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54310121 |
1 | package Pod::Html; |
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2 | use strict; |
54310121 |
3 | require Exporter; |
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4 | |
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5 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK); |
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6 | $VERSION = 1.0503; |
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7 | @ISA = qw(Exporter); |
54310121 |
8 | @EXPORT = qw(pod2html htmlify); |
776d31fe |
9 | @EXPORT_OK = qw(anchorify); |
54310121 |
10 | |
11 | use Carp; |
0e4548d5 |
12 | use Config; |
13 | use Cwd; |
af75be11 |
14 | use File::Spec; |
0e4548d5 |
15 | use File::Spec::Unix; |
16 | use Getopt::Long; |
54310121 |
17 | |
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18 | use locale; # make \w work right in non-ASCII lands |
19 | |
54310121 |
20 | =head1 NAME |
21 | |
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22 | Pod::Html - module to convert pod files to HTML |
54310121 |
23 | |
24 | =head1 SYNOPSIS |
25 | |
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26 | use Pod::Html; |
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27 | pod2html([options]); |
28 | |
29 | =head1 DESCRIPTION |
30 | |
31 | Converts files from pod format (see L<perlpod>) to HTML format. It |
32 | can automatically generate indexes and cross-references, and it keeps |
33 | a cache of things it knows how to cross-reference. |
34 | |
35 | =head1 ARGUMENTS |
36 | |
37 | Pod::Html takes the following arguments: |
38 | |
39 | =over 4 |
40 | |
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41 | =item backlink |
42 | |
43 | --backlink="Back to Top" |
44 | |
59ecbafa |
45 | Adds "Back to Top" links in front of every C<head1> heading (except for |
46 | the first). By default, no backlinks are generated. |
0e4548d5 |
47 | |
b42210d7 |
48 | =item cachedir |
49 | |
50 | --cachedir=name |
51 | |
52 | Creates the item and directory caches in the given directory. |
53 | |
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54 | =item css |
55 | |
56 | --css=stylesheet |
57 | |
59ecbafa |
58 | Specify the URL of a cascading style sheet. Also disables all HTML/CSS |
59 | C<style> attributes that are output by default (to avoid conflicts). |
0e4548d5 |
60 | |
61 | =item flush |
62 | |
63 | --flush |
64 | |
65 | Flushes the item and directory caches. |
66 | |
67 | =item header |
68 | |
69 | --header |
70 | --noheader |
71 | |
59ecbafa |
72 | Creates header and footer blocks containing the text of the C<NAME> |
73 | section. By default, no headers are generated. |
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74 | |
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75 | =item help |
76 | |
77 | --help |
78 | |
79 | Displays the usage message. |
80 | |
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81 | =item hiddendirs |
82 | |
83 | --hiddendirs |
84 | --nohiddendirs |
85 | |
86 | Include hidden directories in the search for POD's in podpath if recurse |
87 | is set. |
88 | The default is not to traverse any directory whose name begins with C<.>. |
89 | See L</"podpath"> and L</"recurse">. |
90 | |
91 | [This option is for backward compatibility only. |
92 | It's hard to imagine that one would usefully create a module with a |
93 | name component beginning with C<.>.] |
94 | |
5a039dd3 |
95 | =item htmldir |
96 | |
97 | --htmldir=name |
98 | |
99 | Sets the directory in which the resulting HTML file is placed. This |
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100 | is used to generate relative links to other files. Not passing this |
101 | causes all links to be absolute, since this is the value that tells |
102 | Pod::Html the root of the documentation tree. |
5a039dd3 |
103 | |
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104 | =item htmlroot |
105 | |
106 | --htmlroot=name |
107 | |
108 | Sets the base URL for the HTML files. When cross-references are made, |
109 | the HTML root is prepended to the URL. |
110 | |
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111 | =item index |
112 | |
113 | --index |
114 | --noindex |
115 | |
116 | Generate an index at the top of the HTML file. This is the default |
117 | behaviour. |
118 | |
54310121 |
119 | =item infile |
120 | |
121 | --infile=name |
122 | |
123 | Specify the pod file to convert. Input is taken from STDIN if no |
124 | infile is specified. |
125 | |
54310121 |
126 | =item libpods |
127 | |
128 | --libpods=name:...:name |
129 | |
130 | List of page names (eg, "perlfunc") which contain linkable C<=item>s. |
131 | |
132 | =item netscape |
133 | |
134 | --netscape |
0e4548d5 |
135 | --nonetscape |
54310121 |
136 | |
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137 | B<Deprecated>, has no effect. For backwards compatibility only. |
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138 | |
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139 | =item outfile |
54310121 |
140 | |
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141 | --outfile=name |
54310121 |
142 | |
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143 | Specify the HTML file to create. Output goes to STDOUT if no outfile |
144 | is specified. |
54310121 |
145 | |
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146 | =item podpath |
54310121 |
147 | |
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148 | --podpath=name:...:name |
54310121 |
149 | |
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150 | Specify which subdirectories of the podroot contain pod files whose |
59ecbafa |
151 | HTML converted forms can be linked to in cross references. |
54310121 |
152 | |
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153 | =item podroot |
54310121 |
154 | |
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155 | --podroot=name |
54310121 |
156 | |
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157 | Specify the base directory for finding library pods. |
54310121 |
158 | |
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159 | =item quiet |
54310121 |
160 | |
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161 | --quiet |
162 | --noquiet |
54310121 |
163 | |
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164 | Don't display I<mostly harmless> warning messages. These messages |
165 | will be displayed by default. But this is not the same as C<verbose> |
166 | mode. |
54310121 |
167 | |
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168 | =item recurse |
54310121 |
169 | |
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170 | --recurse |
54310121 |
171 | --norecurse |
172 | |
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173 | Recurse into subdirectories specified in podpath (default behaviour). |
54310121 |
174 | |
175 | =item title |
176 | |
177 | --title=title |
178 | |
179 | Specify the title of the resulting HTML file. |
180 | |
181 | =item verbose |
182 | |
183 | --verbose |
0e4548d5 |
184 | --noverbose |
54310121 |
185 | |
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186 | Display progress messages. By default, they won't be displayed. |
34db337b |
187 | |
54310121 |
188 | =back |
189 | |
190 | =head1 EXAMPLE |
191 | |
192 | pod2html("pod2html", |
59ecbafa |
193 | "--podpath=lib:ext:pod:vms", |
54310121 |
194 | "--podroot=/usr/src/perl", |
195 | "--htmlroot=/perl/nmanual", |
196 | "--libpods=perlfunc:perlguts:perlvar:perlrun:perlop", |
197 | "--recurse", |
198 | "--infile=foo.pod", |
199 | "--outfile=/perl/nmanual/foo.html"); |
200 | |
34db337b |
201 | =head1 ENVIRONMENT |
202 | |
59ecbafa |
203 | Uses C<$Config{pod2html}> to setup default options. |
34db337b |
204 | |
54310121 |
205 | =head1 AUTHOR |
206 | |
207 | Tom Christiansen, E<lt>tchrist@perl.comE<gt>. |
208 | |
54310121 |
209 | =head1 SEE ALSO |
210 | |
211 | L<perlpod> |
212 | |
213 | =head1 COPYRIGHT |
214 | |
215 | This program is distributed under the Artistic License. |
216 | |
217 | =cut |
218 | |
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219 | |
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220 | my($Cachedir); |
221 | my($Dircache, $Itemcache); |
222 | my @Begin_Stack; |
223 | my @Libpods; |
224 | my($Htmlroot, $Htmldir, $Htmlfile, $Htmlfileurl); |
225 | my($Podfile, @Podpath, $Podroot); |
226 | my $Css; |
54310121 |
227 | |
69348ecf |
228 | my $Recurse; |
229 | my $Quiet; |
99a6169d |
230 | my $HiddenDirs; |
69348ecf |
231 | my $Verbose; |
232 | my $Doindex; |
54310121 |
233 | |
69348ecf |
234 | my $Backlink; |
235 | my($Listlevel, @Listend); |
236 | my $After_Lpar; |
237 | use vars qw($Ignore); # need to localize it later. |
99cb6bd8 |
238 | |
69348ecf |
239 | my(%Items_Named, @Items_Seen); |
240 | my($Title, $Header); |
99cb6bd8 |
241 | |
69348ecf |
242 | my $Top; |
243 | my $Paragraph; |
99cb6bd8 |
244 | |
69348ecf |
245 | my %Sections; |
99cb6bd8 |
246 | |
247 | # Caches |
69348ecf |
248 | my %Pages = (); # associative array used to find the location |
54310121 |
249 | # of pages referenced by L<> links. |
69348ecf |
250 | my %Items = (); # associative array used to find the location |
54310121 |
251 | # of =item directives referenced by C<> links |
99cb6bd8 |
252 | |
69348ecf |
253 | my %Local_Items; |
99cb6bd8 |
254 | my $Is83; |
69348ecf |
255 | my $PTQuote; |
99cb6bd8 |
256 | |
257 | my $Curdir = File::Spec->curdir; |
258 | |
259 | init_globals(); |
39e571d4 |
260 | |
54310121 |
261 | sub init_globals { |
69348ecf |
262 | $Cachedir = "."; # The directory to which item and directory |
99cb6bd8 |
263 | # caches will be written. |
264 | |
69348ecf |
265 | $Dircache = "pod2htmd.tmp"; |
266 | $Itemcache = "pod2htmi.tmp"; |
54310121 |
267 | |
69348ecf |
268 | @Begin_Stack = (); # begin/end stack |
54310121 |
269 | |
69348ecf |
270 | @Libpods = (); # files to search for links from C<> directives |
271 | $Htmlroot = "/"; # http-server base directory from which all |
54310121 |
272 | # relative paths in $podpath stem. |
69348ecf |
273 | $Htmldir = ""; # The directory to which the html pages |
67398a75 |
274 | # will (eventually) be written. |
69348ecf |
275 | $Htmlfile = ""; # write to stdout by default |
276 | $Htmlfileurl = "" ; # The url that other files would use to |
99cb6bd8 |
277 | # refer to this file. This is only used |
278 | # to make relative urls that point to |
279 | # other files. |
280 | |
69348ecf |
281 | $Podfile = ""; # read from stdin by default |
282 | @Podpath = (); # list of directories containing library pods. |
283 | $Podroot = $Curdir; # filesystem base directory from which all |
54310121 |
284 | # relative paths in $podpath stem. |
69348ecf |
285 | $Css = ''; # Cascading style sheet |
286 | $Recurse = 1; # recurse on subdirectories in $podpath. |
287 | $Quiet = 0; # not quiet by default |
288 | $Verbose = 0; # not verbose by default |
289 | $Doindex = 1; # non-zero if we should generate an index |
290 | $Backlink = ''; # text for "back to top" links |
291 | $Listlevel = 0; # current list depth |
292 | @Listend = (); # the text to use to end the list. |
293 | $After_Lpar = 0; # set to true after a par in an =item |
294 | $Ignore = 1; # whether or not to format text. we don't |
54310121 |
295 | # format text until we hit our first pod |
296 | # directive. |
297 | |
69348ecf |
298 | @Items_Seen = (); # for multiples of the same item in perlfunc |
299 | %Items_Named = (); |
300 | $Header = 0; # produce block header/footer |
301 | $Title = ''; # title to give the pod(s) |
302 | $Top = 1; # true if we are at the top of the doc. used |
59ecbafa |
303 | # to prevent the first <hr /> directive. |
69348ecf |
304 | $Paragraph = ''; # which paragraph we're processing (used |
54310121 |
305 | # for error messages) |
69348ecf |
306 | $PTQuote = 0; # status of double-quote conversion |
307 | %Sections = (); # sections within this page |
3e3baf6d |
308 | |
69348ecf |
309 | %Local_Items = (); |
99cb6bd8 |
310 | $Is83 = $^O eq 'dos'; # Is it an 8.3 filesystem? |
54310121 |
311 | } |
312 | |
2a28b791 |
313 | # |
314 | # clean_data: global clean-up of pod data |
315 | # |
316 | sub clean_data($){ |
317 | my( $dataref ) = @_; |
bf202ccd |
318 | for my $i ( 0..$#{$dataref} ) { |
2a28b791 |
319 | ${$dataref}[$i] =~ s/\s+\Z//; |
320 | |
321 | # have a look for all-space lines |
4135c0a0 |
322 | if( ${$dataref}[$i] =~ /^\s+$/m and $dataref->[$i] !~ /^\s/ ){ |
2a28b791 |
323 | my @chunks = split( /^\s+$/m, ${$dataref}[$i] ); |
324 | splice( @$dataref, $i, 1, @chunks ); |
325 | } |
326 | } |
327 | } |
328 | |
329 | |
54310121 |
330 | sub pod2html { |
331 | local(@ARGV) = @_; |
332 | local($/); |
333 | local $_; |
334 | |
335 | init_globals(); |
336 | |
39e571d4 |
337 | $Is83 = 0 if (defined (&Dos::UseLFN) && Dos::UseLFN()); |
338 | |
69348ecf |
339 | # cache of %Pages and %Items from last time we ran pod2html |
54310121 |
340 | |
341 | #undef $opt_help if defined $opt_help; |
342 | |
343 | # parse the command-line parameters |
344 | parse_command_line(); |
345 | |
59ecbafa |
346 | # escape the backlink argument (same goes for title but is done later...) |
69348ecf |
347 | $Backlink = html_escape($Backlink) if defined $Backlink; |
59ecbafa |
348 | |
54310121 |
349 | # set some variables to their default values if necessary |
350 | local *POD; |
59ecbafa |
351 | unless (@ARGV && $ARGV[0]) { |
69348ecf |
352 | $Podfile = "-" unless $Podfile; # stdin |
353 | open(POD, "<$Podfile") |
354 | || die "$0: cannot open $Podfile file for input: $!\n"; |
54310121 |
355 | } else { |
69348ecf |
356 | $Podfile = $ARGV[0]; # XXX: might be more filenames |
54310121 |
357 | *POD = *ARGV; |
59ecbafa |
358 | } |
69348ecf |
359 | $Htmlfile = "-" unless $Htmlfile; # stdout |
360 | $Htmlroot = "" if $Htmlroot eq "/"; # so we don't get a // |
361 | $Htmldir =~ s#/\z## ; # so we don't get a // |
362 | if ( $Htmlroot eq '' |
363 | && defined( $Htmldir ) |
364 | && $Htmldir ne '' |
365 | && substr( $Htmlfile, 0, length( $Htmldir ) ) eq $Htmldir |
59ecbafa |
366 | ) |
5a039dd3 |
367 | { |
29f227c9 |
368 | # Set the 'base' url for this file, so that we can use it |
59ecbafa |
369 | # as the location from which to calculate relative links |
29f227c9 |
370 | # to other files. If this is '', then absolute links will |
371 | # be used throughout. |
69348ecf |
372 | $Htmlfileurl= "$Htmldir/" . substr( $Htmlfile, length( $Htmldir ) + 1); |
5a039dd3 |
373 | } |
54310121 |
374 | |
375 | # read the pod a paragraph at a time |
69348ecf |
376 | warn "Scanning for sections in input file(s)\n" if $Verbose; |
54310121 |
377 | $/ = ""; |
378 | my @poddata = <POD>; |
379 | close(POD); |
bbed45f6 |
380 | |
381 | # be eol agnostic |
382 | for (@poddata) { |
5551e547 |
383 | if (/\r/) { |
384 | if (/\r\n/) { |
385 | @poddata = map { s/\r\n/\n/g; |
bbed45f6 |
386 | /\n\n/ ? |
387 | map { "$_\n\n" } split /\n\n/ : |
388 | $_ } @poddata; |
389 | } else { |
5551e547 |
390 | @poddata = map { s/\r/\n/g; |
bbed45f6 |
391 | /\n\n/ ? |
392 | map { "$_\n\n" } split /\n\n/ : |
393 | $_ } @poddata; |
394 | } |
395 | last; |
396 | } |
397 | } |
398 | |
2a28b791 |
399 | clean_data( \@poddata ); |
54310121 |
400 | |
401 | # scan the pod for =head[1-6] directives and build an index |
69348ecf |
402 | my $index = scan_headings(\%Sections, @poddata); |
54310121 |
403 | |
3e3baf6d |
404 | unless($index) { |
69348ecf |
405 | warn "No headings in $Podfile\n" if $Verbose; |
3e3baf6d |
406 | } |
407 | |
54310121 |
408 | # open the output file |
69348ecf |
409 | open(HTML, ">$Htmlfile") |
410 | || die "$0: cannot open $Htmlfile file for output: $!\n"; |
54310121 |
411 | |
d011ffae |
412 | # put a title in the HTML file if one wasn't specified |
69348ecf |
413 | if ($Title eq '') { |
d011ffae |
414 | TITLE_SEARCH: { |
59ecbafa |
415 | for (my $i = 0; $i < @poddata; $i++) { |
d011ffae |
416 | if ($poddata[$i] =~ /^=head1\s*NAME\b/m) { |
59ecbafa |
417 | for my $para ( @poddata[$i, $i+1] ) { |
d011ffae |
418 | last TITLE_SEARCH |
69348ecf |
419 | if ($Title) = $para =~ /(\S+\s+-+.*\S)/s; |
d011ffae |
420 | } |
59ecbafa |
421 | } |
54310121 |
422 | |
59ecbafa |
423 | } |
d011ffae |
424 | } |
425 | } |
69348ecf |
426 | if (!$Title and $Podfile =~ /\.pod\z/) { |
3e3baf6d |
427 | # probably a split pod so take first =head[12] as title |
59ecbafa |
428 | for (my $i = 0; $i < @poddata; $i++) { |
69348ecf |
429 | last if ($Title) = $poddata[$i] =~ /^=head[12]\s*(.*)/; |
59ecbafa |
430 | } |
69348ecf |
431 | warn "adopted '$Title' as title for $Podfile\n" |
432 | if $Verbose and $Title; |
59ecbafa |
433 | } |
69348ecf |
434 | if ($Title) { |
435 | $Title =~ s/\s*\(.*\)//; |
7b8d334a |
436 | } else { |
69348ecf |
437 | warn "$0: no title for $Podfile.\n" unless $Quiet; |
438 | $Podfile =~ /^(.*)(\.[^.\/]+)?\z/s; |
439 | $Title = ($Podfile eq "-" ? 'No Title' : $1); |
440 | warn "using $Title" if $Verbose; |
54310121 |
441 | } |
69348ecf |
442 | $Title = html_escape($Title); |
59ecbafa |
443 | |
444 | my $csslink = ''; |
445 | my $bodystyle = ' style="background-color: white"'; |
446 | my $tdstyle = ' style="background-color: #cccccc"'; |
447 | |
69348ecf |
448 | if ($Css) { |
449 | $csslink = qq(\n<link rel="stylesheet" href="$Css" type="text/css" />); |
59ecbafa |
450 | $csslink =~ s,\\,/,g; |
451 | $csslink =~ s,(/.):,$1|,; |
452 | $bodystyle = ''; |
453 | $tdstyle = ''; |
454 | } |
455 | |
69348ecf |
456 | my $block = $Header ? <<END_OF_BLOCK : ''; |
59ecbafa |
457 | <table border="0" width="100%" cellspacing="0" cellpadding="3"> |
458 | <tr><td class="block"$tdstyle valign="middle"> |
69348ecf |
459 | <big><strong><span class="block"> $Title</span></strong></big> |
59ecbafa |
460 | </td></tr> |
461 | </table> |
34db337b |
462 | END_OF_BLOCK |
463 | |
54310121 |
464 | print HTML <<END_OF_HEAD; |
59ecbafa |
465 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
466 | <html xmlns="http://www.w3.org/1999/xhtml"> |
8d481ee5 |
467 | <head> |
69348ecf |
468 | <title>$Title</title>$csslink |
59ecbafa |
469 | <link rev="made" href="mailto:$Config{perladmin}" /> |
470 | </head> |
471 | |
472 | <body$bodystyle> |
34db337b |
473 | $block |
54310121 |
474 | END_OF_HEAD |
475 | |
69348ecf |
476 | # load/reload/validate/cache %Pages and %Items |
477 | get_cache($Dircache, $Itemcache, \@Podpath, $Podroot, $Recurse); |
54310121 |
478 | |
479 | # scan the pod for =item directives |
69348ecf |
480 | scan_items( \%Local_Items, "", @poddata); |
54310121 |
481 | |
69348ecf |
482 | # put an index at the top of the file. note, if $Doindex is 0 we |
54310121 |
483 | # still generate an index, but surround it with an html comment. |
484 | # that way some other program can extract it if desired. |
485 | $index =~ s/--+/-/g; |
59ecbafa |
486 | print HTML "<p><a name=\"__index__\"></a></p>\n"; |
54310121 |
487 | print HTML "<!-- INDEX BEGIN -->\n"; |
69348ecf |
488 | print HTML "<!--\n" unless $Doindex; |
54310121 |
489 | print HTML $index; |
69348ecf |
490 | print HTML "-->\n" unless $Doindex; |
54310121 |
491 | print HTML "<!-- INDEX END -->\n\n"; |
69348ecf |
492 | print HTML "<hr />\n" if $Doindex and $index; |
54310121 |
493 | |
494 | # now convert this file |
2a28b791 |
495 | my $after_item; # set to true after an =item |
59ecbafa |
496 | my $need_dd = 0; |
69348ecf |
497 | warn "Converting input file $Podfile\n" if $Verbose; |
2a28b791 |
498 | foreach my $i (0..$#poddata){ |
69348ecf |
499 | $PTQuote = 0; # status of quote conversion |
2a28b791 |
500 | |
54310121 |
501 | $_ = $poddata[$i]; |
69348ecf |
502 | $Paragraph = $i+1; |
54310121 |
503 | if (/^(=.*)/s) { # is it a pod directive? |
69348ecf |
504 | $Ignore = 0; |
2a28b791 |
505 | $after_item = 0; |
59ecbafa |
506 | $need_dd = 0; |
54310121 |
507 | $_ = $1; |
508 | if (/^=begin\s+(\S+)\s*(.*)/si) {# =begin |
509 | process_begin($1, $2); |
510 | } elsif (/^=end\s+(\S+)\s*(.*)/si) {# =end |
511 | process_end($1, $2); |
512 | } elsif (/^=cut/) { # =cut |
513 | process_cut(); |
514 | } elsif (/^=pod/) { # =pod |
515 | process_pod(); |
516 | } else { |
69348ecf |
517 | next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; |
54310121 |
518 | |
7b8d334a |
519 | if (/^=(head[1-6])\s+(.*\S)/s) { # =head[1-6] heading |
69348ecf |
520 | process_head( $1, $2, $Doindex && $index ); |
2a28b791 |
521 | } elsif (/^=item\s*(.*\S)?/sm) { # =item text |
59ecbafa |
522 | $need_dd = process_item( $1 ); |
2a28b791 |
523 | $after_item = 1; |
54310121 |
524 | } elsif (/^=over\s*(.*)/) { # =over N |
525 | process_over(); |
526 | } elsif (/^=back/) { # =back |
527 | process_back(); |
a45bd81d |
528 | } elsif (/^=for\s+(\S+)\s*(.*)/si) {# =for |
54310121 |
529 | process_for($1,$2); |
530 | } else { |
531 | /^=(\S*)\s*/; |
69348ecf |
532 | warn "$0: $Podfile: unknown pod directive '$1' in " |
ac094485 |
533 | . "paragraph $Paragraph. ignoring.\n" unless $Quiet; |
54310121 |
534 | } |
535 | } |
69348ecf |
536 | $Top = 0; |
54310121 |
537 | } |
538 | else { |
69348ecf |
539 | next if $Ignore; |
540 | next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; |
541 | print HTML and next if @Begin_Stack && $Begin_Stack[-1] eq 'html'; |
59ecbafa |
542 | print HTML "<dd>\n" if $need_dd; |
54310121 |
543 | my $text = $_; |
2a28b791 |
544 | if( $text =~ /\A\s+/ ){ |
545 | process_pre( \$text ); |
59ecbafa |
546 | print HTML "<pre>\n$text</pre>\n"; |
2a28b791 |
547 | |
548 | } else { |
549 | process_text( \$text ); |
550 | |
551 | # experimental: check for a paragraph where all lines |
552 | # have some ...\t...\t...\n pattern |
553 | if( $text =~ /\t/ ){ |
554 | my @lines = split( "\n", $text ); |
555 | if( @lines > 1 ){ |
556 | my $all = 2; |
557 | foreach my $line ( @lines ){ |
558 | if( $line =~ /\S/ && $line !~ /\t/ ){ |
559 | $all--; |
560 | last if $all == 0; |
561 | } |
562 | } |
563 | if( $all > 0 ){ |
59ecbafa |
564 | $text =~ s/\t+/<td>/g; |
565 | $text =~ s/^/<tr><td>/gm; |
566 | $text = '<table cellspacing="0" cellpadding="0">' . |
567 | $text . '</table>'; |
2a28b791 |
568 | } |
569 | } |
570 | } |
571 | ## end of experimental |
572 | |
573 | if( $after_item ){ |
574 | print HTML "$text\n"; |
69348ecf |
575 | $After_Lpar = 1; |
2a28b791 |
576 | } else { |
59ecbafa |
577 | print HTML "<p>$text</p>\n"; |
2a28b791 |
578 | } |
579 | } |
59ecbafa |
580 | print HTML "</dd>\n" if $need_dd; |
2a28b791 |
581 | $after_item = 0; |
54310121 |
582 | } |
583 | } |
584 | |
585 | # finish off any pending directives |
586 | finish_list(); |
2a28b791 |
587 | |
588 | # link to page index |
69348ecf |
589 | print HTML "<p><a href=\"#__index__\"><small>$Backlink</small></a></p>\n" |
590 | if $Doindex and $index and $Backlink; |
2a28b791 |
591 | |
54310121 |
592 | print HTML <<END_OF_TAIL; |
34db337b |
593 | $block |
59ecbafa |
594 | </body> |
54310121 |
595 | |
59ecbafa |
596 | </html> |
54310121 |
597 | END_OF_TAIL |
598 | |
599 | # close the html file |
600 | close(HTML); |
601 | |
69348ecf |
602 | warn "Finished\n" if $Verbose; |
54310121 |
603 | } |
604 | |
605 | ############################################################################## |
606 | |
54310121 |
607 | sub usage { |
608 | my $podfile = shift; |
609 | warn "$0: $podfile: @_\n" if @_; |
69348ecf |
610 | die <<END_OF_USAGE; |
54310121 |
611 | Usage: $0 --help --htmlroot=<name> --infile=<name> --outfile=<name> |
612 | --podpath=<name>:...:<name> --podroot=<name> |
613 | --libpods=<name>:...:<name> --recurse --verbose --index |
b42210d7 |
614 | --netscape --norecurse --noindex --cachedir=<name> |
54310121 |
615 | |
0e4548d5 |
616 | --backlink - set text for "back to top" links (default: none). |
b42210d7 |
617 | --cachedir - directory for the item and directory cache files. |
0e4548d5 |
618 | --css - stylesheet URL |
619 | --flush - flushes the item and directory caches. |
620 | --[no]header - produce block header/footer (default is no headers). |
621 | --help - prints this message. |
99a6169d |
622 | --hiddendirs - search hidden directories in podpath |
0e4548d5 |
623 | --htmldir - directory for resulting HTML files. |
624 | --htmlroot - http-server base directory from which all relative paths |
625 | in podpath stem (default is /). |
626 | --[no]index - generate an index at the top of the resulting html |
627 | (default behaviour). |
628 | --infile - filename for the pod to convert (input taken from stdin |
629 | by default). |
630 | --libpods - colon-separated list of pages to search for =item pod |
631 | directives in as targets of C<> and implicit links (empty |
632 | by default). note, these are not filenames, but rather |
633 | page names like those that appear in L<> links. |
0e4548d5 |
634 | --outfile - filename for the resulting html file (output sent to |
635 | stdout by default). |
636 | --podpath - colon-separated list of directories containing library |
637 | pods (empty by default). |
638 | --podroot - filesystem base directory from which all relative paths |
639 | in podpath stem (default is .). |
640 | --[no]quiet - supress some benign warning messages (default is off). |
641 | --[no]recurse - recurse on those subdirectories listed in podpath |
642 | (default behaviour). |
643 | --title - title that will appear in resulting html file. |
644 | --[no]verbose - self-explanatory (off by default). |
59ecbafa |
645 | --[no]netscape - deprecated, has no effect. for backwards compatibility only. |
54310121 |
646 | |
647 | END_OF_USAGE |
648 | |
69348ecf |
649 | } |
650 | |
54310121 |
651 | sub parse_command_line { |
b42210d7 |
652 | my ($opt_backlink,$opt_cachedir,$opt_css,$opt_flush,$opt_header,$opt_help, |
653 | $opt_htmldir,$opt_htmlroot,$opt_index,$opt_infile,$opt_libpods, |
654 | $opt_netscape,$opt_outfile,$opt_podpath,$opt_podroot,$opt_quiet, |
99a6169d |
655 | $opt_recurse,$opt_title,$opt_verbose,$opt_hiddendirs); |
0e4548d5 |
656 | |
34db337b |
657 | unshift @ARGV, split ' ', $Config{pod2html} if $Config{pod2html}; |
54310121 |
658 | my $result = GetOptions( |
0e4548d5 |
659 | 'backlink=s' => \$opt_backlink, |
b42210d7 |
660 | 'cachedir=s' => \$opt_cachedir, |
0e4548d5 |
661 | 'css=s' => \$opt_css, |
29f227c9 |
662 | 'flush' => \$opt_flush, |
0e4548d5 |
663 | 'header!' => \$opt_header, |
29f227c9 |
664 | 'help' => \$opt_help, |
99a6169d |
665 | 'hiddendirs!'=> \$opt_hiddendirs, |
29f227c9 |
666 | 'htmldir=s' => \$opt_htmldir, |
54310121 |
667 | 'htmlroot=s' => \$opt_htmlroot, |
29f227c9 |
668 | 'index!' => \$opt_index, |
54310121 |
669 | 'infile=s' => \$opt_infile, |
670 | 'libpods=s' => \$opt_libpods, |
671 | 'netscape!' => \$opt_netscape, |
672 | 'outfile=s' => \$opt_outfile, |
673 | 'podpath=s' => \$opt_podpath, |
674 | 'podroot=s' => \$opt_podroot, |
0e4548d5 |
675 | 'quiet!' => \$opt_quiet, |
54310121 |
676 | 'recurse!' => \$opt_recurse, |
677 | 'title=s' => \$opt_title, |
0e4548d5 |
678 | 'verbose!' => \$opt_verbose, |
54310121 |
679 | ); |
680 | usage("-", "invalid parameters") if not $result; |
681 | |
682 | usage("-") if defined $opt_help; # see if the user asked for help |
683 | $opt_help = ""; # just to make -w shut-up. |
684 | |
69348ecf |
685 | @Podpath = split(":", $opt_podpath) if defined $opt_podpath; |
686 | @Libpods = split(":", $opt_libpods) if defined $opt_libpods; |
687 | |
688 | $Backlink = $opt_backlink if defined $opt_backlink; |
689 | $Cachedir = $opt_cachedir if defined $opt_cachedir; |
690 | $Css = $opt_css if defined $opt_css; |
691 | $Header = $opt_header if defined $opt_header; |
692 | $Htmldir = $opt_htmldir if defined $opt_htmldir; |
693 | $Htmlroot = $opt_htmlroot if defined $opt_htmlroot; |
694 | $Doindex = $opt_index if defined $opt_index; |
695 | $Podfile = $opt_infile if defined $opt_infile; |
99a6169d |
696 | $HiddenDirs = $opt_hiddendirs if defined $opt_hiddendirs; |
69348ecf |
697 | $Htmlfile = $opt_outfile if defined $opt_outfile; |
698 | $Podroot = $opt_podroot if defined $opt_podroot; |
699 | $Quiet = $opt_quiet if defined $opt_quiet; |
700 | $Recurse = $opt_recurse if defined $opt_recurse; |
701 | $Title = $opt_title if defined $opt_title; |
702 | $Verbose = $opt_verbose if defined $opt_verbose; |
0e4548d5 |
703 | |
54310121 |
704 | warn "Flushing item and directory caches\n" |
705 | if $opt_verbose && defined $opt_flush; |
69348ecf |
706 | $Dircache = "$Cachedir/pod2htmd.tmp"; |
707 | $Itemcache = "$Cachedir/pod2htmi.tmp"; |
383e43c7 |
708 | if (defined $opt_flush) { |
69348ecf |
709 | 1 while unlink($Dircache, $Itemcache); |
383e43c7 |
710 | } |
54310121 |
711 | } |
712 | |
3e3baf6d |
713 | |
69348ecf |
714 | my $Saved_Cache_Key; |
3e3baf6d |
715 | |
716 | sub get_cache { |
717 | my($dircache, $itemcache, $podpath, $podroot, $recurse) = @_; |
718 | my @cache_key_args = @_; |
719 | |
720 | # A first-level cache: |
721 | # Don't bother reading the cache files if they still apply |
722 | # and haven't changed since we last read them. |
723 | |
724 | my $this_cache_key = cache_key(@cache_key_args); |
725 | |
69348ecf |
726 | return if $Saved_Cache_Key and $this_cache_key eq $Saved_Cache_Key; |
3e3baf6d |
727 | |
69348ecf |
728 | # load the cache of %Pages and %Items if possible. $tests will be |
3e3baf6d |
729 | # non-zero if successful. |
730 | my $tests = 0; |
731 | if (-f $dircache && -f $itemcache) { |
69348ecf |
732 | warn "scanning for item cache\n" if $Verbose; |
3e3baf6d |
733 | $tests = load_cache($dircache, $itemcache, $podpath, $podroot); |
734 | } |
735 | |
736 | # if we didn't succeed in loading the cache then we must (re)build |
69348ecf |
737 | # %Pages and %Items. |
3e3baf6d |
738 | if (!$tests) { |
69348ecf |
739 | warn "scanning directories in pod-path\n" if $Verbose; |
3e3baf6d |
740 | scan_podpath($podroot, $recurse, 0); |
741 | } |
69348ecf |
742 | $Saved_Cache_Key = cache_key(@cache_key_args); |
3e3baf6d |
743 | } |
744 | |
745 | sub cache_key { |
746 | my($dircache, $itemcache, $podpath, $podroot, $recurse) = @_; |
747 | return join('!', $dircache, $itemcache, $recurse, |
29f227c9 |
748 | @$podpath, $podroot, stat($dircache), stat($itemcache)); |
3e3baf6d |
749 | } |
750 | |
54310121 |
751 | # |
3e3baf6d |
752 | # load_cache - tries to find if the caches stored in $dircache and $itemcache |
69348ecf |
753 | # are valid caches of %Pages and %Items. if they are valid then it loads |
54310121 |
754 | # them and returns a non-zero value. |
755 | # |
3e3baf6d |
756 | sub load_cache { |
54310121 |
757 | my($dircache, $itemcache, $podpath, $podroot) = @_; |
758 | my($tests); |
759 | local $_; |
760 | |
761 | $tests = 0; |
762 | |
763 | open(CACHE, "<$itemcache") || |
764 | die "$0: error opening $itemcache for reading: $!\n"; |
765 | $/ = "\n"; |
766 | |
767 | # is it the same podpath? |
768 | $_ = <CACHE>; |
769 | chomp($_); |
3e3baf6d |
770 | $tests++ if (join(":", @$podpath) eq $_); |
54310121 |
771 | |
772 | # is it the same podroot? |
773 | $_ = <CACHE>; |
774 | chomp($_); |
775 | $tests++ if ($podroot eq $_); |
776 | |
777 | # load the cache if its good |
778 | if ($tests != 2) { |
779 | close(CACHE); |
54310121 |
780 | return 0; |
781 | } |
782 | |
69348ecf |
783 | warn "loading item cache\n" if $Verbose; |
54310121 |
784 | while (<CACHE>) { |
785 | /(.*?) (.*)$/; |
69348ecf |
786 | $Items{$1} = $2; |
54310121 |
787 | } |
788 | close(CACHE); |
789 | |
69348ecf |
790 | warn "scanning for directory cache\n" if $Verbose; |
54310121 |
791 | open(CACHE, "<$dircache") || |
792 | die "$0: error opening $dircache for reading: $!\n"; |
793 | $/ = "\n"; |
794 | $tests = 0; |
795 | |
796 | # is it the same podpath? |
797 | $_ = <CACHE>; |
798 | chomp($_); |
3e3baf6d |
799 | $tests++ if (join(":", @$podpath) eq $_); |
54310121 |
800 | |
801 | # is it the same podroot? |
802 | $_ = <CACHE>; |
803 | chomp($_); |
804 | $tests++ if ($podroot eq $_); |
805 | |
806 | # load the cache if its good |
807 | if ($tests != 2) { |
808 | close(CACHE); |
54310121 |
809 | return 0; |
810 | } |
811 | |
69348ecf |
812 | warn "loading directory cache\n" if $Verbose; |
54310121 |
813 | while (<CACHE>) { |
814 | /(.*?) (.*)$/; |
69348ecf |
815 | $Pages{$1} = $2; |
54310121 |
816 | } |
817 | |
818 | close(CACHE); |
819 | |
820 | return 1; |
821 | } |
822 | |
823 | # |
824 | # scan_podpath - scans the directories specified in @podpath for directories, |
825 | # .pod files, and .pm files. it also scans the pod files specified in |
69348ecf |
826 | # @Libpods for =item directives. |
54310121 |
827 | # |
828 | sub scan_podpath { |
3e3baf6d |
829 | my($podroot, $recurse, $append) = @_; |
54310121 |
830 | my($pwd, $dir); |
831 | my($libpod, $dirname, $pod, @files, @poddata); |
832 | |
3e3baf6d |
833 | unless($append) { |
69348ecf |
834 | %Items = (); |
835 | %Pages = (); |
3e3baf6d |
836 | } |
837 | |
69348ecf |
838 | # scan each directory listed in @Podpath |
54310121 |
839 | $pwd = getcwd(); |
840 | chdir($podroot) |
841 | || die "$0: error changing to directory $podroot: $!\n"; |
69348ecf |
842 | foreach $dir (@Podpath) { |
54310121 |
843 | scan_dir($dir, $recurse); |
844 | } |
845 | |
69348ecf |
846 | # scan the pods listed in @Libpods for =item directives |
847 | foreach $libpod (@Libpods) { |
54310121 |
848 | # if the page isn't defined then we won't know where to find it |
849 | # on the system. |
69348ecf |
850 | next unless defined $Pages{$libpod} && $Pages{$libpod}; |
54310121 |
851 | |
852 | # if there is a directory then use the .pod and .pm files within it. |
29f227c9 |
853 | # NOTE: Only finds the first so-named directory in the tree. |
69348ecf |
854 | # if ($Pages{$libpod} =~ /([^:]*[^(\.pod|\.pm)]):/) { |
855 | if ($Pages{$libpod} =~ /([^:]*(?<!\.pod)(?<!\.pm)):/) { |
54310121 |
856 | # find all the .pod and .pm files within the directory |
857 | $dirname = $1; |
858 | opendir(DIR, $dirname) || |
859 | die "$0: error opening directory $dirname: $!\n"; |
fe6f1558 |
860 | @files = grep(/(\.pod|\.pm)\z/ && ! -d $_, readdir(DIR)); |
54310121 |
861 | closedir(DIR); |
862 | |
863 | # scan each .pod and .pm file for =item directives |
864 | foreach $pod (@files) { |
865 | open(POD, "<$dirname/$pod") || |
866 | die "$0: error opening $dirname/$pod for input: $!\n"; |
867 | @poddata = <POD>; |
868 | close(POD); |
2a28b791 |
869 | clean_data( \@poddata ); |
54310121 |
870 | |
69348ecf |
871 | scan_items( \%Items, "$dirname/$pod", @poddata); |
54310121 |
872 | } |
873 | |
874 | # use the names of files as =item directives too. |
2a28b791 |
875 | ### Don't think this should be done this way - confuses issues.(WL) |
876 | ### foreach $pod (@files) { |
877 | ### $pod =~ /^(.*)(\.pod|\.pm)$/; |
69348ecf |
878 | ### $Items{$1} = "$dirname/$1.html" if $1; |
2a28b791 |
879 | ### } |
69348ecf |
880 | } elsif ($Pages{$libpod} =~ /([^:]*\.pod):/ || |
881 | $Pages{$libpod} =~ /([^:]*\.pm):/) { |
54310121 |
882 | # scan the .pod or .pm file for =item directives |
883 | $pod = $1; |
884 | open(POD, "<$pod") || |
885 | die "$0: error opening $pod for input: $!\n"; |
886 | @poddata = <POD>; |
887 | close(POD); |
2a28b791 |
888 | clean_data( \@poddata ); |
54310121 |
889 | |
69348ecf |
890 | scan_items( \%Items, "$pod", @poddata); |
54310121 |
891 | } else { |
ac094485 |
892 | warn "$0: shouldn't be here (line ".__LINE__."\n" unless $Quiet; |
54310121 |
893 | } |
894 | } |
895 | @poddata = (); # clean-up a bit |
896 | |
897 | chdir($pwd) |
898 | || die "$0: error changing to directory $pwd: $!\n"; |
899 | |
900 | # cache the item list for later use |
69348ecf |
901 | warn "caching items for later use\n" if $Verbose; |
902 | open(CACHE, ">$Itemcache") || |
903 | die "$0: error open $Itemcache for writing: $!\n"; |
54310121 |
904 | |
69348ecf |
905 | print CACHE join(":", @Podpath) . "\n$podroot\n"; |
906 | foreach my $key (keys %Items) { |
907 | print CACHE "$key $Items{$key}\n"; |
54310121 |
908 | } |
909 | |
910 | close(CACHE); |
911 | |
912 | # cache the directory list for later use |
69348ecf |
913 | warn "caching directories for later use\n" if $Verbose; |
914 | open(CACHE, ">$Dircache") || |
915 | die "$0: error open $Dircache for writing: $!\n"; |
54310121 |
916 | |
69348ecf |
917 | print CACHE join(":", @Podpath) . "\n$podroot\n"; |
918 | foreach my $key (keys %Pages) { |
919 | print CACHE "$key $Pages{$key}\n"; |
54310121 |
920 | } |
921 | |
922 | close(CACHE); |
923 | } |
924 | |
925 | # |
926 | # scan_dir - scans the directory specified in $dir for subdirectories, .pod |
927 | # files, and .pm files. notes those that it finds. this information will |
928 | # be used later in order to figure out where the pages specified in L<> |
929 | # links are on the filesystem. |
930 | # |
931 | sub scan_dir { |
932 | my($dir, $recurse) = @_; |
933 | my($t, @subdirs, @pods, $pod, $dirname, @dirs); |
934 | local $_; |
935 | |
936 | @subdirs = (); |
937 | @pods = (); |
938 | |
939 | opendir(DIR, $dir) || |
940 | die "$0: error opening directory $dir: $!\n"; |
941 | while (defined($_ = readdir(DIR))) { |
99a6169d |
942 | if (-d "$dir/$_" && $_ ne "." && $_ ne ".." |
943 | && ($HiddenDirs || !/^\./) |
944 | ) { # directory |
69348ecf |
945 | $Pages{$_} = "" unless defined $Pages{$_}; |
946 | $Pages{$_} .= "$dir/$_:"; |
54310121 |
947 | push(@subdirs, $_); |
fe6f1558 |
948 | } elsif (/\.pod\z/) { # .pod |
949 | s/\.pod\z//; |
69348ecf |
950 | $Pages{$_} = "" unless defined $Pages{$_}; |
951 | $Pages{$_} .= "$dir/$_.pod:"; |
54310121 |
952 | push(@pods, "$dir/$_.pod"); |
d3f9d0fb |
953 | } elsif (/\.html\z/) { # .html |
954 | s/\.html\z//; |
69348ecf |
955 | $Pages{$_} = "" unless defined $Pages{$_}; |
956 | $Pages{$_} .= "$dir/$_.pod:"; |
fe6f1558 |
957 | } elsif (/\.pm\z/) { # .pm |
958 | s/\.pm\z//; |
69348ecf |
959 | $Pages{$_} = "" unless defined $Pages{$_}; |
960 | $Pages{$_} .= "$dir/$_.pm:"; |
54310121 |
961 | push(@pods, "$dir/$_.pm"); |
962 | } |
963 | } |
964 | closedir(DIR); |
965 | |
966 | # recurse on the subdirectories if necessary |
967 | if ($recurse) { |
968 | foreach my $subdir (@subdirs) { |
969 | scan_dir("$dir/$subdir", $recurse); |
970 | } |
971 | } |
972 | } |
973 | |
974 | # |
975 | # scan_headings - scan a pod file for head[1-6] tags, note the tags, and |
976 | # build an index. |
977 | # |
978 | sub scan_headings { |
979 | my($sections, @data) = @_; |
2a28b791 |
980 | my($tag, $which_head, $otitle, $listdepth, $index); |
54310121 |
981 | |
69348ecf |
982 | local $Ignore = 0; |
be173d55 |
983 | |
54310121 |
984 | $listdepth = 0; |
985 | $index = ""; |
986 | |
987 | # scan for =head directives, note their name, and build an index |
988 | # pointing to each of them. |
989 | foreach my $line (@data) { |
59ecbafa |
990 | if ($line =~ /^=(head)([1-6])\s+(.*)/) { |
991 | ($tag, $which_head, $otitle) = ($1,$2,$3); |
2a28b791 |
992 | |
59ecbafa |
993 | my $title = depod( $otitle ); |
2beb85b7 |
994 | my $name = anchorify( $title ); |
59ecbafa |
995 | $$sections{$name} = 1; |
59ecbafa |
996 | $title = process_text( \$otitle ); |
54310121 |
997 | |
102c538a |
998 | while ($which_head != $listdepth) { |
999 | if ($which_head > $listdepth) { |
59ecbafa |
1000 | $index .= "\n" . ("\t" x $listdepth) . "<ul>\n"; |
102c538a |
1001 | $listdepth++; |
1002 | } elsif ($which_head < $listdepth) { |
1003 | $listdepth--; |
59ecbafa |
1004 | $index .= "\n" . ("\t" x $listdepth) . "</ul>\n"; |
102c538a |
1005 | } |
54310121 |
1006 | } |
54310121 |
1007 | |
59ecbafa |
1008 | $index .= "\n" . ("\t" x $listdepth) . "<li>" . |
1009 | "<a href=\"#" . $name . "\">" . |
1010 | $title . "</a></li>"; |
54310121 |
1011 | } |
1012 | } |
1013 | |
1014 | # finish off the lists |
1015 | while ($listdepth--) { |
59ecbafa |
1016 | $index .= "\n" . ("\t" x $listdepth) . "</ul>\n"; |
54310121 |
1017 | } |
1018 | |
1019 | # get rid of bogus lists |
59ecbafa |
1020 | $index =~ s,\t*<ul>\s*</ul>\n,,g; |
54310121 |
1021 | |
1022 | return $index; |
1023 | } |
1024 | |
1025 | # |
1026 | # scan_items - scans the pod specified by $pod for =item directives. we |
1027 | # will use this information later on in resolving C<> links. |
1028 | # |
1029 | sub scan_items { |
2a28b791 |
1030 | my( $itemref, $pod, @poddata ) = @_; |
54310121 |
1031 | my($i, $item); |
1032 | local $_; |
1033 | |
fe6f1558 |
1034 | $pod =~ s/\.pod\z//; |
54310121 |
1035 | $pod .= ".html" if $pod; |
1036 | |
1037 | foreach $i (0..$#poddata) { |
2a28b791 |
1038 | my $txt = depod( $poddata[$i] ); |
1039 | |
1040 | # figure out what kind of item it is. |
1041 | # Build string for referencing this item. |
1042 | if ( $txt =~ /\A=item\s+\*\s*(.*)\Z/s ) { # bullet |
1043 | next unless $1; |
1044 | $item = $1; |
1045 | } elsif( $txt =~ /\A=item\s+(?>\d+\.?)\s*(.*)\Z/s ) { # numbered list |
1046 | $item = $1; |
1047 | } elsif( $txt =~ /\A=item\s+(.*)\Z/s ) { # plain item |
1048 | $item = $1; |
1049 | } else { |
1050 | next; |
54310121 |
1051 | } |
2a28b791 |
1052 | my $fid = fragment_id( $item ); |
1053 | $$itemref{$fid} = "$pod" if $fid; |
54310121 |
1054 | } |
1055 | } |
1056 | |
1057 | # |
1058 | # process_head - convert a pod head[1-6] tag and convert it to HTML format. |
1059 | # |
1060 | sub process_head { |
2a28b791 |
1061 | my($tag, $heading, $hasindex) = @_; |
54310121 |
1062 | |
1063 | # figure out the level of the =head |
1064 | $tag =~ /head([1-6])/; |
1065 | my $level = $1; |
1066 | |
69348ecf |
1067 | if( $Listlevel ){ |
ac094485 |
1068 | warn "$0: $Podfile: unterminated list at =head in paragraph $Paragraph. ignoring.\n" unless $Quiet; |
69348ecf |
1069 | while( $Listlevel ){ |
2a28b791 |
1070 | process_back(); |
1071 | } |
1072 | } |
1073 | |
59ecbafa |
1074 | print HTML "<p>\n"; |
69348ecf |
1075 | if( $level == 1 && ! $Top ){ |
1076 | print HTML "<a href=\"#__index__\"><small>$Backlink</small></a>\n" |
1077 | if $hasindex and $Backlink; |
59ecbafa |
1078 | print HTML "</p>\n<hr />\n" |
1079 | } else { |
1080 | print HTML "</p>\n"; |
2a28b791 |
1081 | } |
1082 | |
0d396dd4 |
1083 | my $name = anchorify( depod( $heading ) ); |
2a28b791 |
1084 | my $convert = process_text( \$heading ); |
59ecbafa |
1085 | print HTML "<h$level><a name=\"$name\">$convert</a></h$level>\n"; |
54310121 |
1086 | } |
1087 | |
2a28b791 |
1088 | |
54310121 |
1089 | # |
2a28b791 |
1090 | # emit_item_tag - print an =item's text |
1091 | # Note: The global $EmittedItem is used for inhibiting self-references. |
54310121 |
1092 | # |
2a28b791 |
1093 | my $EmittedItem; |
1094 | |
1095 | sub emit_item_tag($$$){ |
1096 | my( $otext, $text, $compact ) = @_; |
1097 | my $item = fragment_id( $text ); |
54310121 |
1098 | |
2a28b791 |
1099 | $EmittedItem = $item; |
1100 | ### print STDERR "emit_item_tag=$item ($text)\n"; |
54310121 |
1101 | |
59ecbafa |
1102 | print HTML '<strong>'; |
69348ecf |
1103 | if ($Items_Named{$item}++) { |
2a28b791 |
1104 | print HTML process_text( \$otext ); |
1105 | } else { |
0d396dd4 |
1106 | my $name = 'item_' . $item; |
1107 | $name = anchorify($name); |
59ecbafa |
1108 | print HTML qq{<a name="$name">}, process_text( \$otext ), '</a>'; |
2a28b791 |
1109 | } |
59ecbafa |
1110 | print HTML "</strong><br />\n"; |
2a28b791 |
1111 | undef( $EmittedItem ); |
1112 | } |
1113 | |
1114 | sub emit_li { |
1115 | my( $tag ) = @_; |
69348ecf |
1116 | if( $Items_Seen[$Listlevel]++ == 0 ){ |
1117 | push( @Listend, "</$tag>" ); |
2a28b791 |
1118 | print HTML "<$tag>\n"; |
1119 | } |
59ecbafa |
1120 | my $emitted = $tag eq 'dl' ? 'dt' : 'li'; |
1121 | print HTML "<$emitted>"; |
1122 | return $emitted; |
2a28b791 |
1123 | } |
1124 | |
1125 | # |
1126 | # process_item - convert a pod item tag and convert it to HTML format. |
1127 | # |
1128 | sub process_item { |
1129 | my( $otext ) = @_; |
59ecbafa |
1130 | my $need_dd = 0; # set to 1 if we need a <dd></dd> after an item |
54310121 |
1131 | |
1132 | # lots of documents start a list without doing an =over. this is |
1133 | # bad! but, the proper thing to do seems to be to just assume |
1134 | # they did do an =over. so warn them once and then continue. |
69348ecf |
1135 | if( $Listlevel == 0 ){ |
ac094485 |
1136 | warn "$0: $Podfile: unexpected =item directive in paragraph $Paragraph. ignoring.\n" unless $Quiet; |
2a28b791 |
1137 | process_over(); |
1138 | } |
54310121 |
1139 | |
2a28b791 |
1140 | # formatting: insert a paragraph if preceding item has >1 paragraph |
69348ecf |
1141 | if( $After_Lpar ){ |
59ecbafa |
1142 | print HTML "<p></p>\n"; |
69348ecf |
1143 | $After_Lpar = 0; |
2a28b791 |
1144 | } |
54310121 |
1145 | |
1146 | # remove formatting instructions from the text |
2a28b791 |
1147 | my $text = depod( $otext ); |
1148 | |
59ecbafa |
1149 | my $emitted; # the tag actually emitted, used for closing |
1150 | |
2a28b791 |
1151 | # all the list variants: |
1152 | if( $text =~ /\A\*/ ){ # bullet |
59ecbafa |
1153 | $emitted = emit_li( 'ul' ); |
1154 | if ($text =~ /\A\*\s+(.+)\Z/s ) { # with additional text |
1155 | my $tag = $1; |
1156 | $otext =~ s/\A\*\s+//; |
1157 | emit_item_tag( $otext, $tag, 1 ); |
1158 | } |
54310121 |
1159 | |
2a28b791 |
1160 | } elsif( $text =~ /\A\d+/ ){ # numbered list |
59ecbafa |
1161 | $emitted = emit_li( 'ol' ); |
1162 | if ($text =~ /\A(?>\d+\.?)\s*(.+)\Z/s ) { # with additional text |
1163 | my $tag = $1; |
1164 | $otext =~ s/\A\d+\.?\s*//; |
1165 | emit_item_tag( $otext, $tag, 1 ); |
1166 | } |
54310121 |
1167 | |
2a28b791 |
1168 | } else { # definition list |
59ecbafa |
1169 | $emitted = emit_li( 'dl' ); |
1170 | if ($text =~ /\A(.+)\Z/s ){ # should have text |
1171 | emit_item_tag( $otext, $text, 1 ); |
1172 | } |
1173 | $need_dd = 1; |
54310121 |
1174 | } |
59ecbafa |
1175 | print HTML "</$emitted>" if $emitted; |
54310121 |
1176 | print HTML "\n"; |
59ecbafa |
1177 | return $need_dd; |
54310121 |
1178 | } |
1179 | |
1180 | # |
2a28b791 |
1181 | # process_over - process a pod over tag and start a corresponding HTML list. |
54310121 |
1182 | # |
1183 | sub process_over { |
1184 | # start a new list |
69348ecf |
1185 | $Listlevel++; |
1186 | push( @Items_Seen, 0 ); |
1187 | $After_Lpar = 0; |
54310121 |
1188 | } |
1189 | |
1190 | # |
1191 | # process_back - process a pod back tag and convert it to HTML format. |
1192 | # |
1193 | sub process_back { |
69348ecf |
1194 | if( $Listlevel == 0 ){ |
ac094485 |
1195 | warn "$0: $Podfile: unexpected =back directive in paragraph $Paragraph. ignoring.\n" unless $Quiet; |
2a28b791 |
1196 | return; |
1197 | } |
54310121 |
1198 | |
69348ecf |
1199 | # close off the list. note, I check to see if $Listend[$Listlevel] is |
54310121 |
1200 | # defined because an =item directive may have never appeared and thus |
69348ecf |
1201 | # $Listend[$Listlevel] may have never been initialized. |
1202 | $Listlevel--; |
1203 | if( defined $Listend[$Listlevel] ){ |
1204 | print HTML '<p></p>' if $After_Lpar; |
1205 | print HTML $Listend[$Listlevel]; |
2a28b791 |
1206 | print HTML "\n"; |
69348ecf |
1207 | pop( @Listend ); |
2a28b791 |
1208 | } |
69348ecf |
1209 | $After_Lpar = 0; |
54310121 |
1210 | |
2a28b791 |
1211 | # clean up item count |
69348ecf |
1212 | pop( @Items_Seen ); |
54310121 |
1213 | } |
1214 | |
1215 | # |
2a28b791 |
1216 | # process_cut - process a pod cut tag, thus start ignoring pod directives. |
54310121 |
1217 | # |
1218 | sub process_cut { |
69348ecf |
1219 | $Ignore = 1; |
54310121 |
1220 | } |
1221 | |
1222 | # |
d1be9408 |
1223 | # process_pod - process a pod tag, thus stop ignoring pod directives |
2a28b791 |
1224 | # until we see a corresponding cut. |
54310121 |
1225 | # |
1226 | sub process_pod { |
69348ecf |
1227 | # no need to set $Ignore to 0 cause the main loop did it |
54310121 |
1228 | } |
1229 | |
1230 | # |
2a28b791 |
1231 | # process_for - process a =for pod tag. if it's for html, spit |
c4d9b39d |
1232 | # it out verbatim, if illustration, center it, otherwise ignore it. |
54310121 |
1233 | # |
1234 | sub process_for { |
1235 | my($whom, $text) = @_; |
1236 | if ( $whom =~ /^(pod2)?html$/i) { |
1237 | print HTML $text; |
c4d9b39d |
1238 | } elsif ($whom =~ /^illustration$/i) { |
1239 | 1 while chomp $text; |
1240 | for my $ext (qw[.png .gif .jpeg .jpg .tga .pcl .bmp]) { |
1241 | $text .= $ext, last if -r "$text$ext"; |
1242 | } |
59ecbafa |
1243 | print HTML qq{<p align="center"><img src="$text" alt="$text illustration" /></p>}; |
c4d9b39d |
1244 | } |
54310121 |
1245 | } |
1246 | |
1247 | # |
1248 | # process_begin - process a =begin pod tag. this pushes |
1249 | # whom we're beginning on the begin stack. if there's a |
1250 | # begin stack, we only print if it us. |
1251 | # |
1252 | sub process_begin { |
1253 | my($whom, $text) = @_; |
1254 | $whom = lc($whom); |
69348ecf |
1255 | push (@Begin_Stack, $whom); |
54310121 |
1256 | if ( $whom =~ /^(pod2)?html$/) { |
1257 | print HTML $text if $text; |
1258 | } |
1259 | } |
1260 | |
1261 | # |
1262 | # process_end - process a =end pod tag. pop the |
1263 | # begin stack. die if we're mismatched. |
1264 | # |
1265 | sub process_end { |
1266 | my($whom, $text) = @_; |
1267 | $whom = lc($whom); |
69348ecf |
1268 | if ($Begin_Stack[-1] ne $whom ) { |
1269 | die "Unmatched begin/end at chunk $Paragraph\n" |
59ecbafa |
1270 | } |
69348ecf |
1271 | pop( @Begin_Stack ); |
54310121 |
1272 | } |
1273 | |
1274 | # |
59ecbafa |
1275 | # process_pre - indented paragraph, made into <pre></pre> |
54310121 |
1276 | # |
2a28b791 |
1277 | sub process_pre { |
1278 | my( $text ) = @_; |
1279 | my( $rest ); |
69348ecf |
1280 | return if $Ignore; |
54310121 |
1281 | |
54310121 |
1282 | $rest = $$text; |
1283 | |
2a28b791 |
1284 | # insert spaces in place of tabs |
24e08cba |
1285 | $rest =~ s#(.+)# |
1286 | my $line = $1; |
1287 | 1 while $line =~ s/(\t+)/' ' x ((length($1) * 8) - $-[0] % 8)/e; |
be173d55 |
1288 | $line; |
1289 | #eg; |
54310121 |
1290 | |
2a28b791 |
1291 | # convert some special chars to HTML escapes |
59ecbafa |
1292 | $rest = html_escape($rest); |
2a28b791 |
1293 | |
1294 | # try and create links for all occurrences of perl.* within |
1295 | # the preformatted text. |
1296 | $rest =~ s{ |
1297 | (\s*)(perl\w+) |
1298 | }{ |
69348ecf |
1299 | if ( defined $Pages{$2} ){ # is a link |
1300 | qq($1<a href="$Htmlroot/$Pages{$2}">$2</a>); |
1301 | } elsif (defined $Pages{dosify($2)}) { # is a link |
1302 | qq($1<a href="$Htmlroot/$Pages{dosify($2)}">$2</a>); |
2a28b791 |
1303 | } else { |
1304 | "$1$2"; |
1305 | } |
1306 | }xeg; |
1307 | $rest =~ s{ |
59ecbafa |
1308 | (<a\ href="?) ([^>:]*:)? ([^>:]*) \.pod: ([^>:]*:)? |
2a28b791 |
1309 | }{ |
1310 | my $url ; |
69348ecf |
1311 | if ( $Htmlfileurl ne '' ){ |
59ecbafa |
1312 | # Here, we take advantage of the knowledge |
69348ecf |
1313 | # that $Htmlfileurl ne '' implies $Htmlroot eq ''. |
1314 | # Since $Htmlroot eq '', we need to prepend $Htmldir |
2a28b791 |
1315 | # on the fron of the link to get the absolute path |
1316 | # of the link's target. We check for a leading '/' |
1317 | # to avoid corrupting links that are #, file:, etc. |
1318 | my $old_url = $3 ; |
69348ecf |
1319 | $old_url = "$Htmldir$old_url" if $old_url =~ m{^\/}; |
1320 | $url = relativize_url( "$old_url.html", $Htmlfileurl ); |
2a28b791 |
1321 | } else { |
1322 | $url = "$3.html" ; |
1323 | } |
1324 | "$1$url" ; |
1325 | }xeg; |
1326 | |
1327 | # Look for embedded URLs and make them into links. We don't |
1328 | # relativize them since they are best left as the author intended. |
1329 | |
1330 | my $urls = '(' . join ('|', qw{ |
54310121 |
1331 | http |
1332 | telnet |
1333 | mailto |
1334 | news |
1335 | gopher |
1336 | file |
1337 | wais |
1338 | ftp |
59ecbafa |
1339 | } ) |
54310121 |
1340 | . ')'; |
59ecbafa |
1341 | |
2a28b791 |
1342 | my $ltrs = '\w'; |
1343 | my $gunk = '/#~:.?+=&%@!\-'; |
add5afb0 |
1344 | my $punc = '.:!?\-;'; |
2a28b791 |
1345 | my $any = "${ltrs}${gunk}${punc}"; |
54310121 |
1346 | |
2a28b791 |
1347 | $rest =~ s{ |
69e2f044 |
1348 | \b # start at word boundary |
1349 | ( # begin $1 { |
1350 | $urls : # need resource and a colon |
1351 | (?!:) # Ignore File::, among others. |
1352 | [$any] +? # followed by one or more of any valid |
1353 | # character, but be conservative and |
1354 | # take only what you need to.... |
1355 | ) # end $1 } |
1356 | (?= |
1357 | " > # maybe pre-quoted '<a href="...">' |
1358 | | # or: |
1359 | [$punc]* # 0 or more punctuation |
1360 | (?: # followed |
1361 | [^$any] # by a non-url char |
1362 | | # or |
1363 | $ # end of the string |
1364 | ) # |
1365 | | # or else |
1366 | $ # then end of the string |
54310121 |
1367 | ) |
59ecbafa |
1368 | }{<a href="$1">$1</a>}igox; |
54310121 |
1369 | |
2a28b791 |
1370 | # text should be as it is (verbatim) |
1371 | $$text = $rest; |
1372 | } |
54310121 |
1373 | |
54310121 |
1374 | |
2a28b791 |
1375 | # |
1376 | # pure text processing |
1377 | # |
1378 | # pure_text/inIS_text: differ with respect to automatic C<> recognition. |
1379 | # we don't want this to happen within IS |
1380 | # |
1381 | sub pure_text($){ |
1382 | my $text = shift(); |
69348ecf |
1383 | process_puretext( $text, \$PTQuote, 1 ); |
54310121 |
1384 | } |
1385 | |
2a28b791 |
1386 | sub inIS_text($){ |
1387 | my $text = shift(); |
69348ecf |
1388 | process_puretext( $text, \$PTQuote, 0 ); |
2a28b791 |
1389 | } |
54310121 |
1390 | |
1391 | # |
1392 | # process_puretext - process pure text (without pod-escapes) converting |
1393 | # double-quotes and handling implicit C<> links. |
1394 | # |
1395 | sub process_puretext { |
2a28b791 |
1396 | my($text, $quote, $notinIS) = @_; |
54310121 |
1397 | |
2a28b791 |
1398 | ## Guessing at func() or [$@%&]*var references in plain text is destined |
1399 | ## to produce some strange looking ref's. uncomment to disable: |
1400 | ## $notinIS = 0; |
1401 | |
1402 | my(@words, $lead, $trail); |
54310121 |
1403 | |
2a28b791 |
1404 | # convert double-quotes to single-quotes |
1405 | if( $$quote && $text =~ s/"/''/s ){ |
1406 | $$quote = 0; |
1407 | } |
1408 | while ($text =~ s/"([^"]*)"/``$1''/sg) {}; |
1409 | $$quote = 1 if $text =~ s/"/``/s; |
54310121 |
1410 | |
1411 | # keep track of leading and trailing white-space |
2a28b791 |
1412 | $lead = ($text =~ s/\A(\s+)//s ? $1 : ""); |
1413 | $trail = ($text =~ s/(\s+)\Z//s ? $1 : ""); |
54310121 |
1414 | |
2a28b791 |
1415 | # split at space/non-space boundaries |
1416 | @words = split( /(?<=\s)(?=\S)|(?<=\S)(?=\s)/, $text ); |
54310121 |
1417 | |
1418 | # process each word individually |
1419 | foreach my $word (@words) { |
2a28b791 |
1420 | # skip space runs |
1421 | next if $word =~ /^\s*$/; |
54310121 |
1422 | # see if we can infer a link |
02369fa5 |
1423 | if( $notinIS && $word =~ /^(\w+)\((.*)\)$/ ) { |
54310121 |
1424 | # has parenthesis so should have been a C<> ref |
2a28b791 |
1425 | ## try for a pagename (perlXXX(1))? |
02369fa5 |
1426 | my( $func, $args ) = ( $1, $2 ); |
1427 | if( $args =~ /^\d+$/ ){ |
2a28b791 |
1428 | my $url = page_sect( $word, '' ); |
1429 | if( defined $url ){ |
59ecbafa |
1430 | $word = "<a href=\"$url\">the $word manpage</a>"; |
2a28b791 |
1431 | next; |
1432 | } |
1433 | } |
02369fa5 |
1434 | ## try function name for a link, append tt'ed argument list |
1435 | $word = emit_C( $func, '', "($args)"); |
2a28b791 |
1436 | |
1437 | #### disabled. either all (including $\W, $\w+{.*} etc.) or nothing. |
1438 | ## } elsif( $notinIS && $word =~ /^[\$\@%&*]+\w+$/) { |
1439 | ## # perl variables, should be a C<> ref |
1440 | ## $word = emit_C( $word ); |
1441 | |
54310121 |
1442 | } elsif ($word =~ m,^\w+://\w,) { |
1443 | # looks like a URL |
5a039dd3 |
1444 | # Don't relativize it: leave it as the author intended |
59ecbafa |
1445 | $word = qq(<a href="$word">$word</a>); |
af47ee55 |
1446 | } elsif ($word =~ /[\w.-]+\@[\w-]+\.\w/) { |
54310121 |
1447 | # looks like an e-mail address |
7b8d334a |
1448 | my ($w1, $w2, $w3) = ("", $word, ""); |
1449 | ($w1, $w2, $w3) = ("(", $1, ")$2") if $word =~ /^\((.*?)\)(,?)/; |
1450 | ($w1, $w2, $w3) = ("<", $1, ">$2") if $word =~ /^<(.*?)>(,?)/; |
59ecbafa |
1451 | $word = qq($w1<a href="mailto:$w2">$w2</a>$w3); |
1452 | } else { |
7b8d334a |
1453 | $word = html_escape($word) if $word =~ /["&<>]/; |
54310121 |
1454 | } |
1455 | } |
1456 | |
2a28b791 |
1457 | # put everything back together |
1458 | return $lead . join( '', @words ) . $trail; |
1459 | } |
1460 | |
54310121 |
1461 | |
2a28b791 |
1462 | # |
1463 | # process_text - handles plaintext that appears in the input pod file. |
1464 | # there may be pod commands embedded within the text so those must be |
1465 | # converted to html commands. |
1466 | # |
7ba65c74 |
1467 | |
c68ea5d1 |
1468 | sub process_text1($$;$$); |
1469 | sub pattern ($) { $_[0] ? '[^\S\n]+'.('>' x ($_[0] + 1)) : '>' } |
1470 | sub closing ($) { local($_) = shift; (defined && s/\s+$//) ? length : 0 } |
7ba65c74 |
1471 | |
2a28b791 |
1472 | sub process_text { |
69348ecf |
1473 | return if $Ignore; |
2a28b791 |
1474 | my( $tref ) = @_; |
1475 | my $res = process_text1( 0, $tref ); |
1476 | $$tref = $res; |
1477 | } |
1478 | |
c68ea5d1 |
1479 | sub process_text1($$;$$){ |
1480 | my( $lev, $rstr, $func, $closing ) = @_; |
2a28b791 |
1481 | my $res = ''; |
1482 | |
60a48b2d |
1483 | unless (defined $func) { |
1484 | $func = ''; |
1485 | $lev++; |
1486 | } |
1487 | |
2a28b791 |
1488 | if( $func eq 'B' ){ |
1489 | # B<text> - boldface |
59ecbafa |
1490 | $res = '<strong>' . process_text1( $lev, $rstr ) . '</strong>'; |
2a28b791 |
1491 | |
1492 | } elsif( $func eq 'C' ){ |
59ecbafa |
1493 | # C<code> - can be a ref or <code></code> |
2a28b791 |
1494 | # need to extract text |
c68ea5d1 |
1495 | my $par = go_ahead( $rstr, 'C', $closing ); |
2a28b791 |
1496 | |
1497 | ## clean-up of the link target |
1498 | my $text = depod( $par ); |
1499 | |
1500 | ### my $x = $par =~ /[BI]</ ? 'yes' : 'no' ; |
59ecbafa |
1501 | ### print STDERR "-->call emit_C($par) lev=$lev, par with BI=$x\n"; |
2a28b791 |
1502 | |
1503 | $res = emit_C( $text, $lev > 1 || ($par =~ /[BI]</) ); |
1504 | |
1505 | } elsif( $func eq 'E' ){ |
1506 | # E<x> - convert to character |
be3174d2 |
1507 | $$rstr =~ s/^([^>]*)>//; |
1508 | my $escape = $1; |
1509 | $escape =~ s/^(\d+|X[\dA-F]+)$/#$1/i; |
1510 | $res = "&$escape;"; |
2a28b791 |
1511 | |
1512 | } elsif( $func eq 'F' ){ |
1513 | # F<filename> - italizice |
59ecbafa |
1514 | $res = '<em>' . process_text1( $lev, $rstr ) . '</em>'; |
2a28b791 |
1515 | |
1516 | } elsif( $func eq 'I' ){ |
1517 | # I<text> - italizice |
59ecbafa |
1518 | $res = '<em>' . process_text1( $lev, $rstr ) . '</em>'; |
2a28b791 |
1519 | |
1520 | } elsif( $func eq 'L' ){ |
1521 | # L<link> - link |
59ecbafa |
1522 | ## L<text|cross-ref> => produce text, use cross-ref for linking |
2a28b791 |
1523 | ## L<cross-ref> => make text from cross-ref |
1524 | ## need to extract text |
c68ea5d1 |
1525 | my $par = go_ahead( $rstr, 'L', $closing ); |
2a28b791 |
1526 | |
1527 | # some L<>'s that shouldn't be: |
1528 | # a) full-blown URL's are emitted as-is |
1529 | if( $par =~ m{^\w+://}s ){ |
1530 | return make_URL_href( $par ); |
1531 | } |
1532 | # b) C<...> is stripped and treated as C<> |
1533 | if( $par =~ /^C<(.*)>$/ ){ |
1534 | my $text = depod( $1 ); |
1535 | return emit_C( $text, $lev > 1 || ($par =~ /[BI]</) ); |
1536 | } |
1537 | |
1538 | # analyze the contents |
1539 | $par =~ s/\n/ /g; # undo word-wrapped tags |
1540 | my $opar = $par; |
1541 | my $linktext; |
1542 | if( $par =~ s{^([^|]+)\|}{} ){ |
1543 | $linktext = $1; |
1544 | } |
59ecbafa |
1545 | |
2a28b791 |
1546 | # make sure sections start with a / |
1547 | $par =~ s{^"}{/"}; |
1548 | |
1549 | my( $page, $section, $ident ); |
1550 | |
1551 | # check for link patterns |
1552 | if( $par =~ m{^([^/]+?)/(?!")(.*?)$} ){ # name/ident |
59ecbafa |
1553 | # we've got a name/ident (no quotes) |
2a28b791 |
1554 | ( $page, $ident ) = ( $1, $2 ); |
1555 | ### print STDERR "--> L<$par> to page $page, ident $ident\n"; |
1556 | |
1557 | } elsif( $par =~ m{^(.*?)/"?(.*?)"?$} ){ # [name]/"section" |
1558 | # even though this should be a "section", we go for ident first |
1559 | ( $page, $ident ) = ( $1, $2 ); |
1560 | ### print STDERR "--> L<$par> to page $page, section $section\n"; |
1561 | |
1562 | } elsif( $par =~ /\s/ ){ # this must be a section with missing quotes |
1563 | ( $page, $section ) = ( '', $par ); |
1564 | ### print STDERR "--> L<$par> to void page, section $section\n"; |
1565 | |
1566 | } else { |
1567 | ( $page, $section ) = ( $par, '' ); |
1568 | ### print STDERR "--> L<$par> to page $par, void section\n"; |
1569 | } |
1570 | |
1571 | # now, either $section or $ident is defined. the convoluted logic |
1572 | # below tries to resolve L<> according to what the user specified. |
1573 | # failing this, we try to find the next best thing... |
1574 | my( $url, $ltext, $fid ); |
1575 | |
1576 | RESOLVE: { |
1577 | if( defined $ident ){ |
1578 | ## try to resolve $ident as an item |
1579 | ( $url, $fid ) = coderef( $page, $ident ); |
1580 | if( $url ){ |
1581 | if( ! defined( $linktext ) ){ |
1582 | $linktext = $ident; |
1583 | $linktext .= " in " if $ident && $page; |
1584 | $linktext .= "the $page manpage" if $page; |
1585 | } |
1586 | ### print STDERR "got coderef url=$url\n"; |
1587 | last RESOLVE; |
1588 | } |
1589 | ## no luck: go for a section (auto-quoting!) |
1590 | $section = $ident; |
1591 | } |
1592 | ## now go for a section |
1593 | my $htmlsection = htmlify( $section ); |
1594 | $url = page_sect( $page, $htmlsection ); |
1595 | if( $url ){ |
1596 | if( ! defined( $linktext ) ){ |
1597 | $linktext = $section; |
1598 | $linktext .= " in " if $section && $page; |
1599 | $linktext .= "the $page manpage" if $page; |
1600 | } |
1601 | ### print STDERR "got page/section url=$url\n"; |
1602 | last RESOLVE; |
1603 | } |
59ecbafa |
1604 | ## no luck: go for an ident |
2a28b791 |
1605 | if( $section ){ |
1606 | $ident = $section; |
1607 | } else { |
1608 | $ident = $page; |
1609 | $page = undef(); |
1610 | } |
1611 | ( $url, $fid ) = coderef( $page, $ident ); |
1612 | if( $url ){ |
1613 | if( ! defined( $linktext ) ){ |
1614 | $linktext = $ident; |
1615 | $linktext .= " in " if $ident && $page; |
1616 | $linktext .= "the $page manpage" if $page; |
1617 | } |
1618 | ### print STDERR "got section=>coderef url=$url\n"; |
1619 | last RESOLVE; |
1620 | } |
1621 | |
1622 | # warning; show some text. |
1623 | $linktext = $opar unless defined $linktext; |
ac094485 |
1624 | warn "$0: $Podfile: cannot resolve L<$opar> in paragraph $Paragraph.\n" unless $Quiet; |
2a28b791 |
1625 | } |
1626 | |
d1be9408 |
1627 | # now we have a URL or just plain code |
2a28b791 |
1628 | $$rstr = $linktext . '>' . $$rstr; |
1629 | if( defined( $url ) ){ |
59ecbafa |
1630 | $res = "<a href=\"$url\">" . process_text1( $lev, $rstr ) . '</a>'; |
2a28b791 |
1631 | } else { |
59ecbafa |
1632 | $res = '<em>' . process_text1( $lev, $rstr ) . '</em>'; |
2a28b791 |
1633 | } |
1634 | |
1635 | } elsif( $func eq 'S' ){ |
1636 | # S<text> - non-breaking spaces |
1637 | $res = process_text1( $lev, $rstr ); |
1638 | $res =~ s/ / /g; |
1639 | |
1640 | } elsif( $func eq 'X' ){ |
1641 | # X<> - ignore |
1642 | $$rstr =~ s/^[^>]*>//; |
1643 | |
1644 | } elsif( $func eq 'Z' ){ |
59ecbafa |
1645 | # Z<> - empty |
69348ecf |
1646 | warn "$0: $Podfile: invalid X<> in paragraph $Paragraph.\n" |
ac094485 |
1647 | unless $$rstr =~ s/^>// or $Quiet; |
2a28b791 |
1648 | |
1649 | } else { |
c68ea5d1 |
1650 | my $term = pattern $closing; |
1651 | while( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)//s ){ |
2a28b791 |
1652 | # all others: either recurse into new function or |
c68ea5d1 |
1653 | # terminate at closing angle bracket(s) |
2a28b791 |
1654 | my $pt = $1; |
c68ea5d1 |
1655 | $pt .= $2 if !$3 && $lev == 1; |
2a28b791 |
1656 | $res .= $lev == 1 ? pure_text( $pt ) : inIS_text( $pt ); |
c68ea5d1 |
1657 | return $res if !$3 && $lev > 1; |
1658 | if( $3 ){ |
1659 | $res .= process_text1( $lev, $rstr, $3, closing $4 ); |
1660 | } |
2a28b791 |
1661 | } |
1662 | if( $lev == 1 ){ |
1663 | $res .= pure_text( $$rstr ); |
54310121 |
1664 | } else { |
ac094485 |
1665 | warn "$0: $Podfile: undelimited $func<> in paragraph $Paragraph.\n" unless $Quiet; |
54310121 |
1666 | } |
1667 | } |
2a28b791 |
1668 | return $res; |
1669 | } |
54310121 |
1670 | |
2a28b791 |
1671 | # |
1672 | # go_ahead: extract text of an IS (can be nested) |
1673 | # |
c68ea5d1 |
1674 | sub go_ahead($$$){ |
1675 | my( $rstr, $func, $closing ) = @_; |
2a28b791 |
1676 | my $res = ''; |
c68ea5d1 |
1677 | my @closing = ($closing); |
1678 | while( $$rstr =~ |
1679 | s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|@{[pattern $closing[0]]})//s ){ |
2a28b791 |
1680 | $res .= $1; |
c68ea5d1 |
1681 | unless( $3 ){ |
1682 | shift @closing; |
1683 | return $res unless @closing; |
2a28b791 |
1684 | } else { |
c68ea5d1 |
1685 | unshift @closing, closing $4; |
2a28b791 |
1686 | } |
1687 | $res .= $2; |
1688 | } |
ac094485 |
1689 | warn "$0: $Podfile: undelimited $func<> in paragraph $Paragraph.\n" unless $Quiet; |
2a28b791 |
1690 | return $res; |
54310121 |
1691 | } |
1692 | |
1693 | # |
2a28b791 |
1694 | # emit_C - output result of C<text> |
1695 | # $text is the depod-ed text |
54310121 |
1696 | # |
02369fa5 |
1697 | sub emit_C($;$$){ |
1698 | my( $text, $nocode, $args ) = @_; |
60a48b2d |
1699 | $args = '' unless defined $args; |
2a28b791 |
1700 | my $res; |
1701 | my( $url, $fid ) = coderef( undef(), $text ); |
1702 | |
1703 | # need HTML-safe text |
02369fa5 |
1704 | my $linktext = html_escape( "$text$args" ); |
2a28b791 |
1705 | |
1706 | if( defined( $url ) && |
1707 | (!defined( $EmittedItem ) || $EmittedItem ne $fid ) ){ |
59ecbafa |
1708 | $res = "<a href=\"$url\"><code>$linktext</code></a>"; |
2a28b791 |
1709 | } elsif( 0 && $nocode ){ |
1710 | $res = $linktext; |
1711 | } else { |
59ecbafa |
1712 | $res = "<code>$linktext</code>"; |
2a28b791 |
1713 | } |
1714 | return $res; |
54310121 |
1715 | } |
1716 | |
1717 | # |
2a28b791 |
1718 | # html_escape: make text safe for HTML |
1719 | # |
1720 | sub html_escape { |
1721 | my $rest = $_[0]; |
1722 | $rest =~ s/&/&/g; |
1723 | $rest =~ s/</</g; |
1724 | $rest =~ s/>/>/g; |
1725 | $rest =~ s/"/"/g; |
5b25816d |
1726 | # ' is only in XHTML, not HTML4. Be conservative |
1727 | #$rest =~ s/'/'/g; |
2a28b791 |
1728 | return $rest; |
59ecbafa |
1729 | } |
2a28b791 |
1730 | |
1731 | |
1732 | # |
39e571d4 |
1733 | # dosify - convert filenames to 8.3 |
1734 | # |
1735 | sub dosify { |
1736 | my($str) = @_; |
fe4c6be1 |
1737 | return lc($str) if $^O eq 'VMS'; # VMS just needs casing |
39e571d4 |
1738 | if ($Is83) { |
1739 | $str = lc $str; |
1740 | $str =~ s/(\.\w+)/substr ($1,0,4)/ge; |
1741 | $str =~ s/(\w+)/substr ($1,0,8)/ge; |
1742 | } |
1743 | return $str; |
1744 | } |
1745 | |
1746 | # |
d1be9408 |
1747 | # page_sect - make a URL from the text of a L<> |
54310121 |
1748 | # |
2a28b791 |
1749 | sub page_sect($$) { |
1750 | my( $page, $section ) = @_; |
1751 | my( $linktext, $page83, $link); # work strings |
1752 | |
1753 | # check if we know that this is a section in this page |
69348ecf |
1754 | if (!defined $Pages{$page} && defined $Sections{$page}) { |
2a28b791 |
1755 | $section = $page; |
1756 | $page = ""; |
1757 | ### print STDERR "reset page='', section=$section\n"; |
54310121 |
1758 | } |
1759 | |
39e571d4 |
1760 | $page83=dosify($page); |
69348ecf |
1761 | $page=$page83 if (defined $Pages{$page83}); |
54310121 |
1762 | if ($page eq "") { |
0d396dd4 |
1763 | $link = "#" . anchorify( $section ); |
350ccacd |
1764 | } elsif ( $page =~ /::/ ) { |
350ccacd |
1765 | $page =~ s,::,/,g; |
29f227c9 |
1766 | # Search page cache for an entry keyed under the html page name, |
1767 | # then look to see what directory that page might be in. NOTE: |
1768 | # this will only find one page. A better solution might be to produce |
1769 | # an intermediate page that is an index to all such pages. |
1770 | my $page_name = $page ; |
fe6f1558 |
1771 | $page_name =~ s,^.*/,,s ; |
69348ecf |
1772 | if ( defined( $Pages{ $page_name } ) && |
1773 | $Pages{ $page_name } =~ /([^:]*$page)\.(?:pod|pm):/ |
29f227c9 |
1774 | ) { |
1775 | $page = $1 ; |
1776 | } |
1777 | else { |
1778 | # NOTE: This branch assumes that all A::B pages are located in |
69348ecf |
1779 | # $Htmlroot/A/B.html . This is often incorrect, since they are |
1780 | # often in $Htmlroot/lib/A/B.html or such like. Perhaps we could |
1781 | # analyze the contents of %Pages and figure out where any |
29f227c9 |
1782 | # cousins of A::B are, then assume that. So, if A::B isn't found, |
1783 | # but A::C is found in lib/A/C.pm, then A::B is assumed to be in |
1784 | # lib/A/B.pm. This is also limited, but it's an improvement. |
1785 | # Maybe a hints file so that the links point to the correct places |
2a28b791 |
1786 | # nonetheless? |
1787 | |
29f227c9 |
1788 | } |
69348ecf |
1789 | $link = "$Htmlroot/$page.html"; |
0d396dd4 |
1790 | $link .= "#" . anchorify( $section ) if ($section); |
69348ecf |
1791 | } elsif (!defined $Pages{$page}) { |
54310121 |
1792 | $link = ""; |
54310121 |
1793 | } else { |
0d396dd4 |
1794 | $section = anchorify( $section ) if $section ne ""; |
2a28b791 |
1795 | ### print STDERR "...section=$section\n"; |
54310121 |
1796 | |
1797 | # if there is a directory by the name of the page, then assume that an |
1798 | # appropriate section will exist in the subdirectory |
69348ecf |
1799 | # if ($section ne "" && $Pages{$page} =~ /([^:]*[^(\.pod|\.pm)]):/) { |
1800 | if ($section ne "" && $Pages{$page} =~ /([^:]*(?<!\.pod)(?<!\.pm)):/) { |
1801 | $link = "$Htmlroot/$1/$section.html"; |
2a28b791 |
1802 | ### print STDERR "...link=$link\n"; |
54310121 |
1803 | |
1804 | # since there is no directory by the name of the page, the section will |
1805 | # have to exist within a .html of the same name. thus, make sure there |
1806 | # is a .pod or .pm that might become that .html |
1807 | } else { |
2a28b791 |
1808 | $section = "#$section" if $section; |
1809 | ### print STDERR "...section=$section\n"; |
1810 | |
54310121 |
1811 | # check if there is a .pod with the page name |
69348ecf |
1812 | if ($Pages{$page} =~ /([^:]*)\.pod:/) { |
1813 | $link = "$Htmlroot/$1.html$section"; |
1814 | } elsif ($Pages{$page} =~ /([^:]*)\.pm:/) { |
1815 | $link = "$Htmlroot/$1.html$section"; |
54310121 |
1816 | } else { |
54310121 |
1817 | $link = ""; |
54310121 |
1818 | } |
1819 | } |
1820 | } |
1821 | |
54310121 |
1822 | if ($link) { |
69348ecf |
1823 | # Here, we take advantage of the knowledge that $Htmlfileurl ne '' |
1824 | # implies $Htmlroot eq ''. This means that the link in question |
1825 | # needs a prefix of $Htmldir if it begins with '/'. The test for |
29f227c9 |
1826 | # the initial '/' is done to avoid '#'-only links, and to allow |
1827 | # for other kinds of links, like file:, ftp:, etc. |
1828 | my $url ; |
69348ecf |
1829 | if ( $Htmlfileurl ne '' ) { |
1830 | $link = "$Htmldir$link" if $link =~ m{^/}s; |
1831 | $url = relativize_url( $link, $Htmlfileurl ); |
1832 | # print( " b: [$link,$Htmlfileurl,$url]\n" ); |
29f227c9 |
1833 | } |
1834 | else { |
1835 | $url = $link ; |
1836 | } |
2a28b791 |
1837 | return $url; |
29f227c9 |
1838 | |
54310121 |
1839 | } else { |
2a28b791 |
1840 | return undef(); |
54310121 |
1841 | } |
54310121 |
1842 | } |
1843 | |
1844 | # |
29f227c9 |
1845 | # relativize_url - convert an absolute URL to one relative to a base URL. |
1846 | # Assumes both end in a filename. |
1847 | # |
1848 | sub relativize_url { |
1849 | my ($dest,$source) = @_ ; |
1850 | |
59ecbafa |
1851 | my ($dest_volume,$dest_directory,$dest_file) = |
29f227c9 |
1852 | File::Spec::Unix->splitpath( $dest ) ; |
1853 | $dest = File::Spec::Unix->catpath( $dest_volume, $dest_directory, '' ) ; |
1854 | |
59ecbafa |
1855 | my ($source_volume,$source_directory,$source_file) = |
29f227c9 |
1856 | File::Spec::Unix->splitpath( $source ) ; |
1857 | $source = File::Spec::Unix->catpath( $source_volume, $source_directory, '' ) ; |
1858 | |
1859 | my $rel_path = '' ; |
1860 | if ( $dest ne '' ) { |
1861 | $rel_path = File::Spec::Unix->abs2rel( $dest, $source ) ; |
1862 | } |
1863 | |
59ecbafa |
1864 | if ( $rel_path ne '' && |
29f227c9 |
1865 | substr( $rel_path, -1 ) ne '/' && |
59ecbafa |
1866 | substr( $dest_file, 0, 1 ) ne '#' |
29f227c9 |
1867 | ) { |
1868 | $rel_path .= "/$dest_file" ; |
1869 | } |
1870 | else { |
1871 | $rel_path .= "$dest_file" ; |
1872 | } |
1873 | |
1874 | return $rel_path ; |
1875 | } |
1876 | |
54310121 |
1877 | |
1878 | # |
2a28b791 |
1879 | # coderef - make URL from the text of a C<> |
54310121 |
1880 | # |
2a28b791 |
1881 | sub coderef($$){ |
1882 | my( $page, $item ) = @_; |
1883 | my( $url ); |
1884 | |
1885 | my $fid = fragment_id( $item ); |
2a28b791 |
1886 | if( defined( $page ) ){ |
1887 | # we have been given a $page... |
1888 | $page =~ s{::}{/}g; |
1889 | |
1890 | # Do we take it? Item could be a section! |
69348ecf |
1891 | my $base = $Items{$fid} || ""; |
2a28b791 |
1892 | $base =~ s{[^/]*/}{}; |
1893 | if( $base ne "$page.html" ){ |
69348ecf |
1894 | ### print STDERR "coderef( $page, $item ): items{$fid} = $Items{$fid} = $base => discard page!\n"; |
2a28b791 |
1895 | $page = undef(); |
1896 | } |
54310121 |
1897 | |
2a28b791 |
1898 | } else { |
1899 | # no page - local items precede cached items |
67398a75 |
1900 | if( defined( $fid ) ){ |
69348ecf |
1901 | if( exists $Local_Items{$fid} ){ |
1902 | $page = $Local_Items{$fid}; |
67398a75 |
1903 | } else { |
69348ecf |
1904 | $page = $Items{$fid}; |
67398a75 |
1905 | } |
2a28b791 |
1906 | } |
1907 | } |
54310121 |
1908 | |
1909 | # if there was a pod file that we found earlier with an appropriate |
1910 | # =item directive, then create a link to that page. |
2a28b791 |
1911 | if( defined $page ){ |
1912 | if( $page ){ |
69348ecf |
1913 | if( exists $Pages{$page} and $Pages{$page} =~ /([^:.]*)\.[^:]*:/){ |
2a28b791 |
1914 | $page = $1 . '.html'; |
29f227c9 |
1915 | } |
69348ecf |
1916 | my $link = "$Htmlroot/$page#item_" . anchorify($fid); |
54310121 |
1917 | |
69348ecf |
1918 | # Here, we take advantage of the knowledge that $Htmlfileurl |
1919 | # ne '' implies $Htmlroot eq ''. |
1920 | if ( $Htmlfileurl ne '' ) { |
1921 | $link = "$Htmldir$link" ; |
1922 | $url = relativize_url( $link, $Htmlfileurl ) ; |
2a28b791 |
1923 | } else { |
1924 | $url = $link ; |
1925 | } |
1926 | } else { |
2beb85b7 |
1927 | $url = "#item_" . anchorify($fid); |
2a28b791 |
1928 | } |
54310121 |
1929 | |
2a28b791 |
1930 | confess "url has space: $url" if $url =~ /"[^"]*\s[^"]*"/; |
59ecbafa |
1931 | } |
2a28b791 |
1932 | return( $url, $fid ); |
54310121 |
1933 | } |
1934 | |
54310121 |
1935 | |
1936 | |
1937 | # |
29f227c9 |
1938 | # Adapted from Nick Ing-Simmons' PodToHtml package. |
1939 | sub relative_url { |
1940 | my $source_file = shift ; |
1941 | my $destination_file = shift; |
1942 | |
1943 | my $source = URI::file->new_abs($source_file); |
1944 | my $uo = URI::file->new($destination_file,$source)->abs; |
1945 | return $uo->rel->as_string; |
1946 | } |
1947 | |
1948 | |
1949 | # |
54310121 |
1950 | # finish_list - finish off any pending HTML lists. this should be called |
1951 | # after the entire pod file has been read and converted. |
1952 | # |
1953 | sub finish_list { |
69348ecf |
1954 | while ($Listlevel > 0) { |
59ecbafa |
1955 | print HTML "</dl>\n"; |
69348ecf |
1956 | $Listlevel--; |
54310121 |
1957 | } |
1958 | } |
1959 | |
1960 | # |
1961 | # htmlify - converts a pod section specification to a suitable section |
2a28b791 |
1962 | # specification for HTML. Note that we keep spaces and special characters |
1963 | # except ", ? (Netscape problem) and the hyphen (writer's problem...). |
54310121 |
1964 | # |
1965 | sub htmlify { |
2a28b791 |
1966 | my( $heading) = @_; |
1967 | $heading =~ s/(\s+)/ /g; |
1968 | $heading =~ s/\s+\Z//; |
1969 | $heading =~ s/\A\s+//; |
1970 | # The hyphen is a disgrace to the English language. |
1971 | $heading =~ s/[-"?]//g; |
1972 | $heading = lc( $heading ); |
1973 | return $heading; |
1974 | } |
54310121 |
1975 | |
2a28b791 |
1976 | # |
776d31fe |
1977 | # similar to htmlify, but turns non-alphanumerics into underscores |
0d396dd4 |
1978 | # |
1979 | sub anchorify { |
1980 | my ($anchor) = @_; |
1981 | $anchor = htmlify($anchor); |
776d31fe |
1982 | $anchor =~ s/\W/_/g; |
0d396dd4 |
1983 | return $anchor; |
1984 | } |
1985 | |
1986 | # |
2a28b791 |
1987 | # depod - convert text by eliminating all interior sequences |
1988 | # Note: can be called with copy or modify semantics |
1989 | # |
1990 | my %E2c; |
67398a75 |
1991 | $E2c{lt} = '<'; |
1992 | $E2c{gt} = '>'; |
1993 | $E2c{sol} = '/'; |
2a28b791 |
1994 | $E2c{verbar} = '|'; |
67398a75 |
1995 | $E2c{amp} = '&'; # in Tk's pods |
2a28b791 |
1996 | |
c68ea5d1 |
1997 | sub depod1($;$$); |
7ba65c74 |
1998 | |
2a28b791 |
1999 | sub depod($){ |
2000 | my $string; |
2001 | if( ref( $_[0] ) ){ |
2002 | $string = ${$_[0]}; |
2003 | ${$_[0]} = depod1( \$string ); |
2004 | } else { |
2005 | $string = $_[0]; |
2006 | depod1( \$string ); |
59ecbafa |
2007 | } |
2a28b791 |
2008 | } |
54310121 |
2009 | |
c68ea5d1 |
2010 | sub depod1($;$$){ |
2011 | my( $rstr, $func, $closing ) = @_; |
2a28b791 |
2012 | my $res = ''; |
228a48a5 |
2013 | return $res unless defined $$rstr; |
2a28b791 |
2014 | if( ! defined( $func ) ){ |
2015 | # skip to next begin of an interior sequence |
c68ea5d1 |
2016 | while( $$rstr =~ s/\A(.*?)([BCEFILSXZ])<(<+[^\S\n]+)?// ){ |
2a28b791 |
2017 | # recurse into its text |
c68ea5d1 |
2018 | $res .= $1 . depod1( $rstr, $2, closing $3); |
2a28b791 |
2019 | } |
2020 | $res .= $$rstr; |
2021 | } elsif( $func eq 'E' ){ |
2022 | # E<x> - convert to character |
be3174d2 |
2023 | $$rstr =~ s/^([^>]*)>//; |
228a48a5 |
2024 | $res .= $E2c{$1} || ""; |
2a28b791 |
2025 | } elsif( $func eq 'X' ){ |
2026 | # X<> - ignore |
2027 | $$rstr =~ s/^[^>]*>//; |
2028 | } elsif( $func eq 'Z' ){ |
59ecbafa |
2029 | # Z<> - empty |
2a28b791 |
2030 | $$rstr =~ s/^>//; |
2031 | } else { |
2032 | # all others: either recurse into new function or |
2033 | # terminate at closing angle bracket |
c68ea5d1 |
2034 | my $term = pattern $closing; |
2035 | while( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)// ){ |
2a28b791 |
2036 | $res .= $1; |
c68ea5d1 |
2037 | last unless $3; |
2038 | $res .= depod1( $rstr, $3, closing $4 ); |
2a28b791 |
2039 | } |
2040 | ## If we're here and $2 ne '>': undelimited interior sequence. |
2041 | ## Ignored, as this is called without proper indication of where we are. |
2042 | ## Rely on process_text to produce diagnostics. |
2043 | } |
2044 | return $res; |
2045 | } |
54310121 |
2046 | |
2a28b791 |
2047 | # |
2048 | # fragment_id - construct a fragment identifier from: |
2049 | # a) =item text |
2050 | # b) contents of C<...> |
2051 | # |
69348ecf |
2052 | my @HC; |
2a28b791 |
2053 | sub fragment_id { |
2054 | my $text = shift(); |
2055 | $text =~ s/\s+\Z//s; |
2056 | if( $text ){ |
2057 | # a method or function? |
2058 | return $1 if $text =~ /(\w+)\s*\(/; |
2059 | return $1 if $text =~ /->\s*(\w+)\s*\(?/; |
2060 | |
2061 | # a variable name? |
2062 | return $1 if $text =~ /^([$@%*]\S+)/; |
2063 | |
2064 | # some pattern matching operator? |
2065 | return $1 if $text =~ m|^(\w+/).*/\w*$|; |
2066 | |
2067 | # fancy stuff... like "do { }" |
2068 | return $1 if $text =~ m|^(\w+)\s*{.*}$|; |
2069 | |
2070 | # honour the perlfunc manpage: func [PAR[,[ ]PAR]...] |
2071 | # and some funnies with ... Module ... |
ac094485 |
2072 | return $1 if $text =~ m{^([a-z\d_]+)(\s+[A-Z\d,/& ]+)?$}; |
2a28b791 |
2073 | return $1 if $text =~ m{^([a-z\d]+)\s+Module(\s+[A-Z\d,/& ]+)?$}; |
2074 | |
2075 | # text? normalize! |
2076 | $text =~ s/\s+/_/sg; |
2077 | $text =~ s{(\W)}{ |
69348ecf |
2078 | defined( $HC[ord($1)] ) ? $HC[ord($1)] |
2079 | : ( $HC[ord($1)] = sprintf( "%%%02X", ord($1) ) ) }gxe; |
2a28b791 |
2080 | $text = substr( $text, 0, 50 ); |
2081 | } else { |
2082 | return undef(); |
2083 | } |
54310121 |
2084 | } |
2085 | |
2a28b791 |
2086 | # |
2087 | # make_URL_href - generate HTML href from URL |
2088 | # Special treatment for CGI queries. |
2089 | # |
2090 | sub make_URL_href($){ |
2091 | my( $url ) = @_; |
59ecbafa |
2092 | if( $url !~ |
2093 | s{^(http:[-\w/#~:.+=&%@!]+)(\?.*)$}{<a href="$1$2">$1</a>}i ){ |
2094 | $url = "<a href=\"$url\">$url</a>"; |
2a28b791 |
2095 | } |
2096 | return $url; |
54310121 |
2097 | } |
2098 | |
2099 | 1; |