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#
# Copyright (C) 1998 Ken MacLeod
# See the file COPYING for distribution terms.
#
# $Id: grove.pl,v 1.4 1999/05/06 23:13:02 kmacleod Exp $
#
use XML::Parser::PerlSAX;
use XML::Grove;
use XML::Grove::Builder;
my $builder = XML::Grove::Builder->new;
my $parser = XML::Parser::PerlSAX->new(Handler => $builder);
my $doc;
foreach $doc (@ARGV) {
my $grove = $parser->parse (Source => { SystemId => $doc });
dump_grove ($grove);
}
sub dump_grove {
my $grove = shift;
my @context = ();
_dump_contents ($grove->{Contents}, \@context);
}
sub _dump_contents {
my $contents = shift;
my $context = shift;
foreach $item (@$contents) {
if (ref ($item) =~ /::Element/) {
push @$context, $item->{Name};
my @attributes = %{$item->{Attributes}};
print STDERR "@$context \\\\ (@attributes)\n";
_dump_contents ($item->{Contents}, $context);
print STDERR "@$context //\n";
pop @$context;
} elsif (ref ($item) =~ /::PI/) {
my $target = $item->{Target};
my $data = $item->{Data};
print STDERR "@$context ?? $target($data)\n";
} elsif (ref ($item) =~ /::Characters/) {
my $data = $item->{Data};
$data =~ s/([\x80-\xff])/sprintf "#x%X;", ord $1/eg;
$data =~ s/([\t\n])/sprintf "#%d;", ord $1/eg;
print STDERR "@$context || $data\n";
} elsif (!ref ($item)) {
print STDERR "@$context !! SCALAR: $item\n";
} else {
print STDERR "@$context !! OTHER: $item\n";
}
}
}
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