=head1 NAME
PPIx::Regexp::Structure::CharClass - Represent a character class
=head1 SYNOPSIS
use PPIx::Regexp::Dumper;
PPIx::Regexp::Dumper->new( 'qr{[fo]}smx' )
->print();
=head1 INHERITANCE
C<PPIx::Regexp::Structure::CharClass> is a
L<PPIx::Regexp::Structure|PPIx::Regexp::Structure>.
C<PPIx::Regexp::Structure::CharClass> has no descendants.
=head1 DESCRIPTION
This class represents a square-bracketed character class.
=head1 METHODS
This class provides the following public methods. Methods not documented
here are private, and unsupported in the sense that the author reserves
the right to change or remove them without notice.
=cut
use strict;
use PPIx::Regexp::Util qw{ __instance };
our $VERSION = '0.039_01';
sub _new {
my ( $class, @args ) = @_;
ref $class and $class = ref $class;
my %brkt;
$brkt{finish} = pop @args;
$brkt{start} = shift @args;
__instance( $args[0], 'PPIx::Regexp::Token::Operator' )
and $args[0]->content() eq '^'
and $brkt{type} = shift @args;
return $class->SUPER::_new( \%brkt, @args );
}
=head2 negated
$class->negated() and print "Class is negated\n";
This method returns true if the character class is negated -- that is,
if the first token inside the left square bracket is a caret (C<^>).
=cut
sub negated {
my ( $self ) = @_;
return $self->type() ? 1 : 0;
}
# Called by the lexer to record the capture number.
sub __PPIX_LEXER__record_capture_number {
my ( $self, $number ) = @_;
return $number;
}
1;
__END__
=head1 SUPPORT
Support is by the author. Please file bug reports at
L<http://rt.cpan.org>, or in electronic mail to the author.
=head1 AUTHOR
Thomas R. Wyant, III F<wyant at cpan dot org>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009-2015 by Thomas R. Wyant, III
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl 5.10.0. For more details, see the full text
of the licenses in the directory LICENSES.
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
=cut
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