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 119 of file utf8_and_win.c.

{
    int         encoding = PG_GETARG_INT32(1);
    unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
    unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
    int         len = PG_GETARG_INT32(4);
    bool        noError = PG_GETARG_BOOL(5);
 
    CHECK_ENCODING_CONVERSION_ARGS(PG_UTF8, -1);
 
    for (size_t i = 0; i < lengthof(maps); i++)
    {
        if (encoding == maps[i].encoding)
        {
            int         converted;
 
            converted = UtfToLocal(src, len, dest,
                                   maps[i].map2,
                                   NULL, 0,
                                   NULL,
                                   encoding,
                                   noError);
            PG_RETURN_INT32(converted);
        }
    }
 
    ereport(ERROR,
            (errcode(ERRCODE_INTERNAL_ERROR),
             errmsg("unexpected encoding ID %d for WIN character sets",
                    encoding)));
 
    PG_RETURN_INT32(0);
}

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.

{
    int         encoding = PG_GETARG_INT32(0);
    unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
    unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
    int         len = PG_GETARG_INT32(4);
    bool        noError = PG_GETARG_BOOL(5);
 
    CHECK_ENCODING_CONVERSION_ARGS(-1, PG_UTF8);
 
    for (size_t i = 0; i < lengthof(maps); i++)
    {
        if (encoding == maps[i].encoding)
        {
            int         converted;
 
            converted = LocalToUtf(src, len, dest,
                                   maps[i].map1,
                                   NULL, 0,
                                   NULL,
                                   encoding,
                                   noError);
            PG_RETURN_INT32(converted);
        }
    }
 
    ereport(ERROR,
            (errcode(ERRCODE_INTERNAL_ERROR),
             errmsg("unexpected encoding ID %d for WIN character sets",
                    encoding)));
 
    PG_RETURN_INT32(0);
}

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},
}

Definition at line 69 of file utf8_and_win.c.

                                  {
    {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},
};

Referenced by utf8_to_win(), and win_to_utf8().