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mirror of git://git.proxmox.com/git/pve-docs.git synced 2025-01-03 01:17:49 +03:00
pve-docs/asciidoc-pve.in
Thomas Lamprecht 4a06054e39 doc-generator: ship our pve-docbook config and use it for manpages
so that it can also be used when generating per-package docs like
manpages.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
2024-03-06 17:59:56 +01:00

630 lines
14 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings;
use Getopt::Long;
use File::Path;
use File::Basename;
use IO::File;
use Cwd;
use JSON;
my $verbose;
my $keep_artifacts;
my $release = '@RELEASE@';
my $clicmd = shift or
die "no command specified\n";
my $data_str = "";
while (<main::DATA>) { $data_str .= $_; }
my $fileinfo = decode_json($data_str);
my $tmpprefix = '.asciidoc-pve-tmp'.$$.'_';
my $adoc_source_dir = "/usr/share/pve-doc-generator";
# inside pve-docs source dir?
if (-f "asciidoc-pve.in" && -f "pve-admin-guide.adoc") {
$adoc_source_dir = getcwd();
}
my $prepared_files = {};
my $man_target = 'man';
my $env_stack = [];
my $env_skip = 0;
my $online_help_links = {
'pve_service_daemons' => {
link => '/pve-docs/index.html#_service_daemons',
title => 'Service Daemons',
},
'pve_documentation_index' => {
link => '/pve-docs/index.html',
title => 'Proxmox VE Documentation Index',
},
'pve_admin_guide' => {
link => '/pve-docs/pve-admin-guide.html',
title => 'Proxmox VE Administration Guide',
},
};
sub debug {
my $msg = shift;
return if !$verbose;
print STDERR "asciidoc-pve: $msg\n";
}
sub push_environment {
my ($env, $skip) = @_;
$skip = 1 if $env_skip;
$skip = 0 if !defined($skip);
push @$env_stack, [$env, $skip];
$env_skip = $skip;
}
sub pop_environment {
my ($env) = @_;
my $last_stack_entry = pop @$env_stack;
die "unable to pop env '$env'" if !defined($last_stack_entry);
my ($last_env, $skip) = @$last_stack_entry;
die "environment missmatch (${last_env} != $env)\n" if $last_env ne $env;
if (!scalar(@$env_stack)) {
$env_skip = 0;
} else {
my (undef, $skip) = @{$env_stack->[-1]};
$env_skip = $skip;
}
}
my $files_for_cleanup = [];
sub cleanup {
return if $keep_artifacts;
foreach my $file (@$files_for_cleanup) {
unlink $file;
}
}
sub replace_wiki_xref {
my ($blockid, $text) = @_;
my $link = $fileinfo->{blockid_target}->{wiki}->{$blockid};
my $reftext = $fileinfo->{reftext}->{wiki}->{$blockid};
die "unable to resolve wiki link (xref:$blockid)\n"
if !defined($link);
$text = $reftext if !length($text);
die "xref: no text for wiki link '$blockid'\n" if !$text;
return "$link\[$text\]";
}
sub replace_default_xref {
my ($blockid, $text) = @_;
my $link = $fileinfo->{blockid_target}->{default}->{$blockid};
my $reftext = $fileinfo->{reftext}->{default}->{$blockid};
die "unable to resolve chapter link (xref:$blockid)\n"
if !defined($link);
$text = $reftext if !length($text);
die "xref: no text for chapter link '$blockid'\n" if !$text;
return "$link\[$text\]";
}
sub replace_man_xref {
my ($blockid, $text) = @_;
my $link = $fileinfo->{blockid_target}->{manvolnum}->{$blockid};
my $reftext = $fileinfo->{reftext}->{manvolnum}->{$blockid};
die "unable to resolve man page link (xref:$blockid)\n"
if !defined($link);
$text = $reftext if !length($text);
die "xref: no text for man page link '$blockid'\n" if !$text;
my $section = $fileinfo->{mansection}->{manvolnum}->{$link};
if (!defined($section)) {
warn "link '$blockid' target '$link' is not a manual page, ignoring\n";
return "$text";
}
if ($man_target eq 'html') {
my $target = $link;
$target =~ s/\.adoc//;
$target .= ".$section";
return "link:${target}.html#${blockid}\[$text\]";
} elsif ($man_target eq 'man') {
my $command = $link;
$command =~ s/\.adoc//;
return "\*${text}\* (man \*${command}\*($section))";
} else {
die "internal error"
}
}
sub replace_xref {
my ($env, $blockid, $text) = @_;
if ($env eq 'wiki') {
return replace_wiki_xref($blockid, $text);
} elsif ($env eq 'manvolnum') {
if (($man_target eq 'man') || ($man_target eq 'html')) {
return replace_man_xref($blockid, $text);
} elsif ($man_target eq 'wiki') {
return replace_wiki_xref($blockid, $text);
} else {
die "internal error"
}
} elsif ($env eq 'default') {
return replace_default_xref($blockid, $text);
} else {
die "internal error";
}
}
sub prepare_adoc_file {
my ($target_env, $filename, $attributes) = @_;
return $prepared_files->{$filename} if defined($prepared_files->{$filename});
debug("prepare $filename");
my $dirname = dirname($filename);
my $basename = basename($filename);
my $outfilename = "$dirname/${tmpprefix}$basename";
$prepared_files->{$filename} = $outfilename;
my $fh = IO::File->new("$filename", "r") or
die "unable to open file '$filename' - $!\n";
my $outfh = IO::File->new("$outfilename", "w") or
die "unable to open temporary file '$outfilename'\n";
push @$files_for_cleanup, $outfilename;
while (defined (my $line = <$fh>)) {
chomp $line;
if ($line =~ m/^if(n?)def::(\S+)\[(.*)\]\s*$/) {
my ($not, $env, $text) = ($1, $2, $3);
die "unsuported ifdef usage - implement me" if $text;
my $skip = !exists($attributes->{$env}) ? 1 : 0;
$skip = ($skip ? 0 : 1 ) if $not;
push_environment($env, $skip);
next;
} elsif ($line =~ m/^endif::(\S+)\[(.*)\]\s*$/) {
my ($env, $text) = ($1, $2);
die "unsuported ifdef usage - implement me" if $text;
pop_environment($env);
next;
}
next if $env_skip;
if ($line =~ m/^include::(\S+)(\[.*\]\s*)$/) {
my ($fn, $rest) = ($1, $2);
debug("include $fn");
my $new_fn = prepare_adoc_file($target_env, $fn, $attributes);
print $outfh "include::${new_fn}$rest\n";
next;
}
if ($line =~ m/xref:\S+?\[[^\]]*$/) {
die "possible xref spanning multiple lines in '$filename':\n(line $.): $line\n";
}
if ($line =~ m/<<((?!\>\>).)*$/) {
die "possible xref spanning multiple lines in '$filename':\n(line $.): $line\n";
}
# fix xrefs
$line =~ s/xref:([^\s\[\]]+)\[([^\]]*)\]/replace_xref(${target_env},$1,$2)/ge;
$line =~ s/<<([^\s,\[\]]+)(?:,(.*?))?>>/replace_xref(${target_env},$1,$2)/ge;
print $outfh $line . "\n";
}
return $outfilename;
}
sub compile_asciidoc {
my ($env) = @_;
my $outfile;
GetOptions (
"outfile=s" => \$outfile,
"keep-artifacts" => \$keep_artifacts,
"verbose" => \$verbose
) or die("Error in command line arguments\n");
my $infile = shift(@ARGV) or die "no input file specified\n";
scalar(@ARGV) == 0 or die "too many arguments...\n";
my $outfilemap = $fileinfo->{outfile}->{$env}->{$infile} ||
die "no output file mapping for '$infile' ($env)";
if ($man_target eq 'html') {
$outfilemap .= '.html';
} elsif ($man_target eq 'wiki') {
$outfilemap .= '-plain.html';
}
if (defined($outfile)) {
die "wrong output file name '$outfile != $outfilemap' ($env)" if $outfile ne $outfilemap;
} else {
$outfile = $outfilemap;
}
defined($fileinfo->{titles}->{$env}) || die "unknown environment '$env'";
my $title = $fileinfo->{titles}->{$env}->{$infile} or
die "unable to get title for '$infile'$env\n";
debug("compile $title");
my $leveloffset = 0;
my $doctype = $fileinfo->{doctype}->{$env}->{$infile};
die "unable to get document type for '$infile'\n"
if !defined($doctype);
$leveloffset = - $doctype;
my $date;
if (defined($ENV{SOURCE_DATE_EPOCH})) {
$date = `date -d "\@$ENV{SOURCE_DATE_EPOCH}"`;
} else {
$date = `date`;
}
chomp $date;
my $attributes = {
$env => undef,
leveloffset => $leveloffset,
revnumber => $release,
revdate => $date,
'footer-style' => 'revdate',
};
my $mansection = $fileinfo->{mansection}->{$env}->{$infile};
if ($env eq 'wiki') {
} elsif ($env eq 'manvolnum') {
die "undefined man section" if !defined($mansection);
$attributes->{manvolnum} = $mansection;
} elsif ($env eq 'default') {
die "$infile: wrong doctype\n" if $doctype != 0;
$attributes->{toc2} = undef;
}
if (!defined($outfile)) {
$outfile = $infile;
$outfile =~ s/\.adoc$//;
if ($env eq 'manvolnum') {
if (($man_target eq 'html') || ($man_target eq 'wiki')) {
$outfile .= ".$mansection.html";
} else {
$outfile .= ".$mansection";
}
} else {
$outfile .= ".html";
}
}
if (($env eq 'manvolnum') && ($man_target eq 'man')) {
# asciidoc /etc/asciidoc/docbook-xsl/manpage.xsl skip REFERENCES
# section like footnotes, so we cannot use a2x.
# We use xmlto instead.
my $cmd = [
'asciidoc',
'-dmanpage',
'-b', "$adoc_source_dir/asciidoc/pve-docbook",
'-f', "$adoc_source_dir/asciidoc/asciidoc-pve.conf",
'-a', 'docinfo1',
];
foreach my $key (keys %$attributes) {
my $value = $attributes->{$key};
if (defined($value)) {
push @$cmd, '-a', "$key=$value";
} else {
push @$cmd, '-a', $key;
}
}
push @$cmd, '--verbose' if $verbose;
my $tmpxmlfile = "${outfile}.xml.tmp";
push @$cmd, '--out-file', $tmpxmlfile;
push @$files_for_cleanup, $tmpxmlfile;
my $new_infile = prepare_adoc_file($env, $infile, $attributes);
push @$cmd, $new_infile;
debug("run " . join(' ', @$cmd));
system(@$cmd) == 0 or die "aciidoc error";
$cmd = ['xmlto', 'man', $tmpxmlfile];
push @$cmd, '-v' if $verbose;
debug("run " . join(' ', @$cmd));
system(@$cmd) == 0 or die "xmlto error";
} else {
$attributes->{icons} = undef;
$attributes->{'data-uri'} = undef;
my $cmd = [ 'asciidoc', '-f', "$adoc_source_dir/asciidoc/asciidoc-pve.conf" ];
if (($env eq 'wiki') ||
(($env eq 'manvolnum') && ($man_target eq 'wiki'))) {
push @$cmd, '-b', "$adoc_source_dir/asciidoc/mediawiki";
} else {
push @$cmd, '-b', "$adoc_source_dir/asciidoc/pve-html";
}
foreach my $key (keys %$attributes) {
my $value = $attributes->{$key};
if (defined($value)) {
push @$cmd, '-a', "$key=$value";
} else {
push @$cmd, '-a', $key;
}
}
push @$cmd, '--verbose' if $verbose;
push @$cmd, '--out-file', $outfile;
my $new_infile = prepare_adoc_file($env, $infile, $attributes);
push @$cmd, $new_infile;
debug("run " . join(' ', @$cmd));
system(@$cmd) == 0 or die "aciidoc error";
}
}
sub get_links {
my $data = {};
foreach my $blockid (sort keys %{$fileinfo->{blockid_target}->{default}}) {
my $link = $fileinfo->{blockid_target}->{default}->{$blockid};
my $reftitle = $fileinfo->{reftitle}->{default}->{$blockid};
my $reftext = $fileinfo->{reftext}->{default}->{$blockid};
die "internal error" if $link !~ m/^link:/;
$link =~ s/^link://;
my $file = $fileinfo->{blockid}->{default}->{$blockid};
die "internal error - no filename" if ! defined($file);
my $title = $fileinfo->{titles}->{default}->{$file} ||
die "internal error - no title";
$data->{$blockid}->{title} = $title;
$data->{$blockid}->{link} = $link;
my $subtitle = $reftitle || $reftext;
$data->{$blockid}->{subtitle} = $subtitle
if $subtitle && ($title ne $subtitle);
}
return $data;
}
sub scan_extjs_file {
my ($filename, $res_data) = @_;
my $fh = IO::File->new($filename, "r") ||
die "unable to open '$filename' - $!\n";
debug("scan-extjs $filename");
while(defined(my $line = <$fh>)) {
if ($line =~ m/\s+onlineHelp:\s*[\'\"]([^{}\[\]\'\"]+)[\'\"]/) {
my $blockid = $1;
my $link = $fileinfo->{blockid_target}->{default}->{$blockid};
die "undefined blockid '$blockid' ($filename, line $.)\n"
if !(defined($link) || defined($online_help_links->{$blockid}));
$res_data->{$blockid} = 1;
}
}
}
if ($clicmd eq 'compile-wiki') {
eval { compile_asciidoc('wiki'); };
my $err = $@;
cleanup();
die $err if $err;
} elsif ($clicmd eq 'compile-chapter') {
eval { compile_asciidoc('default'); };
my $err = $@;
cleanup();
die $err if $err;
} elsif ($clicmd eq 'compile-man-html') {
$man_target = 'html';
eval { compile_asciidoc('manvolnum'); };
my $err = $@;
cleanup();
die $err if $err;
} elsif ($clicmd eq 'compile-man-wiki') {
$man_target = 'wiki';
eval { compile_asciidoc('manvolnum'); };
my $err = $@;
cleanup();
die $err if $err;
} elsif ($clicmd eq 'compile-man') {
eval { compile_asciidoc('manvolnum'); };
my $err = $@;
cleanup();
die $err if $err;
} elsif ($clicmd eq 'print-links') {
my $outfile;
GetOptions("outfile=s" => \$outfile,
"verbose" => \$verbose) or
die("Error in command line arguments\n");
scalar(@ARGV) == 0 or
die "too many arguments...\n";
my $data = get_links();
my $res = to_json($data, { pretty => 1, canonical => 1 } );
if (defined($outfile)) {
my $outfh = IO::File->new("$outfile", "w") or
die "unable to open temporary file '$outfile'\n";
print $outfh $res;
} else {
print $res;
}
} elsif ($clicmd eq 'scan-extjs') {
GetOptions("verbose" => \$verbose) or
die("Error in command line arguments\n");
my $link_hash = {};
my $scanned_files = {};
while (my $filename = shift) {
die "got strange file name '$filename'\n"
if $filename !~ m/\.js$/;
next if $scanned_files->{$filename};
scan_extjs_file($filename, $link_hash);
$scanned_files->{$filename} = 1;
}
my $data = get_links();
my $res_data = {};
foreach my $blockid (keys %$link_hash) {
$res_data->{$blockid} = $data->{$blockid} || $online_help_links->{$blockid} ||
die "internal error - no data for '$blockid'";
}
my $data_str = to_json($res_data, { pretty => 1, canonical => 1 });
chomp $data_str;
print "const pveOnlineHelpInfo = ${data_str};\n";
} elsif ($clicmd eq 'chapter-table') {
print '[width="100%",options="header"]' . "\n";
print "|====\n";
print "|Title|Link\n";
my $filelist = $fileinfo->{outfile}->{default};
foreach my $sourcefile (sort keys %$filelist) {
my $target = $filelist->{$sourcefile};
next if $target eq 'pve-admin-guide.html';
my $title = $fileinfo->{titles}->{default}->{$sourcefile} ||
die "not title for '$sourcefile'";
print "|$title|link:$target\[\]\n";
}
print "|====\n";
} elsif ($clicmd =~ m/^man([158])page-table$/) {
my $section = $1;
print '[width="100%",cols="5*d",options="header"]' . "\n";
print "|====\n";
print "|Name 3+|Title|Link\n";
my $filelist = $fileinfo->{outfile}->{manvolnum};
foreach my $manpage (sort keys %$filelist) {
next if $section ne $fileinfo->{mansection}->{manvolnum}->{$manpage};
my $mantitle = $fileinfo->{titles}->{manvolnum}->{$manpage} ||
die "not manual title for '$manpage'";
my $title = $fileinfo->{titles}->{default}->{$manpage} ||
die "not title for '$manpage'";
# hack - remove command name prefix from titles
$title =~ s/^[a-z]+\s*-\s*//;
my $target = $filelist->{$manpage};
print "|$mantitle 3+|$title|link:$target.html\[$target\]\n";
}
print "|====\n";
} else {
die "unknown command '$clicmd'\n";
}
exit 0;
__END__