| 1 | #!/usr/bin/perl |
| 2 | |
| 3 | BEGIN { push @INC, '../lib' } # If you haven't installed perl yet. |
| 4 | use Pod::Functions; |
| 5 | |
| 6 | local $/ = ''; |
| 7 | |
| 8 | $level = 0; |
| 9 | |
| 10 | $cur = ''; |
| 11 | while (<>) { |
| 12 | |
| 13 | next unless /^=(?!cut)/ .. /^=cut/; |
| 14 | |
| 15 | ++$level if /^=over/; |
| 16 | --$level if /^=back/; |
| 17 | |
| 18 | # Ignore items that are nested within other items, e.g. don't split on the |
| 19 | # items nested within the pack() and sprintf() items in perlfunc.pod. |
| 20 | if (/=item (\S+)/ and $level == 1) { |
| 21 | my $item = $1; |
| 22 | s/=item //; |
| 23 | $next{$cur} = $item; |
| 24 | $cur = $item; |
| 25 | $syn{$cur} .= $_; |
| 26 | next; |
| 27 | } else { |
| 28 | s,L</,L<perlfunc/,g; |
| 29 | push @{$pod{$cur}}, $_ if $cur; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | for $f ( keys %syn ) { |
| 34 | next unless $Type{$f}; |
| 35 | $flavor = $Flavor{$f}; |
| 36 | $orig = $f; |
| 37 | ($name = $f) =~ s/\W//g; |
| 38 | |
| 39 | # deal with several functions sharing a description |
| 40 | $func = $orig; |
| 41 | $func = $next{$func} until $pod{$func}; |
| 42 | my $body = join "", @{$pod{$func}}; |
| 43 | |
| 44 | # deal with unbalanced =over and =back cause by the split |
| 45 | my $has_over = $body =~ /^=over/; |
| 46 | my $has_back = $body =~ /^=back/; |
| 47 | $body =~ s/^=over\s*//m if $has_over and !$has_back; |
| 48 | $body =~ s/^=back\s*//m if $has_back and !$has_over; |
| 49 | open (POD, "> $name.pod") || die "can't open $name.pod: $!"; |
| 50 | print POD <<EOF; |
| 51 | \=head1 NAME |
| 52 | |
| 53 | $orig - $flavor |
| 54 | |
| 55 | \=head1 SYNOPSIS |
| 56 | |
| 57 | $syn{$orig} |
| 58 | |
| 59 | \=head1 DESCRIPTION |
| 60 | |
| 61 | $body |
| 62 | |
| 63 | EOF |
| 64 | |
| 65 | close POD; |
| 66 | |
| 67 | } |