chrome/browser/extensions/api/log_private/log_parser.h

   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
  15 namespace extensions {
  16
  17 // This is a abstract class of parsers for different logs.
  18 // All the specific parsers inherit from this class.
  19 class 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_