index/zaptterm.c

   1 /* This file is part of the Zebra server.
   2    Copyright (C) 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 #if HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23 #include <stdio.h>
  24 #include <assert.h>
  25 #include <ctype.h>
  26
  27 #include <yaz/diagbib1.h>
  28 #include "index.h"
  29 #include <charmap.h>
  30
  31 /* convert APT search term to UTF8 */
  32 ZEBRA_RES zapt_term_to_utf8(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
  33                             char *termz)
  34 {
  35     size_t sizez;
  36     Z_Term *term = zapt->term;
  37
  38     switch (term->which)
  39     {
  40     case Z_Term_general:
  41         if (zh->iconv_to_utf8 != 0)
  42         {
  43             char *inbuf = (char *) term->u.general->buf;
  44             size_t inleft = term->u.general->len;
  45             char *outbuf = termz;
  46             size_t outleft = IT_MAX_WORD-1;
  47             size_t ret;
  48
  49             ret = yaz_iconv(zh->iconv_to_utf8, &inbuf, &inleft,
  50                         &outbuf, &outleft);
  51             if (ret == (size_t)(-1))
  52             {
  53                 int iconv_error = yaz_iconv_error(zh->iconv_to_utf8);
  54
  55                 ret = yaz_iconv(zh->iconv_to_utf8, 0, 0, 0, 0);
  56                 zebra_setError(
  57                     zh,
  58                     iconv_error == YAZ_ICONV_E2BIG ?
  59                     YAZ_BIB1_TOO_MANY_CHARS_IN_SEARCH_STATEMENT :
  60                     YAZ_BIB1_QUERY_TERM_INCLUDES_CHARS_THAT_DO_NOT_TRANSLATE_INTO_,
  61                     0);
  62                 return ZEBRA_FAIL;
  63             }
  64             yaz_iconv(zh->iconv_to_utf8, 0, 0, &outbuf, &outleft);
  65             *outbuf = 0;
  66         }
  67         else
  68         {
  69             sizez = term->u.general->len;
  70             if (sizez > IT_MAX_WORD-1)
  71                 sizez = IT_MAX_WORD-1;
  72             memcpy (termz, term->u.general->buf, sizez);
  73             termz[sizez] = '\0';
  74         }
  75         break;
  76     case Z_Term_characterString:
  77         sizez = strlen(term->u.characterString);
  78         if (sizez > IT_MAX_WORD-1)
  79             sizez = IT_MAX_WORD-1;
  80         memcpy (termz, term->u.characterString, sizez);
  81         termz[sizez] = '\0';
  82         break;
  83     default:
  84         zebra_setError(zh, YAZ_BIB1_UNSUPP_CODED_VALUE_FOR_TERM, 0);
  85         return ZEBRA_FAIL;
  86     }
  87     return ZEBRA_OK;
  88 }
  89 /*
  90  * Local variables:
  91  * c-basic-offset: 4
  92  * c-file-style: "Stroustrup"
  93  * indent-tabs-mode: nil
  94  * End:
  95  * vim: shiftwidth=4 tabstop=8 expandtab
  96  */
  97