#!/usr/bin/perl -w

# generate the standard header of a LilyPond source file.
my $fn;

sub
    do_init
{
    $MAILADRESS=$ENV{MAILADRESS};
     @pw=(getpwuid($<));
     $username=$pw[6];

    die "arg needed\n" if (!($#ARGV+1));
     $fn = $ARGV[0];

     $hh_b =  ($fn =~ /hh$/ );
     $inc_b=  ($hh_b || $fn =~ /[ti]cc$/);
}

sub 
    do_head
{
    
    my $what="implement ";
    $what = "declare " if ($hh_b);
    my ($PROJECT, $cwd);
    $PROJECT = "the GNU LilyPond music typesetter";
    chop($cwd = `pwd`);
    
    $PROJECT= "the Flower Library" if ($cwd =~ /flower/);
    
    my $headstr ="/*
  $fn -- $what

  source file of $PROJECT

  (c) 1997 $username <$MAILADRESS>
*/\n";
    print $headstr;
}
sub do_inc
{
    my $headstr="";
    my $startdef= $fn;
    $startdef =~ s/[\.-]/_/g;
    $startdef =~ tr/a-z/A-Z/;
    my $terminatestr="\n";

    if ($inc_b) {
	$headstr = "\n\n#ifndef $startdef\n#define $startdef\n";
	$terminatestr .= "#endif // $startdef\n"  
	}

    print $headstr, $terminatestr;
}
do_init;
do_head;
do_inc;