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00030 #include <claw/log_stream_concise.hpp>
00031
00032 #include <algorithm>
00033
00034
00041 claw::log_stream_concise::log_stream_concise
00042 ( log_stream* s, std::size_t max_history_size )
00043 : m_stream(s), m_max_history_size(max_history_size)
00044 {
00045
00046 }
00047
00048
00052 claw::log_stream_concise::~log_stream_concise()
00053 {
00054 delete m_stream;
00055 }
00056
00057
00062 void claw::log_stream_concise::write( const std::string& str )
00063 {
00064 std::string::size_type p = str.find_first_of('\n');
00065
00066 if ( p == std::string::npos )
00067 m_current_line += str;
00068 else
00069 {
00070 ++p;
00071 m_current_line += str.substr(0, p);
00072
00073 output_current_line();
00074
00075 if ( p != str.length() )
00076 write( str.substr(p) );
00077 }
00078 }
00079
00080
00084 void claw::log_stream_concise::flush()
00085 {
00086 m_stream->flush();
00087 }
00088
00089
00093 void claw::log_stream_concise::output_current_line()
00094 {
00095 if ( std::find
00096 (m_previous_lines.begin(), m_previous_lines.end(), m_current_line)
00097 == m_previous_lines.end() )
00098 {
00099 m_previous_lines.push_back( m_current_line );
00100 m_stream->write( m_current_line );
00101
00102 if (m_previous_lines.size() > m_max_history_size)
00103 m_previous_lines.pop_front();
00104 }
00105
00106 m_current_line.clear();
00107 }