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Functions | Variables
utf8_and_gbk.c File Reference
#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"
#include "../../Unicode/gbk_to_utf8.map"
#include "../../Unicode/utf8_to_gbk.map"
Include dependency graph for utf8_and_gbk.c:

Go to the source code of this file.

Functions

 PG_FUNCTION_INFO_V1 (gbk_to_utf8)
 
 PG_FUNCTION_INFO_V1 (utf8_to_gbk)
 
Datum gbk_to_utf8 (PG_FUNCTION_ARGS)
 
Datum utf8_to_gbk (PG_FUNCTION_ARGS)
 

Variables

 PG_MODULE_MAGIC
 

Function Documentation

◆ gbk_to_utf8()

Datum gbk_to_utf8 ( PG_FUNCTION_ARGS  )

Definition at line 39 of file utf8_and_gbk.c.

40 {
41  unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
42  unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
43  int len = PG_GETARG_INT32(4);
44  bool noError = PG_GETARG_BOOL(5);
45  int converted;
46 
47  CHECK_ENCODING_CONVERSION_ARGS(PG_GBK, PG_UTF8);
48 
49  converted = LocalToUtf(src, len, dest,
50  &gbk_to_unicode_tree,
51  NULL, 0,
52  NULL,
53  PG_GBK,
54  noError);
55 
56  PG_RETURN_INT32(converted);
57 }
LocalToUtf
int LocalToUtf(const unsigned char *iso, int len, unsigned char *utf, const pg_mb_radix_tree *map, const pg_local_to_utf_combined *cmap, int cmapsize, utf_local_conversion_func conv_func, int encoding, bool noError)
Definition: conv.c:717
PG_GETARG_CSTRING
#define PG_GETARG_CSTRING(n)
Definition: fmgr.h:277
PG_RETURN_INT32
#define PG_RETURN_INT32(x)
Definition: fmgr.h:354
PG_GETARG_INT32
#define PG_GETARG_INT32(n)
Definition: fmgr.h:269
PG_GETARG_BOOL
#define PG_GETARG_BOOL(n)
Definition: fmgr.h:274
generate_unaccent_rules.dest
dest
Definition: generate_unaccent_rules.py:280
len
const void size_t len
Definition: pg_crc32c_sse42.c:24
PG_GBK
@ PG_GBK
Definition: pg_wchar.h:266
PG_UTF8
@ PG_UTF8
Definition: pg_wchar.h:232
CHECK_ENCODING_CONVERSION_ARGS
#define CHECK_ENCODING_CONVERSION_ARGS(srcencoding, destencoding)
Definition: pg_wchar.h:507

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, LocalToUtf(), PG_GBK, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, and PG_UTF8.

◆ PG_FUNCTION_INFO_V1() [1/2]

PG_FUNCTION_INFO_V1 ( gbk_to_utf8  )

◆ PG_FUNCTION_INFO_V1() [2/2]

PG_FUNCTION_INFO_V1 ( utf8_to_gbk  )

◆ utf8_to_gbk()

Datum utf8_to_gbk ( PG_FUNCTION_ARGS  )

Definition at line 60 of file utf8_and_gbk.c.

61 {
62  unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
63  unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
64  int len = PG_GETARG_INT32(4);
65  bool noError = PG_GETARG_BOOL(5);
66  int converted;
67 
68  CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, PG_GBK);
69 
70  converted = UtfToLocal(src, len, dest,
71  &gbk_from_unicode_tree,
72  NULL, 0,
73  NULL,
74  PG_GBK,
75  noError);
76 
77  PG_RETURN_INT32(converted);
78 }
UtfToLocal
int UtfToLocal(const unsigned char *utf, int len, unsigned char *iso, const pg_mb_radix_tree *map, const pg_utf_to_local_combined *cmap, int cmapsize, utf_local_conversion_func conv_func, int encoding, bool noError)
Definition: conv.c:507

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, PG_GBK, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, PG_UTF8, and UtfToLocal().

Variable Documentation

◆ PG_MODULE_MAGIC

PG_MODULE_MAGIC

Definition at line 20 of file utf8_and_gbk.c.