// Copyright 2018 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_MISC_RANGE_SET_H_
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#define CRASHPAD_UTIL_MISC_RANGE_SET_H_
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#include <map>
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#include "base/macros.h"
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#include "util/misc/address_types.h"
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namespace crashpad {
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//! \brief A set of VMAddress ranges.
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class RangeSet {
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public:
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RangeSet();
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~RangeSet();
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//! \brief Inserts a range into the set.
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//!
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//! \param[in] base The low address of the range.
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//! \param[in] size The size of the range.
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void Insert(VMAddress base, VMSize size);
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//! \brief Returns `true` if \a address falls within a range in this set.
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bool Contains(VMAddress address) const;
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private:
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// Keys are the highest address in the range. Values are the base address of
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// the range. Overlapping ranges are merged on insertion. Adjacent ranges may
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// be merged.
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std::map<VMAddress, VMAddress> ranges_;
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DISALLOW_COPY_AND_ASSIGN(RangeSet);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MISC_RANGE_SET_H_
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