source: trunk/gsdl/perllib/plugins/RecPlug.pm@ 229

# plugin which recurses through directories processing
# each file it finds

package RecPlug;

use BasPlug;
use plugin;
use util;


BEGIN {
    @ISA = ('BasPlug');
}

sub new {
    my ($class) = @_;
    my $self = new BasPlug ();

    return bless $self, $class;
}

# return 1 if this class might recurse using $pluginfo
sub is_recursive {
    my $self = shift (@_);

    return 1;
}

# return 1 if processed, 0 if not processed
# Note that $base_dir might be "" and that $file might 
# include directories
sub read {
    my $self = shift (@_);
    my ($pluginfo, $base_dir, $file, $metadata, $processor) = @_;


    my (@dir, $subfile);

    # see if this is a directory
    $dirname = &util::filename_cat ($base_dir, $file);
    if (-d $dirname) {

    # read all the files in the directory
    opendir (DIR, $dirname) ||
        die "ERROR - couldn't read directory $dirname\n";
    @dir = readdir (DIR);
    closedir (DIR);

    # process each file
    foreach $subfile (@dir) {
        if ($subfile !~ /^\.\.?$/) {
        # note: metadata is not carried on to the next level
        &plugin::read ($pluginfo, $base_dir, &util::filename_cat($file, $subfile),
                   {}, $processor);
        }
    }

    return 1;
    }

    # wasn't a directory, someone else will have to process it
    return 0;
}


1;