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/* FriBidi - Library of BiDi algorithm
* Copyright (C) 1999,2000 Dov Grobgeld, and
* Copyright (C) 2001,2002 Behdad Esfahbod.
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA
*
* For licensing issues, contact <dov@imagic.weizmann.ac.il> and
* <fwpg@sharif.edu>.
*/
#include "fribidi_config.h"
#ifndef FRIBIDI_NO_CHARSETS
#include <string.h>
#include "fribidi.h"
#define ISO_HAMZA 0xc1
#define ISO_SUKUN 0xf2
#define UNI_HAMZA 0x0621
#define UNI_SUKUN 0x0652
FriBidiChar
fribidi_iso8859_6_to_unicode_c (char sch)
{
unsigned char ch = (unsigned char) sch;
if (ch >= ISO_HAMZA && ch <= ISO_SUKUN)
return ch - ISO_HAMZA + UNI_HAMZA;
else
return ch;
}
int
fribidi_iso8859_6_to_unicode (char *s,
int len,
FriBidiChar *us)
{
int i;
for (i = 0; i < len + 1; i++)
us[i] = fribidi_iso8859_6_to_unicode_c (s[i]);
return len;
}
char
fribidi_unicode_to_iso8859_6_c (FriBidiChar uch)
{
if (uch >= UNI_HAMZA && uch <= UNI_SUKUN)
return (char) (uch - UNI_HAMZA + ISO_HAMZA);
/* TODO: handle pre-composed and presentation chars */
else if (uch < 256)
return (char) uch;
else if (uch == 0x060c)
return (char) 0xac;
else if (uch == 0x061b)
return (char) 0xbb;
else if (uch == 0x061f)
return (char) 0xbf;
else
return '¿';
}
int
fribidi_unicode_to_iso8859_6 (FriBidiChar *us,
int length,
char *s)
{
int i;
for (i = 0; i < length; i++)
s[i] = fribidi_unicode_to_iso8859_6_c (us[i]);
s[i] = 0;
return length;
}
#endif
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