4
use vars qw(@ISA @EXPORT_OK);
7
@EXPORT_OK= qw(init setparm output);
9
sub init { # (\@parms, \%defaults, \@template)
10
my ($self, $parms, $defs, $templatelines) = @_;
12
$self->{values} = { };
14
foreach $key (@$parms) {
15
$self->{parms}{$key} = 1;
17
foreach $key (keys %$defs) {
18
$self->{values}{$key} = ${$defs}{$key};
20
if (defined($templatelines)) {
21
$self->{template} = join "", @$templatelines;
25
sub validateparm { # (parmname)
27
my ($self, $parmname) = @_;
28
if (!defined($self->{parms}{$parmname})) {
29
die "unknown parameter $parmname";
33
sub setparm { # (parm, value)
34
my ($self, $parm, $value) = @_;
35
$self->validateparm($parm);
36
$self->{values}{$parm} = $value;
39
sub substitute { # (text)
40
my ($self, $text) = @_;
44
foreach $p (keys %{$self->{parms}}) {
45
if (!defined $self->{values}{$p}) {
46
die "$0: No value supplied for parameter $p\n";
48
# XXX More careful quoting of supplied value!
49
$text =~ s|<$p>|$self->{values}{$p}|g;
56
print $fh "/* start of ", ref($self), " template */\n";
57
print $fh $self->substitute($self->{template});
58
print $fh "/* end of ", ref($self), " template */\n";