| 1 | #!/usr/bin/perl |
| 2 | # |
| 3 | # Script to convert Exim FAQ into wiki markup - moin flavour |
| 4 | # |
| 5 | use strict; |
| 6 | use integer; |
| 7 | use bytes; |
| 8 | use Data::Dumper; |
| 9 | use IO::File; |
| 10 | |
| 11 | sub mkwikiname (@) { |
| 12 | my @in = @_; |
| 13 | |
| 14 | my @bits; |
| 15 | foreach my $str (@in) { |
| 16 | $str =~ tr/0-9A-Za-z _//cd; |
| 17 | push(@bits, $str); |
| 18 | } |
| 19 | return join('/', @bits); |
| 20 | } |
| 21 | |
| 22 | \f |
| 23 | |
| 24 | sub mkwikifilename ($) { |
| 25 | my $wn = shift; |
| 26 | |
| 27 | $wn =~ s/([^A-Za-z0-9])/sprintf("_%02x",ord($1))/eg; |
| 28 | |
| 29 | return $wn; |
| 30 | } |
| 31 | |
| 32 | \f |
| 33 | |
| 34 | sub format_wiki_question_header ($) { |
| 35 | my $lp = shift; |
| 36 | |
| 37 | my @lines = @{$lp}; |
| 38 | my $i; |
| 39 | for($i =0; ($i <= $#lines); $i++) { |
| 40 | unless (defined($lines[$i])) { |
| 41 | splice(@lines, $i); |
| 42 | last; |
| 43 | } |
| 44 | $lines[$i] =~ s/^\s+//; |
| 45 | } |
| 46 | return('= ' . join(' ', @lines) . ' ='); |
| 47 | } |
| 48 | |
| 49 | \f |
| 50 | |
| 51 | sub wikiref ($$) { |
| 52 | my $meta = shift; |
| 53 | my $qref = shift; |
| 54 | |
| 55 | my $qtag = $meta->qtags->{$qref}; |
| 56 | unless ($qtag) { |
| 57 | warn "Unknown qtag $qref\n"; |
| 58 | return $qref; |
| 59 | } |
| 60 | |
| 61 | return join(':', '[', $qref->{wikiname}, $qref . ']'); |
| 62 | } |
| 63 | |
| 64 | \f |
| 65 | |
| 66 | sub wiki_markup ($$) { |
| 67 | my $meta = shift; |
| 68 | my $s = shift; |
| 69 | |
| 70 | $s =~ s/@\\/\@\@backslash\@\@/g; # @\ temporarily hidden |
| 71 | |
| 72 | $s =~ s/\\#/ /g; # \# is a hard space |
| 73 | |
| 74 | $s =~ s/\\\*\*([^*]*)\*\*\\/'''$1'''/g; # \**...**\ => bold |
| 75 | $s =~ s/\\\*([^*]*)\*\\/''$1''/g; # \*.....*\ => italic |
| 76 | $s =~ s/\\"([^"]*)"\\/`$1`/g; # \"....."\ => fixed pitch |
| 77 | $s =~ s/\\\$([^\$]*)\$\\/''\$$1''/g; # \$.....$\ => $italic |
| 78 | $s =~ s/\\\\([^\\]*)\\\\/<small>$1<\/small>/g; # \\.....\\ => small |
| 79 | $s =~ s/\\\(([^)]*)\)\\/''$1''/g; # \(.....)\ => italic |
| 80 | $s =~ s/\\-([^\\]*)-\\/'''-$1'''/g; # \-.....-\ => -bold |
| 81 | $s =~ s/\\\[([^]]*)\]\\/''$1''/gx; # \[.....]\ => <italic> |
| 82 | $s =~ s/\\\?(.*?)\?\\/$1/g; # \?.....?\ => URL |
| 83 | $s =~ s/\\\^\^([^^]*)\^\^\\/''$1''/g; # \^^...^^\ => italic |
| 84 | $s =~ s/\\\^([^^]*)\^\\/''$1''/g; # \^.....^\ => italic |
| 85 | $s =~ s/\\%([^%]*)%\\/'''$1'''/g; # \%.....%\ => bold |
| 86 | $s =~ s/\\\/([^\/]*)\/\\/''$1''/g; # \/...../\ => italic |
| 87 | $s =~ s/\\([^\\]+)\\/`$1`/g; # \.......\ => fixed pitch |
| 88 | |
| 89 | $s =~ s"//([^/\"]*)//"''$1</i>"g; # //.....// => italic |
| 90 | $s =~ s/::([^:]*)::/''$1:''/g; # ::.....:: => italic: |
| 91 | |
| 92 | $s =~ s/``(.*?)''/“$1”/g; # ``.....'' => quoted text |
| 93 | |
| 94 | #$s =~ s/\s*\[\[br\]\]\s*/<br>/g; # [[br]] => <br> |
| 95 | |
| 96 | $s =~ s/\@\@backslash\@\@/\\/g; # Put back single backslash |
| 97 | |
| 98 | $s =~ s/^(\s*\(\d\)\s)/$1 /; # Extra space after (1), etc. |
| 99 | |
| 100 | # Cross references within paragraphs |
| 101 | |
| 102 | $s =~ s/Q(\d{4})(?!:)/wikiref($meta, $1)/xg; |
| 103 | |
| 104 | # References to configuration samples |
| 105 | |
| 106 | ##$s =~ s/\b([CFLS]\d\d\d)\b/<a href="$1.txt">$1<\/a>/g; |
| 107 | |
| 108 | # Remove white space preceding a newline in the middle of paragraphs, |
| 109 | # to keep the file smaller (and for human reading when debugging). |
| 110 | |
| 111 | ##$s =~ s/^\s+//mg; |
| 112 | |
| 113 | return $s; |
| 114 | } |
| 115 | |
| 116 | \f |
| 117 | |
| 118 | sub clip_paragraph ($) { |
| 119 | my $lines = shift; |
| 120 | |
| 121 | my $ret; |
| 122 | my $flags; |
| 123 | my $offlen; |
| 124 | |
| 125 | # split off and throw initial para breaks |
| 126 | while (($#{$lines} >= 0) && (!defined($lines->[0]))) { |
| 127 | shift @{$lines}; |
| 128 | } |
| 129 | |
| 130 | # if nothing else return |
| 131 | return('', 'empty') |
| 132 | unless ($#{$lines} >= 0); |
| 133 | |
| 134 | # deal with example chunks |
| 135 | if ($lines->[0] =~ /^(\=\=\>\s+)\S/) { |
| 136 | $offlen = length($1); |
| 137 | while (($#{$lines} >= 0) && (defined($lines->[0]))) { |
| 138 | my $txt = substr(shift @{$lines}, $offlen); |
| 139 | $ret .= (defined($ret)) ? "\n$txt" : $txt; |
| 140 | } |
| 141 | return ($ret, 'code'); |
| 142 | } |
| 143 | |
| 144 | my $skipone; |
| 145 | # deal with rest - numeric lines first |
| 146 | if ($lines->[0] =~ /^(\s+\(\d+\)\s*)/) { |
| 147 | $offlen = length($1); |
| 148 | $flags = 'numlist'; |
| 149 | $skipone = 0; |
| 150 | } elsif ($lines->[0] =~ /^(\s+)\S/) { |
| 151 | $offlen = length($1); |
| 152 | $flags = 'normal'; |
| 153 | $skipone = 0; |
| 154 | } else { |
| 155 | $offlen = 7; |
| 156 | $flags = 'normal'; |
| 157 | $skipone = 1; |
| 158 | } |
| 159 | |
| 160 | while (($#{$lines} >= 0) && (defined($lines->[0]))) { |
| 161 | my $txt = $skipone ? |
| 162 | shift @{$lines} : |
| 163 | substr(shift @{$lines}, $offlen); |
| 164 | $ret .= $txt; |
| 165 | $ret .= ' '; |
| 166 | $skipone = 0; |
| 167 | } |
| 168 | return ($ret, $flags); |
| 169 | } |
| 170 | |
| 171 | \f |
| 172 | |
| 173 | sub format_wiki_text ($$) { |
| 174 | my $meta = shift; |
| 175 | my $lp = shift; |
| 176 | |
| 177 | my @lines = @{$lp}; |
| 178 | |
| 179 | my $out; |
| 180 | while ($#lines >= 0) { |
| 181 | my($para, $flags) = clip_paragraph(\@lines); |
| 182 | if ($flags eq 'code') { |
| 183 | $out .= "{{{\n" . $para . "\n}}}\n"; |
| 184 | } elsif ($flags eq 'numlist') { |
| 185 | $out .= ' 1. ' . wiki_markup($meta, $para) . "\n"; |
| 186 | } elsif ($flags eq 'empty') { |
| 187 | } else { |
| 188 | $out .= wiki_markup($meta, $para) . "\n"; |
| 189 | } |
| 190 | } |
| 191 | return $out; |
| 192 | } |
| 193 | |
| 194 | \f |
| 195 | |
| 196 | sub output_wiki_header ($$$) { |
| 197 | my $fh = shift; |
| 198 | my $meta = shift; |
| 199 | my $qset = shift; |
| 200 | |
| 201 | $fh->print(join("\n", |
| 202 | '##language:en', |
| 203 | '#pragma section-numbers off', |
| 204 | '## Autogenerated by f2wiki', |
| 205 | join('', '["FAQ"] / [:', |
| 206 | $qset->{section}->{wikiname}, |
| 207 | ':', |
| 208 | $qset->{section}->{title}, |
| 209 | '] / ', |
| 210 | $qset->{qtag}), |
| 211 | '----', |
| 212 | '[[Navigation(siblings)]]', |
| 213 | '----', |
| 214 | '')); |
| 215 | } |
| 216 | |
| 217 | \f |
| 218 | |
| 219 | sub output_wiki_question ($$$$) { |
| 220 | my $fh = shift; |
| 221 | my $meta = shift; |
| 222 | my $qset = shift; |
| 223 | my $lines = shift; |
| 224 | |
| 225 | $fh->print(join("\n", |
| 226 | ('= ' . $qset->{qtag} . ' ='), |
| 227 | '', |
| 228 | '=== Question ===', |
| 229 | '##qstart', |
| 230 | format_wiki_text($meta, $lines), |
| 231 | '##qend', |
| 232 | '')); |
| 233 | } |
| 234 | |
| 235 | \f |
| 236 | |
| 237 | sub output_wiki_answer ($$$$) { |
| 238 | my $fh = shift; |
| 239 | my $meta = shift; |
| 240 | my $qset = shift; |
| 241 | my $lines = shift; |
| 242 | |
| 243 | $fh->print(join("\n", |
| 244 | '=== Answer ===', |
| 245 | format_wiki_text($meta, $lines), |
| 246 | '')); |
| 247 | } |
| 248 | |
| 249 | \f |
| 250 | |
| 251 | sub output_wiki_trailer ($$$) { |
| 252 | my $fh = shift; |
| 253 | my $meta = shift; |
| 254 | my $qset = shift; |
| 255 | |
| 256 | $fh->print(join("\n", |
| 257 | '----', |
| 258 | '[[Navigation(siblings)]]', |
| 259 | '----', |
| 260 | join('', '["FAQ"] / [:', |
| 261 | $qset->{section}->{wikiname}, |
| 262 | ':', |
| 263 | $qset->{section}->{title}, |
| 264 | '] / ', |
| 265 | $qset->{qtag}), |
| 266 | '----', |
| 267 | 'CategoryFrequentlyAskedQuestions', |
| 268 | '')); |
| 269 | } |
| 270 | |
| 271 | \f |
| 272 | |
| 273 | sub build_tocs ($) { |
| 274 | my $meta = shift; |
| 275 | |
| 276 | my $tfh = IO::File->new('FAQ', 'w'); |
| 277 | my @sections = sort { $a->{num} <=> $b->{num} } |
| 278 | values %{$meta->{sections}}; |
| 279 | foreach my $sect (@sections) { |
| 280 | my $fh = IO::File->new($sect->{wikifile}, 'w'); |
| 281 | $fh->print(join("\n", |
| 282 | '##language:en', |
| 283 | '#pragma section-numbers off', |
| 284 | '## Autogenerated by f2wiki', |
| 285 | join('', '["FAQ"] / [:', |
| 286 | $sect->{wikiname}, |
| 287 | ':', |
| 288 | $sect->{title}, |
| 289 | '] '), |
| 290 | '----', |
| 291 | '[[Navigation(siblings,1)]]', |
| 292 | '----', |
| 293 | '[[Navigation(children)]]', |
| 294 | '----', |
| 295 | '', |
| 296 | '', |
| 297 | '= ' . $sect->{title} . ' =', |
| 298 | '', |
| 299 | join('', |
| 300 | '[[Include(^', |
| 301 | $sect->{wikiname}, |
| 302 | '/.*,,2,from="##qstart",to="##qend")]]'), |
| 303 | '', |
| 304 | '----', |
| 305 | '[[Navigation(siblings,1)]]', |
| 306 | '----', |
| 307 | '[[Navigation(children)]]', |
| 308 | '----', |
| 309 | join('', '["FAQ"] / [:', |
| 310 | $sect->{wikiname}, |
| 311 | ':', |
| 312 | $sect->{title}, |
| 313 | '] '), |
| 314 | '----', |
| 315 | 'CategoryFrequentlyAskedQuestions', |
| 316 | '')); |
| 317 | |
| 318 | $tfh->print(' * [:', $sect->{wikiname}, ':', $sect->{title}, "]\n"); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | \f |
| 323 | |
| 324 | sub process_qset ($$$$) { |
| 325 | my $meta = shift; |
| 326 | my $qset = shift; |
| 327 | my $qlines = shift; |
| 328 | my $alines = shift; |
| 329 | |
| 330 | unless ($qset->{wikifile}) { |
| 331 | print(join("\n#", |
| 332 | $qset->{qtag}, |
| 333 | $qset->{wikiname}, |
| 334 | $qset->{wikifile}), |
| 335 | "\n"); |
| 336 | return; |
| 337 | } |
| 338 | my $fh = IO::File->new($qset->{wikifile}, 'w') || |
| 339 | die "$qset->{wikifile} OUT $!"; |
| 340 | output_wiki_header($fh, $meta, $qset); |
| 341 | output_wiki_question($fh, $meta, $qset, $qlines); |
| 342 | output_wiki_answer($fh, $meta, $qset, $alines); |
| 343 | output_wiki_trailer($fh, $meta, $qset); |
| 344 | } |
| 345 | |
| 346 | \f |
| 347 | |
| 348 | sub parse_faqsrc ($$) { |
| 349 | my $fh = shift; |
| 350 | my $meta = shift; |
| 351 | |
| 352 | my $section; |
| 353 | my $sect; |
| 354 | |
| 355 | while(<$fh>) { |
| 356 | chomp; |
| 357 | unless(defined($section)) { |
| 358 | unless (/^\d+\.\s/) { |
| 359 | if (/^\s+\d+\./) { |
| 360 | my($junk, |
| 361 | $secnum, |
| 362 | $sectitle) = split(/\s+/, $_, 3); |
| 363 | $secnum =~ tr/0-9//cd; |
| 364 | my $wikiname = mkwikiname('FAQ', $sectitle); |
| 365 | my $wikifile = mkwikifilename($wikiname); |
| 366 | $meta->{sections}->{$secnum} = |
| 367 | {title => $sectitle, |
| 368 | num => $secnum, |
| 369 | wikiname => $wikiname, |
| 370 | wikifile => $wikifile, |
| 371 | qtags => []}; |
| 372 | } |
| 373 | next; |
| 374 | } |
| 375 | } |
| 376 | if (/^(\d+)\.\s/) { |
| 377 | $section = $1; |
| 378 | $sect = $meta->{sections}->{$section}; |
| 379 | $sect->{seen}++; |
| 380 | } elsif (/^(Q\d+):/) { |
| 381 | my $qtag = $1; |
| 382 | my $wikiname = mkwikiname('FAQ', $sect->{title}, $qtag); |
| 383 | my $wikifile = mkwikifilename($wikiname); |
| 384 | my $qset = {section => $sect, |
| 385 | qtag => $qtag, |
| 386 | wikiname => $wikiname, |
| 387 | wikifile => $wikifile}; |
| 388 | $meta->{qtags}->{$qtag} = $qset; |
| 389 | push(@{$sect->{qtags}}, $qset); |
| 390 | } |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | \f |
| 395 | |
| 396 | sub process_faqsrc ($$) { |
| 397 | my $fh = shift; |
| 398 | my $meta = shift; |
| 399 | |
| 400 | my $qset; |
| 401 | my $qlines = []; |
| 402 | my $alines = []; |
| 403 | my $clines = $qlines; |
| 404 | |
| 405 | while(<$fh>) { |
| 406 | chomp; |
| 407 | next if (/^#/); |
| 408 | # skip preceding stuff.... |
| 409 | unless(defined($qset)) { |
| 410 | next unless (/^Q\d+/); |
| 411 | } |
| 412 | |
| 413 | if (/^(\d+)\.\s/) { |
| 414 | # just skip section boundaries - we have done those before |
| 415 | next; |
| 416 | } elsif (/^([QA]\d+):\s+(.+)$/) { |
| 417 | my $qtag = $1; |
| 418 | my $line = $2; |
| 419 | if (substr($1, 0, 1) eq 'Q') { |
| 420 | process_qset($meta, $qset, $qlines, $alines); |
| 421 | $qlines = []; |
| 422 | $alines = []; |
| 423 | $clines = $qlines; |
| 424 | $qset = $meta->{qtags}->{$qtag}; |
| 425 | } else { |
| 426 | $clines = $alines; |
| 427 | } |
| 428 | push(@{$clines}, $line); |
| 429 | } elsif (/^\s*$/) { |
| 430 | push(@{$clines}, undef); |
| 431 | } else { |
| 432 | push(@{$clines}, $_); |
| 433 | } |
| 434 | } |
| 435 | # mop up last q&a |
| 436 | process_qset($meta, $qset, $qlines, $alines); |
| 437 | |
| 438 | # now build the tocs |
| 439 | build_tocs($meta); |
| 440 | } |
| 441 | |
| 442 | \f |
| 443 | |
| 444 | # main |
| 445 | { |
| 446 | my $section; |
| 447 | |
| 448 | my $fh = IO::File->new(shift, 'r') || die $!; |
| 449 | my $state = {}; |
| 450 | parse_faqsrc($fh, $state); |
| 451 | $fh->seek(0,0); |
| 452 | # print Dumper($state); |
| 453 | process_faqsrc($fh, $state); |
| 454 | |
| 455 | } |
| 456 | |
| 457 | # -*-perl-*- |