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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"
/* The following are proposed extensions to iso-8859-8. */
#define ISO_8859_8_LRM 253
#define ISO_8859_8_RLM 254
#define ISO_8859_8_LRE 251
#define ISO_8859_8_RLE 252
#define ISO_8859_8_PDF 221
#define ISO_8859_8_LRO 219
#define ISO_8859_8_RLO 220
#define ISO_ALEF 224
#define ISO_TAV 250
#define UNI_ALEF 0x05D0
#define UNI_TAV 0x05EA
FriBidiChar
fribidi_iso8859_8_to_unicode_c (char sch)
{
unsigned char ch = (unsigned char) sch;
/* optimization */
if (ch < ISO_8859_8_LRO)
return ch;
else if (ch >= ISO_ALEF && ch <= ISO_TAV)
return ch - ISO_ALEF + UNI_ALEF;
switch (ch)
{
case ISO_8859_8_RLM:
return UNI_RLM;
case ISO_8859_8_LRM:
return UNI_LRM;
case ISO_8859_8_RLO:
return UNI_RLO;
case ISO_8859_8_LRO:
return UNI_LRO;
case ISO_8859_8_RLE:
return UNI_RLE;
case ISO_8859_8_LRE:
return UNI_LRE;
case ISO_8859_8_PDF:
return UNI_PDF;
default:
return '?'; /* This shouldn't happen! */
}
}
int
fribidi_iso8859_8_to_unicode (char *s, int len, FriBidiChar *us)
{
int i;
for (i = 0; i < len + 1; i++)
us[i] = fribidi_iso8859_8_to_unicode_c (s[i]);
return len;
}
char
fribidi_unicode_to_iso8859_8_c (FriBidiChar uch)
{
if (uch < 128)
return (char) uch;
if (uch >= UNI_ALEF && uch <= UNI_TAV)
return (char) (uch - UNI_ALEF + ISO_ALEF);
switch (uch)
{
case UNI_RLM:
return (char) ISO_8859_8_RLM;
case UNI_LRM:
return (char) ISO_8859_8_LRM;
case UNI_RLO:
return (char) ISO_8859_8_RLO;
case UNI_LRO:
return (char) ISO_8859_8_LRO;
case UNI_RLE:
return (char) ISO_8859_8_RLE;
case UNI_LRE:
return (char) ISO_8859_8_LRE;
case UNI_PDF:
return (char) ISO_8859_8_PDF;
}
return '¿';
}
int
fribidi_unicode_to_iso8859_8 (FriBidiChar *us, int length, char *s)
{
int i;
for (i = 0; i < length; i++)
s[i] = fribidi_unicode_to_iso8859_8_c (us[i]);
s[i] = 0;
return length;
}
#endif
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