source.cpp
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	#include "source.h"

	#include "debug.hpp"

	std::istream& operator>>(std::istream& is, source &s)
	{
	is >> std::skipws;
	char delim;

	// begin
	is >> delim;

	char type;

	if (delim != '{')
	throw '{';

	is >> type;

	is >> delim;

	if (delim != ',')
	throw ',';

	is >> s.temperature;

	is >> delim;

	if (delim != ',')
	throw ',';

	switch(type)
	{
	case 'R':
	is >> dynamic_cast<rect>(s.bounds = new rect());
	break;
	case 'C':
	is >> dynamic_cast<circle>(s.bounds = new circle());
	break;
	default:
	throw type;
	}

	// be sure
	is >> std::skipws;

	is >> delim;

	if (delim != ',')
	throw ',';

	int fixed_buf;

	// 0 or 1
	is >> fixed_buf;

	s.fixed = static_cast<int>(fixed_buf);

	// end
	is >> delim;

	if (delim != '}')
	throw '}';

	is >> std::noskipws;

	return is;
	}

	// allows to print a rectangle in the format {(tl[0], tl[1]), (br[0], br[1])}
	std::ostream& operator<<(std::ostream& os, const source &s)
	{
	char type = s.bounds->chr();

	os << "{" << type << ", " << s.temperature << ", ";

	switch (type)
	{
	case 'R':
	os << dynamic_cast<rect>(s.bounds);
	break;

	case 'C':
	os << dynamic_cast<circle>(s.bounds);
	break;

	default:
	throw "Cannot cast bounds for source";
	}

	os << ", " << static_cast<int>(s.fixed) << "}";

	return os;
	}