1// Copyright 2013 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_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
6#define CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
7
8#include <string>
9#include <vector>
10
11#include "base/memory/linked_ptr.h"
12#include "chrome/browser/extensions/api/log_private/filter_handler.h"
13#include "chrome/common/extensions/api/log_private.h"
14
15namespace extensions {
16
17// This is a abstract class of parsers for different logs.
18// All the specific parsers inherit from this class.
19class LogParser {
20 public:
21  enum Error {
22    SUCCESS = 0,
23    PARSE_ERROR = -1,
24    SERIALIZE_ERROR = -2,
25    TOKENIZE_ERROR = -3
26  };
27
28  virtual ~LogParser();
29  // Parses log text into multiple LogEntry objects.
30  void Parse(
31      const std::string& input,
32      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
33      FilterHandler* filter_handler) const;
34
35 protected:
36  explicit LogParser();
37  // Parses a single line of log text into one LogEntry object.
38  virtual Error ParseEntry(
39      const std::string& input,
40      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
41      FilterHandler* filter_handler) const = 0;
42
43 private:
44  DISALLOW_COPY_AND_ASSIGN(LogParser);
45};
46
47}  // namespace extensions
48
49#endif  // CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
50