#!/usr/bin/perl -w

# Parses tla output to generate a valid
# xml changelog 

use strict;

my %months = ( Jan => '01', Feb => '02', Mar => '03', Apr => '04', May => '05', 
	       Jun => '06', Jul => '07', Aug => '08', Sep => '09', Oct => '10',
	       Nov => '11', Dec => '12' );
my $date;
my $author;

my $prev_date='';
my $prev_author='';

while(<>) {
  if(/Date: [A-z]+ ([A-z]+)[ ]+([0-9]+) ([0-9:]+).*([0-9]{4})/) {
    $date="$4/$months{$1}/$2 $3";
  } elsif(/Creator: .* <(.*)@/) {
    $author="$1";
  } elsif(/^$/) {
    last;
  }
}

die "couldn't find author or date" if(!$date || !$author);

print "* $date committed by $author\n" 
  if($date ne $prev_date || $author ne $prev_author);

$prev_date=$date;
$prev_author=$prev_author;

while(<>) {
  chomp($_);

  if(/^\* (.*)/ || /\s+(.*)/) {
    my $var=$1;
    next if(!$1 || $1 !~ /\S+/);
      
    print "  o  $var\n";
    while(<>) {
      chomp($_);

      last if(/^$/);
      print "     $_\n";
    }
  } 
}
print "\n";