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 namespace bookmarks {
  13
  14 class BookmarkNode;
  15
  16 struct BookmarkMatch {
  17   // Each MatchPosition is the [begin, end) positions of a match within a
  18   // string.
  19   typedef std::pair<size_t, size_t> MatchPosition;
  20   typedef std::vector<MatchPosition> MatchPositions;
  21
  22   BookmarkMatch();
  23   ~BookmarkMatch();
  24
  25   // Extracts and returns the offsets from |match_positions|.
  26   static std::vector<size_t> OffsetsFromMatchPositions(
  27       const MatchPositions& match_positions);
  28
  29   // Replaces the offsets in |match_positions| with those given in |offsets|,
  30   // deleting any which are npos, and returns the updated list of match
  31   // positions.
  32   static MatchPositions ReplaceOffsetsInMatchPositions(
  33       const MatchPositions& match_positions,
  34       const std::vector<size_t>& offsets);
  35
  36   // The matching node of a query.
  37   const BookmarkNode* node;
  38
  39   // Location of the matching words in the title of the node.
  40   MatchPositions title_match_positions;
  41
  42   // Location of the matching words in the URL of the node.
  43   MatchPositions url_match_positions;
  44 };
  45
  46 }  // namespace bookmarks
  47
  48 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_TITLE_MATCH_H_