#include <sstream>
#include "BFTranslator.h"

BFTranslator::BFTranslator()
{
	_map['+'] = "(*p)++;";
	_map['-'] = "(*p)--;";
	_map['>'] = "p++;";
	_map['<'] = "p--;";
	_map['.'] = "putchar(*p);";
	_map[','] = "*p=getchar();";
	_map['['] = "while(*p){";
	_map[']'] = "}";
}

BFTranslator::BFTranslator( const BFTranslator &t )
{
	this->_map = t._map;
}

BFTranslator::~BFTranslator()
{
}

BFTranslator &BFTranslator::operator= ( const BFTranslator &t )
{
	if (this != &t)
		this->_map = t._map;
	return *this;
}

bool BFTranslator::translate( std::string in, std::string out )
{
	if (this->openFile(in, out))
		return true;
	return false;
}

bool BFTranslator::openFile( std::string in, std::string out )
{
	std::ifstream inStream;
	std::ofstream outStream;
	char  c = 0;

	inStream.open(in.c_str(), std::ios_base::in);
	outStream.open(out.c_str(), std::ios_base::out);
	if (inStream.fail() || outStream.fail())
		return false;
	outStream << "#include<stdio.h>" << std::endl;
	outStream << "int main(){char m[60000]={0};char *p=m;";
	while (!inStream.eof())
	{
		inStream.get(c);
		outStream << _map[c];
	}
	outStream << "}";
	inStream.close();
	outStream.close();
	return true;
}