changed in logger:
renamed Logger -> Log
this class has an api (<< operators) for taking what should be put to the log file
as the buffer is used WTextStream which should be allocated elsewhere
added: FileLog - this class saves to a file log
git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@1149 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
451
log/log.cpp
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451
log/log.cpp
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/*
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* This file is a part of PikoTools
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctime>
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#include <string.h>
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#include "log.h"
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#include "date/date.h"
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#include "utf8/utf8.h"
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namespace PT
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{
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Log::Log()
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{
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buffer = nullptr;
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file_log = nullptr;
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current_level = 4;
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max_buffer_length = 2 * 1024 * 1024; // 2MB
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}
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Log::~Log()
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{
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save_log_and_clear();
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}
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void Log::SetLogBuffer(PT::WTextStream * buffer)
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{
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this->buffer = buffer;
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}
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PT::WTextStream * Log::GetLogBuffer()
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{
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return buffer;
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}
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void Log::SetMaxBufferLength(size_t max_buffer_length)
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{
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this->max_buffer_length = max_buffer_length;
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}
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size_t Log::GetMaxBufferLength()
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{
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return max_buffer_length;
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}
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void Log::SetFileLog(FileLog * file_log)
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{
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this->file_log = file_log;
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}
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FileLog * Log::GetFileLog()
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{
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return file_log;
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}
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Log & Log::operator<<(const void * s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const char * s)
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{
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if( buffer && file_log && s && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const std::string & s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const std::string * s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << *s;
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}
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return *this;
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}
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Log & Log::operator<<(const wchar_t * s)
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{
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if( buffer && file_log && s && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const std::wstring & s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const std::wstring * s)
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{
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if( buffer && file_log && s && current_level <= file_log->get_log_level() )
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{
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(*buffer) << *s;
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}
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return *this;
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}
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Log & Log::operator<<(int s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(long s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(char s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(wchar_t s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(size_t s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(double s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const PT::Space & s)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << s;
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}
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return *this;
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}
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Log & Log::operator<<(const PT::Date & date)
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{
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << date;
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}
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return *this;
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}
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Log & Log::operator<<(Manipulators m)
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{
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switch(m)
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{
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case lend:
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case logend:
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if( buffer && file_log && current_level <= file_log->get_log_level() )
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{
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(*buffer) << '\n';
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if( file_log->should_save_each_line() || buffer->size() > max_buffer_length )
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save_log_and_clear();
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}
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break;
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case lsave:
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case logsave:
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save_log_and_clear();
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break;
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case l1:
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case log1:
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current_level = 1;
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break;
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case l2:
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case log2:
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current_level = 2;
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break;
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case l3:
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case log3:
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current_level = 3;
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break;
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case l4:
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case log4:
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current_level = 4;
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break;
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default:
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break;
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}
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return *this;
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}
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Log & Log::LogString(const std::string & value, size_t max_size)
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{
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return log_string_generic(value, max_size);
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}
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Log & Log::LogString(const std::wstring & value, size_t max_size)
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{
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return log_string_generic(value, max_size);
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}
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char Log::get_hex_digit(unsigned char c)
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{
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if( c < 10 )
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return c + '0';
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return c - 10 + 'A';
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}
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void Log::to_hex(char * buf, unsigned char c)
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{
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buf[0] = get_hex_digit(c >> 4);
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buf[1] = get_hex_digit(c & 0xf);
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buf[2] = 0;
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}
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Log & Log::LogBinary(const char * blob, size_t blob_len)
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{
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size_t i=0;
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char buf[3];
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if( buffer && file_log && blob && current_level <= file_log->get_log_level() )
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{
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while( i < blob_len )
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{
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size_t oldi = i;
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for(size_t a=0 ; a<16 ; ++a)
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{
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if( i < blob_len )
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{
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to_hex(buf, blob[i]);
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(*buffer) << buf << ' ';
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++i;
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}
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else
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{
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(*buffer) << " ";
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}
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if( a == 7 )
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{
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if( i < blob_len )
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(*buffer) << "- ";
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else
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(*buffer) << " ";
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}
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}
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i = oldi;
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(*buffer) << ' ';
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for(size_t a=0 ; a<16 && i<blob_len ; ++a, ++i)
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{
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if( blob[i] > 31 && blob[i] < 127 )
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(*buffer) << blob[i];
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else
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(*buffer) << '.';
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}
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(*this) << logend;
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}
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}
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return *this;
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}
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Log & Log::LogBinary(const std::string & blob)
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{
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return LogBinary(blob.c_str(), blob.size());
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}
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void Log::save_log_and_clear()
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{
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save_log();
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if( buffer )
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{
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buffer->clear();
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}
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}
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void Log::save_log()
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{
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if( file_log && buffer )
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{
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file_log->save_log(buffer);
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}
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}
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} // namespace
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Reference in New Issue
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