notmuch/lib/database-private.h

/* database-private.h - For peeking into the internals of notmuch_database_t
 *
 * Copyright © 2009 Carl Worth
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/ .
 *
 * Author: Carl Worth <cworth@cworth.org>
 */

#ifndef NOTMUCH_DATABASE_PRIVATE_H
#define NOTMUCH_DATABASE_PRIVATE_H

/* According to WG14/N1124, a C++ implementation won't provide us a
 * macro like PRIx64 (which gives a printf format string for
 * formatting a uint64_t as hexadecimal) unless we define
 * __STDC_FORMAT_MACROS before including inttypes.h. That's annoying,
 * but there it is.
 */
#define __STDC_FORMAT_MACROS
#include <inttypes.h>

#include "notmuch-private.h"

#include <xapian.h>

struct _notmuch_database {
    notmuch_bool_t exception_reported;

    char *path;

    notmuch_bool_t needs_upgrade;
    notmuch_database_mode_t mode;
    Xapian::Database *xapian_db;

    unsigned int last_doc_id;
    uint64_t last_thread_id;

    Xapian::QueryParser *query_parser;
    Xapian::TermGenerator *term_gen;
    Xapian::ValueRangeProcessor *value_range_processor;

};

/* Convert tags from Xapian internal format to notmuch format.
 *
 * The function gets a TermIterator as argument and uses that iterator to find
 * all tag terms in the object. The tags are then converted to a
 * notmuch_tags_t list and returned. The function needs to allocate memory for
 * the resulting list and it uses the argument ctx as talloc context.
 *
 * The function returns NULL on failure.
 */
notmuch_tags_t *
_notmuch_convert_tags (void *ctx, Xapian::TermIterator &i,
		       Xapian::TermIterator &end);

#endif