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#include <bu/optparser.h>
#include <bu/string.h>
#include <bu/file.h>
#include <bu/sio.h>

#include "gats/types.h"
#include "gats/gatsstream.h"

using namespace Bu;

class Options : public OptParser
{
public:
	Options( int argc, char *argv[] ) :
		bCompile( true )
	{
		addHelpBanner("Gats Compiler\nUsage: gatsc [options] [input]\n");

		addOption( sInput, 'i', "input", "Specify input file.");
		addOption( sOutput, 'o', "output", "Specify output file.");

		addOption( bCompile, 'd', "decompile",
			"Convert binary gats to text gats.");

		addHelpOption('h', "help", "This Help");

		setNonOption( slot( this, &Options::setInput ) );

		setOverride("decompile", false );

		parse( argc, argv );
	}

	int setInput( StrArray aParam )
	{
		sInput = aParam[0];
		return 0;
	}

	bool bCompile;
	String sInput;
	String sOutput;
};

int main( int argc, char *argv[] )
{
	Options opt( argc, argv );

	if( opt.sInput.isEmpty() )
	{
		sio << "You must specify an input." << sio.nl << sio.nl;
		return 1;
	}

	if( opt.sOutput.isEmpty() )
	{
		opt.sOutput.set( opt.sInput.begin(), opt.sInput.find('.') );
		opt.sOutput += ".gats";
	}

	if( opt.bCompile )
	{
		File fIn( opt.sInput, File::Read );
		File fOut( opt.sOutput, File::WriteNew );
		Gats::GatsStream gs( fOut );
		Gats::Object *pObj = Gats::Object::strToGats( fIn.readAll() );
		gs.writeObject( pObj );
		delete pObj;
	}

	return 0;
}