main.cpp

#include "CStackFile.h"
#include <iostream>
#include <climits>
#include <unistd.h>


void	RunTests();


// Arguments as string for syntax info
#define SYNTAXSTR "[--dumprawblocks] [--nostatus] [--noprogress] [--rawgraphics] <originalStackPath>"


int main( int argc, char * const argv[] )
{
	#if DEBUG
	RunTests();
	#endif
	
    CStackFile		theStack;
	
	if( argc < 2 )
	{
		fprintf( stderr, "Error: Syntax is %s " SYNTAXSTR "\n", argv[0] );
		return 2;
	}
	
	int		x = 1;	// Skip command name in argv[0].
	if( argc > 2 )
	{
		for( ; x < argc; x++ )
		{
			if( strcmp(argv[x],"--dumprawblocks") == 0 )
				theStack.SetDumpRawBlockData( true );
			else if( strcmp(argv[x],"--nostatus") == 0 )
				theStack.SetStatusMessages( false );
			else if( strcmp(argv[x],"--noprogress") == 0 )
				theStack.SetProgressMessages( false );
			else if( strcmp(argv[x],"--rawgraphics") == 0 )
				theStack.SetDecodeGraphics( false );
			else if( argv[x][0] == '-' )
			{
				fprintf( stderr, "Error: Unknown option %s, syntax is %s " SYNTAXSTR "\n", argv[x], argv[0] );
				return 3;
			}
			else	// Doesn't start with a dash? Must be pathname!
				break;	// End of options, exit loop.
		}
	}
	
	if( x >= argc )	// Only options, no file path?
	{
		fprintf( stderr, "Error: Syntax is %s " SYNTAXSTR "\n", argv[0] );
		return 4;
	}
	
	const char*	fpath = argv[x];
    char        fullpath[PATH_MAX +1] = {0};    // Outside so we can assign it to fpath and it stays alive.
    if( fpath[0] != '/' )
    {
        getcwd( fullpath, PATH_MAX );
        size_t  len = strlen(fullpath);
        if( fullpath[len-1] != '/' )
            fullpath[len++] = '/';
        strncat( fullpath, fpath, PATH_MAX );
        fpath = fullpath;
    }
	if( !theStack.LoadFile( fpath ) )
	{
		fprintf( stderr, "Error: Conversion of '%s' incomplete/failed.\n", fpath );
		return 5;
	}
	
    return 0;
}