File Coverage

blib/lib/Pod/Simple/Checker.pm

Criterion	Covered	Total	%
statement	19	82	23.1
branch	1	16	6.2
condition	0	4	0.0
subroutine	7	37	18.9
pod	2	30	6.6
total	29	169	17.1

# A quite dimwitted pod2plaintext that need only know how to format whatever
# text comes out of Pod::BlackBox's _gen_errata

package Pod::Simple::Checker;
use strict;
use warnings;
use Carp ();
use Pod::Simple::Methody ();
use Pod::Simple ();
our $VERSION = '3.45';
our @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
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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 $length = 2 * $self->{'Indent'} + ($tweak_indent||0);
  my $indent = ' ' x ($length > 0 ? $length : 0);
   # Yes, 'STRING' x NEGATIVE gives '', same as 'STRING' x 0
   # 'Negative repeat count does nothing' since 5.22

  $self->{'Thispara'} =~ s/$Pod::Simple::shy//g;
  local $Text::Wrap::wrap = 'overflow';
  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__