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lib/Acme/Bleach.pm  view on Meta::CPAN

package Acme::Bleach;
our $VERSION = '1.150';
my $tie = " \t"x8;
sub whiten { local $_ = unpack "b*", pop; tr/01/ \t/; s/(.{9})/$1\n/g; $tie.$_ }
sub brighten { local $_ = pop; s/^$tie|[^ \t]//g; tr/ \t/01/; pack "b*", $_ }
sub dirty { $_[0] =~ /\S/ }
sub dress { $_[0] =~ /^$tie/ }
open 0 or print "Can't rebleach '$0'\n" and exit;
(my $shirt = join "", <0>) =~ s/(.*)^\s*use\s+Acme::Bleach\s*;\n//sm;
my $coat = $1;
my $pressed = '#line ' . ("$coat\n" =~ tr/\n/\n/) . ' ' . (caller)[1] . "\n";
local $SIG{__WARN__} = \&dirty;
do {eval $coat . brighten $shirt; print STDERR $@ if $@; exit}
    unless dirty $shirt && not dress $shirt;
open 0, ">$0" or print "Cannot bleach '$0'\n" and exit;
print {0} "${coat}use Acme::Bleach;\n", whiten $pressed.$shirt and exit;
__END__

lib/Acme/DWIM.pm  view on Meta::CPAN

package Acme::DWIM;
$VERSION = '1.05';
my $dwimity = " \t"x4;
my $dwimop = '...';
my $string = qr< (?:["][^"\\]*(?:\\.[^"\\]*)*["]
	          | ['][^'\\]*(?:\\.[^'\\]*)*[']
		 )
	       >sx;

sub dwim {
	local $_ = pop;
	my $table;
	my $odd=0;
	use Data::Dumper 'Dumper';
	my @bits = split qr<(?!\s*\bx)($string|[\$\@%]\w+|[])}[({\w\s;/]+)>;
	for ($b=0;$b<@bits;$b+=2) {
		next unless $bits[$b];
		$table .= $bits[$b]."\n";
		$bits[$b] = $dwimop;
	}
	$_ = join "", @bits;
	$table = unpack "b*", $table;
	$table =~ tr/01/ \t/;
	$table =~ s/(.{8})/\n~$1/g;
	"$_\n~$dwimity$table";
}

sub undwim {
	local ($_,$table) = $_[0] =~ /(.*?)\n~$dwimity\n(.*)/sm;
	$table =~ s/[~\n]//g;
	$table =~ tr/ \t/01/;
	my @table = split /\n/, pack "b*", $table;
	s/\Q$dwimop/shift @table/ge;
	$_
}

sub dwum { $_[0] =~ /^$dwimity/ }
open 0 or print "Can't enDWIM '$0'\n" and exit;
(my $code = join "", <0>) =~ s/(.*)^\s*use\s+Acme::DWIM\s*;(\s*?)\n//sm;
my $pre = $1;
my $dwum = $2||"" eq $dwimity;
local $SIG{__WARN__} = \&dwum;
do {eval $pre . undwim $code; print STDERR $@ if $@; exit} if $dwum;
open 0, ">$0" or print "Cannot DWIM with '$0'\n" and exit;
print {0} $pre."use Acme::DWIM;$dwimity\n", dwim $code and exit;
__END__

lib/Acme/Morse.pm  view on Meta::CPAN

package Acme::Morse; $VERSION = 1.0;
my $signed = ".--.-..--..---.-.--."x2;
sub encypher { local $_ = unpack "b*", pop; tr/01/.-/; s/(.{40})/$1\n/g;
		$signed."\n".$_ }
sub decypher { local $_ = pop; s/^$signed|[^.-]//g; tr/.-/01/; pack "b*", $_ }
sub garbled { $_[0] =~ /\S/ }
sub signed { $_[0] =~ /^$signed/ }
open 0 or print "Can't transmit '$0'\n" and exit;
(my $telegram = join "", <0>) =~ s/.*^\s*use\s+Acme::Morse\s*;\n//sm;
local $SIG{__WARN__} = \&garbled;
do {eval decypher $telegram; print STDERR $@ if $@; exit}
	unless garbled $telegram && not signed $telegram;
open 0, ">$0" or print "Cannot encode '$0'\n" and exit;
print {0} "use Acme::Morse;\n", encypher $telegram and exit;
__END__
=head1 NAME