Header And Logo
|
#include "postgres.h"#include "fmgr.h"#include "mb/pg_wchar.h"
Go to the source code of this file.
Defines | |
| #define | ENCODING_GROWTH_RATE 4 |
Functions | |
| PG_FUNCTION_INFO_V1 (euc_tw_to_big5) | |
| PG_FUNCTION_INFO_V1 (big5_to_euc_tw) | |
| PG_FUNCTION_INFO_V1 (euc_tw_to_mic) | |
| PG_FUNCTION_INFO_V1 (mic_to_euc_tw) | |
| PG_FUNCTION_INFO_V1 (big5_to_mic) | |
| PG_FUNCTION_INFO_V1 (mic_to_big5) | |
| Datum | euc_tw_to_big5 (PG_FUNCTION_ARGS) |
| Datum | big5_to_euc_tw (PG_FUNCTION_ARGS) |
| Datum | euc_tw_to_mic (PG_FUNCTION_ARGS) |
| Datum | mic_to_euc_tw (PG_FUNCTION_ARGS) |
| Datum | big5_to_mic (PG_FUNCTION_ARGS) |
| Datum | mic_to_big5 (PG_FUNCTION_ARGS) |
| static void | big52mic (const unsigned char *big5, unsigned char *p, int len) |
| static void | mic2big5 (const unsigned char *mic, unsigned char *p, int len) |
| static void | euc_tw2mic (const unsigned char *euc, unsigned char *p, int len) |
| static void | mic2euc_tw (const unsigned char *mic, unsigned char *p, int len) |
Variables | |
| PG_MODULE_MAGIC | |
| #define ENCODING_GROWTH_RATE 4 |
Definition at line 18 of file euc_tw_and_big5.c.
Referenced by big5_to_euc_tw(), and euc_tw_to_big5().
| static void big52mic | ( | const unsigned char * | big5, | |
| unsigned char * | p, | |||
| int | len | |||
| ) | [static] |
Definition at line 260 of file euc_tw_and_big5.c.
References BIG5toCNS(), IS_HIGHBIT_SET, LC_CNS11643_3, LC_CNS11643_4, PG_BIG5, pg_encoding_verifymb(), PG_MULE_INTERNAL, report_invalid_encoding(), and report_untranslatable_char().
Referenced by big5_to_euc_tw(), and big5_to_mic().
{
unsigned short c1;
unsigned short big5buf,
cnsBuf;
unsigned char lc;
int l;
while (len > 0)
{
c1 = *big5;
if (!IS_HIGHBIT_SET(c1))
{
/* ASCII */
if (c1 == 0)
report_invalid_encoding(PG_BIG5,
(const char *) big5, len);
*p++ = c1;
big5++;
len--;
continue;
}
l = pg_encoding_verifymb(PG_BIG5, (const char *) big5, len);
if (l < 0)
report_invalid_encoding(PG_BIG5,
(const char *) big5, len);
big5buf = (c1 << 8) | big5[1];
cnsBuf = BIG5toCNS(big5buf, &lc);
if (lc != 0)
{
/* Planes 3 and 4 are MULE private charsets */
if (lc == LC_CNS11643_3 || lc == LC_CNS11643_4)
*p++ = LCPRV2_B;
*p++ = lc; /* Plane No. */
*p++ = (cnsBuf >> 8) & 0x00ff;
*p++ = cnsBuf & 0x00ff;
}
else
report_untranslatable_char(PG_BIG5, PG_MULE_INTERNAL,
(const char *) big5, len);
big5 += l;
len -= l;
}
*p = '\0';
}
| Datum big5_to_euc_tw | ( | PG_FUNCTION_ARGS | ) |
Definition at line 71 of file euc_tw_and_big5.c.
References big52mic(), buf, CHECK_ENCODING_CONVERSION_ARGS, ENCODING_GROWTH_RATE, mic2euc_tw(), palloc(), pfree(), PG_BIG5, PG_EUC_TW, PG_GETARG_CSTRING, PG_GETARG_INT32, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
unsigned char *buf;
CHECK_ENCODING_CONVERSION_ARGS(PG_BIG5, PG_EUC_TW);
buf = palloc(len * ENCODING_GROWTH_RATE + 1);
big52mic(src, buf, len);
mic2euc_tw(buf, dest, strlen((char *) buf));
pfree(buf);
PG_RETURN_VOID();
}
| Datum big5_to_mic | ( | PG_FUNCTION_ARGS | ) |
Definition at line 117 of file euc_tw_and_big5.c.
References big52mic(), CHECK_ENCODING_CONVERSION_ARGS, PG_BIG5, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
CHECK_ENCODING_CONVERSION_ARGS(PG_BIG5, PG_MULE_INTERNAL);
big52mic(src, dest, len);
PG_RETURN_VOID();
}
| static void euc_tw2mic | ( | const unsigned char * | euc, | |
| unsigned char * | p, | |||
| int | len | |||
| ) | [static] |
Definition at line 148 of file euc_tw_and_big5.c.
References IS_HIGHBIT_SET, pg_encoding_verifymb(), PG_EUC_TW, report_invalid_encoding(), and SS2.
Referenced by euc_tw_to_big5(), and euc_tw_to_mic().
{
int c1;
int l;
while (len > 0)
{
c1 = *euc;
if (IS_HIGHBIT_SET(c1))
{
l = pg_encoding_verifymb(PG_EUC_TW, (const char *) euc, len);
if (l < 0)
report_invalid_encoding(PG_EUC_TW,
(const char *) euc, len);
if (c1 == SS2)
{
c1 = euc[1]; /* plane No. */
if (c1 == 0xa1)
*p++ = LC_CNS11643_1;
else if (c1 == 0xa2)
*p++ = LC_CNS11643_2;
else
{
/* other planes are MULE private charsets */
*p++ = LCPRV2_B;
*p++ = c1 - 0xa3 + LC_CNS11643_3;
}
*p++ = euc[2];
*p++ = euc[3];
}
else
{ /* CNS11643-1 */
*p++ = LC_CNS11643_1;
*p++ = c1;
*p++ = euc[1];
}
euc += l;
len -= l;
}
else
{ /* should be ASCII */
if (c1 == 0)
report_invalid_encoding(PG_EUC_TW,
(const char *) euc, len);
*p++ = c1;
euc++;
len--;
}
}
*p = '\0';
}
| Datum euc_tw_to_big5 | ( | PG_FUNCTION_ARGS | ) |
Definition at line 53 of file euc_tw_and_big5.c.
References buf, CHECK_ENCODING_CONVERSION_ARGS, ENCODING_GROWTH_RATE, euc_tw2mic(), mic2big5(), palloc(), pfree(), PG_BIG5, PG_EUC_TW, PG_GETARG_CSTRING, PG_GETARG_INT32, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
unsigned char *buf;
CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_TW, PG_BIG5);
buf = palloc(len * ENCODING_GROWTH_RATE + 1);
euc_tw2mic(src, buf, len);
mic2big5(buf, dest, strlen((char *) buf));
pfree(buf);
PG_RETURN_VOID();
}
| Datum euc_tw_to_mic | ( | PG_FUNCTION_ARGS | ) |
Definition at line 89 of file euc_tw_and_big5.c.
References CHECK_ENCODING_CONVERSION_ARGS, euc_tw2mic(), PG_EUC_TW, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_TW, PG_MULE_INTERNAL);
euc_tw2mic(src, dest, len);
PG_RETURN_VOID();
}
| static void mic2big5 | ( | const unsigned char * | mic, | |
| unsigned char * | p, | |||
| int | len | |||
| ) | [static] |
Definition at line 310 of file euc_tw_and_big5.c.
References CNStoBIG5(), IS_HIGHBIT_SET, LC_CNS11643_1, LC_CNS11643_2, LCPRV2_B, PG_BIG5, pg_encoding_verifymb(), PG_MULE_INTERNAL, report_invalid_encoding(), and report_untranslatable_char().
Referenced by euc_tw_to_big5(), and mic_to_big5().
{
unsigned short c1;
unsigned short big5buf,
cnsBuf;
int l;
while (len > 0)
{
c1 = *mic;
if (!IS_HIGHBIT_SET(c1))
{
/* ASCII */
if (c1 == 0)
report_invalid_encoding(PG_MULE_INTERNAL,
(const char *) mic, len);
*p++ = c1;
mic++;
len--;
continue;
}
l = pg_encoding_verifymb(PG_MULE_INTERNAL, (const char *) mic, len);
if (l < 0)
report_invalid_encoding(PG_MULE_INTERNAL,
(const char *) mic, len);
if (c1 == LC_CNS11643_1 || c1 == LC_CNS11643_2 || c1 == LCPRV2_B)
{
if (c1 == LCPRV2_B)
{
c1 = mic[1]; /* get plane no. */
cnsBuf = (mic[2] << 8) | mic[3];
}
else
{
cnsBuf = (mic[1] << 8) | mic[2];
}
big5buf = CNStoBIG5(cnsBuf, c1);
if (big5buf == 0)
report_untranslatable_char(PG_MULE_INTERNAL, PG_BIG5,
(const char *) mic, len);
*p++ = (big5buf >> 8) & 0x00ff;
*p++ = big5buf & 0x00ff;
}
else
report_untranslatable_char(PG_MULE_INTERNAL, PG_BIG5,
(const char *) mic, len);
mic += l;
len -= l;
}
*p = '\0';
}
| static void mic2euc_tw | ( | const unsigned char * | mic, | |
| unsigned char * | p, | |||
| int | len | |||
| ) | [static] |
Definition at line 204 of file euc_tw_and_big5.c.
References IS_HIGHBIT_SET, LC_CNS11643_1, LC_CNS11643_2, LC_CNS11643_3, LC_CNS11643_7, LCPRV2_B, pg_encoding_verifymb(), PG_EUC_TW, PG_MULE_INTERNAL, report_invalid_encoding(), and report_untranslatable_char().
Referenced by big5_to_euc_tw(), and mic_to_euc_tw().
{
int c1;
int l;
while (len > 0)
{
c1 = *mic;
if (!IS_HIGHBIT_SET(c1))
{
/* ASCII */
if (c1 == 0)
report_invalid_encoding(PG_MULE_INTERNAL,
(const char *) mic, len);
*p++ = c1;
mic++;
len--;
continue;
}
l = pg_encoding_verifymb(PG_MULE_INTERNAL, (const char *) mic, len);
if (l < 0)
report_invalid_encoding(PG_MULE_INTERNAL,
(const char *) mic, len);
if (c1 == LC_CNS11643_1)
{
*p++ = mic[1];
*p++ = mic[2];
}
else if (c1 == LC_CNS11643_2)
{
*p++ = SS2;
*p++ = 0xa2;
*p++ = mic[1];
*p++ = mic[2];
}
else if (c1 == LCPRV2_B &&
mic[1] >= LC_CNS11643_3 && mic[1] <= LC_CNS11643_7)
{
*p++ = SS2;
*p++ = mic[1] - LC_CNS11643_3 + 0xa3;
*p++ = mic[2];
*p++ = mic[3];
}
else
report_untranslatable_char(PG_MULE_INTERNAL, PG_EUC_TW,
(const char *) mic, len);
mic += l;
len -= l;
}
*p = '\0';
}
| Datum mic_to_big5 | ( | PG_FUNCTION_ARGS | ) |
Definition at line 131 of file euc_tw_and_big5.c.
References CHECK_ENCODING_CONVERSION_ARGS, mic2big5(), PG_BIG5, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_BIG5);
mic2big5(src, dest, len);
PG_RETURN_VOID();
}
| Datum mic_to_euc_tw | ( | PG_FUNCTION_ARGS | ) |
Definition at line 103 of file euc_tw_and_big5.c.
References CHECK_ENCODING_CONVERSION_ARGS, mic2euc_tw(), PG_EUC_TW, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_VOID.
{
unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
int len = PG_GETARG_INT32(4);
CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_EUC_TW);
mic2euc_tw(src, dest, len);
PG_RETURN_VOID();
}
| PG_FUNCTION_INFO_V1 | ( | euc_tw_to_mic | ) |
| PG_FUNCTION_INFO_V1 | ( | mic_to_euc_tw | ) |
| PG_FUNCTION_INFO_V1 | ( | big5_to_mic | ) |
| PG_FUNCTION_INFO_V1 | ( | mic_to_big5 | ) |
| PG_FUNCTION_INFO_V1 | ( | big5_to_euc_tw | ) |
| PG_FUNCTION_INFO_V1 | ( | euc_tw_to_big5 | ) |
Definition at line 20 of file euc_tw_and_big5.c.
1.7.1