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/*
** Copyright 2000 Double Precision, Inc.
** See COPYING for distribution information.
**
** $Id: utf8_chset.c,v 1.5 2004/05/23 14:28:25 mrsam Exp $
*/
#include "unicode.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*
** UTF8.toupper/tolower/totitle is implemented by converting UTF8 to
** UCS-4, applying the unicode table lookup, then converting it back to
** UTF8
*/
static char *toupper_func(const struct unicode_info *u,
const char *cp, int *ip)
{
unicode_char *uc=unicode_utf8_tou(cp, ip), *p;
char *s;
if (!uc) return (0);
for (p=uc; *p; p++)
*p=unicode_uc(*p);
s=unicode_utf8_fromu(uc, NULL);
free(uc);
return (s);
}
static char *tolower_func(const struct unicode_info *u,
const char *cp, int *ip)
{
unicode_char *uc=unicode_utf8_tou(cp, ip), *p;
char *s;
if (!uc) return (0);
for (p=uc; *p; p++)
*p=unicode_lc(*p);
s=unicode_utf8_fromu(uc, NULL);
free(uc);
return (s);
}
static char *totitle_func(const struct unicode_info *u,
const char *cp, int *ip)
{
unicode_char *uc=unicode_utf8_tou(cp, ip), *p;
char *s;
if (!uc) return (0);
for (p=uc; *p; p++)
*p=unicode_tc(*p);
s=unicode_utf8_fromu(uc, NULL);
free(uc);
return (s);
}
static unicode_char *tou(const struct unicode_info *i, const char *p,
int *err)
{
return unicode_utf8_tou(p, err);
}
static char *fromu(const struct unicode_info *i, const unicode_char *p,
int *err)
{
return unicode_utf8_fromu(p, err);
}
const struct unicode_info unicode_UTF8 = {
"UTF-8",
UNICODE_UTF | UNICODE_MB | UNICODE_USASCII | UNICODE_HEADER_QUOPRI
| UNICODE_BODY_QUOPRI,
tou,
fromu,
toupper_func,
tolower_func,
totitle_func};
|
