fribidi_main.c

来自「share BIDI DEMO code」· C语言 代码 · 共 106 行

/* 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.
 */

/*======================================================================
//  A main program for fribidi.
//
//  Dov Grobgeld
//----------------------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <glib.h>
#include "fribidi.h"

#define CASE(s) if(!strcmp(S_, s))

void die(gchar *fmt, ...)
{
    va_list ap;
    va_start(ap,fmt); 
    
    vfprintf(stderr, fmt, ap);
    exit(-1);
}

#define UNI_ALEF 0x05D0
#define UNI_TAV 0x05EA

void charset_to_unicode(gint char_set,
			guchar *s,
			/* output */
			FriBidiChar *us,
			int *length
			)
{
  int i;
  int len = strlen(s);

  if (char_set == 0)
    {
      /* Convert A-Z into hebrew characters */
      for (i=0; i<len+1; i++)
	{
	  guchar ch = s[i];

	  if (ch >= 'A' && ch <= 'Z')
	    us[i] = ch - 'A' + UNI_ALEF;
	  else
	    us[i] = s[i];
	}
    }
  else if (char_set == FRIBIDI_CHARSET_8859_6)
      fribidi_iso8859_6_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_8859_8)
      fribidi_iso8859_8_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_8859_6)
      fribidi_iso8859_6_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_ISIRI_3342)
      fribidi_isiri_3342_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_CP1255)
      fribidi_cp1255_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_CP1256)
      fribidi_cp1256_to_unicode(s, us);
  else if (char_set == FRIBIDI_CHARSET_UTF8)
      *length = fribidi_utf8_to_unicode(s, us);
  else
    die("Sorry! Not implemented!\n");
}

void unicode_to_charset(gint char_set,
			FriBidiChar *us,
			int length,
			/* output */
			gchar *s)
{
  if (char_set == 0)
    {
      /* Convert hebrew characters into A-Z */
      int i = 0;
      
      while(us[i])
	{
	  FriBidiChar ch = us[i];
	  if (ch >= UNI_ALEF && ch <= UNI_TAV)
	    s[i] = ch-UNI_ALEF+'A';
	  else if (us[i] < 256)
	    s[i] = us[i];
	  else
	    s[i] = '