thin-provisioning-tools/persistent-data/span.h

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// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
//
// thin-provisioning-tools 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.
//
// thin-provisioning-tools 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 thin-provisioning-tools. If not, see
// <http://www.gnu.org/licenses/>.
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#ifndef RUN_LIST_H
#define RUN_LIST_H
#include <set>
//----------------------------------------------------------------
namespace base {
template <typename T>
struct run {
run(T const &b, T const &e)
: b_(b),
e_(e) {
}
bool operator< (run const &rhs) const {
return b_ < rhs.b_;
}
T b_, e_;
};
template <typename T>
class run_list {
public:
run_list()
: invert_(false) {
}
void add_run(T const &b, T const &e);
void sub_run(T const &b, T const &e);
bool in_run(T const &key) const;
void invert();
void add(run_list<T> const &rl);
void sub(run_list<T> const &rl);
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typedef std::set<run<T> >::const_iterator const_iterator;
const_iterator begin() const;
const_iterator end() const;
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private:
bool in_run_(T const &key) const;
bool invert_;
std::set<run<T> > runs_;
};
}
//----------------------------------------------------------------
#include "run_list.tcc"
#endif