pg_wchar.h
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上传日期:2007-01-07
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文件大小:5k
- /* $Id: pg_wchar.h,v 1.9 1999/07/11 22:47:19 ishii 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 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 */
- #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 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 */
- } 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);
- extern unsigned short BIG5toCNS(unsigned short, unsigned char *);
- extern unsigned short CNStoBIG5(unsigned short, unsigned char);
- #endif /* MULTIBYTE */
- #endif /* PG_WCHAR_H */