/* Copyright 2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "lcn_pools.h"
#include "lcn_query.h"

#include <apr_tables.h>

#ifndef _LCN_SEARCHER_H
#define _LCN_SEARCHER_H

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct lcn_searcher_t lcn_searcher_t;

/* XXX temporarily declared here, will move eventually */
typedef struct lcn_filter_t lcn_filter_t;
typedef struct lcn_sort_t lcn_sort_t;

lcn_error_t *
lcn_index_searcher_open (lcn_searcher_t **searcher,
                         const char *path,
                         apr_pool_t *pool);

lcn_error_t *
lcn_index_searcher_close (lcn_searcher_t *searcher);

/* XXX should replace the array with a real hits interface, to avoid pulling
 * tons of stuff into ram. */
lcn_error_t *
lcn_searcher_search (apr_array_header_t **hits,
                     lcn_searcher_t *searcher,
                     lcn_query_t *query,
                     lcn_filter_t *filter,
                     lcn_sort_t *sort,
                     apr_pool_t *pool);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _LCN_SEARCHER_H */