x8e /* single shift 2 */
50 #define SS3 0x8f /* single shift 3 */
53 * various definitions for mule internal code
55 #define IS_LC1(c) ((unsigned char)(c) >= 0x81 && (unsigned char)(c) <= 0x8f)
56 #define IS_LCPRV1(c) ((unsigned char)(c) == 0x9a || (unsigned char)(c) == 0x9b)
57 #define IS_LC2(c) ((unsigned char)(c) >= 0x90 && (unsigned char)(c) <= 0x99)
58 #define IS_LCPRV2(c) ((unsigned char)(c) == 0x9c || (unsigned char)(c) == 0x9d)
63 #define LC_ISO8859_1 0x81 /* ISO8859 Latin 1 */
64 #define LC_ISO8859_2 0x82 /* ISO8859 Latin 2 */
65 #define LC_ISO8859_3 0x83 /* ISO8859 Latin 3 */
66 #define LC_ISO8859_4 0x84 /* ISO8859 Latin 4 */
67 #define LC_ISO8859_5 0x8d /* ISO8859 Latin 5 */
68 #define LC_JISX0201K 0x89 /* Japanese 1 byte kana */
69 #define LC_JISX0201R 0x8a /* Japanese 1 byte Roman */
70 #define LC_KOI8_R 0x8c /* Cyrillic KOI8-R */
71 #define LC_GB2312_80 0x91 /* Chinese */
72 #define LC_JISX0208 0x92 /* Japanese Kanji */
73 #define LC_KS5601 0x93 /* Korean */
74 #define LC_JISX0212 0x94 /* Japanese Kanji (JISX0212) */
75 #define LC_CNS11643_1 0x95 /* CNS 11643-1992 Plane 1 */
76 #define LC_CNS11643_2 0x96 /* CNS 11643-1992 Plane 2 */
77 #define LC_CNS11643_3 0xf6 /* CNS 11643-1992 Plane 3 */
78 #define LC_CNS11643_4 0xf7 /* CNS 11643-1992 Plane 4 */
79 #define LC_CNS11643_5 0xf8 /* CNS 11643-1992 Plane 5 */
80 #define LC_CNS11643_6 0xf9 /* CNS 11643-1992 Plane 6 */
81 #define LC_CNS11643_7 0xfa /* CNS 11643-1992 Plane 7 */
86 int encoding; /* encoding symbol value */
87 char *name; /* encoding name */
88 int is_client_only; /* 0: server/client both supported 1:
90 void (*to_mic) (); /* client encoding to MIC */
91 void (*from_mic) (); /* MIC to client encoding */
92 void (*to_unicode) (); /* client encoding to UTF-8 */
93 void (*from_unicode) (); /* UTF-8 to client encoding */
94 } pg_encoding_conv_tbl;
96 extern pg_encoding_conv_tbl pg_conv_tbl[];
100 int (*mb2wchar_with_len) (); /* convert a multi-byte
101 * string to a wchar */
102 int (*mblen) (); /* returns the length of a multi-byte word */
105 extern pg_wchar_tbl pg_wchar_table[];
109 unsigned int utf; /* UTF-8 */
110 unsigned int code; /* local code */
111 unsigned char encoding; /* encoding */
116 unsigned int code; /* local code */
117 unsigned int utf; /* UTF-8 */
120 extern int pg_mb2wchar(const unsigned char *, pg_wchar *);
121 extern int pg_mb2wchar_with_len(const unsigned char *, pg_wchar *, int);
122 extern int pg_char_and_wchar_strcmp(const char *, const pg_wchar *);
123 extern int pg_wchar_strncmp(const pg_wchar *, const pg_wchar *, size_t);
124 extern int pg_char_and_wchar_strncmp(const char *, const pg_wchar *, size_t);
125 extern size_t pg_wchar_strlen(const pg_wchar *);
126 extern int pg_mblen(const unsigned char *);
127 extern int pg_mblen_with_encoding(const unsigned char *, int);
128 extern int pg_encoding_mblen(int, const unsigned char *);
129 extern int pg_mule_mblen(const unsigned char *);
130 extern int pg_mic_mblen(const unsigned char *);
131 extern int pg_mbstrlen(const unsigned char *);
132 extern int pg_mbstrlen_with_len(const unsigned char *, int);
133 extern int pg_mbcliplen(const unsigned char *, int, int);
134 extern pg_encoding_conv_tbl *pg_get_encent_by_encoding(int);
135 extern int pg_set_client_encoding(int);
136 extern int pg_get_client_encoding(void);
137 extern unsigned char *pg_client_to_server(unsigned char *, int);
138 extern unsigned char *pg_server_to_client(unsigned char *, int);
139 extern int pg_valid_client_encoding(const char *);
140 extern pg_encoding_conv_tbl *pg_get_enc_ent(int);
141 extern int pg_utf_mblen(const unsigned char *);
143 /* internally-used versions of functions. The PG_xxx forms of these
144 * functions have fmgr-compatible interfaves.
146 extern const char *pg_encoding_to_char(int);
147 extern int pg_char_to_encoding(const char *);
149 extern int GetDatabaseEncoding(void);
150 extern void SetDatabaseEncoding(int);
151 extern void SetTemplateEncoding(int);
152 extern int GetTemplateEncoding(void);
153 extern unsigned short BIG5toCNS(unsigned short, unsigned char *);
154 extern unsigned short CNStoBIG5(unsigned short, unsigned char);
156 #endif /* MULTIBYTE */
158 #endif /* PG_WCHAR_H */