EHOOD / SGML-DTDParse-2.00 / bin / dtddiff2html 

            

              
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#!/usr/bin/perl
# $Id: dtddiff2html,v 2.2 2005/07/16 03:22:57 ehood Exp $
# Author(s): Earl Hood, <earl@earlhood.com>
# POD at end of file.
use Getopt::Long;
use SGML::DTDParse;
MAIN: {
  my %opts = ();
  GetOptions(\%opts,
    @SGML::DTDParse::CommonOptions
  ) || SGML::DTDParse::usage(-verbose => 0, -exitval => 1);
  SGML::DTDParse::process_common_options(\%opts);
  print <<EOT;
<html>
<head>
<title>Diff</title>
<style type="text/css">
  body {
    background-color: #DDDDDD;
  }
  pre.contextDiff {
    background: #EEEEEE;
    border-color: black;
    border-style: solid;
    border-width: thin;
    padding: 0.25em;
  }
  .diffDel {
    color: red;
  }
  .diffAdd {
    color: green;
  }
  .diffChng {
    color: blue;
  }
</style>
</head>
<body>
<pre class="contextDiff">
EOT
  my $in_chng = 0;
  while (<>) {
    chomp;
    if (/^[!]/) {
      if (/::=/) {
        print '<span class="diffChng">', entify($_), "\n";
        $in_chng = 1;
        next;
      } else {
        print '<span class="diffChng">', entify($_), "</span>\n";
        next;
      }
    }
    if (/^(---|[*+\-])/) {
      if ($in_chng) {
        print "</span>";
        $in_chng = 0;
      }
      elsif ($1 eq '---' || $1 eq '*') {
        print '<b>', entify($_), "</b>\n";
      }
      elsif ($1 eq '+') {
        print '<span class="diffAdd">', entify($_), "</span>\n";
      }
      elsif ($1 eq '-') {
        print '<span class="diffDel">', entify($_), "</span>\n";
      }
      next;
    }
    if ($in_chng && !/\S/) {
      print "</span>";
      $in_chng = 0;
    }
    print entify($_), "\n";
  }
  print qq{</pre>\n};
}
##############################################################################
sub entify {
  my $txt = shift;
  $txt =~ s/&/&amp;/g;
  $txt =~ s/</&lt;/g;
  $txt =~ s/>/&gt;/g;
  $txt;
}
##############################################################################
__END__
=head1 NAME
dtddiff2html - Convert DTD difference to HTML.
=head1 SYNOPSIS
 dtddiff parsed-dtd1.xml parsed-dtd2.xml > dtd-diff.txt
 dtddiff2html dtd-diff.txt > dtd-diff.html
 dtddiff parsed-dtd1.xml parsed-dtd2.xml | dtddiff2html > dtd-diff.html
=head1 DESCRIPTION
B<dtddiff2html> converts the diff-style output of B<dtddiff> into
HTML.  The HTML created basically provides color-highlighting
of the diff output.
=head1 OPTIONS
=over 4
=item --version
Print version and synopsis.
=item --help
Print synopsis and options available.
=item --man
Print manual page.
=back
=head1 SEE ALSO
L<dtddiff|dtddiff>
See L<SGML::DTDParse|SGML::DTDParse> for an overview of the DTDParse package.
=head1 PREREQUISITES
B<Getopt::Long>
=head1 AVAILABILITY
E<lt>I<http://dtdparse.sourceforge.net/>E<gt>
=head1 AUTHORS
Earl Hood, <earl@earlhood.com>
=head1 COPYRIGHT AND LICENSE
See L<SGML::DTDParse|SGML::DTDParse> for copyright and license information.