A class implementing a logging system. More...
#include <logger.hpp>
Public Types | |
typedef log_stream | stream_type |
typedef std::list< stream_type * > | stream_list_type |
Public Member Functions | |
CLAW_LOGGER_EXPORT | log_system () |
Default constructor. | |
CLAW_LOGGER_EXPORT | ~log_system () |
Destructor. | |
CLAW_LOGGER_EXPORT void | clear () |
Delete the streams. | |
CLAW_LOGGER_EXPORT void | merge (stream_type *s) |
Add an other output stream. | |
CLAW_LOGGER_EXPORT void | remove (const stream_type *s) |
Remove a stream. | |
CLAW_LOGGER_EXPORT void | set (stream_type *s) |
Set the output stream. | |
CLAW_LOGGER_EXPORT void | set_level (int lvl) |
Change the level of log. | |
CLAW_LOGGER_EXPORT void | set_level (const log_level &lvl) |
Change the level of log. | |
CLAW_LOGGER_EXPORT void | flush () |
Flush all log streams. | |
template<typename T > | |
log_system & | operator<< (const T &that) |
Log something. | |
CLAW_LOGGER_EXPORT log_system & | operator<< (const log_level &that) |
Change the level of the next mesasges. | |
CLAW_LOGGER_EXPORT log_system & | operator<< (log_system &(*pf)(log_system &)) |
Apply a stream modifier function to the log_system. | |
Private Attributes | |
int | m_log_level |
The level of log. Messages are ignored if their level is greater than this level. | |
int | m_message_level |
The current message level, for operator <<. | |
stream_list_type | m_stream |
The streams in which we write de log informations. |
A class implementing a logging system.
Messages are sent to the log system. If the importance (level) of a message is lower or equal to a given threshold, the message is printed. Otherwise, it is ignored.
Message printing is managed by log_stream classes. The logger_system can contain several log_stream. None checking is done when adding a log_stream to see if it is already in the system.
Definition at line 67 of file logger.hpp.
typedef std::list<stream_type*> claw::log_system::stream_list_type |
Definition at line 71 of file logger.hpp.
Definition at line 70 of file logger.hpp.
claw::log_system::log_system | ( | ) |
Default constructor.
The logger is initialized with a console logger.
Definition at line 45 of file logger.cpp.
00046 : m_log_level(-1), m_message_level(0) 00047 { 00048 00049 } // log_system::~log_system()
claw::log_system::~log_system | ( | ) |
Destructor.
Definition at line 55 of file logger.cpp.
References clear().
00056 { 00057 clear(); 00058 } // log_system::~log_system()
void claw::log_system::clear | ( | ) |
Delete the streams.
Definition at line 64 of file logger.cpp.
References m_stream.
Referenced by set(), claw::application::~application(), and ~log_system().
void claw::log_system::flush | ( | ) |
Flush all log streams.
Definition at line 134 of file logger.cpp.
References m_log_level, m_message_level, and m_stream.
00135 { 00136 if (m_message_level <= m_log_level) 00137 { 00138 stream_list_type::iterator it; 00139 00140 for ( it=m_stream.begin(); it!=m_stream.end(); ++it ) 00141 (*it)->flush(); 00142 } 00143 } // log_system::flush()
void claw::log_system::merge | ( | stream_type * | s | ) |
Add an other output stream.
s | Dynamicaly allocated logger_stream. |
Definition at line 79 of file logger.cpp.
References m_stream.
00080 { 00081 m_stream.push_front(s); 00082 } // log_system::merge()
claw::log_system & claw::log_system::operator<< | ( | log_system &(*)(log_system &) | pf | ) |
Apply a stream modifier function to the log_system.
pf | The function to apply. |
Definition at line 166 of file logger.cpp.
claw::log_system & claw::log_system::operator<< | ( | const log_level & | that | ) |
Change the level of the next mesasges.
that | The new level. |
Definition at line 150 of file logger.cpp.
References claw::log_level::get(), claw::log_level::get_string(), m_log_level, and m_message_level.
00151 { 00152 m_message_level = that.get(); 00153 00154 if (m_message_level <= m_log_level) 00155 *this << that.get_string(); 00156 00157 return *this; 00158 } // log_system::operator<<() [log_level]
claw::log_system::log_system & claw::log_system::operator<< | ( | const T & | t | ) | [inline] |
Log something.
t | The thing to log... |
Definition at line 39 of file logger.tpp.
References m_log_level, m_message_level, and m_stream.
00040 { 00041 if (m_message_level <= m_log_level) 00042 { 00043 std::ostringstream oss; 00044 oss << t; 00045 00046 typename stream_list_type::iterator it; 00047 00048 for (it = m_stream.begin(); it!=m_stream.end(); ++it) 00049 (*it)->write(oss.str()); 00050 } 00051 00052 return *this; 00053 } // log_system::operator<<()
void claw::log_system::remove | ( | const stream_type * | s | ) |
Remove a stream.
s | The stream to remove. |
Definition at line 90 of file logger.cpp.
References m_stream.
void claw::log_system::set | ( | stream_type * | s | ) |
Set the output stream.
s | Dynamicaly allocated logger_stream. |
Definition at line 104 of file logger.cpp.
References clear(), and m_stream.
Referenced by claw::application::application().
void claw::log_system::set_level | ( | const log_level & | lvl | ) |
Change the level of log.
lvl | New level. |
Definition at line 125 of file logger.cpp.
References claw::log_level::get(), and m_log_level.
00126 { 00127 m_log_level = lvl.get(); 00128 } // log_system::set_level()
void claw::log_system::set_level | ( | int | lvl | ) |
Change the level of log.
lvl | New level. |
Definition at line 115 of file logger.cpp.
References m_log_level.
Referenced by claw::application::application().
00116 { 00117 m_log_level = lvl; 00118 } // log_system::set_level()
int claw::log_system::m_log_level [private] |
The level of log. Messages are ignored if their level is greater than this level.
Definition at line 95 of file logger.hpp.
Referenced by flush(), operator<<(), and set_level().
int claw::log_system::m_message_level [private] |
The current message level, for operator <<.
Definition at line 98 of file logger.hpp.
Referenced by flush(), and operator<<().
stream_list_type claw::log_system::m_stream [private] |
The streams in which we write de log informations.
Definition at line 101 of file logger.hpp.
Referenced by clear(), flush(), merge(), operator<<(), remove(), and set().