index/zaptterm.c

   1 /* This file is part of the Zebra server.
   2    Copyright (C) 1994-2010 Index Data
   3
   4 Zebra is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 */
  19
  20 #include <stdio.h>
  21 #include <assert.h>
  22 #include <ctype.h>
  23
  24 #include <yaz/diagbib1.h>
  25 #include "index.h"
  26 #include <charmap.h>
  27
  28 /* convert APT search term to UTF8 */
  29 ZEBRA_RES zapt_term_to_utf8(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
  30                             char *termz)
  31 {
  32     size_t sizez;
  33     Z_Term *term = zapt->term;
  34
  35     switch (term->which)
  36     {
  37     case Z_Term_general:
  38         if (zh->iconv_to_utf8 != 0)
  39         {
  40             char *inbuf = (char *) term->u.general->buf;
  41             size_t inleft = term->u.general->len;
  42             char *outbuf = termz;
  43             size_t outleft = IT_MAX_WORD-1;
  44             size_t ret;
  45
  46             ret = yaz_iconv(zh->iconv_to_utf8, &inbuf, &inleft,
  47                         &outbuf, &outleft);
  48             if (ret == (size_t)(-1))
  49             {
  50                 ret = yaz_iconv(zh->iconv_to_utf8, 0, 0, 0, 0);
  51                 zebra_setError(
  52                     zh,
  53                     YAZ_BIB1_QUERY_TERM_INCLUDES_CHARS_THAT_DO_NOT_TRANSLATE_INTO_,
  54                     0);
  55                 return ZEBRA_FAIL;
  56             }
  57             yaz_iconv(zh->iconv_to_utf8, 0, 0, &outbuf, &outleft);
  58             *outbuf = 0;
  59         }
  60         else
  61         {
  62             sizez = term->u.general->len;
  63             if (sizez > IT_MAX_WORD-1)
  64                 sizez = IT_MAX_WORD-1;
  65             memcpy (termz, term->u.general->buf, sizez);
  66             termz[sizez] = '\0';
  67         }
  68         break;
  69     case Z_Term_characterString:
  70         sizez = strlen(term->u.characterString);
  71         if (sizez > IT_MAX_WORD-1)
  72             sizez = IT_MAX_WORD-1;
  73         memcpy (termz, term->u.characterString, sizez);
  74         termz[sizez] = '\0';
  75         break;
  76     default:
  77         zebra_setError(zh, YAZ_BIB1_UNSUPP_CODED_VALUE_FOR_TERM, 0);
  78         return ZEBRA_FAIL;
  79     }
  80     return ZEBRA_OK;
  81 }
  82 /*
  83  * Local variables:
  84  * c-basic-offset: 4
  85  * c-file-style: "Stroustrup"
  86  * indent-tabs-mode: nil
  87  * End:
  88  * vim: shiftwidth=4 tabstop=8 expandtab
  89  */
  90