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      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_
     50