vxodbc/multibyte.h

   1 #ifndef __MULTIBUYTE_H__
   2 #define __MULTIBUYTE_H__
   3 /*
   4  *
   5  * Multibyte library header ( psqlODBC Only )
   6  *
   7  */
   8 #include "psqlodbc.h"
   9 #include "qresult.h"
  10
  11 /* PostgreSQL client encoding */
  12 enum {
  13         SQL_ASCII       = 0     /* SQL/ASCII */
  14         ,EUC_JP                 /* EUC for Japanese */
  15         ,EUC_CN                 /* EUC for Chinese */
  16         ,EUC_KR                 /* EUC for Korean */
  17         ,EUC_TW                 /* EUC for Taiwan */
  18         ,JOHAB
  19         ,UTF8                   /* Unicode UTF-8 */
  20         ,MULE_INTERNAL          /* Mule internal code */
  21         ,LATIN1                 /* ISO-8859 Latin 1 */
  22         ,LATIN2                 /* ISO-8859 Latin 2 */
  23         ,LATIN3                 /* ISO-8859 Latin 3 */
  24         ,LATIN4                 /* ISO-8859 Latin 4 */
  25         ,LATIN5                 /* ISO-8859 Latin 5 */
  26         ,LATIN6                 /* ISO-8859 Latin 6 */
  27         ,LATIN7                 /* ISO-8859 Latin 7 */
  28         ,LATIN8                 /* ISO-8859 Latin 8 */
  29         ,LATIN9                 /* ISO-8859 Latin 9 */
  30         ,LATIN10                /* ISO-8859 Latin 10 */
  31         ,WIN1256                /* Arabic Windows */
  32         ,WIN1258                /* Vietnamese Windows */
  33         ,WIN866                 /* Alternativny Variant (MS-DOS CP866) */
  34         ,WIN874                 /* Thai Windows */
  35         ,KOI8R                  /* KOI8-R/U */
  36         ,WIN1251                /* Cyrillic Windows */
  37         ,WIN1252                /* Western Europe Windows */
  38         ,ISO_8859_5             /* ISO-8859-5 */
  39         ,ISO_8859_6             /* ISO-8859-6 */
  40         ,ISO_8859_7             /* ISO-8859-7 */
  41         ,ISO_8859_8             /* ISO-8859-8 */
  42         ,WIN1250                /* Central Europe Windows */
  43         ,WIN1253                /* Greek Windows */
  44         ,WIN1254                /* Turkish Windows */
  45         ,WIN1255                /* Hebrew Windows */
  46         ,WIN1257                /* Baltic(North Europe) Windows */
  47         ,SJIS                   /* Shift JIS */
  48         ,BIG5                   /* Big5 */
  49         ,GBK                    /* GBK */
  50         ,UHC                    /* UHC */
  51         ,GB18030                /* GB18030 */
  52         ,OTHER          =       -1
  53 };
  54
  55 #define MAX_CHARACTERSET_NAME   24
  56 #define MAX_CHARACTER_LEN       6
  57
  58 /* OLD Type */
  59 // extern int   multibyte_client_encoding;      /* Multibyte client encoding. */
  60 // extern int   multibyte_status;       /* Multibyte charcter status. */
  61 //
  62 // void         multibyte_init(void);
  63 // unsigned char *check_client_encoding(unsigned char *sql_string);
  64 // int                  multibyte_char_check(unsigned char s);
  65 // unsigned char *multibyte_strchr(const unsigned char *string, unsigned int c);
  66
  67 /* New Type */
  68
  69 extern void CC_lookup_characterset(ConnectionClass *self);
  70 extern const char *get_environment_encoding(const ConnectionClass *conn, const char *setenc, const char *svrenc, BOOL bStartup);
  71
  72 extern int pg_CS_stat(int stat,unsigned int charcter,int characterset_code);
  73 extern int pg_CS_code(const UCHAR *stat_string);
  74 extern const UCHAR *pg_CS_name(int code);
  75
  76 typedef struct pg_CS
  77 {
  78         const char *name;
  79         int code;
  80 }pg_CS;
  81 extern size_t   pg_mbslen(int ccsc, const UCHAR *string);
  82 extern UCHAR *pg_mbschr(int ccsc, const UCHAR *string, unsigned int character);
  83 extern UCHAR *pg_mbsinc(int ccsc, const UCHAR *current );
  84
  85 /* Old Type Compatible */
  86 typedef struct
  87 {
  88         int     ccsc;
  89         const UCHAR *encstr;
  90         ssize_t pos;
  91         int     ccst;
  92 } encoded_str;
  93 #define ENCODE_STATUS(enc)      ((enc).ccst)
  94
  95 void encoded_str_constr(encoded_str *encstr, int ccsc, const char *str);
  96 #define make_encoded_str(encstr, conn, str) encoded_str_constr(encstr, conn->ccsc, str)
  97 extern int encoded_nextchar(encoded_str *encstr);
  98 extern ssize_t encoded_position_shift(encoded_str *encstr, size_t shift);
  99 extern int encoded_byte_check(encoded_str *encstr, size_t abspos);
 100 /* #define check_client_encoding(X) pg_CS_name(pg_CS_code(X)) */
 101 UCHAR *check_client_encoding(const UCHAR *sql_string);
 102 #endif /* __MULTIBUYTE_H__ */