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# -*- Mode: Cperl -*- |
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# Nroff.pm -- |
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# ITIID : $ITI$ $Header $__Header$ |
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# Author : Ulrich Pfeifer |
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# Created On : Mon Sep 16 15:54:25 1996 |
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# Last Modified By: Ulrich Pfeifer |
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# Last Modified On: Sun Nov 22 18:44:41 1998 |
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# Language : CPerl |
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# Update Count : 160 |
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# Status : Unknown, Use with caution! |
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# |
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# Copyright (c) 1996-1997, Ulrich Pfeifer |
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# |
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|
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package WAIT::Parse::Nroff; |
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require WAIT::Parse::Base; |
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use vars qw(@ISA %GOOD_HEADER $DEFAULT_HEADER); |
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@ISA = qw(WAIT::Parse::Base); |
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|
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%GOOD_HEADER = ( |
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name => 1, |
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synopsis => 1, |
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options => 1, |
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description => 1, |
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author => 1, |
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example => 1, |
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bugs => 1, |
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text => 1, |
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see => 1, |
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environment => 1, |
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); |
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my $HEADER_REGEXP = uc join '|', keys %GOOD_HEADER; |
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$DEFAULT_HEADER = 'text'; |
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|
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sub split { # called as method |
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my %result; |
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my $fld = $DEFAULT_HEADER; # do not drop any words |
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my $indent = 8; |
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# initialize to make perl -w happy |
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@result{keys %GOOD_HEADER} = ('') x scalar(keys %GOOD_HEADER); |
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|
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$_[1] =~ s/-\s*\n\s*//g; |
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$_[1] =~ s/.//g; |
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for (split /\n/, $_[1]) { |
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if (s/^(\s*)($HEADER_REGEXP)\b//o) { |
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my $id = length($1); |
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if ($id <= $indent) { |
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$fld = lc($2); |
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if ($id < $indent) { |
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# Some weired systems (IRIX) have a left margin here! |
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# so let's adapt to the smallest one |
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$indent = $id; |
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} |
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} |
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} |
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|
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$result{$fld} .= $_ . ' '; |
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} |
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#print STDERR "\n"; |
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return \%result; # we go for speed |
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} |
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|
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sub tag { # called as method |
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my @result; |
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my $tag = $DEFAULT_HEADER; # do not drop any words |
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my $text = ''; |
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my $line = 0; |
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|
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for (split /\n/, $_[1]) { |
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$line++; |
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$line -= 66 if $line > 66; |
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next if $line < 5; |
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next if $line > 62; |
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next if $line < 8 and /^\s*$/; |
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next if $line > 59 and /^\s*$/; |
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if (s/^((([A-Z])(\3)+){3,})//) { |
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my $header = WAIT::Filter::unroff($1); |
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push @result, _tag($text, $tag); |
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$text = ''; |
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push @result, {_b => 1}, $header; |
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$header = lc $header; |
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$tag = ($GOOD_HEADER{$header}?$header:$DEFAULT_HEADER); |
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} |
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$text .= "$_\n"; |
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} |
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push @result, _tag($text, $tag); |
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return @result; # we don't go for speed |
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} |
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|
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sub _tag { |
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local($_) = shift; |
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my $tag = shift; |
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|
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return unless defined $tag; |
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#print STDERR "$tag-"; |
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my @result; |
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my ($b, $i, $n); |
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if (defined $tag) { |
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$b = {$tag => 1, _b => 1}; |
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$i = {$tag => 1, _i => 1}; |
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$n = {$tag => 1}; |
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} else { |
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$b = {_b => 1}; |
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$i = {_i => 1}; |
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$n = {}; |
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} |
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while (length($_)) { |
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if (s/^(((.)(\3)+)+\s*)//o) { |
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push @result, $b, WAIT::Filter::unroff($1); |
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} elsif (s/^((_.)+)//o) { |
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push @result, $i, WAIT::Filter::unroff($1); |
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} elsif (s/^([^]+)(.)/$2/o) { |
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push @result, $n, $1; |
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} else { |
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s/.//g; |
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push @result, $n, $_; |
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$_ = ''; |
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} |
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} |
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#print STDERR '+'; |
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@result; |
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} |
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|
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|
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package WAIT::Filter; |
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|
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sub unroff { |
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my $text = shift; |
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$text =~ s/.//g; |
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$text; |
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} |
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|
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1; |
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__END__ |
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sub bold { |
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join '', map "$_($_)+", grep /./, split /(.)/, $_[0]; |
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} |
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