chrome/browser/parsers/metadata_parser_manager.h

   1 // Copyright (c) 2011 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 CHROME_BROWSER_PARSERS_METADATA_PARSER_MANAGER_H_
   6 #define CHROME_BROWSER_PARSERS_METADATA_PARSER_MANAGER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_vector.h"
  10
  11 class MetadataParserFactory;
  12 class MetadataParser;
  13
  14 namespace base {
  15 class FilePath;
  16 }
  17
  18 // Metadata Parser manager is used to find the correct parser for a
  19 // given file.  Allows parsers to register themselves.
  20 class MetadataParserManager {
  21  public:
  22   // Creates a new MetadataParserManager.
  23   MetadataParserManager();
  24   ~MetadataParserManager();
  25
  26   // Gets the singleton
  27   static MetadataParserManager* GetInstance();
  28
  29   // Adds a new Parser to the manager, when requests come in for a parser
  30   // the manager will loop through the list of parsers, and query each.
  31   bool RegisterParserFactory(MetadataParserFactory* parser);
  32
  33   // Returns a new metadata parser for a given file.
  34   MetadataParser* GetParserForFile(const base::FilePath& path);
  35
  36  private:
  37   ScopedVector<MetadataParserFactory> factories_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(MetadataParserManager);
  40 };
  41
  42 #endif  // CHROME_BROWSER_PARSERS_METADATA_PARSER_MANAGER_H_