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b90d852a2f
This will be mandatory as of Xapian 1.5. The API is also more consistent with the FieldProcessor API, which helps code re-use a bit. Note that this switches to using the built-in Xapian support for prefixes on ranges (i.e. deleted code at beginning of ParseTimeRangeProcessor::operator(), added prefix to constructor). Another side effect of the migration is that we are generating smaller queries, using one OP_VALUE_RANGE instead of an AND of two OP_VALUE_* queries.
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/* parse-time-vrp.h - date 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 © 2012 Jani Nikula
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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: Jani Nikula <jani@nikula.org>
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*/
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#ifndef NOTMUCH_PARSE_TIME_VRP_H
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#define NOTMUCH_PARSE_TIME_VRP_H
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#include <xapian.h>
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/* see *ValueRangeProcessor in xapian-core/include/xapian/queryparser.h */
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class ParseTimeRangeProcessor : public Xapian::RangeProcessor {
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public:
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ParseTimeRangeProcessor (Xapian::valueno slot_, const std::string prefix_)
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: Xapian::RangeProcessor(slot_, prefix_, 0) { }
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Xapian::Query operator() (const std::string &begin, const std::string &end);
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};
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class DateFieldProcessor : public Xapian::FieldProcessor {
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private:
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Xapian::valueno slot;
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public:
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DateFieldProcessor(Xapian::valueno slot_) : slot(slot_) { };
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Xapian::Query operator()(const std::string & str);
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};
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#endif /* NOTMUCH_PARSE_TIME_VRP_H */
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