use strict;
use warnings;

use XML::Parser;
use XML::Twig;

my $xmlfile = 'input1.xml';              # the file to parse

# initialize parser object and parse the string
my $parser = XML::Parser->new( ErrorContext => 2 );
eval { $parser->parsefile( $xmlfile ); };

# report any error that stopped parsing, or announce success
if( $@ )
{
    $@ =~ s/at \/.*?$//s;               # remove module line number
    print STDERR "\nERROR in '$xmlfile':\n$@\n";
    exit;
}


my $twig=XML::Twig->new(twig_handlers=>{
                                        indd_document=>\&root_process,
                                        div => \&div_handler,
                                        content=> \&content_handler,
                                        });
$twig->parsefile( $xmlfile);
open(FH,">output.xml") or die "cannot open output.xml: $!";
my $temp = $twig->toString;
print FH $temp;
close (FH);

$twig->purge;

#root tag "indd_document" process here
sub root_process
{
      my( $twig, $root)= @_;
      $root->set_tag( 'document');
      $root->set_atts({OutputCreationDate=>'20090510', OutputCreationTime=>'00:00:00', 'xml:space'=>"preserve"});
      $root->purge;
}

#paragraph element process goes here
sub div_handler {
  my ($twig, $div)= @_;
    $div->set_tag('paragraph');
    $div->del_att('cstyID','pstyID');
    my $attval=$div->att('class');
    $attval=~s/P_//;
    $div->set_att(style => $attval);
    $attval=~s/_//g;
    $attval="P".$attval;
    $div->set_att(class =>$attval);
}

#content tag handler
sub content_handler
{
  my ($twig, $content)= @_;

    my $tagname=$content->xpath(q{//box[@textflowid="rc_u50c6"]});
    print $tagname;
    #For textbox element
    if($content->{'att'}->{'type'} eq "text")
    {
    $content->set_tag('textbox');
    my $parent='qxpobject';
    }
}