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| | /* thread-fp.cc - "thread:" field processor glue
*
* This file is part of notmuch.
*
* Copyright © 2018 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>
*/
#include "database-private.h"
#include "thread-fp.h"
#include <iostream>
Xapian::Query
ThreadFieldProcessor::operator() (const std::string & str)
{
notmuch_status_t status;
const char *thread_prefix = _find_prefix ("thread");
if (str.at (0) == '{') {
if (str.size () <= 1 || str.at (str.size () - 1) != '}') {
throw Xapian::QueryParserError ("missing } in '" + str + "'");
} else {
std::string subquery_str = str.substr (1, str.size () - 2);
notmuch_query_t *subquery = notmuch_query_create (notmuch, subquery_str.c_str ());
notmuch_messages_t *messages;
std::set<std::string> terms;
if (! subquery)
throw Xapian::QueryParserError ("failed to create subquery for '" + subquery_str + "'");
status = notmuch_query_search_messages (subquery, &messages);
if (status)
throw Xapian::QueryParserError ("failed to search messages for '" + subquery_str + "'");
for (; notmuch_messages_valid (messages); notmuch_messages_move_to_next (messages)) {
std::string term = thread_prefix;
notmuch_message_t *message;
message = notmuch_messages_get (messages);
term += _notmuch_message_get_thread_id_only (message);
terms.insert (term);
}
return Xapian::Query (Xapian::Query::OP_OR, terms.begin (), terms.end ());
}
} else {
/* literal thread id */
std::string term = thread_prefix + str;
return Xapian::Query (term);
}
}
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