A log stream that does not output a message that have been recently output. More...
#include <log_stream_concise.hpp>
Public Member Functions | |
log_stream_concise (log_stream *s, std::size_t max_history_size=25) | |
Constructor. | |
virtual | ~log_stream_concise () |
Destructor. | |
virtual void | write (const std::string &str) |
Write a string in the stream. | |
virtual void | flush () |
Flush the stream. | |
Private Member Functions | |
void | output_current_line () |
Output the current line, if not in the history. | |
Private Attributes | |
log_stream * | m_stream |
The stream in which the messages are finally written. | |
std::string | m_current_line |
The current line to send into the stream. | |
std::list< std::string > | m_previous_lines |
Recent lines sent to the stream. | |
std::size_t | m_max_history_size |
Maximum number of lines in the history. |
A log stream that does not output a message that have been recently output.
Definition at line 61 of file log_stream_concise.hpp.
claw::log_stream_concise::log_stream_concise | ( | log_stream * | s, |
std::size_t | max_history_size = 25 |
||
) | [explicit] |
Constructor.
s | The stream in which the messages are finally written. It will be deleted in the destructor. |
max_history_size | The maximum number of lines in the history. |
Definition at line 42 of file log_stream_concise.cpp.
: m_stream(s), m_max_history_size(max_history_size) { } // log_stream_concise::log_stream_concise()
claw::log_stream_concise::~log_stream_concise | ( | ) | [virtual] |
Destructor.
Definition at line 52 of file log_stream_concise.cpp.
References m_stream.
{ delete m_stream; } // log_stream_concise::~log_stream_concise()
void claw::log_stream_concise::flush | ( | ) | [virtual] |
Flush the stream.
Reimplemented from claw::log_stream.
Definition at line 84 of file log_stream_concise.cpp.
{ m_stream->flush(); } // log_stream_concise::flush()
void claw::log_stream_concise::output_current_line | ( | ) | [private] |
Output the current line, if not in the history.
Definition at line 93 of file log_stream_concise.cpp.
{ if ( std::find (m_previous_lines.begin(), m_previous_lines.end(), m_current_line) == m_previous_lines.end() ) { m_previous_lines.push_back( m_current_line ); m_stream->write( m_current_line ); if (m_previous_lines.size() > m_max_history_size) m_previous_lines.pop_front(); } m_current_line.clear(); } // log_stream_concise::output_current_line()
void claw::log_stream_concise::write | ( | const std::string & | str ) | [virtual] |
Write a string in the stream.
str | The sring to write. |
Implements claw::log_stream.
Definition at line 62 of file log_stream_concise.cpp.
{ std::string::size_type p = str.find_first_of('\n'); if ( p == std::string::npos ) m_current_line += str; else { ++p; // includes the '\n' m_current_line += str.substr(0, p); output_current_line(); if ( p != str.length() ) write( str.substr(p) ); } } // log_stream_concise::write()
std::string claw::log_stream_concise::m_current_line [private] |
The current line to send into the stream.
Definition at line 81 of file log_stream_concise.hpp.
std::size_t claw::log_stream_concise::m_max_history_size [private] |
Maximum number of lines in the history.
Definition at line 87 of file log_stream_concise.hpp.
std::list<std::string> claw::log_stream_concise::m_previous_lines [private] |
Recent lines sent to the stream.
Definition at line 84 of file log_stream_concise.hpp.
log_stream* claw::log_stream_concise::m_stream [private] |
The stream in which the messages are finally written.
Definition at line 78 of file log_stream_concise.hpp.
Referenced by ~log_stream_concise().