1// Copyright (c) 2010 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_FILEBASE_H_
6#define CHROME_BROWSER_PARSERS_METADATA_PARSER_FILEBASE_H_
7#pragma once
8
9#include <string>
10
11#include "base/basictypes.h"
12#include "base/file_path.h"
13#include "base/hash_tables.h"
14#include "chrome/browser/parsers/metadata_parser.h"
15
16typedef base::hash_map<std::string, std::string> PropertyMap;
17
18// Parser for the file type. Allows for parsing of files, and gets
19// properties associated with files.
20class FileMetadataParser : public MetadataParser {
21 public:
22  explicit FileMetadataParser(const FilePath& path);
23
24  virtual ~FileMetadataParser();
25
26  // Implementation of MetadataParser
27  virtual bool Parse();
28  virtual bool GetProperty(const std::string& key, std::string* value);
29
30  virtual MetadataPropertyIterator* GetPropertyIterator();
31
32 protected:
33  PropertyMap properties_;
34  FilePath path_;
35
36 private:
37  DISALLOW_COPY_AND_ASSIGN(FileMetadataParser);
38};
39
40class FileMetadataPropertyIterator : public MetadataPropertyIterator {
41 public:
42  explicit FileMetadataPropertyIterator(PropertyMap& properties);
43
44  virtual ~FileMetadataPropertyIterator();
45
46  // Implementation of MetadataPropertyIterator
47  virtual bool GetNext(std::string* key, std::string* value);
48  virtual int Length();
49  virtual bool IsEnd();
50
51 private:
52  PropertyMap& properties_;
53  PropertyMap::iterator it;
54
55  DISALLOW_COPY_AND_ASSIGN(FileMetadataPropertyIterator);
56};
57
58#endif  // CHROME_BROWSER_PARSERS_METADATA_PARSER_FILEBASE_H_
59