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devel: make man-to-mdwn.pl to work with generated manual pages

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The new manual pages converted from rst using sphinx or rst2man
has somewhat different syntax. man-to-mdwn.pl is now adjusted
to produce even better output from this syntax. The changes also
include using utf-8 locale (e.g. for tables and generated hypens)
and and quite a few bugs fixes.
This tool still produces better results than just using the
html pages generated using sphinx / rst2html. For example those
tools don't create inter-page hyperlinks -- and the preformatted
pages written by man-to-mdwn.pl just works well with manual page
content.
This commit is contained in:
Tomi Ollila 2014-08-04 20:39:32 +03:00 committed by David Bremner
parent 0d40b37954
commit f7be8f4ebf
1 changed files with 22 additions and 20 deletions
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42
devel/man-to-mdwn.pl
View file

@ -6,18 +6,18 @@
# This program is used to generate mdwn-formatted notmuch manual pages # This program is used to generate mdwn-formatted notmuch manual pages
# for notmuch wiki. Example run: # for notmuch wiki. Example run:
# #
# $ ./devel/man-to-mdwn.pl man ../notmuch-wiki # $ ./devel/man-to-mdwn.pl doc/_build/man ../notmuch-wiki
# #
# In case taken into more generic use, modify these comments and examples. # In case taken into more generic use, modify these comments and examples.
use 5.8.1; use 5.10.1;
use strict; use strict;
use warnings; use warnings;
unless (@ARGV == 2) { unless (@ARGV == 2) {
warn "\n$0 <source-directory> <destination-directory>\n\n"; warn "\n$0 <source-directory> <destination-directory>\n\n";
# Remove/edit this comment if this script is taken into generic use. # Remove/edit this comment if this script is taken into generic use.
warn "Example: ./devel/man-to-mdwn.pl man ../notmuch-wiki\n\n"; warn "Example: ./devel/man-to-mdwn.pl doc/_build/man ../notmuch-wiki\n\n";
exit 1; exit 1;
} }
@ -48,11 +48,6 @@ while (<P>)
} }
close P; 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/& &amp; < &lt; > &gt; ' &apos; " &quot;/; my %htmlqh = qw/& &amp; < &lt; > &gt; ' &apos; " &quot;/;
# do html quotation to $_[0] (which is an alias to the given arg) # do html quotation to $_[0] (which is an alias to the given arg)
sub htmlquote($) sub htmlquote($)
@ -70,8 +65,11 @@ while (my ($k, $v) = each %fhash)
#next if -l $v; # skip symlinks here. -- not... references there may be. #next if -l $v; # skip symlinks here. -- not... references there may be.
my @lines; my @lines;
#open I, '-|', qw/groff -man -T utf8/, $v; open I, '-|', qw/env -i/, "PATH=$ENV{PATH}",
open I, '-|', qw/groff -man -T latin1/, $v; # this and GROFF_NO_SGR='1' qw/TERM=vt100 LANG=en_US.utf8 LC_ALL=en_US.utf8/,
qw/GROFF_NO_SGR=1 MAN_KEEP_FORMATTING=1 MANWIDTH=80/,
qw/man/, $v or die "$!";
binmode I, ':utf8';
my ($emptyline, $pre, $hl) = (0, 0, 'h1'); my ($emptyline, $pre, $hl) = (0, 0, 'h1');
while (<I>) { while (<I>) {
@ -79,13 +77,15 @@ while (my ($k, $v) = each %fhash)
$emptyline = 1; $emptyline = 1;
next; next;
} }
s/(?<=\S)\s{8,}.*//; # $hl = 'h1' if s/(?<=\S)\s{8,}.*//; # keep only leftmost in lines like 'NOTMUCH(1) notmuch NOTMUCH(1)'
htmlquote $_; s/\S\K\s{8,}\S.+\s{8,}\S.*//; # $hl = 'h1' if s/(?<=\S)\s{8,}.*//;
s/[_&]\010&/&/g; s/[_&]\010&/&/g;
s/((?:_\010[^_])+)/<u>$1<\/u>/g; s/((?:_\010[^_])+)/\001u\002$1\001\/u\002/g;
s/_\010(.)/$1/g; s/_\010(.)/$1/g;
s/((?:.\010.)+)/<b>$1<\/b>/g; s/((?:.\010.)+)/\001b\002$1\001\/b\002/g;
s/.\010(.)/$1/g; s/.\010(.)/$1/g;
htmlquote $_;
s/\001/</g; s/\002/>/g;
if (/^\S/) { if (/^\S/) {
$pre = 0, push @lines, "</pre>\n" if $pre; $pre = 0, push @lines, "</pre>\n" if $pre;
@ -111,16 +111,18 @@ while (my ($k, $v) = each %fhash)
$lines[0] =~ s/^\n//; $lines[0] =~ s/^\n//;
$k = "$ARGV[1]/manpages/$k.mdwn"; $k = "$ARGV[1]/manpages/$k.mdwn";
open O, '>', $k or die; open O, '>', $k or die;
binmode O, ':utf8';
print STDOUT 'Writing ', "'$k'\n"; print STDOUT 'Writing ', "'$k'\n";
select O; select O;
my $pe = ''; my ($pe, $hyphen) = ('', '');
foreach (@lines) { foreach (@lines) {
#print $_; next;
if ($pe) { if ($pe) {
if (s/^(\s+)<b>([^<]+)<\/b>\((\d+)\)//) { if (s/^(\s+)<b>([^<]+)\((\d+)\)<\/b>//) {
my $link = maymakelink "$pe-$2-$3"; my $link = maymakelink "$pe-$2-$3";
$link = maymakelink "$pe$2-$3" unless $link; $link = maymakelink "$pe$2-$3" unless $link;
if ($link) { if ($link) {
print "<a href='$link'>$pe-</a>\n"; print "<a href='$link'>$pe$hyphen</a>\n";
print "$1<a href='$link'>$2</a>($3)"; print "$1<a href='$link'>$2</a>($3)";
} }
else { else {
@ -132,8 +134,8 @@ while (my ($k, $v) = each %fhash)
} }
$pe = ''; $pe = '';
} }
s/<b>([^<]+)<\/b>\((\d+)\)/mayconvert($1, $2)/ge; s/<b>([^<]+)\((\d+)\)<\/b>/mayconvert($1, $2)/ge;
$pe = $1 if s/<b>([^<]+)-<\/b>\s*$//; ($pe, $hyphen) = ($1, $2) if s/<b>([^<]+)([-\x{2010}])<\/b>\s*$//;
print $_; print $_;
} }
} }
@ -169,7 +171,7 @@ foreach (sort srt values %fhash)
open I, '<', $in or die $!; open I, '<', $in or die $!;
my $s; my $s;
while (<I>) { while (<I>) {
if (/^\s*[.]TH\s+\S+\s+(\S+)/) { if (/^\s*[.]TH\s+\S+\s+"?(\S+?)"?\s/) {
$s = $1; $s = $1;
last; last;
} }