/usr/include/buffy/utils/consumer.h is in libbuffy-dev 1.9.2-2.
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 | #ifndef BUFFY_UTILS_CONSUMER_H
#define BUFFY_UTILS_CONSUMER_H
/*
* Consumer and filter interfaces
*
* Copyright (C) 2003--2008 Enrico Zini <enrico@debian.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
namespace buffy {
template<class ITEM>
class Consumer
{
public:
virtual ~Consumer() {}
virtual void consume(ITEM&) = 0;
};
template<class ITEM>
class Matcher
{
public:
virtual ~Matcher() {}
virtual bool match(ITEM& item) const
{
return true;
}
};
template<class ITEM>
class Filter : public Consumer<ITEM>
{
protected:
Consumer<ITEM>& next;
public:
Filter<ITEM>(Consumer<ITEM>& next) : next(next) {}
virtual void consume(ITEM& item)
{
next.consume(item);
}
};
template<class ITEM>
class MatcherFilter : public Filter<ITEM>
{
protected:
Matcher<ITEM>& matcher;
public:
MatcherFilter<ITEM>(Matcher<ITEM>& matcher, Consumer<ITEM>& next) throw ()
: Filter<ITEM>(next), matcher(matcher) {}
virtual void consume(ITEM& item)
{
if (matcher.match(item))
this->next.consume(item);
}
};
}
// vim:set ts=4 sw=4:
#endif
|