workbench/libs/codesets/developer/examples/DetectCodeset.c

   1 /***************************************************************************
   2
   3  codesets.library - Amiga shared library for handling different codesets
   4  Copyright (C) 2001-2005 by Alfonso [alfie] Ranieri <alforan@tin.it>.
   5  Copyright (C) 2005-2014 codesets.library Open Source Team
   6
   7  This library is free software; you can redistribute it and/or
   8  modify it under the terms of the GNU Lesser General Public
   9  License as published by the Free Software Foundation; either
  10  version 2.1 of the License, or (at your option) any later version.
  11
  12  This library is distributed in the hope that it will be useful,
  13  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  Lesser General Public License for more details.
  16
  17  codesets.library project: http://sourceforge.net/projects/codesetslib/
  18
  19  Most of the code included in this file was relicensed from GPL to LGPL
  20  from the source code of SimpleMail (http://www.sf.net/projects/simplemail)
  21  with full permissions by its authors.
  22
  23  $Id$
  24
  25 ***************************************************************************/
  26
  27 #include <proto/exec.h>
  28 #include <proto/codesets.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 #define ISO8859_1_STR "Schmöre bröd, schmöre bröd, bröd bröd bräd."
  33 #define CP1251_STR    "1251 êîäèðîâêà äëÿ ïðèìåðà."
  34 #define ASCII_STR     "latin 1 bla bla bla."
  35 #define KOI8R_STR     "koi îÅ×ÏÚÍÏÖÎÏ ÐÅÒÅËÏÄÉÒÏ×ÁÔØ ÉÚ ËÏÄÉÒÏ×ËÉ"
  36
  37 struct Library *CodesetsBase = NULL;
  38 #if defined(__amigaos4__)
  39 struct CodesetsIFace* ICodesets = NULL;
  40 #endif
  41
  42 #if defined(__amigaos4__)
  43 #define GETINTERFACE(iface, base)       (iface = (APTR)GetInterface((struct Library *)(base), "main", 1L, NULL))
  44 #define DROPINTERFACE(iface)                    (DropInterface((struct Interface *)iface), iface = NULL)
  45 #else
  46 #define GETINTERFACE(iface, base)       TRUE
  47 #define DROPINTERFACE(iface)
  48 #endif
  49
  50 int main(void)
  51 {
  52   int res;
  53
  54   if((CodesetsBase = OpenLibrary(CODESETSNAME,CODESETSVER)) &&
  55       GETINTERFACE(ICodesets, CodesetsBase))
  56   {
  57     IPTR errNum = 0;
  58     struct codeset *cs;
  59
  60     if((cs = CodesetsFindBest(CSA_Source, (IPTR)ISO8859_1_STR,
  61                               CSA_ErrPtr, (IPTR)&errNum,
  62                               TAG_DONE)))
  63     {
  64       printf("Identified ISO8859_1_STR as %s with %d of %d errors\n", cs->name, (int)errNum, (int)strlen(ISO8859_1_STR));
  65     }
  66     else
  67       printf("couldn't identify ISO8859_1_STR!\n");
  68
  69     if((cs = CodesetsFindBest(CSA_Source, (IPTR)CP1251_STR,
  70                               CSA_ErrPtr, (IPTR)&errNum,
  71                               CSA_CodesetFamily, CSV_CodesetFamily_Cyrillic,
  72                               TAG_DONE)))
  73     {
  74       printf("Identified CP1251_STR as %s with %d of %d errors\n", cs->name, (int)errNum, (int)strlen(CP1251_STR));
  75     }
  76     else
  77       printf("couldn't identify CP1251_STR!\n");
  78
  79     if((cs = CodesetsFindBest(CSA_Source, (IPTR)ASCII_STR,
  80                               CSA_ErrPtr, (IPTR)&errNum,
  81                               CSA_CodesetFamily, CSV_CodesetFamily_Cyrillic,
  82                               TAG_DONE)))
  83     {
  84       printf("Identified ASCII_STR as %s with %d of %d errors\n", cs->name, (int)errNum, (int)strlen(ASCII_STR));
  85     }
  86     else
  87       printf("couldn't identify ASCII_STR!\n");
  88
  89     if((cs = CodesetsFindBest(CSA_Source, (IPTR)KOI8R_STR,
  90                               CSA_ErrPtr, (IPTR)&errNum,
  91                               CSA_CodesetFamily, CSV_CodesetFamily_Cyrillic,
  92                               TAG_DONE)))
  93     {
  94       printf("Identified KOI8R_STR as %s with %d of %d errors\n", cs->name, (int)errNum, (int)strlen(KOI8R_STR));
  95     }
  96     else
  97       printf("couldn't identify KOI8R_STR!\n");
  98
  99     res = 0;
 100
 101     DROPINTERFACE(ICodesets);
 102     CloseLibrary(CodesetsBase);
 103     CodesetsBase = NULL;
 104   }
 105   else
 106   {
 107     printf("can't open %s %d+\n",CODESETSNAME,CODESETSVER);
 108     res = 20;
 109   }
 110
 111   return res;
 112 }