| 1 | # To get readline line editing functionality, please install |
| 2 | # Term::ReadLine::Gnu (GPL) or Term::ReadLine::Perl (GPL, Artistic) |
| 3 | # from CPAN. |
| 4 | |
| 5 | package readline; |
| 6 | use strict; |
| 7 | use warnings; |
| 8 | use Exporter 'import'; |
| 9 | our @EXPORT_OK = qw( readline ); |
| 10 | |
| 11 | use Term::ReadLine; |
| 12 | |
| 13 | my $_rl = Term::ReadLine->new('Mal'); |
| 14 | $_rl->ornaments(0); |
| 15 | #print "Using ReadLine implementation: " . $_rl->ReadLine() . "\n"; |
| 16 | my $OUT = $_rl->OUT || \*STDOUT; |
| 17 | my $_history_loaded = 0; |
| 18 | |
| 19 | sub readline { |
| 20 | my($prompt) = @_; |
| 21 | my $line = undef; |
| 22 | if (! $_history_loaded) { |
| 23 | $_history_loaded = 1; |
| 24 | # TODO: load history |
| 25 | } |
| 26 | |
| 27 | if (defined ($line = $_rl->readline($prompt))) { |
| 28 | $_rl->addhistory($line) if $line =~ /\S/; |
| 29 | # TODO: save history |
| 30 | return $line; |
| 31 | } else { |
| 32 | return undef; |
| 33 | } |
| 34 | } |
| 35 | 1; |