232 lines
5.7 KiB
C++
232 lines
5.7 KiB
C++
/*
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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) 2018-2021, 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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#ifndef headerfile_picotools_log_log
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#define headerfile_picotools_log_log
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#include <string>
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#include <fstream>
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#include "textstream/textstream.h"
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#include "filelog.h"
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namespace pt
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{
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class Log : public Stream
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{
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public:
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/*
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log1 - the first level
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log2
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log3
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log4 - the last level (debug level)
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logend - the end of a line
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logsave - current log buffer is saved and cleared
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*/
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enum Manipulators
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{
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log1,
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log2,
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log3,
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log4,
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logend,
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logsave,
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};
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Log();
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~Log();
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bool is_char_stream() const;
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bool is_wchar_stream() const;
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void clear();
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bool empty() const;
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size_t size() const;
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void reserve(size_t len);
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size_t capacity() const;
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void to_str(std::string & str, bool clear_string = true) const;
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void to_str(std::wstring & str, bool clear_string = true) const;
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std::string to_str() const;
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std::wstring to_wstr() const;
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char get_char(size_t index) const;
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wchar_t get_wchar(size_t index) const;
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Log & operator<<(const char * s);
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Log & operator<<(const std::string & s);
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Log & operator<<(const wchar_t * s);
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Log & operator<<(const std::wstring & s);
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Log & operator<<(char val);
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Log & operator<<(unsigned char val);
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Log & operator<<(wchar_t val);
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Log & operator<<(bool val);
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Log & operator<<(short val);
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Log & operator<<(int s);
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Log & operator<<(long s);
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Log & operator<<(long long s);
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Log & operator<<(unsigned short val);
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Log & operator<<(unsigned int val);
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Log & operator<<(unsigned long val);
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Log & operator<<(unsigned long long val);
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Log & operator<<(float val);
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Log & operator<<(double s);
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Log & operator<<(long double val);
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Log & operator<<(const void * s);
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Log & operator<<(const Stream & stream);
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Log & operator<<(const Space & space);
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Log & operator<<(const Date & date);
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#ifdef PT_HAS_MORM_LIBRARY
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virtual Log & operator<<(morm::Model & model);
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#endif
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template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
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Log & operator<<(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg);
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Log & write(const char * buf, size_t len);
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Log & write(const wchar_t * buf, size_t len);
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/*
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* methods specific to Log class
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*
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*/
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virtual Log & operator<<(Manipulators m);
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virtual void set_log_buffer(WTextStream * buffer);
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virtual WTextStream * get_log_buffer();
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void set_file_log(FileLog * file_log);
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FileLog * get_file_log();
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void set_max_buffer_length(size_t max_buffer_length);
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size_t get_max_buffer_length();
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virtual Log & int_min_width(size_t min_width);
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virtual Log & put_string(const std::string & value, size_t max_size);
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virtual Log & put_string(const std::wstring & value, size_t max_size);
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virtual Log & put_binary_blob(const char * blob, size_t blob_len);
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virtual Log & put_binary_blob(const std::string & blob);
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protected:
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// buffer for the log
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WTextStream * buffer;
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// file logger
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FileLog * file_log;
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// current level set by a modifier (e.g. log << log3)
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int current_level;
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// if there is logend modifier used and the buffer exceeds max_buffer_length then
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// the buffer is passed to file_log
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size_t max_buffer_length;
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char get_hex_digit(unsigned char c);
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void to_hex(char * buf, unsigned char c);
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template<class StringType>
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Log & log_string_generic(const StringType & value, size_t max_size);
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virtual bool can_put_log();
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virtual void save_log();
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virtual void save_log_and_clear();
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};
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template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
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Log & Log::operator<<(const TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg)
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{
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if( can_put_log() )
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{
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(*buffer) << arg;
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}
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return *this;
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}
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template<class StringType>
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Log & Log::log_string_generic(const StringType & value, size_t max_size)
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{
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std::size_t min_size = value.size() < max_size ? value.size() : max_size;
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if( can_put_log() )
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{
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for(size_t i=0 ; i < min_size ; ++i)
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{
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if( value[i] < 32 )
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(*buffer) << '.'; // unprintable characters
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else
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(*buffer) << value[i];
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}
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}
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return *this;
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}
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} // namespace
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#endif
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