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/*
* This file is a part of PikoTools
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2018-2021, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef headerfile_picotools_log_log
#define headerfile_picotools_log_log
#include <string>
#include <fstream>
#include "textstream/textstream.h"
#include "filelog.h"
namespace morm
{
class Model;
}
namespace pt
{
class Log
{
public:
/*
log1 - the first level
log2
log3
log4 - the last level (debug level)
logend - the end of a line
logsave - current log buffer is saved and cleared
*/
enum Manipulators
{
log1,
log2,
log3,
log4,
l1,
l2,
l3,
l4,
logend,
lend,
logsave,
lsave,
};
Log();
virtual ~Log();
virtual void SetLogBuffer(WTextStream * buffer);
virtual WTextStream * GetLogBuffer();
void SetFileLog(FileLog * file_log);
FileLog * GetFileLog();
void SetMaxBufferLength(size_t max_buffer_length);
size_t GetMaxBufferLength();
virtual Log & IntMinWidth(size_t min_width);
virtual Log & operator<<(const void * s);
virtual Log & operator<<(const char * s);
virtual Log & operator<<(const std::string * s);
virtual Log & operator<<(const std::string & s);
virtual Log & operator<<(const wchar_t * s);
virtual Log & operator<<(const std::wstring * s);
virtual Log & operator<<(const std::wstring & s);
virtual Log & operator<<(char s);
virtual Log & operator<<(wchar_t s);
virtual Log & operator<<(int s);
virtual Log & operator<<(long s);
virtual Log & operator<<(long long s);
// add unsigned long, unsigned int
virtual Log & operator<<(size_t s);
//virtual Log & operator<<(float s); // added
virtual Log & operator<<(double s);
virtual Log & operator<<(const Space & space);
virtual Log & operator<<(const Date & date);
#ifdef PT_HAS_MORM
virtual Log & operator<<(morm::Model & model);
#endif
virtual Log & operator<<(Manipulators m);
virtual Log & LogString(const std::string & value, size_t max_size);
virtual Log & LogString(const std::wstring & value, size_t max_size);
template<typename char_type, size_t stack_size, size_t heap_block_size>
Log & operator<<(const TextStreamBase<char_type, stack_size, heap_block_size> & buf);
virtual Log & LogBinary(const char * blob, size_t blob_len);
virtual Log & LogBinary(const std::string & blob);
protected:
// buffer for the log
WTextStream * buffer;
// file logger
FileLog * file_log;
// current level set by a modifier (e.g. log << log3)
int current_level;
// if there is logend modifier used and the buffer exceeds max_buffer_length then
// the buffer is passed to file_log
size_t max_buffer_length;
char get_hex_digit(unsigned char c);
void to_hex(char * buf, unsigned char c);
template<class StringType>
Log & log_string_generic(const StringType & value, size_t max_size);
virtual void save_log();
virtual void save_log_and_clear();
};
template<class StringType>
Log & Log::log_string_generic(const StringType & value, size_t max_size)
{
std::size_t min_size = value.size() < max_size ? value.size() : max_size;
if( buffer && file_log && current_level <= file_log->get_log_level() )
{
for(size_t i=0 ; i < min_size ; ++i)
{
if( value[i] < 32 )
(*buffer) << '.'; // unprintable characters
else
(*buffer) << value[i];
}
}
return *this;
}
template<typename char_type, size_t stack_size, size_t heap_block_size>
Log & Log::operator<<(const TextStreamBase<char_type, stack_size, heap_block_size> & buf)
{
if( buffer && file_log && current_level <= file_log->get_log_level() )
{
(*buffer) << buf;
}
return *this;
}
} // namespace
#endif