/*
 * log.cpp
 *
 *  Created on: Nov 11, 2009
 *      Author: Adam Auton
 *      ($Revision: 66 $)
 */

#include "output_log.h"

output_log::output_log() : output_to_screen(true)
{

}

void output_log::open(const string &filename_prefix )
{
	LOG.open((filename_prefix + ".log").c_str());
}

void output_log::close()
{
	LOG.close();
}

void output_log::set_screen_output(bool do_screen_output)
{
	output_to_screen = do_screen_output;
}

void output_log::printLOG(string s)
{
	LOG << s; LOG.flush();
	if (output_to_screen)
	{
		cout << s; cout.flush();
	}
}

void output_log::error(string err_msg, int error_code)
{
	printLOG("Error:" + err_msg + "\n");
	exit(error_code);
}


void output_log::error(string err_msg, double value1, double value2, int error_code)
{
	printLOG("Error:" + err_msg + "\n");
	stringstream ss;
	ss << "Value1=" << value1 << " Value2=" << value2 << endl;
	printLOG(ss.str());
	exit(error_code);
}

void output_log::warning(string err_msg)
{
	printLOG(err_msg + "\n");
}

void output_log::one_off_warning(string err_msg)
{
	static set<string> previous_warnings;
	if (previous_warnings.find(err_msg) == previous_warnings.end())
	{
		printLOG(err_msg + "\n");
		previous_warnings.insert(err_msg);
	}
}

string output_log::int2str(int n)
{
  std::ostringstream s2( std::stringstream::out );
  s2 << n;
  return s2.str();
}

string output_log::longint2str(long int n)
{
  std::ostringstream s2( std::stringstream::out );
  s2 << n;
  return s2.str();
}

string output_log::dbl2str(double n, int prc)
{
  std::ostringstream s2;
  if ( prc > 0 )
    s2.precision(prc);
  s2 << n;
  return s2.str();
}

string output_log::dbl2str_fixed(double n, int prc)
{
  std::ostringstream s2;
  s2 << setiosflags( ios::fixed );
  if ( prc > 0 )
    s2.precision(prc);
  s2 << n;
  return s2.str();
}