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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"
notmuch_status_t
_notmuch_time_range_to_query (Xapian::valueno slot, const std::string &begin, const std::string &end,
std::string &msg, Xapian::Query &output)
{
double from = DBL_MIN, to = DBL_MAX;
time_t parsed_time, now;
std::string str;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1) {
msg = "unable to get current time";
/* XXX Give a better status value */
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
}
if (! begin.empty ()) {
if (parse_time_string (begin.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_DOWN)) {
msg = "Didn't understand date specification '" + begin + "'";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
} else
from = (double) parsed_time;
}
if (! end.empty ()) {
if (end == "!" && ! begin.empty ())
str = begin;
else
str = end;
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_UP_INCLUSIVE)) {
msg = "Didn't understand date specification '" + str + "'";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
} else
to = (double) parsed_time;
}
output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot,
Xapian::sortable_serialise (from),
Xapian::sortable_serialise (to));
return NOTMUCH_STATUS_SUCCESS;
}
Xapian::Query
ParseTimeRangeProcessor::operator() (const std::string &begin, const std::string &end)
{
Xapian::Query output;
notmuch_status_t status;
std::string msg;
status = _notmuch_time_range_to_query (slot, begin, end, msg, output);
if (status)
throw Xapian::QueryParserError (msg);
return output;
}
notmuch_status_t
_notmuch_time_string_to_query (Xapian::valueno slot, const std::string &str,
std::string &msg, Xapian::Query &output)
{
double from = DBL_MIN, to = DBL_MAX;
time_t parsed_time, now;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1) {
msg = "Unable to get current time";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
}
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_DOWN)) {
msg = "Didn't understand date specification '" + str + "'";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
} else
from = (double) parsed_time;
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_UP_INCLUSIVE)) {
msg = "Didn't understand date specification '" + str + "'";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
} else
to = (double) parsed_time;
output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot,
Xapian::sortable_serialise (from),
Xapian::sortable_serialise (to));
return NOTMUCH_STATUS_SUCCESS;
}
/* XXX TODO: is throwing an exception the right thing to do here? */
Xapian::Query
DateFieldProcessor::operator() (const std::string & str)
{
Xapian::Query output;
notmuch_status_t status;
std::string msg;
status = _notmuch_time_string_to_query (slot, str, msg, output);
if (status)
throw Xapian::QueryParserError (msg);
return output;
}
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