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PatternLayout.hh
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1 /*
2  * PatternLayout.hh
3  *
4  * Copyright 2002, Bastiaan Bakker. All rights reserved.
5  *
6  * See the COPYING file for the terms of usage and distribution.
7  */
8 
9 #ifndef _LOG4CPP_PATTERNLAYOUT_HH
10 #define _LOG4CPP_PATTERNLAYOUT_HH
11 
12 #include <log4cpp/Portability.hh>
13 #include <log4cpp/Layout.hh>
14 #include <log4cpp/Configurator.hh>
15 #include <vector>
16 #ifdef LOG4CPP_HAVE_SSTREAM
17 #include <sstream>
18 #endif
19 
20 namespace log4cpp {
21 
26  public:
30  static const char* DEFAULT_CONVERSION_PATTERN;
31 
35  static const char* SIMPLE_CONVERSION_PATTERN;
36 
40  static const char* BASIC_CONVERSION_PATTERN;
41 
46  static const char* TTCC_CONVERSION_PATTERN;
47 
48  PatternLayout();
49  virtual ~PatternLayout();
50 
51  // NOTE: All double percentage signs ('%%') followed by a character
52  // in the following comments should actually be a single char.
53  // The doubles are included so that doxygen will print them correctly.
59  virtual std::string format(const LoggingEvent& event);
60 
84  virtual void setConversionPattern(const std::string& conversionPattern)
85  throw(ConfigureFailure);
86 
87  virtual std::string getConversionPattern() const;
88 
89  virtual void clearConversionPattern();
90 
92  public:
93  inline virtual ~PatternComponent() {};
94  virtual void append(std::ostringstream& out, const LoggingEvent& event) = 0;
95  };
96 
97  private:
98  typedef std::vector<PatternComponent*> ComponentVector;
99  ComponentVector _components;
100 
101  std::string _conversionPattern;
102  };
103 }
104 
105 #endif // _LOG4CPP_PATTERNLAYOUT_HH