fribidi_char_sets.c

share BIDI DEMO code

/* FriBidi - Library of BiDi algorithm
 * Copyright (C) 1999 Dov Grobgeld
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#include "fribidi.h"

#define ISO_ALEF 224
#define ISO_TAV 250

/* 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 UNI_ALEF 0x05D0
#define UNI_TAV 0x05EA
#define UNI_LRM 0x200E
#define UNI_RLM 0x200F
#define UNI_LRE 0x202a
#define UNI_RLE 0x202b
#define UNI_PDF 0x202c
#define UNI_LRO 0x202d
#define UNI_RLO 0x202e

#define CP1255_SHEVA 0xC0
#define UNI_SHEVA 0x05B0
#define CP1255_SOF_PASUQ 0xD3
#define UNI_SOF_PASUQ 0x05C3
#define CP1255_DOUBLE_VAV 0xD4
#define UNI_DOUBLE_VAV 0x05F0
#define CP1255_GERSHAYIM 0xD8
#define UNI_GERSHAYIM 0x05F4

#define ISO_HAMZA 0xc1
#define ISO_SUKUN 0xf2
#define UNI_HAMZA 0x0621
#define UNI_SUKUN 0x0652

#define CP1256_DAD 0xD6
#define UNI_DAD 0x0636

FriBidiChar
fribidi_iso8859_8_to_unicode_c(guchar ch)
{
  /* 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! */
    }
}

guchar
fribidi_unicode_to_iso8859_8_c(FriBidiChar uch)
{
  if (uch<128)
    return uch;
  if (uch >= UNI_ALEF && uch <= UNI_TAV)
    return (guchar)(uch-UNI_ALEF+ISO_ALEF);
  switch (uch) {
    case UNI_RLM: return ISO_8859_8_RLM;
    case UNI_LRM: return ISO_8859_8_LRM;
    case UNI_RLO: return ISO_8859_8_RLO;
    case UNI_LRO: return ISO_8859_8_LRO;
    case UNI_RLE: return ISO_8859_8_RLE;
    case UNI_LRE: return ISO_8859_8_LRE;
    case UNI_PDF: return ISO_8859_8_PDF;
  }
  return '