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
|
/* $Id: pg_wchar.h,v 1.5 1998/09/25 01:46:25 momjian Exp $ */
#ifndef PG_WCHAR_H
#define PG_WCHAR_H
#include <sys/types.h>
#include "postgres.h"
#include "miscadmin.h" /* for getdatabaseencoding() */
#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 3 /* 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 */
/* followings are for client encoding only */
#define SJIS 32 /* Shift JIS */
#ifdef MULTIBYTE
typedef unsigned int pg_wchar;
#else
#define pg_wchar char
#endif
/*
* various definitions for EUC
*/
#define SS2 0x8e /* single shift 2 */
#define SS3 0x8f /* single shift 3 */
/*
* 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 0x90 /* Japanese 1 byte Roman */
#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 bothg supported 1:
* client only */
void (*to_mic) (); /* client encoding to MIC */
void (*from_mic) (); /* MIC to client encoding */
} pg_encoding_conv_tbl;
extern pg_encoding_conv_tbl pg_conv_tbl[];
typedef struct
{
void (*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[];
extern void pg_mb2wchar(const unsigned char *, pg_wchar *);
extern void 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 bool show_client_encoding(void);
extern bool reset_client_encoding(void);
extern bool parse_client_encoding(const char *);
extern bool show_server_encoding(void);
extern bool reset_server_encoding(void);
extern bool parse_server_encoding(const char *);
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 const char *pg_encoding_to_char(int);
extern int pg_char_to_encoding(const char *);
extern int GetDatabaseEncoding(void);
extern void SetDatabaseEncoding(int);
extern void SetTemplateEncoding(int);
extern int GetTemplateEncoding(void);
#endif /* MULTIBYTE */
#endif /* PG_WCHAR_H */
|
