/* $Id: pg_wchar.h,v 1.40 2002/07/18 02:02:30 ishii Exp $ */ #ifndef PG_WCHAR_H #define PG_WCHAR_H #include #ifdef FRONTEND #undef palloc #define palloc malloc #undef pfree #define pfree free #endif /* * The pg_wchar */ #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) */ /* * Leading byte types or leading prefix byte for MULE internal code. * See http://www.xemacs.org for more details. (there is a doc titled * "XEmacs Internals Manual", "MULE Character Sets and Encodings" * section. */ /* * Is a leading byte for "official" single byte encodings? */ #define IS_LC1(c) ((unsigned char)(c) >= 0x81 && (unsigned char)(c) <= 0x8d) /* * Is a prefix byte for "private" single byte encodings? */ #define IS_LCPRV1(c) ((unsigned char)(c) == 0x9a || (unsigned char)(c) == 0x9b) /* * Is a leading byte for "official" multi byte encodings? */ #define IS_LC2(c) ((unsigned char)(c) >= 0x90 && (unsigned char)(c) <= 0x99) /* * Is a prefix byte for "private" multi byte encodings? */ #define IS_LCPRV2(c) ((unsigned char)(c) == 0x9c || (unsigned char)(c) == 0x9d) /*---------------------------------------------------- * leading characters *---------------------------------------------------- */ /* * Official single byte encodings (0x81-0x8e) */ #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_TIS620 0x85 /* Thai (not supported yet) */ #define LC_ISO8859_7 0x86 /* Greek (not supported yet) */ #define LC_ISO8859_6 0x87 /* Arabic (not supported yet) */ #define LC_ISO8859_8 0x88 /* Hebrew (not supported yet) */ #define LC_JISX0201K 0x89 /* Japanese 1 byte kana */ #define LC_JISX0201R 0x8a /* Japanese 1 byte Roman */ /* Note that 0x8b seems to be unused in as of Emacs 20.7. * However, there might be a chance that 0x8b could be used * in later version of Emacs. */ #define LC_KOI8_R 0x8b /* Cyrillic KOI8-R */ #define LC_KOI8_U 0x8b /* Cyrillic KOI8-U */ #define LC_ISO8859_5 0x8c /* ISO8859 Cyrillic */ #define LC_ISO8859_9 0x8d /* ISO8859 Latin 5 (not supported yet) */ /* #define FREE 0x8e free (unused) */ /* * Unused */ #define CONTROL_1 0x8f /* control characters (unused) */ /* * Official multibyte byte encodings (0x90-0x99) * 0x9a-0x9d are free. 0x9e and 0x9f are reserved. */ #define LC_JISX0208_1978 0x90 /* Japanese Kanji, old JIS (not supported) */ /* #define FREE 0x90 free (unused) */ #define LC_GB2312_80 0x91 /* Chinese */ #define LC_JISX0208 0x92 /* Japanese Kanji (JIS X 0208) */ #define LC_KS5601 0x93 /* Korean */ #define LC_JISX0212 0x94 /* Japanese Kanji (JIS X 0212) */ #define LC_CNS11643_1 0x95 /* CNS 11643-1992 Plane 1 */ #define LC_CNS11643_2 0x96 /* CNS 11643-1992 Plane 2 */ /* #define FREE 0x97 free (unused) */ #define LC_BIG5_1 0x98 /* Plane 1 Chinese traditional (not * supported) */ #define LC_BIG5_2 0x99 /* Plane 1 Chinese traditional (not * supported) */ /* * Private single byte encodings (0xa0-0xef) */ #define LC_SISHENG 0xa0 /* Chinese SiSheng characters for * PinYin/ZhuYin (not supported) */ #define LC_IPA 0xa1 /* IPA (International Phonetic * Association) (not supported) */ #define LC_VISCII_LOWER 0xa2 /* Vietnamese VISCII1.1 lower-case (not * supported) */ #define LC_VISCII_UPPER 0xa3 /* Vietnamese VISCII1.1 upper-case (not * supported) */ #define LC_ARABIC_DIGIT 0xa4 /* Arabic digit (not supported) */ #define LC_ARABIC_1_COLUMN 0xa5 /* Arabic 1-column (not supported) */ #define LC_ASCII_RIGHT_TO_LEFT 0xa6 /* ASCII (left half of ISO8859-1) * with right-to-left direction * (not supported) */ #define LC_LAO 0xa7 /* Lao characters (ISO10646 0E80..0EDF) * (not supported) */ #define LC_ARABIC_2_COLUMN 0xa8 /* Arabic 1-column (not supported) */ /* * Private multi byte encodings (0xf0-0xff) */ #define LC_INDIAN_1_COLUMN 0xf0/* Indian charset for 1-column width * glypps (not supported) */ #define LC_TIBETAN_1_COLUMN 0xf1 /* Tibetan 1 column glyph (not supported) */ #define LC_ETHIOPIC 0xf5 /* Ethiopic characters (not supported) */ #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 */ #define LC_INDIAN_2_COLUMN 0xfb/* Indian charset for 2-column width * glypps (not supported) */ #define LC_TIBETAN 0xfc /* Tibetan (not supported) */ /* #define FREE 0xfd free (unused) */ /* #define FREE 0xfe free (unused) */ /* #define FREE 0xff free (unused) */ /* * Encoding numeral identificators * * WARNING: the order of this table must be same as order * in the pg_enc2name[] (mb/encnames.c) array! * * If you add some encoding don'y forget check * PG_ENCODING_[BE|FE]_LAST macros. * * The PG_SQL_ASCII is default encoding and must be = 0. */ typedef enum pg_enc { PG_SQL_ASCII = 0, /* SQL/ASCII */ PG_EUC_JP, /* EUC for Japanese */ PG_EUC_CN, /* EUC for Chinese */ PG_EUC_KR, /* EUC for Korean */ PG_EUC_TW, /* EUC for Taiwan */ PG_JOHAB, /* EUC for Korean JOHAB */ PG_UTF8, /* Unicode UTF-8 */ PG_MULE_INTERNAL, /* Mule internal code */ PG_LATIN1, /* ISO-8859-1 Latin 1 */ PG_LATIN2, /* ISO-8859-2 Latin 2 */ PG_LATIN3, /* ISO-8859-3 Latin 3 */ PG_LATIN4, /* ISO-8859-4 Latin 4 */ PG_LATIN5, /* ISO-8859-9 Latin 5 */ PG_LATIN6, /* ISO-8859-10 Latin6 */ PG_LATIN7, /* ISO-8859-13 Latin7 */ PG_LATIN8, /* ISO-8859-14 Latin8 */ PG_LATIN9, /* ISO-8859-15 Latin9 */ PG_LATIN10, /* ISO-8859-16 Latin10 */ PG_WIN1256, /* windows-1256 */ PG_TCVN, /* TCVN (Windows-1258) */ PG_WIN874, /* windows-874 */ PG_KOI8R, /* KOI8-R */ PG_WIN1251, /* windows-1251 (was: WIN) */ PG_ALT, /* (MS-DOS CP866) */ PG_ISO_8859_5, /* ISO-8859-5 */ PG_ISO_8859_6, /* ISO-8859-6 */ PG_ISO_8859_7, /* ISO-8859-7 */ PG_ISO_8859_8, /* ISO-8859-8 */ /* followings are for client encoding only */ PG_SJIS, /* Shift JIS (Winindows-932) */ PG_BIG5, /* Big5 (Windows-950) */ PG_GBK, /* GBK (Windows-936) */ PG_UHC, /* UHC (Windows-949) */ PG_WIN1250, /* windows-1250 */ PG_GB18030, /* GB18030 */ _PG_LAST_ENCODING_ /* mark only */ } pg_enc; #define PG_ENCODING_BE_LAST PG_ISO_8859_8 #define PG_ENCODING_FE_LAST PG_WIN1256 #ifdef MULTIBYTE /* * Please use these tests before access to pg_encconv_tbl[] * or to other places... */ #define PG_VALID_BE_ENCODING(_enc) \ ((_enc) >= 0 && (_enc) <= PG_ENCODING_BE_LAST) #define PG_ENCODING_IS_CLIEN_ONLY(_enc) \ (((_enc) > PG_ENCODING_BE_LAST && (_enc) <= PG_ENCODING_FE_LAST) #define PG_VALID_ENCODING(_enc) \ ((_enc) >= 0 && (_enc) < _PG_LAST_ENCODING_) /* On FE are possible all encodings */ #define PG_VALID_FE_ENCODING(_enc) PG_VALID_ENCODING(_enc) /* * Encoding names with all aliases */ typedef struct pg_encname { char *name; pg_enc encoding; } pg_encname; extern pg_encname pg_encname_tbl[]; extern unsigned int pg_encname_tbl_sz; /* * Careful: * * if (PG_VALID_ENCODING(encoding)) * pg_enc2name_tbl[ encoding ]; */ typedef struct pg_enc2name { char *name; pg_enc encoding; } pg_enc2name; extern pg_enc2name pg_enc2name_tbl[]; extern pg_encname *pg_char_to_encname_struct(const char *name); extern int pg_char_to_encoding(const char *s); extern const char *pg_encoding_to_char(int encoding); /* * pg_wchar stuff */ typedef int (*mb2wchar_with_len_converter) (const unsigned char *from, pg_wchar *to, int len); typedef int (*mblen_converter) (const unsigned char *mbstr); typedef struct { mb2wchar_with_len_converter mb2wchar_with_len; /* convert a multi-byte * string to a wchar */ mblen_converter mblen; /* returns the length of a multi-byte char */ int maxmblen; /* max bytes for a char in this charset */ } 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 int pg_mbcharcliplen(const unsigned char *, int, int); extern int pg_encoding_max_length(int); extern int pg_database_encoding_max_length(void); extern void SetDefaultClientEncoding(void); extern int SetClientEncoding(int encoding, bool doit); extern int pg_get_client_encoding(void); extern const char *pg_get_client_encoding_name(void); extern void SetDatabaseEncoding(int); extern int GetDatabaseEncoding(void); extern const char *GetDatabaseEncodingName(void); extern int pg_valid_client_encoding(const char *name); extern int pg_valid_server_encoding(const char *name); extern int pg_utf_mblen(const unsigned char *); extern unsigned char *pg_do_encoding_conversion(unsigned char *src, int len, int src_encoding, int dest_encoding); extern unsigned char *pg_client_to_server(unsigned char *, int); extern unsigned char *pg_server_to_client(unsigned char *, int); extern unsigned short BIG5toCNS(unsigned short, unsigned char *); extern unsigned short CNStoBIG5(unsigned short, unsigned char); extern void LocalToUtf(unsigned char *iso, unsigned char *utf, pg_local_to_utf *map, int size, int encoding, int len); extern void UtfToLocal(unsigned char *utf, unsigned char *iso, pg_utf_to_local *map, int size, int len); char *pg_verifymbstr(const unsigned char *, int); void pg_ascii2mic(unsigned char *src, unsigned char *dest, int len); void pg_mic2ascii(unsigned char *src, unsigned char *dest, int len); void pg_print_bogus_char(unsigned char **mic, unsigned char **p); #endif /* MULTIBYTE */ #endif /* PG_WCHAR_H */