components/bookmarks/browser/titled_url_match.h

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_BOOKMARKS_BROWSER_TITLED_URL_MATCH_H_
#define COMPONENTS_BOOKMARKS_BROWSER_TITLED_URL_MATCH_H_

#include <stddef.h>

#include <cstddef>
#include <utility>
#include <vector>

namespace bookmarks {

class TitledUrlNode;

struct TitledUrlMatch {
  // Each MatchPosition is the [begin, end) positions of a match within a
  // string.
  using MatchPosition = std::pair<size_t, size_t>;
  using MatchPositions = std::vector<MatchPosition>;

  TitledUrlMatch();
  TitledUrlMatch(const TitledUrlMatch& other);
  ~TitledUrlMatch();

  // Extracts and returns the offsets from |match_positions|.
  static std::vector<size_t> OffsetsFromMatchPositions(
      const MatchPositions& match_positions);

  // Replaces the offsets in |match_positions| with those given in |offsets|,
  // deleting any which are npos, and returns the updated list of match
  // positions.
  static MatchPositions ReplaceOffsetsInMatchPositions(
      const MatchPositions& match_positions,
      const std::vector<size_t>& offsets);

  // The matching node of a query.
  const TitledUrlNode* node;

  // Location of the matching words in the title of the node.
  MatchPositions title_match_positions;

  // Location of the matching words in the URL of the node.
  MatchPositions url_match_positions;
};

}  // namespace bookmarks

#endif  // COMPONENTS_BOOKMARKS_BROWSER_TITLED_URL_MATCH_H_