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|
#!/usr/bin/perl
#
# Author: Tomi Ollila
# License: same as notmuch
#
# This program is used to generate mdwn-formatted notmuch manual pages
# for notmuch wiki. Example run:
#
# $ ./devel/man-to-mdwn.pl man ../notmuch-wiki
#
# In case taken into more generic use, modify these comments and examples.
use 5.8.1;
use strict;
use warnings;
unless (@ARGV == 2) {
warn "\n$0 <source-directory> <destination-directory>\n\n";
# Remove/edit this comment if this script is taken into generic use.
warn "Example: ./devel/man-to-mdwn.pl man ../notmuch-wiki\n\n";
exit 1;
}
die "'$ARGV[0]': no such source directory\n" unless -d $ARGV[0];
die "'$ARGV[1]': no such destination directory\n" unless -d $ARGV[1];
#die "'manpages' exists\n" if -e 'manpages';
#die "'manpages.mdwn' exists\n" if -e 'manpages.mdwn';
die "Expecting '$ARGV[1]/manpages' to exist.\n" .
"Please create it first or adjust <destination-directory>.\n"
unless -d $ARGV[1] . '/manpages';
my $ev = 0;
my %fhash;
open P, '-|', 'find', $ARGV[0], qw/-name *.[0-9] -print/;
while (<P>)
{
chomp;
next unless -f $_; # follows symlink.
$ev = 1, warn "'$_': no such file\n" unless -f $_;
my ($in, $on) = ($_, $_);
$on =~ s|.*/||; $on =~ tr/./-/;
my $f = $fhash{$on};
$ev = 1, warn "'$in' collides with '$f' ($on.mdwn)\n" if defined $f;
$fhash{$on} = $in;
}
close P;
#undef $ENV{'GROFF_NO_SGR'};
#delete $ENV{'GROFF_NO_SGR'};
$ENV{'GROFF_NO_SGR'} = '1';
$ENV{'TERM'} = 'vt100'; # does this matter ?
my %htmlqh = qw/& & < < > > ' ' " "/;
# do html quotation to $_[0] (which is an alias to the given arg)
sub htmlquote($)
{
$_[0] =~ s/([&<>'"])/$htmlqh{$1}/ge;
}
sub maymakelink($);
sub mayconvert($$);
#warn keys %fhash, "\n";
while (my ($k, $v) = each %fhash)
{
#next if -l $v; # skip symlinks here. -- not... references there may be.
my @lines;
#open I, '-|', qw/groff -man -T utf8/, $v;
open I, '-|', qw/groff -man -T latin1/, $v; # this and GROFF_NO_SGR='1'
my ($emptyline, $pre, $hl) = (0, 0, 'h1');
while (<I>) {
if (/^\s*$/) {
$emptyline = 1;
next;
}
s/(?<=\S)\s{8,}.*//; # $hl = 'h1' if s/(?<=\S)\s{8,}.*//;
htmlquote $_;
s/[_&]\010&/&/g;
s/((?:_\010[^_])+)/<u>$1<\/u>/g;
s/_\010(.)/$1/g;
s/((?:.\010.)+)/<b>$1<\/b>/g;
s/.\010(.)/$1/g;
if (/^\S/) {
$pre = 0, push @lines, "</pre>\n" if $pre;
s/<\/?b>//g;
chomp;
$_ = "\n<$hl>$_</$hl>\n";
$hl = 'h2';
$emptyline = 0;
}
elsif (/^\s\s\s\S/) {
$pre = 0, push @lines, "</pre>\n" if $pre;
s/(?:^\s+)?<\/?b>//g;
chomp;
$_ = "\n<h3> $_</h3>\n";
$emptyline = 0;
}
else {
$pre = 1, push @lines, "<pre>\n" unless $pre;
$emptyline = 0, push @lines, "\n" if $emptyline;
}
push @lines, $_;
}
$lines[0] =~ s/^\n//;
$k = "$ARGV[1]/manpages/$k.mdwn";
open O, '>', $k or die;
print STDOUT 'Writing ', "'$k'\n";
select O;
my $pe = '';
foreach (@lines) {
if ($pe) {
if (s/^(\s+)<b>([^<]+)<\/b>\((\d+)\)//) {
my $link = maymakelink "$pe-$2-$3";
$link = maymakelink "$pe$2-$3" unless $link;
if ($link) {
print "<a href='$link'>$pe-</a>\n";
print "$1<a href='$link'>$2</a>($3)";
}
else {
print "<b>$pe-</b>\n";
print "$1<b>$2</b>($3)";
}
} else {
print "<b>$pe-</b>\n";
}
$pe = '';
}
s/<b>([^<]+)<\/b>\((\d+)\)/mayconvert($1, $2)/ge;
$pe = $1 if s/<b>([^<]+)-<\/b>\s*$//;
print $_;
}
}
sub maymakelink($)
{
# warn "$_[0]\n";
return "../$_[0]/" if exists $fhash{$_[0]};
return '';
}
sub mayconvert($$)
{
my $f = "$_[0]-$_[1]";
# warn "$f\n";
return "<a href='../$f/'>$_[0]</a>($_[1])" if exists $fhash{$f};
return "<b>$_[0]</b>($_[1])";
}
# Finally, make manpages.mdwn
open O, '>', $ARGV[1] . '/manpages.mdwn' or die $!;
print STDOUT "Writing '$ARGV[1]/manpages.mdwn'\n";
select O;
print "Manual page index\n";
print "=================\n\n";
sub srt { my ($x, $y) = ($a, $b); $x =~ tr/./-/; $y =~ tr/./-/; $x cmp $y; }
foreach (sort srt values %fhash)
{
my $in = $_;
open I, '<', $in or die $!;
my $s;
while (<I>) {
if (/^\s*[.]TH\s+\S+\s+(\S+)/) {
$s = $1;
last;
}
}
while (<I>) {
last if /^\s*[.]SH NAME/
}
my $line = '';
while (<I>) {
tr/\\//d;
if (/\s*(\S+)\s+(.*)/) {
my $e = $2;
# Ignoring the NAME in file, get from file name instead.
#my $on = (-l $in)? readlink $in: $in;
my $on = $in;
$on =~ tr/./-/; $on =~ s|.*/||;
my $n = $in; $n =~ s|.*/||; $n =~ tr/./-/; $n =~ s/-[^-]+$//;
$line = "<a href='$on/'>$n</a>($s) $e\n";
last;
}
}
die "No NAME in '$in'\n" unless $line;
print "* $line";
#warn $line;
}
|
