#!/usr/bin/perl
use lib "./lib";
use Convert::BinHex;
use Getopt::Std;

my $bytes;

@ARGV or usage();


# Get options:
getopts("vhn:o:");
my $dir = $opt_o ||= ".";

# Process files:
my $infile;
my $nfiles = int(@ARGV);
my $file_i = 0;
foreach $infile (@ARGV) {
    ++$file_i;

    # Read header:
    print STDERR "\nReading $infile\n";
    my $HQX = Convert::BinHex->open(Expr=>"<$infile") 
	|| die "open $ARGV[0]: ";
    
    $HQX->read_header;
    print STDERR $HQX->header_as_string if ($opt_v or $opt_h);
    next if $opt_h;

    # Get output filename:
    my $name;
    if ($opt_n) {
        $name = $opt_n . (($nfiles > 1) ? "-$file_i" : '');
    }
    else {
	($name = $HQX->filename) =~ s/[^A-Za-z0-9_\.-]/_/g;
    } 
    my $fname;

    # Output data fork:
    $fname = "$dir/$name";
    print STDERR "Writing $fname (data fork)\n";
    printf STDERR "Expecting: %6d bytes\n", $HQX->data_length    if $opt_v;
    open DATA, ">$fname" or die "open $fname: $!";
    while ($bytes = $HQX->read_data) {
	print DATA $bytes;
    }
    close DATA;
    printf STDERR "Wrote:     %6d bytes\n", (-s $fname)    if $opt_v;

    # Output resource fork:
    $fname = "$dir/$name.rsrc";
    print STDERR "Writing $fname (resource fork)\n";
    printf STDERR "Expecting: %6d bytes\n", $HQX->resource_length    if $opt_v;
    open RESOURCE, ">$fname" or die "open $fname: $!";
    while ($bytes = $HQX->read_resource) {
	print RESOURCE $bytes;
    }
    close RESOURCE;
    printf STDERR "Wrote:     %6d bytes\n", (-s $fname)    if $opt_v;
    1;
}
exit(0);

sub usage {
    print STDERR <<EOF;
    
Usage: hexbin [opts] [-] file.hqx  
     -h          output header information only; don't convert
     -n name     name output files (default taken from .hqx)
     -o dir      output directory
     -v          verbose output

EOF
   exit(-1);
}


__END__
1;