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Oops I forgot to add new files for multibyte support.

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Sorry Eiji.
This commit is contained in:
Hiroshi Inoue 2001-03-16 13:03:04 +00:00
parent 9d645fd84c
commit 935017457b
2 changed files with 163 additions and 0 deletions
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124
src/interfaces/odbc/multibyte.c Normal file
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/*
* Module : multibyte.c
*
* Description: Mlutibyte related additional function.
*
* Create 2001-03-03 Eiji Tokuya
*
*/
#include <string.h>
#include "multibyte.h"
int multibyte_client_encoding ; /* Multibyte Client Encoding. */
int multibyte_status ; /* Multibyte Odds and ends character. */
unsigned char *multibyte_strchr(unsigned char *s,unsigned char c)
{
int mb_st = 0 ,i = 0;
while (!(mb_st == 0 && s[i] == c || s[i] == 0))
{
if (s[i] == 0)
return (0);
switch ( multibyte_client_encoding )
{
case SJIS:
{
if (mb_st < 2 && s[i] > 0x80 && !(s[i] > 0x9f && s[i] < 0xe0))
mb_st = 2;
else if (mb_st == 2)
mb_st = 1;
else
mb_st = 0;
}
break;
/* Chinese Big5 Support. */
case BIG5:
{
if ( mb_st < 2 && s[i] > 0xA0 )
mb_st = 2;
else if ( mb_st == 2 )
mb_st = 1;
else
mb_st = 0;
}
break;
default:
{
mb_st = 0;
}
}
i++;
}
#ifdef _DEBUG
qlog("i = %d\n",i);
#endif
return (s + i);
}
void multibyte_init(void)
{
multibyte_status = 0;
}
unsigned char *check_client_encoding(unsigned char *str)
{
if(strstr(str,"%27SJIS%27")||strstr(str,"'SJIS'")||strstr(str,"'sjis'"))
{
multibyte_client_encoding = SJIS;
return ("SJIS");
}
if(strstr(str,"%27BIG5%27")||strstr(str,"'BIG5'")||strstr(str,"'big5'"))
{
multibyte_client_encoding = BIG5;
return ("BIG5");
}
return ("OHTER");
}
/*
* Multibyte Status Function.
* Input char
* Output 0 : 1 Byte Character.
* 1 : MultibyteCharacter Last Byte.
* N : MultibyteCharacter Fast or Middle Byte.
*/
int multibyte_char_check(unsigned char s)
{
switch ( multibyte_client_encoding )
{
/* Japanese Shift-JIS(CP932) Support. */
case SJIS:
{
if ( multibyte_status < 2 && s > 0x80 && !(s > 0x9f && s < 0xE0))
multibyte_status = 2;
else if (multibyte_status == 2)
multibyte_status = 1;
else
multibyte_status = 0;
}
break;
/* Chinese Big5(CP950) Support. */
case BIG5:
{
if ( multibyte_status < 2 && s > 0xA0)
multibyte_status = 2;
else if (multibyte_status == 2)
multibyte_status = 1;
else
multibyte_status = 0;
}
break;
default:
{
multibyte_status = 0;
}
}
#ifdef _DEBUG
qlog("multibyte_client_encoding = %d s = 0x%02X multibyte_stat = %d\n", multibyte_client_encoding, s, multibyte_status );
#endif
return( multibyte_status );
}

39
src/interfaces/odbc/multibyte.h Normal file
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/*
*
* Multibyte library header ( psqlODBC Only )
*
*
*/
/* PostgreSQL client encoding */
#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) */
#define SJIS 32 /* Shift JIS */
#define BIG5 33 /* Big5 */
#define WIN1250 34 /* windows-1250 */
extern int multibyte_client_encoding ; /* Multibyte client encoding. */
extern int multibyte_status ; /* Multibyte charcter status. */
void multibyte_init(void);
unsigned char *check_client_encoding(unsigned char *str);
int multibyte_char_check(unsigned char s);
unsigned char *multibyte_strchr(unsigned char *s, unsigned char c);