#include "formatter.h"

Bu::Formatter::Formatter( Stream &rOut ) :
	rOut( rOut )
{
}

Bu::Formatter::~Formatter()
{
}

void Bu::Formatter::write( const Bu::FString &sStr )
{
	rOut.write( sStr );
}

void Bu::Formatter::write( const char *sStr, int iLen )
{
	rOut.write( sStr, iLen );
}

void Bu::Formatter::writeAligned( const Bu::FString &sStr )
{
	int iLen = sStr.getSize();
	if( iLen > fLast.uMinWidth )
	{
		write( sStr );
	}
	else
	{
		int iRem = fLast.uMinWidth - iLen;
		switch( fLast.uAlign )
		{
			case Fmt::Right:
				for( int k = 0; k < iRem; k++ )
					write(" ", 1 );
				write( sStr );
				break;
			
			case Fmt::Center:
				{
					int iHlf = iRem/2;
					for( int k = 0; k < iHlf; k++ )
						write(" ", 1 );
					write( sStr );
					iHlf = iRem-iHlf;;
					for( int k = 0; k < iHlf; k++ )
						write(" ", 1 );
				}
				break;
			
			case Fmt::Left:
				write( sStr );
				for( int k = 0; k < iRem; k++ )
					write(" ", 1 );
				break;
		}
	}

	usedFormat();
}

void Bu::Formatter::writeAligned( const char *sStr, int iLen )
{
	if( iLen > fLast.uMinWidth )
	{
		write( sStr, iLen );
	}
	else
	{
		int iRem = fLast.uMinWidth - iLen;
		switch( fLast.uAlign )
		{
			case Fmt::Right:
				for( int k = 0; k < iRem; k++ )
					write(" ", 1 );
				write( sStr, iLen );
				break;
			
			case Fmt::Center:
				{
					int iHlf = iRem/2;
					for( int k = 0; k < iHlf; k++ )
						write(" ", 1 );
					write( sStr, iLen );
					iHlf = iRem-iHlf;;
					for( int k = 0; k < iHlf; k++ )
						write(" ", 1 );
				}
				break;
			
			case Fmt::Left:
				write( sStr, iLen );
				for( int k = 0; k < iRem; k++ )
					write(" ", 1 );
				break;
		}
	}

	usedFormat();
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const Bu::Formatter::Fmt &f )
{
	rOut.setTempFormat( f );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, Bu::Formatter::Special s )
{
	switch( s )
	{
		case Formatter::nl:
			rOut.write("\n", 1 );
			break;
	}
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const char *sStr )
{
	rOut.writeAligned( sStr, strlen( sStr ) );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, const Bu::FString &sStr )
{
	rOut.writeAligned( sStr );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed char c )
{
	rOut.write( (char *)&c, 1 );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, char c )
{
	rOut.write( (char *)&c, 1 );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned char c )
{
	rOut.write( (char *)&c, 1 );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed short i )
{
	rOut.ifmt<signed short>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned short i )
{
	rOut.ufmt<unsigned short>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed int i )
{
	rOut.ifmt<signed int>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned int i )
{
	rOut.ufmt<unsigned int>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed long i )
{
	rOut.ifmt<signed long>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned long i )
{
	rOut.ufmt<unsigned long>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, signed long long i )
{
	rOut.ifmt<signed long long>( i );
	return rOut;
}

Bu::Formatter &Bu::operator<<( Bu::Formatter &rOut, unsigned long long i )
{
	rOut.ufmt<unsigned long long>( i );
	return rOut;
}