1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* $Id: pg_wchar.h,v 1.25 2001/03/22 04:00:49 momjian Exp $ */
#ifndef PG_WCHAR_H
#define PG_WCHAR_H
#include <sys/types.h>
#ifdef FRONTEND
#undef palloc
#define palloc malloc
#undef pfree
#define pfree free
#endif
#define SQL_ASCII 0 /* SQL/ASCII */
#define EUC_JP 1 /* EUC for Japanese */
#define EUC_CN 2 /* EUC for Chinese */
#define EUC_KR 3 /* EUC for Korean */
#define EUC_TW 4 /* EUC for Taiwan */
#define UNICODE 5 /* Unicode UTF-8 */
#define MULE_INTERNAL 6 /* Mule internal code */
#define LATIN1 7 /* ISO-8859 Latin 1 */
#define LATIN2 8 /* ISO-8859 Latin 2 */
#define LATIN3 9 /* ISO-8859 Latin 3 */
#define LATIN4 10 /* ISO-8859 Latin 4 */
#define LATIN5 11 /* ISO-8859 Latin 5 */
#define LATIN6 12 /* ISO-8859 Latin 6 */
#define LATIN7 13 /* ISO-8859 Latin 7 */
#define LATIN8 14 /* ISO-8859 Latin 8 */
#define LATIN9 15 /* ISO-8859 Latin 9 */
#define KOI8 16 /* KOI8-R */
#define WIN 17 /* windows-1251 */
#define ALT 18 /* Alternativny Variant (MS-DOS CP866) */
/* followings are for client encoding only */
#define SJIS 32 /* Shift JIS */
#define BIG5 33 /* Big5 */
#define WIN1250 34 /* windows-1250 */
#ifdef MULTIBYTE
typedef unsigned int pg_wchar;
#else
#define pg_wchar char
#endif
/*
* various definitions for EUC
*/
#define SS2 0x8e /* single shift 2 (JIS0201) */
#define SS3 0x8f /* single shift 3 (JIS0212) */
/*
* various definitions for mule internal code
*/
#define IS_LC1(c) ((unsigned char)(c) >= 0x81 && (unsigned char)(c) <= 0x8f)
#define IS_LCPRV1(c) ((unsigned char)(c) == 0x9a || (unsigned char)(c) == 0x9b)
#define IS_LC2(c) ((unsigned char)(c) >= 0x90 && (unsigned char)(c) <= 0x99)
#define IS_LCPRV2(c) ((unsigned char)(c) == 0x9c || (unsigned char)(c) == 0x9d)
/*
* leading characters
*/
#define LC_ISO8859_1 0x81 /* ISO8859 Latin 1 */
#define LC_ISO8859_2 0x82 /* ISO8859 Latin 2 */
#define LC_ISO8859_3 0x83 /* ISO8859 Latin 3 */
#define LC_ISO8859_4 0x84 /* ISO8859 Latin 4 */
#define LC_ISO8859_5 0x8d /* ISO8859 Latin 5 */
#define LC_JISX0201K 0x89 /* Japanese 1 byte kana */
#define LC_JISX0201R 0x8a /* Japanese 1 byte Roman */
#define LC_KOI8_R 0x8c /* Cyrillic KOI8-R */
#define LC_GB2312_80 0x91 /* Chinese */
#define LC_JISX0208 0x92 /* Japanese Kanji */
#define LC_KS5601 0x93 /* Korean */
#define LC_JISX0212 0x94 /* Japanese Kanji (JISX0212) */
#define LC_CNS11643_1 0x95 /* CNS 11643-1992 Plane 1 */
#define LC_CNS11643_2 0x96 /* CNS 11643-1992 Plane 2 */
#define LC_CNS11643_3 0xf6 /* CNS 11643-1992 Plane 3 */
#define LC_CNS11643_4 0xf7 /* CNS 11643-1992 Plane 4 */
#define LC_CNS11643_5 0xf8 /* CNS 11643-1992 Plane 5 */
#define LC_CNS11643_6 0xf9 /* CNS 11643-1992 Plane 6 */
#define LC_CNS11643_7 0xfa /* CNS 11643-1992 Plane 7 */
#ifdef MULTIBYTE
typedef struct
{
int encoding; /* encoding symbol value */
char *name; /* encoding name */
int is_client_only; /* 0: server/client both supported 1:
* client only */
void (*to_mic) (); /* client encoding to MIC */
void (*from_mic) (); /* MIC to client encoding */
void (*to_unicode) (); /* client encoding to UTF-8 */
void (*from_unicode) (); /* UTF-8 to client encoding */
} pg_encoding_conv_tbl;
extern pg_encoding_conv_tbl pg_conv_tbl[];
typedef struct
{
int (*mb2wchar_with_len) (); /* convert a multi-byte
* string to a wchar */
int (*mblen) (); /* returns the length of a multi-byte word */
} pg_wchar_tbl;
extern pg_wchar_tbl pg_wchar_table[];
/*
* UTF-8 to local code conversion map
*/
typedef struct
{
unsigned int utf; /* UTF-8 */
unsigned int code; /* local code */
} pg_utf_to_local;
/*
* local code to UTF-8 conversion map
*/
typedef struct
{
unsigned int code; /* local code */
unsigned int utf; /* UTF-8 */
} pg_local_to_utf;
extern int pg_mb2wchar(const unsigned char *, pg_wchar *);
extern int pg_mb2wchar_with_len(const unsigned char *, pg_wchar *, int);
extern int pg_char_and_wchar_strcmp(const char *, const pg_wchar *);
extern int pg_wchar_strncmp(const pg_wchar *, const pg_wchar *, size_t);
extern int pg_char_and_wchar_strncmp(const char *, const pg_wchar *, size_t);
extern size_t pg_wchar_strlen(const pg_wchar *);
extern int pg_mblen(const unsigned char *);
extern int pg_encoding_mblen(int, const unsigned char *);
extern int pg_mule_mblen(const unsigned char *);
extern int pg_mic_mblen(const unsigned char *);
extern int pg_mbstrlen(const unsigned char *);
extern int pg_mbstrlen_with_len(const unsigned char *, int);
extern int pg_mbcliplen(const unsigned char *, int, int);
extern pg_encoding_conv_tbl *pg_get_encent_by_encoding(int);
extern int pg_set_client_encoding(int);
extern int pg_get_client_encoding(void);
extern unsigned char *pg_client_to_server(unsigned char *, int);
extern unsigned char *pg_server_to_client(unsigned char *, int);
extern int pg_valid_client_encoding(const char *);
extern pg_encoding_conv_tbl *pg_get_enc_ent(int);
extern int pg_utf_mblen(const unsigned char *);
/* internally-used versions of functions. The PG_xxx forms of these
* functions have fmgr-compatible interfaves.
*/
extern const char *pg_encoding_to_char(int);
extern int pg_char_to_encoding(const char *);
extern int GetDatabaseEncoding(void);
extern void SetDatabaseEncoding(int);
extern unsigned short BIG5toCNS(unsigned short, unsigned char *);
extern unsigned short CNStoBIG5(unsigned short, unsigned char);
#endif /* MULTIBYTE */
#endif /* PG_WCHAR_H */
|
