/* 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 */ #include "database-private.h" #include "parse-time-vrp.h" #include "parse-time-string.h" notmuch_status_t _notmuch_date_strings_to_query (Xapian::valueno slot, const std::string &begin, const std::string &end, Xapian::Query &output, std::string &msg) { 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"; 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_BAD_QUERY_SYNTAX; } 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_BAD_QUERY_SYNTAX; } 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; std::string msg; if (_notmuch_date_strings_to_query (slot, begin, end, output, msg)) throw Xapian::QueryParserError (msg); return output; } /* XXX TODO: is throwing an exception the right thing to do here? */ Xapian::Query DateFieldProcessor::operator() (const std::string & str) { 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) throw Xapian::QueryParserError ("Unable to get current time"); if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_DOWN)) throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'"); else from = (double) parsed_time; if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_UP_INCLUSIVE)) throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'"); else to = (double) parsed_time; return Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot, Xapian::sortable_serialise (from), Xapian::sortable_serialise (to)); }