// Copyright 2017 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TESTING_RANGE_SET_H_
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#define TESTING_RANGE_SET_H_
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#include <stddef.h>
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#include <set>
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#include <utility>
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class RangeSet {
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public:
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using Range = std::pair<size_t, size_t>;
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RangeSet();
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~RangeSet();
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bool Contains(const Range& range) const;
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void Union(const Range& range);
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void Union(const RangeSet& range_set);
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bool IsEmpty() const { return ranges().empty(); }
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void Clear() { ranges_.clear(); }
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struct range_compare {
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bool operator()(const Range& lval, const Range& rval) const {
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return lval.first < rval.first;
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}
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};
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using RangesContainer = std::set<Range, range_compare>;
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const RangesContainer& ranges() const { return ranges_; }
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private:
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Range FixDirection(const Range& range) const;
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bool IsEmptyRange(const Range& range) const;
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RangesContainer ranges_;
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};
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#endif // TESTING_RANGE_SET_H_
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