1  /* FriBidi
       2   * fribidi-char-sets-iso8859-6.c - ISO8859-6 character set conversion routines
       3   *
       4   * Authors:
       5   *   Behdad Esfahbod, 2001, 2002, 2004
       6   *   Dov Grobgeld, 1999, 2000
       7   *
       8   * Copyright (C) 2004 Sharif FarsiWeb, Inc
       9   * Copyright (C) 2001,2002 Behdad Esfahbod
      10   * Copyright (C) 1999,2000 Dov Grobgeld
      11   * 
      12   * This library is free software; you can redistribute it and/or
      13   * modify it under the terms of the GNU Lesser General Public
      14   * License as published by the Free Software Foundation; either
      15   * version 2.1 of the License, or (at your option) any later version.
      16   * 
      17   * This library is distributed in the hope that it will be useful,
      18   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      19   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      20   * Lesser General Public License for more details.
      21   * 
      22   * You should have received a copy of the GNU Lesser General Public License
      23   * along with this library, in a file named COPYING; if not, write to the
      24   * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      25   * Boston, MA 02110-1301, USA
      26   * 
      27   * For licensing issues, contact <fribidi.license@gmail.com>.
      28   */
      29  
      30  #include <common.h>
      31  
      32  #include <fribidi-char-sets-iso8859-6.h>
      33  
      34  #define ISO_HAMZA		0xc1
      35  #define ISO_SUKUN		0xf2
      36  
      37  #define UNI_HAMZA		0x0621
      38  #define UNI_SUKUN		0x0652
      39  
      40  FriBidiChar
      41  fribidi_iso8859_6_to_unicode_c (
      42    /* input */
      43    char sch
      44  )
      45  {
      46    register unsigned char ch = (unsigned char) sch;
      47    if (ch >= ISO_HAMZA && ch <= ISO_SUKUN)
      48      return ch - ISO_HAMZA + UNI_HAMZA;
      49    else
      50      return ch;
      51  }
      52  
      53  char
      54  fribidi_unicode_to_iso8859_6_c (
      55    /* input */
      56    FriBidiChar uch
      57  )
      58  {
      59    if (uch >= UNI_HAMZA && uch <= UNI_SUKUN)
      60      return (char) (uch - UNI_HAMZA + ISO_HAMZA);
      61    else if (uch < 256)
      62      return (char) uch;
      63    else if (uch == 0x060c)
      64      return (char) 0xac;
      65    else if (uch == 0x061b)
      66      return (char) 0xbb;
      67    else if (uch == 0x061f)
      68      return (char) 0xbf;
      69    else
      70      return '?';
      71  }
      72  
      73  /* Editor directions:
      74   * vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
      75   */