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| Dir : //usr/share/perl5/vendor_perl/Pod/Simple/Checker.pm |
# A quite dimwitted pod2plaintext that need only know how to format whatever
# text comes out of Pod::BlackBox's _gen_errata
require 5;
package Pod::Simple::Checker;
use strict;
use Carp ();
use Pod::Simple::Methody ();
use Pod::Simple ();
use vars qw( @ISA $VERSION );
$VERSION = '3.35';
@ISA = ('Pod::Simple::Methody');
BEGIN { *DEBUG = defined(&Pod::Simple::DEBUG)
? \&Pod::Simple::DEBUG
: sub() {0}
}
use Text::Wrap 98.112902 (); # was 2001.0131, but I don't think we need that
$Text::Wrap::wrap = 'overflow';
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sub any_errata_seen { # read-only accessor
return $_[1]->{'Errata_seen'};
}
sub new {
my $self = shift;
my $new = $self->SUPER::new(@_);
$new->{'output_fh'} ||= *STDOUT{IO};
$new->nix_X_codes(1);
$new->nbsp_for_S(1);
$new->{'Thispara'} = '';
$new->{'Indent'} = 0;
$new->{'Indentstring'} = ' ';
$new->{'Errata_seen'} = 0;
return $new;
}
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sub handle_text { $_[0]{'Errata_seen'} and $_[0]{'Thispara'} .= $_[1] }
sub start_Para { $_[0]{'Thispara'} = '' }
sub start_head1 {
if($_[0]{'Errata_seen'}) {
$_[0]{'Thispara'} = '';
} else {
if($_[1]{'errata'}) { # start of errata!
$_[0]{'Errata_seen'} = 1;
$_[0]{'Thispara'} = $_[0]{'source_filename'} ?
"$_[0]{'source_filename'} -- " : ''
}
}
}
sub start_head2 { $_[0]{'Thispara'} = '' }
sub start_head3 { $_[0]{'Thispara'} = '' }
sub start_head4 { $_[0]{'Thispara'} = '' }
sub start_Verbatim { $_[0]{'Thispara'} = '' }
sub start_item_bullet { $_[0]{'Thispara'} = '* ' }
sub start_item_number { $_[0]{'Thispara'} = "$_[1]{'number'}. " }
sub start_item_text { $_[0]{'Thispara'} = '' }
sub start_over_bullet { ++$_[0]{'Indent'} }
sub start_over_number { ++$_[0]{'Indent'} }
sub start_over_text { ++$_[0]{'Indent'} }
sub start_over_block { ++$_[0]{'Indent'} }
sub end_over_bullet { --$_[0]{'Indent'} }
sub end_over_number { --$_[0]{'Indent'} }
sub end_over_text { --$_[0]{'Indent'} }
sub end_over_block { --$_[0]{'Indent'} }
# . . . . . Now the actual formatters:
sub end_head1 { $_[0]->emit_par(-4) }
sub end_head2 { $_[0]->emit_par(-3) }
sub end_head3 { $_[0]->emit_par(-2) }
sub end_head4 { $_[0]->emit_par(-1) }
sub end_Para { $_[0]->emit_par( 0) }
sub end_item_bullet { $_[0]->emit_par( 0) }
sub end_item_number { $_[0]->emit_par( 0) }
sub end_item_text { $_[0]->emit_par(-2) }
sub emit_par {
return unless $_[0]{'Errata_seen'};
my($self, $tweak_indent) = splice(@_,0,2);
my $indent = ' ' x ( 2 * $self->{'Indent'} + ($tweak_indent||0) );
# Yes, 'STRING' x NEGATIVE gives '', same as 'STRING' x 0
$self->{'Thispara'} =~ s/$Pod::Simple::shy//g;
my $out = Text::Wrap::wrap($indent, $indent, $self->{'Thispara'} .= "\n");
$out =~ s/$Pod::Simple::nbsp/ /g;
print {$self->{'output_fh'}} $out,
#"\n"
;
$self->{'Thispara'} = '';
return;
}
# . . . . . . . . . . And then off by its lonesome:
sub end_Verbatim {
return unless $_[0]{'Errata_seen'};
my $self = shift;
$self->{'Thispara'} =~ s/$Pod::Simple::nbsp/ /g;
$self->{'Thispara'} =~ s/$Pod::Simple::shy//g;
my $i = ' ' x ( 2 * $self->{'Indent'} + 4);
$self->{'Thispara'} =~ s/^/$i/mg;
print { $self->{'output_fh'} } '',
$self->{'Thispara'},
"\n\n"
;
$self->{'Thispara'} = '';
return;
}
#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
1;
__END__
=head1 NAME
Pod::Simple::Checker -- check the Pod syntax of a document
=head1 SYNOPSIS
perl -MPod::Simple::Checker -e \
"exit Pod::Simple::Checker->filter(shift)->any_errata_seen" \
thingy.pod
=head1 DESCRIPTION
This class is for checking the syntactic validity of Pod.
It works by basically acting like a simple-minded version of
L<Pod::Simple::Text> that formats only the "Pod Errors" section
(if Pod::Simple even generates one for the given document).
This is a subclass of L<Pod::Simple> and inherits all its methods.
=head1 SEE ALSO
L<Pod::Simple>, L<Pod::Simple::Text>, L<Pod::Checker>
=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
Copyright (c) 2002 Sean M. Burke.
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