✏️ Editing: Methody.pm Read Only

require 5;
package Pod::Simple::Methody;
use strict;
use Pod::Simple ();
use vars qw(@ISA $VERSION);
$VERSION = '3.42';
@ISA = ('Pod::Simple');

# Yes, we could use named variables, but I want this to be impose
# as little an additional performance hit as possible.

sub _handle_element_start {
  $_[1] =~ tr/-:./__/;
  ( $_[0]->can( 'start_' . $_[1] )
    || return
  )->(
    $_[0], $_[2]
  );
}

sub _handle_text {
  ( $_[0]->can( 'handle_text' )
    || return
  )->(
    @_
  );
}

sub _handle_element_end {
  $_[1] =~ tr/-:./__/;
  ( $_[0]->can( 'end_' . $_[1] )
    || return
  )->(
    $_[0], $_[2]
  );
}

__END__

=head1 NAME

Pod::Simple::Methody -- turn Pod::Simple events into method calls

=head1 SYNOPSIS

require 5;
 use strict;
 package SomePodFormatter;
 use base qw(Pod::Simple::Methody);

sub handle_text {
   my($self, $text) = @_;
   ...
 }

sub start_head1 {
   my($self, $attrs) = @_;
   ...
 }
 sub end_head1 {
   my($self) = @_;
   ...
 }

...and start_/end_ methods for whatever other events you want to catch.

=head1 DESCRIPTION

This class is of
interest to people writing Pod formatters based on Pod::Simple.

This class (which is very small -- read the source) overrides
Pod::Simple's _handle_element_start, _handle_text, and
_handle_element_end methods so that parser events are turned into method
calls. (Otherwise, this is a subclass of L<Pod::Simple> and inherits all
its methods.)

You can use this class as the base class for a Pod formatter/processor.

=head1 METHOD CALLING

When Pod::Simple sees a "=head1 Hi there", for example, it basically does
this:

$parser->_handle_element_start( "head1", \%attributes );
  $parser->_handle_text( "Hi there" );
  $parser->_handle_element_end( "head1" );

But if you subclass Pod::Simple::Methody, it will instead do this
when it sees a "=head1 Hi there":

$parser->start_head1( \%attributes ) if $parser->can('start_head1');
  $parser->handle_text( "Hi there" )   if $parser->can('handle_text');
  $parser->end_head1()                 if $parser->can('end_head1');

If Pod::Simple sends an event where the element name has a dash,
period, or colon, the corresponding method name will have a underscore
in its place.  For example, "foo.bar:baz" becomes start_foo_bar_baz
and end_foo_bar_baz.

See the source for Pod::Simple::Text for an example of using this class.

=head1 SEE ALSO

L<Pod::Simple>, L<Pod::Simple::Subclassing>

=head1 SUPPORT

Questions or discussion about POD and Pod::Simple should be sent to the
pod-people@perl.org mail list. Send an empty email to
pod-people-subscribe@perl.org to subscribe.

This module is managed in an open GitHub repository,
L<https://github.com/perl-pod/pod-simple/>. Feel free to fork and contribute, or
to clone L<git://github.com/perl-pod/pod-simple.git> and send patches!

Patches against Pod::Simple are welcome. Please send bug reports to
<bug-pod-simple@rt.cpan.org>.

=head1 COPYRIGHT AND DISCLAIMERS

This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.

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.

=head1 AUTHOR

Pod::Simple was created by Sean M. Burke <sburke@cpan.org>.
But don't bother him, he's retired.

Pod::Simple is maintained by:

=over

=item * Allison Randal C<allison@perl.org>

=item * Hans Dieter Pearcey C<hdp@cpan.org>

=item * David E. Wheeler C<dwheeler@cpan.org>

=back

=cut

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