1 /* $Id: charset-converter.cpp,v 1.6 2007-03-20 07:54:27 adam Exp $
2 Copyright (c) 1998-2006, Index Data.
4 This file is part of the yazproxy.
6 YAZ proxy is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with YAZ proxy; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #include <yaz/proto.h>
26 Yaz_CharsetConverter::Yaz_CharsetConverter()
28 m_wrbuf = wrbuf_alloc();
29 m_target_query_charset = 0;
30 m_client_query_charset = 0;
31 m_client_charset_selected = 0;
34 Yaz_CharsetConverter::~Yaz_CharsetConverter()
36 wrbuf_destroy(m_wrbuf);
37 xfree(m_target_query_charset);
38 xfree(m_client_query_charset);
41 const char *Yaz_CharsetConverter::get_target_query_charset()
43 return m_target_query_charset;
46 void Yaz_CharsetConverter::set_target_query_charset(const char *s)
48 xfree(m_target_query_charset);
49 m_target_query_charset = 0;
51 m_target_query_charset = xstrdup(s);
54 void Yaz_CharsetConverter::set_client_query_charset(const char *s)
56 xfree(m_client_query_charset);
57 m_client_query_charset = 0;
59 m_client_query_charset = xstrdup(s);
62 const char *Yaz_CharsetConverter::get_client_query_charset()
64 return m_client_query_charset;
67 void Yaz_CharsetConverter::set_client_charset_selected(int sel)
69 m_client_charset_selected = sel;
72 int Yaz_CharsetConverter::get_client_charset_selected()
74 return m_client_charset_selected;
77 void Yaz_CharsetConverter::convert_type_1(char *buf_in, int len_in,
78 char **buf_out, int *len_out,
81 wrbuf_rewind(m_wrbuf);
82 wrbuf_iconv_write(m_wrbuf, m_ct, buf_in, len_in);
84 *len_out = wrbuf_len(m_wrbuf);
86 { // we assume conversion failed
92 *buf_out = (char*) odr_malloc(o, *len_out);
93 memcpy(*buf_out, wrbuf_buf(m_wrbuf), *len_out);
97 void Yaz_CharsetConverter::convert_type_1(Z_Term *q, ODR o)
102 convert_type_1((char *) q->u.general->buf, q->u.general->len,
103 (char **) &q->u.general->buf, &q->u.general->len, o);
108 void Yaz_CharsetConverter::convert_type_1(Z_Operand *q, ODR o)
113 convert_type_1(q->u.attributesPlusTerm->term, o);
115 case Z_Operand_resultSetId:
117 case Z_Operand_resultAttr:
122 void Yaz_CharsetConverter::convert_type_1(Z_RPNStructure *q, ODR o)
126 case Z_RPNStructure_simple:
127 convert_type_1(q->u.simple, o);
129 case Z_RPNStructure_complex:
130 convert_type_1(q->u.complex->s1, o);
131 convert_type_1(q->u.complex->s2, o);
136 void Yaz_CharsetConverter::convert_type_1(Z_RPNQuery *q, ODR o)
138 if (m_target_query_charset && m_client_query_charset)
140 m_ct = yaz_iconv_open(m_target_query_charset,
141 m_client_query_charset);
144 convert_type_1(q->RPNStructure, o);
145 yaz_iconv_close(m_ct);
152 * indent-tabs-mode: nil
154 * vim: shiftwidth=4 tabstop=8 expandtab