diff options
Diffstat (limited to 'lib/cli++/cli++topod.pl')
| -rw-r--r-- | lib/cli++/cli++topod.pl | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/lib/cli++/cli++topod.pl b/lib/cli++/cli++topod.pl new file mode 100644 index 0000000..5d2ef13 --- /dev/null +++ b/lib/cli++/cli++topod.pl @@ -0,0 +1,213 @@ +#!/usr/bin/perl + +sub cstr2pod { + local($_) = shift; + s/\\"/"/go; + s/"([^\"]*)"/"C<$1>"/go; + $_; +} + +$section = 1; + +@section_order = ( + 'NAME', + 'SYNOPSIS', + 'DESCRIPTION', + 'OPTIONS', + 'RETURN VALUE', + 'ERRORS', + 'EXAMPLES', + 'ENVIRONMENT', + 'FILES', + 'SEE ALSO', + 'NOTES', + 'CAVEATS', + 'WARNINGS', + 'DIAGNOSTICS', + 'BUGS', + 'RESTRICTIONS', + 'AUTHOR', + 'AUTHORS', + 'HISTORY' + ); + +sub type2word { + my($type) = shift; + return 'INT' if $type eq 'integer'; + return 'UINT' if $type eq 'ulong'; + return 'STR' if $type eq 'string' || $type eq 'stringlist'; + return '' if $type eq 'flag' || $type eq 'counter'; + die "Invalid cli option type '$type'"; +} + +sub add_option { + my($short, $long, $type, $desc) = @_; + + my $s = '[B<'; + my $o = '=item B<'; + if($short) { + $s .= "-$short"; + $o .= "-$short"; + if($type) { + $s .= " $type"; + $o .= " $type"; + } + } + if($short && $long) { + $s .= ">]\n[B<"; + $o .= ">, B<"; + } + if($long) { + $s .= "--$long"; + $o .= "--$long"; + if($type) { + $s .= "=$type"; + $o .= "=$type"; + } + } + $s .= ">]\n"; + $o .= ">\n\n$desc\n\n"; + + $synopsis .= $s; + $options = "=over 8\n\n" unless $options; + $options .= $o; +} + +sub parse_option { + local($_) = shift; + s/^\s*\{\s*//o; + s/\s*\},?\s*/ /o; + + my $short = $1 if s/^'([^\'])',\s*//o; + die "Invalid cli option" unless $short || s/^0,\s*//o; + + my $long = $1 if s/^"([^\"]+)",\s*//o; + die "Invalid cli_option" unless $long || s/^0,\s*//o; + + my $type = $1 if s/^cli_option::(\S+),\s*//o; + die "Invalid cli_option" unless $type; + $type = &type2word($type); + + my $val = $1 if s/^([^,]+),\s*//o; + my $var = $1 if s/^&([^,]+),\s*//o; + + my $desc = cstr2pod($1) if s/^"([^,]+)",\s*//o; + die "Invalid cli_option" unless $desc; + $desc =~ s/\.?$/./o if $desc; + + my $default = $1 if s/^"([^\"]+)"\s+//o; + die "Invalid cli_option" unless $default || s/^0\s+//o; + $desc .= " Defaults to $default." if $default; + + s/\s*\/\/\s*/ /go; + s/^\s*//o; + + add_option($short, $long, $type, $_ || $desc); +} + +sub parse_options { + $synopsis = "B<$program>\n"; + + my $line; + while(<>) { + s/^\s+//o; + s/\s+$//o; + if($line && /^\{/o) { + &parse_option($line); + $line = ""; + } + next if /^\{\s*0\s*\},?/o; + next if /^\{\s*0\s*,\s*\},?/o; + last if /^\s*\};/o; + $line =~ s/$/ $_/; + } + &parse_option($line) if $line; + + $synopsis .= "I<$usage>" if $usage; + $options .= "=back" if $options; + $sections{'SYNOPSIS'} = $synopsis; + $sections{'OPTIONS'} = $options; +} + +sub parse_notes { + my $section; + my $title; + while(<>) { + chomp; + last unless /^$/o || s/^\/\/\s*//o; + if(/^[\sA-Z]+$/o) { + $sections{$title} = $section if $title && $section; + undef $section; + $title = $_; + } else { + $section .= "$_\n"; + } + } + $sections{$title} = $section if $title && $section; +} + +sub parse_header_line { + local($_, $comment) = @_; + if(s/^\s*const\s+char\s*\*\s*cli_(\S+)\s*=\s*//o) { + my $name = $1; + s/;\s*$//o; + s/^\"//; + s/\"$//o; + s/\\n$//o; + s/\\n""/\n/go; + $program = $_ if $name eq 'program'; + $prefix = $_ if $name eq 'help_prefix'; + $usage = $_ if $name eq 'args_usage'; + $suffix = $_ if $name eq 'help_suffix'; + } +} + +sub parse_header { + my $comment = ''; + my $line = ''; + while(<>) { + s/^\s+//o; + s/\s+$//o; + if(s/^.*Copyright\s*\(C\)\s*[\d,]+\s*//o) { + $author = $_; + } else { + last if ($program && $prefix && /^$/o); + next if /^#/o; + $comment .= "$1\n" if s|\s*//\s*(.*)$||o; + $line =~ s/$/\n$_/; + if(/;$/o) { + &parse_header_line($line, $comment); + undef $line; + undef $comment; + } + } + } +} + +sub parse_description { + while(<>) { + s/^\s+//o; + s/\s+$//o; + last if / cli_options\[\]\s*=\s*\{/o; + next unless s/^\/\/\s*//o; + $description .= "$_\n"; + } +} + +&parse_header; +&parse_description; +&parse_options; +&parse_notes; + +$description .= "\n\n$suffix\n" if $suffix; + +$sections{'NAME'} = "$program - $prefix"; +$sections{'DESCRIPTION'} = $description; +$sections{'AUTHORS'} = $author if $author; + +foreach $section (@section_order) { + print "=head1 $section\n\n$sections{$section}\n\n" + if $sections{$section}; +} + +1; |