1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2009 Index Data
3 * See the file LICENSE for details.
6 /** \file query-charset.c
7 \brief converts General Terms in RPN queries
13 #include <yaz/query-charset.h>
14 #include <yaz/wrbuf.h>
16 static int yaz_query_charset_convert_buf(char *buf_in, int len_in,
17 char **buf_out, int *len_out,
18 ODR o, WRBUF wrbuf, yaz_iconv_t cd)
22 wrbuf_iconv_write(wrbuf, cd, buf_in, len_in);
23 wrbuf_iconv_reset(wrbuf, cd);
25 *len_out = wrbuf_len(wrbuf);
27 { /* we assume conversion failed */
35 *buf_out = (char*) odr_malloc(o, *len_out);
36 memcpy(*buf_out, wrbuf_buf(wrbuf), *len_out);
41 static int yaz_query_charset_convert_term(Z_Term *q,
42 ODR o, WRBUF wrbuf, yaz_iconv_t cd)
48 r = yaz_query_charset_convert_buf(
49 (char *) q->u.general->buf, q->u.general->len,
50 (char **) &q->u.general->buf, &q->u.general->len, o, wrbuf, cd);
56 static int yaz_query_charset_convert_operand(Z_Operand *q,
57 ODR o, WRBUF wrbuf, yaz_iconv_t cd)
63 r = yaz_query_charset_convert_term(q->u.attributesPlusTerm->term,
66 case Z_Operand_resultSetId:
68 case Z_Operand_resultAttr:
74 static int yaz_query_charset_convert_structure(Z_RPNStructure *q,
81 case Z_RPNStructure_simple:
82 r = yaz_query_charset_convert_operand(q->u.simple, o, wrbuf, cd);
84 case Z_RPNStructure_complex:
85 r = yaz_query_charset_convert_structure(q->u.complex->s1, o, wrbuf, cd);
87 r = yaz_query_charset_convert_structure(
88 q->u.complex->s2, o, wrbuf, cd);
94 int yaz_query_charset_convert_rpnquery_check(Z_RPNQuery *q,
95 ODR o, yaz_iconv_t cd)
98 WRBUF wrbuf = wrbuf_alloc();
99 r = yaz_query_charset_convert_structure(q->RPNStructure, o, wrbuf, cd);
100 wrbuf_destroy(wrbuf);
104 void yaz_query_charset_convert_rpnquery(Z_RPNQuery *q,
105 ODR o, yaz_iconv_t cd)
107 WRBUF wrbuf = wrbuf_alloc();
108 yaz_query_charset_convert_structure(q->RPNStructure, o, wrbuf, cd);
109 wrbuf_destroy(wrbuf);
112 void yaz_query_charset_convert_apt(Z_AttributesPlusTerm *apt,
113 ODR o, yaz_iconv_t cd)
115 WRBUF wrbuf = wrbuf_alloc();
116 yaz_query_charset_convert_term(apt->term, o, wrbuf, cd);
117 wrbuf_destroy(wrbuf);
123 * c-file-style: "Stroustrup"
124 * indent-tabs-mode: nil
126 * vim: shiftwidth=4 tabstop=8 expandtab