NAME
PPIx::Regexp::Token::Operator - Represent an operator.
SYNOPSIS
use PPIx::Regexp::Dumper;
PPIx::Regexp::Dumper->new( 'qr{foo|bar}smx' )
->print();
INHERITANCE
PPIx::Regexp::Token::Operator
is a PPIx::Regexp::Token.
PPIx::Regexp::Token::Operator
has no descendants.
DESCRIPTION
This class represents an operator. In a character class, it represents the negation (^
) and range (-
) operators. Outside a character class, it represents the alternation (|
) operator.
METHODS
This class provides no public methods beyond those provided by its superclass.
operation
This method returns the name of the operation performed by the operator. This depends not only on the operator itself but its context:
- In a bracketed character class
-
'-' => 'range', '^' => 'inversion',
- In an extended bracketed character class
-
'&' => 'intersection', '+' => 'union', '|' => 'union', '-' => 'subtraction', '^' => 'symmetric_difference', '!' => 'complement',
- Outside any sort of bracketed character class
-
'|' => 'alternation',
SUPPORT
Support is by the author. Please file bug reports at https://rt.cpan.org/Public/Dist/Display.html?Name=PPIx-Regexp, https://github.com/trwyant/perl-PPIx-Regexp/issues, or in electronic mail to the author.
AUTHOR
Thomas R. Wyant, III wyant at cpan dot org
COPYRIGHT AND LICENSE
Copyright (C) 2009-2023 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.