source: trunk/gsdl/perllib/plugins/PDFPlug.pm@ 1415

###########################################################################
#
# PDFPlug.pm -- reasonably with-it pdf plugin
# A component of the Greenstone digital library software
# from the New Zealand Digital Library Project at the 
# University of Waikato, New Zealand.
#
# Copyright (C) 1999 New Zealand Digital Library Project
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
###########################################################################

package PDFPlug;

use ConvertToPlug;

sub BEGIN {
    @ISA = ('ConvertToPlug');
}

use strict;


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

    my $self = new ConvertToPlug ($class, @_, "--", "-title_sub", 'Page\s+\d+');
    
    return bless $self, $class;
}


sub get_default_block_exp {
    my $self = shift (@_);

    return q^(?i)\.(gif|jpe?g|png|rtf|css)$^;
}

sub get_default_process_exp {
    my $self = shift (@_);

    return q^(?i)\.pdf$^;
}
    

# do plugin specific processing of doc_obj for HTML type
sub process {
    my $self = shift (@_);

    print STDERR "PDFPlug: passing $_[3] onto $self->{'convert_to'} Plug\n" 
    if $self->{'verbosity'} > 1;
    
    return ConvertToPlug::process_type($self,"pdf",@_);
}


1;