/usr/include/xapian/valuesetmatchdecider.h is in libxapian-dev 1.2.16-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /** \file valuesetmatchdecider.h
* \brief MatchDecider subclass for filtering results by value.
*/
/* Copyright 2008 Lemur Consulting Limited
* Copyright 2008,2009,2011 Olly Betts
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H
#define XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H
#include <xapian/enquire.h>
#include <xapian/types.h>
#include <string>
#include <set>
namespace Xapian {
class Document;
/** MatchDecider filtering results based on whether document values are in a
* user-defined set.
*/
class XAPIAN_VISIBILITY_DEFAULT ValueSetMatchDecider : public MatchDecider {
/** Set of values to test for. */
std::set<std::string> testset;
/** The value slot to look in. */
valueno valuenum;
/** Whether to include or exclude documents with the specified values.
*
* If true, documents with a value in the set are returned.
* If false, documents with a value not in the set are returned.
*/
bool inclusive;
public:
/** Construct a ValueSetMatchDecider.
*
* @param slot The value slot number to look in.
*
* @param inclusive_ If true, match decider accepts documents which have a
* value in the specified slot which is a member of the test set; if
* false, match decider accepts documents which do not have a value in the
* specified slot.
*/
ValueSetMatchDecider(Xapian::valueno slot, bool inclusive_)
: valuenum(slot), inclusive(inclusive_) { }
/** Add a value to the test set.
*
* @param value The value to add to the test set.
*/
void add_value(const std::string& value)
{
testset.insert(value);
}
/** Remove a value from the test set.
*
* @param value The value to remove from the test set.
*/
void remove_value(const std::string& value)
{
testset.erase(value);
}
/** Decide whether we want a particular document to be in the MSet.
*
* @param doc The document to test.
* @return true if the document is acceptable, or false if the
* document should be excluded from the MSet.
*/
bool operator()(const Xapian::Document& doc) const;
};
}
#endif /* XAPIAN_INCLUDED_VALUESETMATCHDECIDER_H */
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