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| | /* parse-time-vrp.cc - date range query glue
*
* This file is part of notmuch.
*
* Copyright © 2012 Jani Nikula
*
* 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: Jani Nikula <jani@nikula.org>
*/
#include "database-private.h"
#include "parse-time-vrp.h"
#include "parse-time-string.h"
static Xapian::Query _make_query (Xapian::valueno slot, time_t from, time_t to) {
if (to < 0) {
return Xapian::Query (Xapian::Query::OP_VALUE_GE, slot,
Xapian::sortable_serialise ((double) from));
} else if (from < 0) {
return Xapian::Query (Xapian::Query::OP_VALUE_LE, slot,
Xapian::sortable_serialise ((double) to));
} else {
return Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot,
Xapian::sortable_serialise ((double) from),
Xapian::sortable_serialise ((double) to));
}
}
Xapian::Query
ParseTimeRangeProcessor::operator() (const std::string &begin, const std::string &end)
{
time_t from = -1, to = -1, now = -1;
std::string str;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1)
throw Xapian::QueryParserError ("unable to get current time");
if (!begin.empty ())
if (parse_time_string (begin.c_str (), &from, &now, PARSE_TIME_ROUND_DOWN))
throw Xapian::QueryParserError ("Didn't understand date specification '" + begin + "'");
if (!end.empty ()) {
if (end == "!" && ! begin.empty ())
str = begin;
else
str = end;
if (parse_time_string (str.c_str (), &to, &now, PARSE_TIME_ROUND_UP_INCLUSIVE))
if (parse_time_string (str.c_str (), &to, &now, PARSE_TIME_ROUND_UP_INCLUSIVE))
throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");
}
return _make_query (slot, from, to);
}
/* XXX TODO: is throwing an exception the right thing to do here? */
Xapian::Query DateFieldProcessor::operator()(const std::string & str) {
time_t from, to, now;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1)
throw Xapian::QueryParserError("Unable to get current time");
if (parse_time_string (str.c_str (), &from, &now, PARSE_TIME_ROUND_DOWN))
throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");
if (parse_time_string (str.c_str (), &to, &now, PARSE_TIME_ROUND_UP_INCLUSIVE))
throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");
return _make_query (slot, from, to);
}
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