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Refactored the options parsing to be less bad. Now time to implement actual functionalitygit add .

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random 2025-01-20 04:41:08 -05:00
parent 99fc573b3c
commit f75fff9c98
1 changed files with 148 additions and 137 deletions
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75
staticgen.pl
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@ -7,12 +7,19 @@ use Carp;
$SIG{__WARN__} = sub { die @_; };
my $PRG = $0;
$PRG =~ s!.*/!!;
#-----------------------------------------------------------------------
# Command line argument processing routines
#-----------------------------------------------------------------------
sub DisplayUsage
{
my $options_ref = shift;
my @options = @$options_ref;
my @options = @$options_ref;
print "Usage:\n";
print "Usage: $PRG [OPTIONS]\n";
for my $opt (@options)
{
my $opt_str = " " . (defined $opt->{sopt} ? "-$opt->{sopt}, " : " ");
@ -37,7 +44,7 @@ sub HandleArgs
{
my ($args_ref, $options_ref) = @_;
my @args = @$args_ref;
my @args = @$args_ref;
my @options = @$options_ref;
for my $arg (@args)
@ -46,57 +53,60 @@ sub HandleArgs
{
my @soptlist;
@soptlist = split //, $+{sopts} if defined $+{sopts};
@soptlist = do { my %sn; grep { !$sn{$_}++ } @soptlist };
my $optarg;
my $handled = 1;
DisplayUsage($options_ref)
if ((defined $+{sopt} and $+{sopt} eq "h") or
(defined $+{lopt} and $+{lopt} eq "help"));
for my $opt (@options)
for my $lsopt (@soptlist)
{
die "No option name to handle!"
unless defined $opt->{lopt} or defined $opt->{sopt};
if (defined $opt->{sopt})
if (my @i = grep { $options[$_]->{sopt} eq $lsopt } 0..$#options)
{
if (grep { $_ eq $opt->{sopt} // () } @soptlist)
{
die "Option -$opt->{sopt} cannot be in a list as it requires an argument!\n"
if $opt->{arg} eq "required";
die "Option -$lsopt cannot be in a list as it requires an argument!\n"
if $options[$i[0]]->{arg} eq "required";
$opt->{handler}();
}
# will make these look better later
elsif (defined $+{sopt} and defined $+{sopt}
and $+{sopt} eq $opt->{sopt})
{
$optarg = $+{optarg} // ();
$opt->{handler}($optarg);
}
}
if (defined $opt->{lopt} and defined $+{lopt}
and $+{lopt} eq $opt->{lopt})
{
$optarg = $+{optarg} // ();
$opt->{handler}($optarg);
$options[$i[0]]->{handler}();
}
else { warn "Unknown option -$lsopt!\n"; }
}
die "Unrecognized option: $arg\n"
unless $handled;
for my $k (qw(sopt lopt))
{
next if !defined $+{$k};
my $h = $k eq "lopt" ? '--':'-';
if (my @j = grep { $options[$_]->{$k} eq $+{$k} } 0..$#options)
{
$optarg = $+{optarg} // ();
die "Option $h$+{$k} requires an argument!\n"
if !defined $optarg and $options[$j[0]]->{arg} eq "required";
$options[$j[0]]->{handler}($optarg);
}
else { warn "Unknown option $h$+{$k}!\n"; }
}
}
}
}
# TODO: Perhaps add precedence for different options.
# For example, if you pass -pb to the program, you probably want to
# build before publishing.
sub HandleConf
{
my $filename = shift;
my $filename = shift // "none";
print "Loading configuration from: $filename\n";
}
#-----------------------------------------------------------------------
# Main routine
#-----------------------------------------------------------------------
my @optArray = (
{
lopt => "config",
@ -130,6 +140,7 @@ my @optArray = (
sub Main
{
DisplayUsage(\@optArray) if (!@ARGV);
HandleArgs(\@ARGV, \@optArray);
}