ConsoleProgressBar.cpp
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	#include "ConsoleProgressBar.hpp"

	ConsoleProgressBar::ConsoleProgressBar(std::ostream& stream, size_t repeats, size_t size, const std::string& prefix)
	: _repeats(repeats), _size(size), _current(0), _prefix(prefix), _stream(stream)
	{}


	void ConsoleProgressBar::display() const
	{
	char bar_repr[4096] ;

	double perc = 0. ;
	if(this->_current == this->_repeats)
	{ perc = 100. ; }
	else
	{ perc = static_cast<double>(this->_current) / static_cast<double>(this->_repeats) * 100 ; }
	size_t x = this->_size * this->_current / this->_repeats ;
	std::string bar ;
	for(size_t i=0; i<x; i++) { bar += "=" ; }
	for(size_t i=x; i<this->_size; i++) { bar += "." ; }

	sprintf(bar_repr, "%s : progress [%s] %.2f %%\r", this->_prefix.c_str(), bar.c_str(), perc) ;
	this->_stream << bar_repr ;
	this->_stream.flush() ;
	}


	void ConsoleProgressBar::update()
	{ this->display() ;
	if(this->_current < this->_repeats)
	{ this->_current++ ; }
	}