/itexToMML

# itex2MML

# version 0.12

# copyright 2003-2005, Jacques Distler

#

use MT;

use File::Temp qw(tempfile);

MT->add_text_filter(itexToMML => {

	label => 'itex to MathML',

	on_format => sub { &itexToMML; },

});

MT->add_text_filter(itexToMMLpara => {

        label => 'itex to MathML with parbreaks',

        on_format => sub { &itexToMMLpara; },

});

sub itexToMML {

    $_=shift;

    $_=~ s/\r//g;

    my ($Reader,$outfile) = tempfile( UNLINK => 1 );

    my ($Writer,$infile) = tempfile( UNLINK => 1 );

    print $Writer "$_";

    system("/usr/local/bin/itex2MML <$infile >$outfile");

    my @out = <$Reader>;

    close $Reader;

    close $Writer;

    eval {unlink ($infile, $outfile);};

    join('',@out);

}

sub itexToMMLpara {

    $_=shift;

    $_=~ s/\r//g;

    $_=splitparas($_);

    my ($Reader,$outfile) = tempfile( UNLINK => 1 );

    my ($Writer,$infile) = tempfile( UNLINK => 1 );

    print $Writer "$_";

    system("/usr/local/bin/itex2MML <$infile >$outfile");

    my @out = <$Reader>;

    close $Reader;

    close $Writer;

    eval {unlink ($infile, $outfile);};

    join('',@out);

}

sub splitparas {

    my $str = shift;

    $str ||= '';

    my @paras = split /\n\n/, $str;

    for my $p (@paras) {

        if ($p !~ m@^</?(?:h1|h2|h3|h4|h5|h6|table|ol|dl|ul|menu|dir|p|pre|center|form|fieldset|select|blockquote|address|div|hr)@) {

            $p = "<p>$p</p>";

        }

    }

    join "\n\n", @paras;

}

1;