asciidoc-pve.in

   1 #!/usr/bin/perl
   2
   3 use strict;
   4 use warnings;
   5 use Getopt::Long;
   6 use File::Path;
   7 use File::Basename;
   8 use IO::File;
   9
  10 use JSON;
  11
  12 my $release = '@RELEASE@';
  13
  14 my $clicmd = shift or
  15     die "no command specified\n";
  16
  17 my $data_str = "";
  18 while (<main::DATA>) { $data_str .= $_; }
  19
  20 my $fileinfo = decode_json($data_str);
  21
  22 my $tmpprefix = ".asciidoc-pve-tmp_";
  23
  24 my $adoc_source_dir = "/usr/share/pve-doc-generator";
  25
  26 # inside pve-docs source dir?
  27 if (-f "attributes.txt" && -f "pve-admin-guide.adoc") {
  28     $adoc_source_dir = "."
  29 }
  30
  31 my $prepared_files = {};
  32
  33 my $env_stack = [];
  34 my $env_skip = 0;
  35
  36 sub push_environment {
  37     my ($env, $skip) = @_;
  38
  39     $skip = 1 if $env_skip;
  40     $skip = 0 if !defined($skip);
  41
  42     push @$env_stack, [$env, $skip];
  43
  44     $env_skip = $skip;
  45 }
  46
  47 sub pop_environment {
  48     my ($env) = @_;
  49
  50     my $last_stack_entry = pop @$env_stack;
  51     die "unable to pop env '$env'" if !defined($last_stack_entry);
  52
  53     my ($last_env, $skip) = @$last_stack_entry;
  54     die "environment missmatch (${last_env} != $env)\n" if $last_env ne $env;
  55
  56     if (!scalar(@$env_stack)) {
  57         $env_skip = 0;
  58     } else {
  59         my (undef, $skip) = @{$env_stack->[-1]};
  60         $env_skip = $skip;
  61     }
  62 }
  63
  64 sub replace_wiki_xref {
  65     my ($blockid, $text) = @_;
  66
  67     my $link = $fileinfo->{blockid_target}->{wiki}->{$blockid};
  68     my $reftext = $fileinfo->{reftext}->{wiki}->{$blockid};
  69
  70     die "unable to resolve wiki link (xref:$blockid)\n"
  71         if !defined($link);
  72
  73     $text = $reftext if !length($text);
  74
  75     die "xref: no text for '$blockid'\n" if !$text;
  76
  77     return "$link\[$text\]";
  78 }
  79
  80 sub prepare_adoc_file {
  81     my ($filename, $attributes) = @_;
  82
  83
  84     return if $prepared_files->{$filename};
  85
  86     print "PREPARE $filename\n";
  87
  88     $prepared_files->{$filename} = 1;
  89
  90     my $dirname = dirname($filename);
  91     my $basename = basename($filename);
  92
  93     my $outfilename = "$dirname/${tmpprefix}$basename";
  94
  95     my $fh = IO::File->new("$filename", "r") or
  96         die "unable to open file '$filename' - $!\n";
  97
  98     my $outfh = IO::File->new("$outfilename", "w") or
  99         die "unable to open temporary file '$outfilename'\n";
 100
 101     while (defined (my $line = <$fh>)) {
 102         if ($line =~ m/^if(n?)def::(\S+)\[(.*)\]\s*$/) {
 103             my ($not, $env, $text) = ($1, $2, $3);
 104             die "unsuported ifdef usage - implement me" if $text;
 105
 106             my $skip = !exists($attributes->{$env}) ? 1 : 0;
 107             $skip = ($skip ? 0 : 1 ) if $not;
 108
 109             push_environment($env, $skip);
 110             next;
 111         } elsif ($line =~ m/^endif::(\S+)\[(.*)\]\s*$/) {
 112             my ($env, $text) = ($1, $2);
 113             die "unsuported ifdef usage - implement me" if $text;
 114             pop_environment($env);
 115             next;
 116         }
 117
 118         next if $env_skip;
 119
 120         if ($line =~ m/^include::(\S+)(\[.*\]\s*)$/) {
 121             my ($fn, $rest) = ($1, $2);
 122             print "INCLUDE: $fn\n";
 123             my $new_fn = prepare_adoc_file($fn, $attributes);
 124             $line = "include::${new_fn}$rest\n";
 125         }
 126
 127         # fix xrefs
 128         $line =~ s/xref:([^\s\[\]]+)\[([^\]]*)\]/replace_wiki_xref($1,$2)/ge;
 129
 130         $line =~ s/<<([^\s,\[\]]+)(?:,(.*?))?>>/replace_wiki_xref($1,$2)/ge;
 131
 132         print $outfh $line;
 133     }
 134
 135     return $outfilename;
 136 }
 137
 138 sub compile_wiki {
 139
 140     my $verbose;
 141     my $outfile;
 142     my $target_env;
 143
 144     GetOptions ("outfile=s" => \$outfile,
 145                 "verbose"   => \$verbose) or
 146                     die("Error in command line arguments\n");
 147
 148     my $infile = shift(@ARGV) or
 149         die "no input file specified\n";
 150
 151     scalar(@ARGV) == 0 or
 152         die "too many arguments...\n";
 153
 154     my $env = 'wiki';
 155
 156
 157     my $title = $fileinfo->{titles}->{$env}->{$infile} or
 158         die "unable to get title for '$infile'\n";
 159
 160
 161     print "compile: $title\n";
 162
 163     my $leveloffset = 0;
 164
 165     my $doctype = $fileinfo->{doctype}->{$env}->{$infile} // 0;
 166     $leveloffset = - $doctype;
 167
 168     my $date = `date`;
 169     chomp $date;
 170
 171     my $attributes = {
 172         $env => undef,
 173         icons => undef,
 174         'data-uri' => undef,
 175         date => $date,
 176         leveloffset => $leveloffset,
 177         revnumber => $release,
 178     };
 179
 180     my $cmd = ['asciidoc', '-s'];
 181
 182     foreach my $key (keys %$attributes) {
 183         my $value = $attributes->{$key};
 184         if (defined($value)) {
 185             push @$cmd, '-a', "$key=$value";
 186         } else {
 187             push @$cmd, '-a', $key;
 188         }
 189     }
 190
 191     push @$cmd, '--verbose' if $verbose;
 192
 193     if (!defined($outfile)) {
 194         $outfile = $infile;
 195         $outfile =~ s/\.adoc$//;
 196         $outfile .= ".html";
 197     }
 198
 199     push @$cmd, '--out-file', $outfile;
 200
 201     my $new_infile = prepare_adoc_file($infile, $attributes);
 202
 203     push @$cmd, $new_infile;
 204
 205     print "RUN " . join(' ', @$cmd) . "\n";
 206
 207     system(@$cmd) == 0 or
 208         die "aciidoc error";
 209 }
 210
 211 if ($clicmd eq 'compile-wiki') {
 212
 213     eval { compile_wiki(); };
 214     my $err = $@;
 215
 216     # cleanup
 217
 218     die $err if $err;
 219
 220 } else {
 221
 222     die "unknown command '$clicmd'\n";
 223
 224 }
 225
 226
 227
 228
 229
 230
 231 exit 0;
 232
 233 __END__