components/bookmarks/browser/bookmark_match.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_TITLE_MATCH_H_
   6 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_TITLE_MATCH_H_
   7
   8 #include <cstddef>
   9 #include <utility>
  10 #include <vector>
  11
  12 class BookmarkNode;
  13
  14 struct BookmarkMatch {
  15   // Each MatchPosition is the [begin, end) positions of a match within a
  16   // string.
  17   typedef std::pair<size_t, size_t> MatchPosition;
  18   typedef std::vector<MatchPosition> MatchPositions;
  19
  20   BookmarkMatch();
  21   ~BookmarkMatch();
  22
  23   // Extracts and returns the offsets from |match_positions|.
  24   static std::vector<size_t> OffsetsFromMatchPositions(
  25       const MatchPositions& match_positions);
  26
  27   // Replaces the offsets in |match_positions| with those given in |offsets|,
  28   // deleting any which are npos, and returns the updated list of match
  29   // positions.
  30   static MatchPositions ReplaceOffsetsInMatchPositions(
  31       const MatchPositions& match_positions,
  32       const std::vector<size_t>& offsets);
  33
  34   // The matching node of a query.
  35   const BookmarkNode* node;
  36
  37   // Location of the matching words in the title of the node.
  38   MatchPositions title_match_positions;
  39
  40   // Location of the matching words in the URL of the node.
  41   MatchPositions url_match_positions;
  42 };
  43
  44 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_TITLE_MATCH_H_