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Data Structures | Functions | Variables
utf8_and_win.c File Reference
#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"
#include "../../Unicode/utf8_to_win1250.map"
#include "../../Unicode/utf8_to_win1251.map"
#include "../../Unicode/utf8_to_win1252.map"
#include "../../Unicode/utf8_to_win1253.map"
#include "../../Unicode/utf8_to_win1254.map"
#include "../../Unicode/utf8_to_win1255.map"
#include "../../Unicode/utf8_to_win1256.map"
#include "../../Unicode/utf8_to_win1257.map"
#include "../../Unicode/utf8_to_win1258.map"
#include "../../Unicode/utf8_to_win866.map"
#include "../../Unicode/utf8_to_win874.map"
#include "../../Unicode/win1250_to_utf8.map"
#include "../../Unicode/win1251_to_utf8.map"
#include "../../Unicode/win1252_to_utf8.map"
#include "../../Unicode/win1253_to_utf8.map"
#include "../../Unicode/win1254_to_utf8.map"
#include "../../Unicode/win1255_to_utf8.map"
#include "../../Unicode/win1256_to_utf8.map"
#include "../../Unicode/win1257_to_utf8.map"
#include "../../Unicode/win866_to_utf8.map"
#include "../../Unicode/win874_to_utf8.map"
#include "../../Unicode/win1258_to_utf8.map"
Include dependency graph for utf8_and_win.c:

Go to the source code of this file.

Data Structures

struct  pg_conv_map
 

Functions

 PG_MODULE_MAGIC_EXT (.name="utf8_and_win",.version=PG_VERSION)
 
 PG_FUNCTION_INFO_V1 (win_to_utf8)
 
 PG_FUNCTION_INFO_V1 (utf8_to_win)
 
Datum win_to_utf8 (PG_FUNCTION_ARGS)
 
Datum utf8_to_win (PG_FUNCTION_ARGS)
 

Variables

static const pg_conv_map maps []
 

Function Documentation

◆ PG_FUNCTION_INFO_V1() [1/2]

PG_FUNCTION_INFO_V1 ( utf8_to_win  )

◆ PG_FUNCTION_INFO_V1() [2/2]

PG_FUNCTION_INFO_V1 ( win_to_utf8  )

◆ PG_MODULE_MAGIC_EXT()

PG_MODULE_MAGIC_EXT ( .  name = "utf8_and_win",
.  version = PG_VERSION 
)

◆ utf8_to_win()

Datum utf8_to_win ( PG_FUNCTION_ARGS  )

Definition at line 120 of file utf8_and_win.c.

121{
122 int encoding = PG_GETARG_INT32(1);
123 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
124 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
125 int len = PG_GETARG_INT32(4);
126 bool noError = PG_GETARG_BOOL(5);
127 int i;
128
129 CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, -1);
130
131 for (i = 0; i < lengthof(maps); i++)
132 {
133 if (encoding == maps[i].encoding)
134 {
135 int converted;
136
137 converted = UtfToLocal(src, len, dest,
138 maps[i].map2,
139 NULL, 0,
140 NULL,
141 encoding,
142 noError);
143 PG_RETURN_INT32(converted);
144 }
145 }
146
147 ereport(ERROR,
148 (errcode(ERRCODE_INTERNAL_ERROR),
149 errmsg("unexpected encoding ID %d for WIN character sets",
150 encoding)));
151
152 PG_RETURN_INT32(0);
153}
lengthof
#define lengthof(array)
Definition c.h:803
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
errcode
int errcode(int sqlerrcode)
Definition elog.c:863
errmsg
int errmsg(const char *fmt,...)
Definition elog.c:1080
ERROR
#define ERROR
Definition elog.h:39
ereport
#define ereport(elevel,...)
Definition elog.h:150
PG_GETARG_CSTRING
#define PG_GETARG_CSTRING(n)
Definition fmgr.h:278
PG_RETURN_INT32
#define PG_RETURN_INT32(x)
Definition fmgr.h:355
PG_GETARG_INT32
#define PG_GETARG_INT32(n)
Definition fmgr.h:269
PG_GETARG_BOOL
#define PG_GETARG_BOOL(n)
Definition fmgr.h:274
encoding
static char * encoding
Definition initdb.c:139
i
int i
Definition isn.c:77
PG_UTF8
#define PG_UTF8
Definition mbprint.c:43
generate_unaccent_rules.dest
dest
Definition generate_unaccent_rules.py:285
len
const void size_t len
Definition pg_crc32c_sse42.c:28
CHECK_ENCODING_CONVERSION_ARGS
#define CHECK_ENCODING_CONVERSION_ARGS(srcencoding, destencoding)
Definition pg_wchar.h:507
fb
static int fb(int x)
Definition preproc-init.c:92
maps
static const pg_conv_map maps[]
Definition utf8_and_win.c:69

References CHECK_ENCODING_CONVERSION_ARGS, encoding, ereport, errcode(), errmsg(), ERROR, fb(), i, len, lengthof, maps, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, PG_UTF8, and UtfToLocal().

◆ win_to_utf8()

Datum win_to_utf8 ( PG_FUNCTION_ARGS  )

Definition at line 84 of file utf8_and_win.c.

85{
86 int encoding = PG_GETARG_INT32(0);
87 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
88 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
89 int len = PG_GETARG_INT32(4);
90 bool noError = PG_GETARG_BOOL(5);
91 int i;
92
93 CHECK_ENCODING_CONVERSION_ARGS(-1, PG_UTF8);
94
95 for (i = 0; i < lengthof(maps); i++)
96 {
97 if (encoding == maps[i].encoding)
98 {
99 int converted;
100
101 converted = LocalToUtf(src, len, dest,
102 maps[i].map1,
103 NULL, 0,
104 NULL,
105 encoding,
106 noError);
107 PG_RETURN_INT32(converted);
108 }
109 }
110
111 ereport(ERROR,
112 (errcode(ERRCODE_INTERNAL_ERROR),
113 errmsg("unexpected encoding ID %d for WIN character sets",
114 encoding)));
115
116 PG_RETURN_INT32(0);
117}
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

References CHECK_ENCODING_CONVERSION_ARGS, encoding, ereport, errcode(), errmsg(), ERROR, fb(), i, len, lengthof, LocalToUtf(), maps, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, and PG_UTF8.

Variable Documentation

◆ maps

const pg_conv_map maps[]
static
Initial value:
= {
{PG_WIN866, &win866_to_unicode_tree, &win866_from_unicode_tree},
{PG_WIN874, &win874_to_unicode_tree, &win874_from_unicode_tree},
{PG_WIN1250, &win1250_to_unicode_tree, &win1250_from_unicode_tree},
{PG_WIN1251, &win1251_to_unicode_tree, &win1251_from_unicode_tree},
{PG_WIN1252, &win1252_to_unicode_tree, &win1252_from_unicode_tree},
{PG_WIN1253, &win1253_to_unicode_tree, &win1253_from_unicode_tree},
{PG_WIN1254, &win1254_to_unicode_tree, &win1254_from_unicode_tree},
{PG_WIN1255, &win1255_to_unicode_tree, &win1255_from_unicode_tree},
{PG_WIN1256, &win1256_to_unicode_tree, &win1256_from_unicode_tree},
{PG_WIN1257, &win1257_to_unicode_tree, &win1257_from_unicode_tree},
{PG_WIN1258, &win1258_to_unicode_tree, &win1258_from_unicode_tree},
}
PG_WIN1254
@ PG_WIN1254
Definition pg_wchar.h:257
PG_WIN1253
@ PG_WIN1253
Definition pg_wchar.h:256
PG_WIN1250
@ PG_WIN1250
Definition pg_wchar.h:255
PG_WIN1256
@ PG_WIN1256
Definition pg_wchar.h:244
PG_WIN1258
@ PG_WIN1258
Definition pg_wchar.h:245
PG_WIN1252
@ PG_WIN1252
Definition pg_wchar.h:250
PG_WIN1255
@ PG_WIN1255
Definition pg_wchar.h:258
PG_WIN1257
@ PG_WIN1257
Definition pg_wchar.h:259
PG_WIN1251
@ PG_WIN1251
Definition pg_wchar.h:249
PG_WIN866
@ PG_WIN866
Definition pg_wchar.h:246
PG_WIN874
@ PG_WIN874
Definition pg_wchar.h:247

Definition at line 69 of file utf8_and_win.c.

69 {
70 {PG_WIN866, &win866_to_unicode_tree, &win866_from_unicode_tree},
71 {PG_WIN874, &win874_to_unicode_tree, &win874_from_unicode_tree},
72 {PG_WIN1250, &win1250_to_unicode_tree, &win1250_from_unicode_tree},
73 {PG_WIN1251, &win1251_to_unicode_tree, &win1251_from_unicode_tree},
74 {PG_WIN1252, &win1252_to_unicode_tree, &win1252_from_unicode_tree},
75 {PG_WIN1253, &win1253_to_unicode_tree, &win1253_from_unicode_tree},
76 {PG_WIN1254, &win1254_to_unicode_tree, &win1254_from_unicode_tree},
77 {PG_WIN1255, &win1255_to_unicode_tree, &win1255_from_unicode_tree},
78 {PG_WIN1256, &win1256_to_unicode_tree, &win1256_from_unicode_tree},
79 {PG_WIN1257, &win1257_to_unicode_tree, &win1257_from_unicode_tree},
80 {PG_WIN1258, &win1258_to_unicode_tree, &win1258_from_unicode_tree},
81};

Referenced by utf8_to_win(), and win_to_utf8().