components/favicon_base/large_icon_url_parser.h

   1 // Copyright 2015 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_FAVICON_BASE_LARGE_ICON_URL_PARSER_H_
   6 #define COMPONENTS_FAVICON_BASE_LARGE_ICON_URL_PARSER_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/strings/string_piece.h"
  12
  13 // A parser for parameters to the chrome://large-icon/ host.
  14 class LargeIconUrlParser {
  15  public:
  16   LargeIconUrlParser();
  17   ~LargeIconUrlParser();
  18
  19   std::string url_string() const { return url_string_; }
  20
  21   int size_in_pixels() const { return size_in_pixels_; }
  22
  23   size_t path_index() const { return path_index_; }
  24
  25   // Parses |path|, which should be in the format described at the top of the
  26   // file "chrome/browser/ui/webui/large_icon_source.h". Note that |path| does
  27   // not have leading '/'.
  28   bool Parse(base::StringPiece path);
  29
  30  private:
  31   friend class LargeIconUrlParserTest;
  32
  33   // The page URL string of the requested large icon.
  34   std::string url_string_;
  35
  36   // The size of the requested large icon in pixels.
  37   int size_in_pixels_;
  38
  39   // The index of the first character (relative to the path) where the the URL
  40   // from which the large icon is being requested is located.
  41   size_t path_index_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(LargeIconUrlParser);
  44 };
  45
  46 #endif  // COMPONENTS_FAVICON_BASE_LARGE_ICON_URL_PARSER_H_