/usr/share/perl5/MKDoc/XML/TreePrinter.pm is in libmkdoc-xml-perl 0.75-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# MKDoc::XML::TreePrinter
# -------------------------------------------------------------------------------------
# Author : Jean-Michel Hiver.
# Copyright : (c) MKDoc Holdings Ltd, 2003
#
# This module is the counterpart of MKDoc::XML::TreePrinter. It turns an XML
# tree back into a string.
#
# This module is distributed under the same license as Perl itself.
# -------------------------------------------------------------------------------------
package MKDoc::XML::TreePrinter;
use warnings;
use strict;
##
# $class->process (@nodes);
# ----------------------------
# Does the stuff.
##
sub process
{
my $class = shift;
my @nodes = @_;
my @res = ();
foreach my $node (@nodes)
{
ref $node or do {
push @res, $node;
next;
};
$node->{_tag} =~ /\~pi/ and do {
push @res, "<?$node->{text}?>";
next;
};
$node->{_tag} =~ /\~declaration/ and do {
push @res, "<!$node->{text}>";
next;
};
$node->{_tag} =~ /\~comment/ and do {
push @res, "<!--" . $node->{text} . "-->";
next;
};
my $tag = $node->{_tag};
my %att = map { $_ => _encode_quot ($node->{$_}) } grep !/^_/, keys %{$node};
my $attr = join " ", map { "$_=\"$att{$_}\"" } keys %att;
my $open = $node->{_open};
my $close = $node->{_close};
$open && $close && do {
if ($attr) { push @res, "<$tag $attr />" }
else { push @res, "<$tag />" }
next;
};
my $open_tag = $attr ? "<$tag $attr>" : "<$tag>";
my $close_tag = "</$tag>";
my @desc = $node->{_content} ? @{$node->{_content}} : ();
my $res = $open_tag . $class->process (@desc) . $close_tag;
push @res, $res;
next;
};
return join '', @res;
}
sub _encode_quot
{
my $res = shift;
return '' unless (defined $res);
$res =~ s/\"/\"\;/g;
return $res;
}
1;
__END__
=head1 NAME
MKDoc::XML::TreePrinter - Builds XML data from a parsed tree
=head1 SYNOPSIS
my $xml_data = MKDoc::XML::TreePrinter->process_data (@top_nodes);
=head1 SUMMARY
L<MKDoc::XML::TreePrinter> takes trees which are produced by
L<MKDoc::XML::TreeBuilder> to turn a parsed tree back into XML data. This means
you can parse some stuff using L<MKDoc::TreeBuilder>, fiddle around with the
tree, and then get the result back as XML data.
=head1 AUTHOR
Copyright 2003 - MKDoc Holdings Ltd.
Author: Jean-Michel Hiver
This module is free software and is distributed under the same license as Perl
itself. Use it at your own risk.
=head1 SEE ALSO
L<MKDoc::XML::TreeBuilder>
=cut
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