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/* FriBidi
* fribidi-char-sets.c - character set conversion routines
*
* $Id: fribidi-char-sets.c,v 1.7 2006-01-31 03:23:12 behdad Exp $
* $Author: behdad $
* $Date: 2006-01-31 03:23:12 $
* $Revision: 1.7 $
* $Source: /home/behdad/src/fdo/fribidi/togit/git/../fribidi/fribidi2/charset/fribidi-char-sets.c,v $
*
* Authors:
* Behdad Esfahbod, 2001, 2002, 2004
* Dov Grobgeld, 1999, 2000
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc
* Copyright (C) 2001,2002 Behdad Esfahbod
* Copyright (C) 1999,2000 Dov Grobgeld
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library, in a file named COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA
*
* For licensing issues, contact <fribidi.license@gmail.com>.
*/
#include <common.h>
#include <fribidi-char-sets.h>
#include "fribidi-char-sets-cap-rtl.h"
#include "fribidi-char-sets-utf8.h"
#include "fribidi-char-sets-iso8859-6.h"
#include "fribidi-char-sets-cp1256.h"
#include "fribidi-char-sets-iso8859-8.h"
#include "fribidi-char-sets-cp1255.h"
typedef struct
{
FriBidiChar (
*charset_to_unicode_c
) (
char ch
);
FriBidiStrIndex (
*charset_to_unicode
) (
const char *s,
FriBidiStrIndex len,
FriBidiChar *us
);
char (
*unicode_to_charset_c
) (
FriBidiChar uch
);
FriBidiStrIndex (
*unicode_to_charset
) (
const FriBidiChar *us,
FriBidiStrIndex len,
char *s
);
const char *name;
const char *title;
const char *(
*desc
) (
void
);
}
FriBidiCharSetHandler;
static FriBidiCharSetHandler char_sets[FRIBIDI_CHAR_SETS_NUM + 1] = {
{NULL, NULL, NULL, NULL, "N/A", "Character set not available", NULL},
# define _FRIBIDI_ADD_CHAR_SET_ONE2ONE(CHAR_SET, char_set) \
{ \
fribidi_##char_set##_to_unicode_c, \
NULL, \
fribidi_unicode_to_##char_set##_c, \
NULL, \
fribidi_char_set_name_##char_set, \
fribidi_char_set_title_##char_set, \
fribidi_char_set_desc_##char_set \
},
# define _FRIBIDI_ADD_CHAR_SET_OTHERS(CHAR_SET, char_set) \
{ \
NULL, \
fribidi_##char_set##_to_unicode, \
NULL, \
fribidi_unicode_to_##char_set, \
fribidi_char_set_name_##char_set, \
fribidi_char_set_title_##char_set, \
fribidi_char_set_desc_##char_set \
},
# include <fribidi-char-sets-list.h>
# undef _FRIBIDI_ADD_CHAR_SET_OTHERS
# undef _FRIBIDI_ADD_CHAR_SET_ONE2ONE
};
static char
fribidi_toupper (
/* input */
char c
)
{
return c < 'a' || c > 'z' ? c : c + 'A' - 'a';
}
static int
fribidi_strcasecmp (
/* input */
const char *s1,
const char *s2
)
{
while (*s1 && fribidi_toupper (*s1) == fribidi_toupper (*s2))
{
s1++;
s2++;
}
return fribidi_toupper (*s1) - fribidi_toupper (*s2);
}
FRIBIDI_ENTRY FriBidiCharSet
fribidi_parse_charset (
/* input */
const char *s
)
{
int i;
for (i = FRIBIDI_CHAR_SETS_NUM; i; i--)
if (fribidi_strcasecmp (s, char_sets[i].name) == 0)
return i;
return FRIBIDI_CHAR_SET_NOT_FOUND;
}
FRIBIDI_ENTRY FriBidiStrIndex
fribidi_charset_to_unicode (
/* input */
FriBidiCharSet char_set,
const char *s,
FriBidiStrIndex len,
/* output */
FriBidiChar *us
)
{
if (char_sets[char_set].charset_to_unicode)
return (*char_sets[char_set].charset_to_unicode) (s, len, us);
else if (char_sets[char_set].charset_to_unicode_c)
{
register FriBidiStrIndex l;
for (l = len; l; l--)
*us++ = (*char_sets[char_set].charset_to_unicode_c) (*s++);
return len;
}
else
return 0;
}
FRIBIDI_ENTRY FriBidiStrIndex
fribidi_unicode_to_charset (
/* input */
FriBidiCharSet char_set,
const FriBidiChar *us,
FriBidiStrIndex len,
/* output */
char *s
)
{
if (char_sets[char_set].unicode_to_charset)
return (*char_sets[char_set].unicode_to_charset) (us, len, s);
else if (char_sets[char_set].unicode_to_charset_c)
{
register FriBidiStrIndex l;
for (l = len; l; l--)
*s++ = (*char_sets[char_set].unicode_to_charset_c) (*us++);
*s = '\0';
return len;
}
else
return 0;
}
FRIBIDI_ENTRY const char *
fribidi_char_set_name (
/* input */
FriBidiCharSet char_set
)
{
return char_sets[char_set].name ? char_sets[char_set].name : "";
}
FRIBIDI_ENTRY const char *
fribidi_char_set_title (
/* input */
FriBidiCharSet char_set
)
{
return char_sets[char_set].title ? char_sets[char_set].
title : fribidi_char_set_name (char_set);
}
FRIBIDI_ENTRY const char *
fribidi_char_set_desc (
/* input */
FriBidiCharSet char_set
)
{
return char_sets[char_set].desc ? char_sets[char_set].desc () : NULL;
}
/* Editor directions:
* vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
*/
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