#!/usr/bin/perl -w
use strict;

#
# Not actually contributed by anybody, but people might find this useful.
# 
# This is a small PERL script to convert a ChangeLog in the same format as that
# used by devtodo into HTML.
#
# DISCLAIMER: I've only been using PERL for about a week, so I'm sure there are 
# much easier ways of doing some of these things.
#

sub htmlify {
	s/&/&/g;
	s/</&lt;/g;
	s/>/&gt;/g;
	s/\n/<br>\n/g;
	s/ /&nbsp;/g;
	return $_;
}

open(CHANGELOG, "ChangeLog");

my $version = "";
my $item = "";
my $pseudotime = 0;

my $intensity = 0;
my $textcolour = sprintf("%02x%02x%02x", $intensity * 255, $intensity * 255, $intensity * 255);
my $titlecolour = sprintf("%02x%02x%02x", $intensity * 255, $intensity * 255, $intensity * 255);

while (<CHANGELOG>) {
	if (/^[0-9]\.[0-9]\.[0-9]/) {
		if ($item ne "") {
			print "<font color=#$textcolour>$item</font>";
			print "</li>\n";
			$item = "";
		}
		if ($version ne "") {
			print "</ul>\n";
			$version = "";
		}
		$textcolour = sprintf("%02x%02x%02x", $intensity * 255, $intensity * 255, $intensity * 255);
		$titlecolour = sprintf("%02x%02x%02x", $intensity * 255, $intensity * 255, $intensity * 255);
		$intensity += 0.1;
		if ($intensity > 1.0) { goto quit; }
		print "<ul><h3><font color=#$titlecolour>Version $_</font></h3>\n";
		$pseudotime++;
		$version = $_;
	} elsif (/^\*/) {
		s/^\*\w*//;
		if ($item ne "") {
			print "<font color=#$textcolour>$item</font>";
			print "</li>\n";
			$item = "";
		}
		print "<li color=#$textcolour>\n";
		$pseudotime++;
		$item = htmlify($_);
	} else {
		$item .= htmlify($_);
	}
}

quit:

if ($item ne "") {
	print $item;
	print "</li>\n";
	$item = "";
}

if ($version ne "") {
	print "</ul>\n";
	$version = "";
}

close(CHANGELOG);