notmuch/lib/lastmod-fp.h
David Bremner 2e5ef69fbf lib: add field processor for lastmod: prefix
By sharing the existing logic used by the sexp query parser, this
allows negative lastmod revisions to be interpreted as relative to the
most recent revision.
2022-09-03 08:43:33 -03:00

41 lines
1.3 KiB
C++

/* lastmod-fp.h - database revision query glue
*
* This file is part of notmuch.
*
* Copyright © 2022 David Bremner
*
* 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 https://www.gnu.org/licenses/ .
*
* Author: David Bremner <david@tethera.net>
*/
#ifndef NOTMUCH_LASTMOD_FP_H
#define NOTMUCH_LASTMOD_FP_H
#include <xapian.h>
class LastModRangeProcessor : public Xapian::RangeProcessor {
protected:
notmuch_database_t *notmuch;
public:
LastModRangeProcessor (notmuch_database_t *notmuch_, const std::string prefix_)
: Xapian::RangeProcessor (NOTMUCH_VALUE_LAST_MOD, prefix_, 0), notmuch (notmuch_)
{
}
Xapian::Query operator() (const std::string &begin, const std::string &end);
};
#endif /* NOTMUCH_LASTMOD_FP_H */