hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// Copyright 2017 The Chromium 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 COMPONENTS_ZUCCHINI_HEURISTIC_ENSEMBLE_MATCHER_H_
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#define COMPONENTS_ZUCCHINI_HEURISTIC_ENSEMBLE_MATCHER_H_
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#include <ostream>
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#include "components/zucchini/buffer_view.h"
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#include "components/zucchini/ensemble_matcher.h"
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namespace zucchini {
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// An ensemble matcher that:
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// - Detects embedded elements in "old" and "new" archive files.
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// - Applies heuristics to create matched pairs.
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// It is desired to have matched pairs that:
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// - Have "reasonable" size difference (see UnsafeDifference() in the .cc file).
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// - Have "minimal distance" among other potential matched pairs.
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class HeuristicEnsembleMatcher : public EnsembleMatcher {
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public:
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explicit HeuristicEnsembleMatcher(std::ostream* out);
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HeuristicEnsembleMatcher(const HeuristicEnsembleMatcher&) = delete;
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const HeuristicEnsembleMatcher& operator=(const HeuristicEnsembleMatcher&) =
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delete;
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~HeuristicEnsembleMatcher() override;
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// EnsembleMatcher:
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bool RunMatch(ConstBufferView old_image, ConstBufferView new_image) override;
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private:
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// Optional stream to print detailed information during matching.
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std::ostream* out_ = nullptr;
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};
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} // namespace zucchini
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#endif // COMPONENTS_ZUCCHINI_HEURISTIC_ENSEMBLE_MATCHER_H_
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