/* This file is part of the YAZ toolkit.
* Copyright (C) Index Data.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Index Data nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file
\brief Header for RPN to CQL tranform
*/
#ifndef RPN2CQL_H_INCLUDED
#define RPN2CQL_H_INCLUDED
#include <yaz/z-core.h>
#include <yaz/cql.h>
#include <yaz/wrbuf.h>
YAZ_BEGIN_CDECL
/** \brief transforms RPN query to CQL output stream (re-entrant)
\param ct CQL transform handle
\param addinfo for additional error info
\param pr print function
\param client_data opaque data to be passed to print handler
\param q RPN Query
\retval 0 success
\retval !=0 failure (error code)
*/
YAZ_EXPORT
int cql_transform_rpn2cql_stream_r(cql_transform_t ct,
WRBUF addinfo,
void (*pr)(const char *buf,
void *client_data),
void *client_data,
Z_RPNQuery *q);
/** \brief transforms RPN query to CQL output stream (NOT re-entrant)
\param ct CQL transform handle
\param pr print function
\param client_data opaque data to be passed to print handler
\param q RPN Query
\retval 0 success
\retval !=0 failure (error code)
*/
YAZ_EXPORT
int cql_transform_rpn2cql_stream(cql_transform_t ct,
void (*pr)(const char *buf, void *client_data),
void *client_data,
Z_RPNQuery *q);
/** \brief transforms RPN query to CQL WRBUF (NOT re-entrant)
\param ct CQL transform handle
\param w WRBUF handle for result
\param q RPN Query
\retval 0 success
\retval !=0 failure (error code)
*/
YAZ_EXPORT
int cql_transform_rpn2cql_wrbuf(cql_transform_t ct, WRBUF w, Z_RPNQuery *q);
/** \brief find a pattern that has a subset of attributes
\param ct CQL transform handle
\param category pattern category
\param attributes RPN attributes
\returns pattern value or NULL if not found
*/
YAZ_EXPORT
const char *cql_lookup_reverse(cql_transform_t ct,
const char *category,
Z_AttributeList *attributes);
YAZ_END_CDECL
#endif
/* CQL_H_INCLUDED */
/*
* Local variables:
* c-basic-offset: 4
* c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/