source: trunk/essentials/dev-lang/perl/lib/CGI/Pretty.pm

package CGI::Pretty;

# See the bottom of this file for the POD documentation.  Search for the
# string '=head'.

# You can run this file through either pod2man or pod2html to produce pretty
# documentation in manual or html file format (these utilities are part of the
# Perl 5 distribution).

use strict;
use CGI ();

$CGI::Pretty::VERSION = '1.08';
$CGI::DefaultClass = __PACKAGE__;
$CGI::Pretty::AutoloadClass = 'CGI';
@CGI::Pretty::ISA = qw( CGI );

initialize_globals();

sub _prettyPrint {
    my $input = shift;
    return if !$$input;
    return if !$CGI::Pretty::LINEBREAK || !$CGI::Pretty::INDENT;

#    print STDERR "'", $$input, "'\n";

    foreach my $i ( @CGI::Pretty::AS_IS ) {
        if ( $$input =~ m{</$i>}si ) {
            my ( $a, $b, $c ) = $$input =~ m{(.*)(<$i[\s/>].*?</$i>)(.*)}si;
            next if !$b;
            $a ||= "";
            $c ||= "";

            _prettyPrint( \$a ) if $a;
            _prettyPrint( \$c ) if $c;
            
            $b ||= "";
            $$input = "$a$b$c";
            return;
        }
    }
    $$input =~ s/$CGI::Pretty::LINEBREAK/$CGI::Pretty::LINEBREAK$CGI::Pretty::INDENT/g;
}

sub comment {
    my($self,@p) = CGI::self_or_CGI(@_);

    my $s = "@p";
    $s =~ s/$CGI::Pretty::LINEBREAK/$CGI::Pretty::LINEBREAK$CGI::Pretty::INDENT/g if $CGI::Pretty::LINEBREAK; 
    
    return $self->SUPER::comment( "$CGI::Pretty::LINEBREAK$CGI::Pretty::INDENT$s$CGI::Pretty::LINEBREAK" ) . $CGI::Pretty::LINEBREAK;
}

sub _make_tag_func {
    my ($self,$tagname) = @_;