summaryrefslogtreecommitdiff
path: root/lib/FLAT/Regex/WithExtraOps.pm
diff options
context:
space:
mode:
authorDaniel Friesel <daniel.friesel@uos.de>2020-04-29 13:01:31 +0200
committerDaniel Friesel <daniel.friesel@uos.de>2020-04-29 13:01:31 +0200
commit36d02c1227374b107aa351388c0b5e3df65e4fa9 (patch)
tree14ccf8e77c2203a8ca775c1f1ffe9c7cc997c320 /lib/FLAT/Regex/WithExtraOps.pm
parent4b79b253d268652a1ae7239b564aaff9c2871589 (diff)
Remove most unused perl scripts and modules
Diffstat (limited to 'lib/FLAT/Regex/WithExtraOps.pm')
-rw-r--r--lib/FLAT/Regex/WithExtraOps.pm109
1 files changed, 0 insertions, 109 deletions
diff --git a/lib/FLAT/Regex/WithExtraOps.pm b/lib/FLAT/Regex/WithExtraOps.pm
deleted file mode 100644
index b366d7c..0000000
--- a/lib/FLAT/Regex/WithExtraOps.pm
+++ /dev/null
@@ -1,109 +0,0 @@
-package FLAT::Regex::WithExtraOps;
-use base 'FLAT::Regex';
-
-use strict;
-use Carp;
-
-my $PARSER = FLAT::Regex::Parser->new(qw[ alt concat star negate shuffle ]);
-sub _parser { $PARSER }
-
-sub members {
- my $self = shift;
- wantarray ? @$self[0 .. $#$self] : $self->[0];
-}
-
-#### Precedence
-# 30 ::star
-# 20 ::concat
-# 15 ::negate <---<< WithExtraOps
-# 12 ::shuffle <---<< WithExtraOps
-# 10 ::alt
-# 0 ::atomic
-
-###############################
-package FLAT::Regex::Op::negate;
-use base "FLAT::Regex::Op";
-use Carp;
-
-sub parse_spec { "'~' %s"; }
-sub precedence { 15 } # between concat and alternation
-
-sub as_string {
- my ($self, $prec) = @_;
- my $result = "~" . $self->members->as_string($self->precedence);
- return $prec > $self->precedence ? "($result)" : $result;
-}
-
-sub from_parse {
- my ($pkg, @item) = @_;
- $pkg->new( $item[2] );
-}
-
-## note: "reverse" conflicts with perl builtin
-sub reverse {
- my $self = shift;
- my $op = $self->members->reverse;
- __PACKAGE__->new($op);
-}
-
-sub is_empty {
- croak "Not implemented for negated regexes";
-}
-
-sub has_nonempty_string {
- croak "Not implemented for negated regexes";
-}
-
-sub is_finite {
- croak "Not implemented for negated regexes";
-}
-
-###############################
-package FLAT::Regex::Op::shuffle;
-use base 'FLAT::Regex::Op';
-use Carp;
-
-sub parse_spec { "%s(2.. /[&]/)" }
-sub precedence { 12 }
-
-sub as_string {
- my ($self, $prec) = @_;
- my $result = join "&",
- map { $_->as_string($self->precedence) }
- $self->members;
- return $prec > $self->precedence ? "($result)" : $result;
-}
-
-sub as_perl_regex {
- my $self = shift;
- croak "Not implemented for shuffled regexes";
-}
-
-sub from_parse {
- my ($pkg, @item) = @_;
- $pkg->new( @{ $item[1] } );
-}
-
-sub as_pfa {
- my $self = shift;
- my @parts = map { $_->as_pfa } $self->members;
- $parts[0]->shuffle( @parts[1..$#parts] );
-}
-
-# Implement?
-sub reverse {
- my $self = shift;
- croak "Not implemented for shuffled regexes";
-}
-
-sub is_empty {
- croak "Not implemented for shuffled regexes";
-}
-
-sub has_nonempty_string {
- croak "Not implemented for shuffled regexes";
-}
-
-sub is_finite {
- croak "Not implemented for shuffled regexes";
-}