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PPIx::Regexp::Token::GroupType(User Contributed Perl DocumentatiPPIx::Regexp::Token::GroupType(3)

NAME
       PPIx::Regexp::Token::GroupType - Represent a grouping parenthesis type.

SYNOPSIS
	use PPIx::Regexp::Dumper;
	PPIx::Regexp::Dumper->new( 'qr{(?i:foo)}smx' )
	    ->print();

INHERITANCE
       "PPIx::Regexp::Token::GroupType" is a PPIx::Regexp::Token.

       "PPIx::Regexp::Token::GroupType" is the parent of
       PPIx::Regexp::Token::GroupType::Assertion, PPIx::Regexp::Token::GroupType::BranchReset,
       PPIx::Regexp::Token::GroupType::Code, PPIx::Regexp::Token::GroupType::Modifier,
       PPIx::Regexp::Token::GroupType::NamedCapture,
       PPIx::Regexp::Token::GroupType::Subexpression and PPIx::Regexp::Token::GroupType::Switch.

DESCRIPTION
       This class represents any of the magic sequences of characters that can follow an open
       parenthesis. This particular class is intended to be abstract.

METHODS
       This class provides no public methods beyond those provided by its superclass.

   __defining_string
	my $string = $class->__defining_string();

       This method is private to the "PPIx-Regexp" package, and is documented for the author's
       benefit only. It may be changed or revoked without notice.

       This method returns an array of strings that define the specific group type.  These
       strings will normally start with '?'.

       Optionally, the first returned item may be a hash reference. The only supported key is
       "{suffix}", which is a string to be suffixed to each of the regular expressions made by
       "__make_group_type_matcher()" out of the defining strings, inside a "(?= ... )", so that
       it is not included in the match.

       This method must be overridden, unless "__make_group_type_matcher()" is.

   __make_group_type_matcher
	my $hash_ref = $class->__make_group_type_matcher();

       This method is private to the "PPIx-Regexp" package, and is documented for the author's
       benefit only. It may be changed or revoked without notice.

       This method returns a reference to a hash. The keys are regexp delimiter characters which
       appear in the defining strings for the group type. For each key, the value is a reference
       to an array of "Regexp" objects, properly escaped for the key character. Key '' provides
       the regular expressions to be used if the regexp delimiter does not appear in any of the
       defining strings.

       If this method is overridden by the subclass, method "__defining_string()" need not be,
       unless the overridden "__make_group_type_matcher()" calls "__defining_string()".

   __match_setup
	$class->__match_setup( $tokenizer );

       This method is private to the "PPIx-Regexp" package, and is documented for the author's
       benefit only. It may be changed or revoked without notice.

       This method performs whatever setup is needed once it is determined that the given group
       type has been detected.	This method is called only if the class matched at the current
       position in the string being parsed. It must perform whatever extra setup is needed for
       the match. It returns nothing.

       This method need not be overridden. The default does nothing.

SUPPORT
       Support is by the author. Please file bug reports at <http://rt.cpan.org>, or in
       electronic mail to the author.

AUTHOR
       Thomas R. Wyant, III wyant at cpan dot org

COPYRIGHT AND LICENSE
       Copyright (C) 2009-2013 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.

perl v5.16.3				    2014-06-10		PPIx::Regexp::Token::GroupType(3)
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