mirror of
https://git.notmuchmail.org/git/notmuch
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83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/* lastmod-fp.cc - lastmod range query glue
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*
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* This file is part of notmuch.
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*
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* Copyright © 2022 David Bremner
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see https://www.gnu.org/licenses/ .
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*
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* Author: David Bremner <david@tethera.net>
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*/
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#include "database-private.h"
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#include "lastmod-fp.h"
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notmuch_status_t
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_notmuch_lastmod_strings_to_query (notmuch_database_t *notmuch,
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const std::string &from, const std::string &to,
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Xapian::Query &output, std::string &msg)
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{
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long from_idx = 0L, to_idx = LONG_MAX;
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long current;
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std::string str;
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/* revision should not change, but for the avoidance of doubt,
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* grab for both ends of range, if needed*/
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current = notmuch_database_get_revision (notmuch, NULL);
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try {
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if (from.empty ())
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from_idx = 0L;
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else
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from_idx = std::stol (from);
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} catch (std::logic_error &e) {
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msg = "bad 'from' revision: '" + from + "'";
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return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
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}
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if (from_idx < 0)
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from_idx += current;
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try {
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if (EMPTY_STRING (to))
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to_idx = LONG_MAX;
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else
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to_idx = std::stol (to);
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} catch (std::logic_error &e) {
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msg = "bad 'to' revision: '" + to + "'";
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return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
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}
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if (to_idx < 0)
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to_idx += current;
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output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, NOTMUCH_VALUE_LAST_MOD,
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Xapian::sortable_serialise (from_idx),
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Xapian::sortable_serialise (to_idx));
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return NOTMUCH_STATUS_SUCCESS;
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}
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Xapian::Query
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LastModRangeProcessor::operator() (const std::string &begin, const std::string &end)
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{
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Xapian::Query output;
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std::string msg;
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if (_notmuch_lastmod_strings_to_query (notmuch, begin, end, output, msg))
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throw Xapian::QueryParserError (msg);
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return output;
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}
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