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/* xapian_wrap.h -- C++ hiding wrapper API for Xapian
*
* Copyright (c) 1994-2012 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __CYRUS_IMAP_XAPIAN_WRAP__
#define __CYRUS_IMAP_XAPIAN_WRAP__
#include "message_guid.h"
#include "util.h"
#include "strarray.h"
#include "ptrarray.h"
typedef struct xapian_dbw xapian_dbw_t;
typedef struct xapian_db xapian_db_t;
typedef struct xapian_query xapian_query_t;
typedef struct xapian_snipgen xapian_snipgen_t;
typedef struct xapian_doc xapian_doc_t;
/* Document types */
#define XAPIAN_WRAP_DOCTYPE_MSG 'G'
#define XAPIAN_WRAP_DOCTYPE_PART 'P'
/* compaction interface */
extern int xapian_compact_dbs(const char *dest, const char **sources);
extern void xapian_check_if_needs_reindex(const strarray_t *sources, strarray_t *toreindex, int always_upgrade);
/* write-side interface */
#define XAPIAN_DBW_CONVINDEXED 0
#define XAPIAN_DBW_XAPINDEXED 1
extern int xapian_dbw_open(const char **paths, xapian_dbw_t **dbwp, int mode, int nosync);
extern void xapian_dbw_close(xapian_dbw_t *dbw);
extern int xapian_dbw_begin_txn(xapian_dbw_t *dbw);
extern int xapian_dbw_commit_txn(xapian_dbw_t *dbw);
extern int xapian_dbw_cancel_txn(xapian_dbw_t *dbw);
extern int xapian_dbw_begin_doc(xapian_dbw_t *dbw, const struct message_guid *guid, char doctype);
extern int xapian_dbw_doc_part(xapian_dbw_t *dbw, const struct buf *part, int num_part);
extern int xapian_dbw_end_doc(xapian_dbw_t *dbw, uint8_t indexlevel);
extern unsigned long xapian_dbw_total_length(xapian_dbw_t *dbw);
extern uint8_t xapian_dbw_is_indexed(xapian_dbw_t *dbw, const struct message_guid *guid, char doctype);
/* query-side interface */
extern int xapian_db_open(const char **paths, xapian_db_t **dbp);
extern int xapian_db_opendbw(struct xapian_dbw *dbw, xapian_db_t **dbp);
extern void xapian_db_close(xapian_db_t *);
extern void xapian_query_add_stemmer(xapian_db_t *, const char *iso_lang);
extern xapian_query_t *xapian_query_new_match(const xapian_db_t *, int num_part, const char *term);
extern xapian_query_t *xapian_query_new_compound(const xapian_db_t *, int is_or, xapian_query_t **children, int n);
extern xapian_query_t *xapian_query_new_matchall(const xapian_db_t *);
extern xapian_query_t *xapian_query_new_not(const xapian_db_t *, xapian_query_t *);
extern xapian_query_t *xapian_query_new_has_doctype(const xapian_db_t *, char doctype, xapian_query_t *);
extern void xapian_query_free(xapian_query_t *);
extern int xapian_query_run(const xapian_db_t *, const xapian_query_t *query,
int (*cb)(void *base, size_t n, void *rock), void *rock);
/* snippets interface */
extern xapian_snipgen_t *xapian_snipgen_new(xapian_db_t *db, const char *hi_start, const char *hi_end, const char *omit);
extern void xapian_snipgen_free(xapian_snipgen_t *);
extern int xapian_snipgen_add_match(xapian_snipgen_t *snipgen, const char *match);
extern int xapian_snipgen_begin_doc(xapian_snipgen_t *snipgen, const struct message_guid *guid, char doctype);
extern int xapian_snipgen_doc_part(xapian_snipgen_t *snipgen, const struct buf *part, int partnum);
extern int xapian_snipgen_end_doc(xapian_snipgen_t *snipgen, struct buf *);
/* filter interface */
extern int xapian_filter(const char *dest, const char **sources,
int (*cb)(const char *cyrusid, void *rock),
void *rock);
/* Language indexing support */
extern int xapian_db_langstats(xapian_db_t*, ptrarray_t*, size_t*);
/* Document interface */
extern xapian_doc_t *xapian_doc_new(void);
extern void xapian_doc_index_text(xapian_doc_t *doc, const char *text, size_t len);
extern size_t xapian_doc_termcount(xapian_doc_t *doc);
extern int xapian_doc_foreach_term(xapian_doc_t *doc, int(*cb)(const char*, void*), void *rock);
extern void xapian_doc_reset(xapian_doc_t *doc);
extern void xapian_doc_close(xapian_doc_t *doc);
extern const char *xapian_version_string();
#endif
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