1 |
#!/usr/local/bin/perl |
2 |
# |
3 |
# SLies Copyright 2001 Dobrica Pavlinusic <dpavlin@rot13.org> |
4 |
# |
5 |
# this tool is based on SlideMaker and XLSies tool |
6 |
# split a all.htm into slide*.htm |
7 |
# |
8 |
# For more information please see presentation about this tool on |
9 |
# http://www.rot13.org/~dpavlin/presentations/XLSies_to_PLies/ |
10 |
# |
11 |
# Copyright 1999 World Wide Web Consortium, |
12 |
# (Massachusetts Institute of Technology, Institut |
13 |
# National de Recherche en Informatique et en |
14 |
# Automatique, Keio University). All Rights Reserved. |
15 |
# This program is distributed under the W3C's |
16 |
# Intellectual Property License. This program is |
17 |
# distributed in the hope that it will be useful, but |
18 |
# WITHOUT ANY WARRANTY; without even the implied |
19 |
# warranty of MERCHANTABILITY or FITNESS FOR A |
20 |
# PARTICULAR PURPOSE. See W3C License |
21 |
# http://www.w3.org/Consortium/Legal/ for more details. |
22 |
# |
23 |
# |
24 |
############################################################################## |
25 |
# |
26 |
# slidemaker credits: |
27 |
# |
28 |
# Stephan Montigaud - stephan@w3.org |
29 |
# created 970601 |
30 |
# modified by Pierre Fillault |
31 |
# check the documentation at http://www.w3.org/Talks/YYMMsub/ |
32 |
# |
33 |
# modified 19990505 Bert Bos: ALT text of prev/next arrows is now |
34 |
# "prev"/"next" rather than the title of the prev/next slide; looks better |
35 |
# in lynx. |
36 |
# |
37 |
# version: 4.14 - 19990719 |
38 |
# $Id: w3cburst.pl,v 1.41 1999/11/02 17:25:50 charles Exp $ |
39 |
# |
40 |
# |
41 |
# XLSies credits: |
42 |
# |
43 |
# Sami Lempinen - lempinen@iki.fi |
44 |
# http://www.snowman.sgic.fi/ssl/xslies/ |
45 |
|
46 |
make_dotgif("pero.gif"); |
47 |
|
48 |
############################################################################## |
49 |
## default values of variables |
50 |
## |
51 |
|
52 |
## default DOCTYPE added on the slides |
53 |
$doctype = '<html xmlns="http://www.w3.org/TR/REC-html40">'; |
54 |
|
55 |
## name of raw HTML file containing the slides |
56 |
$all = 'all.htm'; |
57 |
|
58 |
## table of content built from all.htm - also first page of the presentation |
59 |
## this is only the basename as we need to generate one toc for each style sheets |
60 |
## the main toc will not bear any more so the server can understand a request for '/' |
61 |
## the next ones will bear a number corresponding to the slide index |
62 |
#$overview = 'Overview'; |
63 |
$overview = 'index'; |
64 |
|
65 |
## name of the file containing the parameters of the presentation |
66 |
$infos = 'infos.txt'; |
67 |
|
68 |
## link to the logo printed on all the slides |
69 |
$logoLink = ''; |
70 |
|
71 |
## default location of the logo - works when slidemaker is used as a package |
72 |
$logoFile = ''; |
73 |
|
74 |
### localization |
75 |
$loc_toc = "Table of contents"; |
76 |
$loc_by = "by"; |
77 |
$loc_amp = "&"; # author separator |
78 |
$loc_slide = "Slide"; |
79 |
$loc_of = "of"; # $loc_slide nr $loc_of total |
80 |
|
81 |
## alternate representation of the logo |
82 |
$logoAlt = ''; |
83 |
|
84 |
## default values set to none |
85 |
$logoLink2 = ''; # link to a potential second reference |
86 |
$logoFile2 = ''; # location of a second logo |
87 |
$logoAlt2 = ''; # alternate representation of the second logo |
88 |
|
89 |
## default accesskeys for navigation icons used in the slides |
90 |
$prevKey = 'P'; # accesskey for previous slide |
91 |
$nextKey = 'N'; # accesskey for next slide |
92 |
$tocKey = 'C'; # accesskey for table of contents |
93 |
$styleKey = 'S'; # accesskey for changing style sheets |
94 |
|
95 |
## default author name |
96 |
$author = 'Staff'; |
97 |
|
98 |
## default presentation title |
99 |
$talkTitle = 'Talk'; |
100 |
|
101 |
## standard style sheets |
102 |
$cssStandard = '../PLies/css/default.css'; |
103 |
|
104 |
## default charset use in meta tag http-equiv (undef to skip) |
105 |
#$charset = 'ISO-8859-1'; |
106 |
|
107 |
## default <body> tag |
108 |
$body = '<body>'; |
109 |
|
110 |
## number of entries on each TOC page |
111 |
$toc_on_page = 10; |
112 |
|
113 |
## use progress bar |
114 |
$progress_bar = 1; |
115 |
|
116 |
## end of default values for the presentation |
117 |
############################################################################## |
118 |
|
119 |
## globals |
120 |
my $logo_html; |
121 |
my $date_html; |
122 |
my $last_toc_title; |
123 |
|
124 |
############################################################################## |
125 |
## reading user input from $infos |
126 |
## |
127 |
@PARAM = @ARGV; # we keep this for backward compatibility with an old version |
128 |
# of the slidemaker tool |
129 |
#when the parameters were in Makefile or make.bat |
130 |
|
131 |
# read parameters from infos.txt and put them in @PARAM |
132 |
if (open(INFOS, $infos)) { |
133 |
print STDOUT "--- Reading parameters file $infos ---\n"; |
134 |
local(@file,$counter); |
135 |
$counter = 0; |
136 |
@file = <INFOS>; |
137 |
@PARAM = (); |
138 |
do { |
139 |
if ($file[0] && $file[0] =~ /^[^#\n\r]/) { |
140 |
$file[0] =~ s/\n//; # remove UNIX \n |
141 |
$file[0] =~ s/\r//; # remove WINDOWS \r |
142 |
$file[0] =~ s/ *= */=/; |
143 |
$PARAM[$counter++] = $file[0]; |
144 |
print "$file[0]\n"; |
145 |
} |
146 |
} while (shift(@file)); |
147 |
} |
148 |
## @PARAM is now a table with the user preferences for his presentation |
149 |
|
150 |
## process arguments |
151 |
## each preset variable is now re-attributed using the user preferences |
152 |
foreach (@PARAM) { |
153 |
@_ = split(/ *= */,$_,2); |
154 |
$cmd="\$$_[0] = \'$_[1]\';"; |
155 |
if (length $_[1] != 0) { |
156 |
eval($cmd); |
157 |
} |
158 |
} |
159 |
|
160 |
## use charset |
161 |
|
162 |
if ($charset) { |
163 |
$http_equiv='<meta http-equiv="Content-type" content="text/html; charset='.$charset.'">'; |
164 |
} else { |
165 |
$http_equiv=''; |
166 |
} |
167 |
|
168 |
|
169 |
## build an html string for the author variable |
170 |
## containing the presentation author name linked to |
171 |
## a location of his choice |
172 |
if ($authorUrl) { |
173 |
$author = "<a href=\"$authorUrl\">$author</a>"; |
174 |
} |
175 |
|
176 |
## same string is built if there is a second author for the presentation |
177 |
if ($author2Url) { |
178 |
$author2 = "<br><a href=\"$author2Url\">$author2</a>"; |
179 |
} elsif ($author2) { |
180 |
$author2 = "<br>$author2"; |
181 |
} |
182 |
|
183 |
############################################################################## |
184 |
## read the raw html presentation |
185 |
## |
186 |
|
187 |
## copy file in memory |
188 |
my $sep = $/; |
189 |
$/ = undef; |
190 |
if (!open(ALL, $all)) { |
191 |
print "Error: Cannot open file: $all\n"; |
192 |
exit 0; |
193 |
} |
194 |
my $buf = <ALL>; |
195 |
close(ALL); |
196 |
$/ = $sep; |
197 |
|
198 |
## Remove comments from the raw presentation |
199 |
## they do not need to show up on the slides |
200 |
$buf =~ s/<!--.*?-->//sgo; |
201 |
|
202 |
## the slidemaker tool assumes that each slide is self contained between 2 sets of h1 tags |
203 |
## if not it will generate a rather weird output |
204 |
## split using <h1...> and </h1...> as separator (ignores attributes!) |
205 |
## h1 or H1 can be used |
206 |
@table = split(/<\/?[hH]1[^>]*>/, $buf); |
207 |
|
208 |
## compute the total number of slides |
209 |
$total = $#table / 2; |
210 |
if ($#table % 2 != 0) { |
211 |
$total = ($#table +1)/2; |
212 |
} |
213 |
|
214 |
## |
215 |
## raw presentation has been read successfully |
216 |
############################################################################## |
217 |
|
218 |
############################################################################## |
219 |
## processing the slides |
220 |
|
221 |
print STDOUT "\n--- Processing $total slides ---\n"; |
222 |
|
223 |
## generate the header table of content of the presentation |
224 |
## which is also the first page of the talk |
225 |
&openOverview($overview); |
226 |
|
227 |
## start the slide count so we can number them |
228 |
$slideCount = 1; |
229 |
|
230 |
|
231 |
## @table is the array containing each slide with its title |
232 |
## for each slide to be generated |
233 |
## we delete each slide and its title when generated |
234 |
## so that the current slide and its title are always at $table[0] (for the title) |
235 |
## and $table[1] (for the slide content) |
236 |
do { |
237 |
|
238 |
## get rid of the first element contained by the raw presentation array |
239 |
shift(@table); |
240 |
## then $table[0] is the title of the slide to be generated |
241 |
$table[0] =~ s/\n+/ /g; ## replace return character by a white space |
242 |
$table[0] =~ s/\r+/ /g; ## replace lf character by a white space |
243 |
$table[0] =~ s/ +/ /g; ## concatenate several white spaces to only one |
244 |
$table[0] =~ s/^ //; ## remove all the starting white spaces in the title |
245 |
$table[0] =~ s/ $//; ## remove all trailing white spaces in the title |
246 |
## $slideTitle preserves link(s) in the title |
247 |
$slideTitle = $table[0]; |
248 |
## need to check if the title contains any anchor |
249 |
## if so it needs to be removed |
250 |
## because the title is being used in the table of content to link to the corresponding slide |
251 |
$table[0] =~ s/(.*)<A[^>]*>(.*)<\/A>(.*)/$1$2$3/i; |
252 |
|
253 |
## grab next slide title $table[2] (if there's a next slide) |
254 |
## to be able to use in the 'next' navigation button |
255 |
## keep in mind that $table[1] contains the slide corresponding to the title $table[0] |
256 |
$next_slide_title = $table[2] if $table[2]; |
257 |
## remove any anchor from the next slide title |
258 |
$next_slide_title =~ s/(.*)<A[^>]*>(.*)<\/A>(.*)/$1$2$3/i; |
259 |
|
260 |
## the current slide content is stored $table[1] |
261 |
## there is an attempt to make sure it's clean HTML |
262 |
## Pierre Fillault's note: use same piece of as used in http://www.w3.org/Web/Tools/CvsCommitScripting |
263 |
## to make use of the validation service |
264 |
$slideContent = &clean_html($table[1]) ; |
265 |
|
266 |
## extract slide Sub Title <h2> |
267 |
undef $slideSubTitle; |
268 |
if ($slideContent =~ s/<[hH]2[^>]*>([^<]+)<\/[hH]2[^>]*>//) { |
269 |
$slideSubTitle=$1; |
270 |
} |
271 |
|
272 |
## add the title of the current slide to the table of content |
273 |
&addTitle($slideTitle,$slideSubTitle,$slideCount); |
274 |
|
275 |
## generate the current slide |
276 |
## parameters are: |
277 |
## title of the slide, its content, the slide number, the title of the previous slide and the title of the next slide |
278 |
&createSlide($slideTitle,$slideSubTitle,$slideContent ,$slideCount++,$previous_slide_title,$next_slide_title); |
279 |
|
280 |
## save the title of the previous slide to be displayed in the 'previous' navigation button |
281 |
$previous_slide_title="$table[0]"; |
282 |
} |
283 |
## process the next slide |
284 |
while (shift(@table)); |
285 |
|
286 |
## close the table of content |
287 |
&closeOverview; |
288 |
|
289 |
## generate more toc with the all the style sheets |
290 |
## as there's no way of loading a style sheet |
291 |
## except dynamically, but that would be slow |
292 |
## and would not work on all platforms (ie would fail on Joe's laptop) |
293 |
&generateTOC; |
294 |
|
295 |
|
296 |
print STDOUT "--- Finished ---\n"; |
297 |
exit 0; |
298 |
## |
299 |
## end of the slidemaker main program |
300 |
############################################################################## |
301 |
|
302 |
|
303 |
############################################################################## |
304 |
## generate the header of the table of content |
305 |
|
306 |
sub openOverview |
307 |
{ |
308 |
## open the file to write to |
309 |
open(FOO, ">$_[0].html") || die "can't open $_[0].html: $!"; |
310 |
|
311 |
## the style sheet used in the table of content is |
312 |
$stylelink = ""; |
313 |
## here is the standard style sheet |
314 |
$stylelink .= "<link href=\"$cssStandard\" rel=\"stylesheet\" type=\"text/css\" title=\"Talk\" media=\"screen\">"; |
315 |
|
316 |
if ($logoFile) { |
317 |
$logo_html="<a href=\"$logoLink\"><img src=\"$logoFile\" alt=\"$logoAlt\" border=\"0\"></a>"; |
318 |
} |
319 |
|
320 |
if ($logoFile2) { |
321 |
$logo_html.="<a href=\"$logoLink2\"><img src=\"$logoFile2\" alt=\"$logoAlt2\" border=\"0\"></a>"; |
322 |
} |
323 |
|
324 |
$title_html="<h1>$talkTitle</h1>"; |
325 |
if (length $talkSubTitle != 0) { |
326 |
$title_html.="<h2>$talkSubTitle</h2>"; |
327 |
} |
328 |
|
329 |
if (length $date != 0) { |
330 |
$date_html="($date)"; |
331 |
} |
332 |
|
333 |
print FOO <<END; |
334 |
$doctype |
335 |
<head> |
336 |
<title>$talkTitle - $loc_toc</title> |
337 |
$http_equiv |
338 |
$stylelink |
339 |
</head> |
340 |
$body |
341 |
<table height="100%" width="100%"> |
342 |
<tr> |
343 |
<td class="header-first" valign="top"> |
344 |
<table width="100%" border="0"> |
345 |
<tr> |
346 |
<td class="cell-logo">$logo_html</td> |
347 |
<td class="cell-heading">$title_html</td> |
348 |
</tr> |
349 |
</table> |
350 |
</td> |
351 |
</tr> |
352 |
<tr> |
353 |
<td height="80%" class="body" valign="top"> |
354 |
<div class="body"> |
355 |
<h3>$loc_toc</h3> |
356 |
<ul> |
357 |
END |
358 |
|
359 |
} |
360 |
## |
361 |
## the beginning of the table of content has been generated and saved |
362 |
############################################################################## |
363 |
|
364 |
############################################################################## |
365 |
## generate the footer of the table of content |
366 |
|
367 |
sub closeOverview |
368 |
{ |
369 |
my $slide_html=make_progress_bar(0,$total); |
370 |
print FOO <<END; |
371 |
</ul> |
372 |
</div> |
373 |
</td> |
374 |
</tr> |
375 |
<tr> |
376 |
<td class="footer"> |
377 |
<table border="0" width="100%"> |
378 |
<tr> |
379 |
<td width="33%" class="footer-info"> |
380 |
<p> |
381 |
<i>$talkTitle</i> |
382 |
<br>$author $date_html |
383 |
</p> |
384 |
</td><td width="33%" class="footer-nav"> |
385 |
<table border="0"> |
386 |
<tr> |
387 |
<td> |
388 |
[ <a href="slide1.html">On with the show</a> ] |
389 |
</td> |
390 |
</tr> |
391 |
</table> |
392 |
</td><td width="33%" class="footer-count"> |
393 |
$slide_html |
394 |
$author2</td> |
395 |
</tr> |
396 |
</table> |
397 |
</td> |
398 |
</tr> |
399 |
</table> |
400 |
</body> |
401 |
</html> |
402 |
END |
403 |
|
404 |
close(FOO); |
405 |
} |
406 |
## |
407 |
## the toc has been completed and saved |
408 |
############################################################################## |
409 |
|
410 |
############################################################################## |
411 |
## add an item in the toc |
412 |
|
413 |
sub addTitle |
414 |
{ |
415 |
my ($title,$subtitle,$nr) = @_; |
416 |
$title =~ s/\r//ig; # remove the windows CR+LF |
417 |
$title =~ s/<[^>]+>//g; |
418 |
|
419 |
if (! $title) { |
420 |
return 1; |
421 |
} |
422 |
|
423 |
# split TOC entries to multiple pages |
424 |
|
425 |
if ($nr % $toc_on_page == 0) { |
426 |
my $toc_nr=int($nr/$toc_on_page); |
427 |
|
428 |
print FOO <<END; |
429 |
<br><small><a accesskey=" " tabindex=" " href="index-toc$toc_nr.html">...</a></small></br> |
430 |
END |
431 |
&closeOverview; |
432 |
&openOverview("$overview-toc$toc_nr"); |
433 |
$last_toc_title=''; |
434 |
} |
435 |
|
436 |
$ul1=$ul2=''; |
437 |
if ($last_toc_title eq $title) { |
438 |
$title = $subtitle; |
439 |
$ul1='<ul>'; |
440 |
$ul2='</ul>'; |
441 |
} else { |
442 |
$last_toc_title=$title; |
443 |
} |
444 |
|
445 |
# add accesskey for first 9 slides (`1' - `9') or just for first |
446 |
# TOC page, and tabindex for all slides |
447 |
if ($nr < 10 && $nr < $toc_on_page) { |
448 |
print FOO <<END; |
449 |
$ul1<li><a accesskey="$nr" tabindex="$nr" href="slide$nr.html">$title</a></li>$ul2 |
450 |
END |
451 |
} else { |
452 |
print FOO <<END; |
453 |
$ul1<li><a tabindex="$nr" href="slide$nr.html">$title</a></li>$ul2 |
454 |
END |
455 |
} |
456 |
} |
457 |
## |
458 |
############################################################################## |
459 |
|
460 |
############################################################################## |
461 |
## generate the current slide |
462 |
|
463 |
sub createSlide |
464 |
{ |
465 |
|
466 |
# parameters are respectively the slide title, its content, |
467 |
# its number, the next slide title and the previous slide title |
468 |
|
469 |
my ($title,$subtitle,$content,$nr,$next_title,$prev_title) = @_; |
470 |
|
471 |
if (! $title) { |
472 |
return 1; |
473 |
} |
474 |
|
475 |
# work the slide title, the previous and next titles |
476 |
chomp $title; |
477 |
$title =~ s/\r//ig; # remove the windows CR+LF |
478 |
$next_title =~ s/\r//ig; |
479 |
$prev_title =~ s/\r//ig; |
480 |
|
481 |
# Remove any tags from the prev & next titles |
482 |
$next_title =~ s/<[^>]+>//g; |
483 |
$prev_title =~ s/<[^>]+>//g; |
484 |
$title =~ s/<[^>]+>//g; |
485 |
|
486 |
# Replace double quotes |
487 |
# $title =~ s/"/"/g; |
488 |
$next_title =~ s/"/"/g; |
489 |
$prev_title =~ s/"/"/g; |
490 |
|
491 |
# work the slide content |
492 |
$content =~ s/<\/body>//i; # remove if any |
493 |
$content =~ s/<\/html>//i; # remove if any |
494 |
|
495 |
$status = sprintf "Slide %2d: %s %s\n", $nr, $title, $subtitle; |
496 |
$status =~ s/<[^>]+>//g; |
497 |
print STDOUT $status; |
498 |
|
499 |
&verify_html($content); # check the html |
500 |
|
501 |
## write to the slide |
502 |
open(SLIDE, ">slide$nr.html") || die "can't save slide$nr.html: $!"; |
503 |
|
504 |
my $toclink = "[ <a href=\"$overview\.html\" title=\"Contents\">Contents</a> ]"; |
505 |
|
506 |
## initialization of the navigation links |
507 |
my $nextlink = ""; |
508 |
my $prevlink = ""; |
509 |
|
510 |
if ($nr>1) { |
511 |
$prevlink = "<a href=\"slide".($nr-1).".html\" title=\"Previous\"><<</a>"; |
512 |
# } else { |
513 |
# ## add a link back to the toc for the first slide --CMN 19991102 |
514 |
# $prevlink = "<a href=\"$overview\.html\" title=\"Previous\"><<</a>"; |
515 |
} |
516 |
|
517 |
if ($nr != $total) { |
518 |
$nextlink = "<a href=\"slide".($nr+1).".html\" title=\"Next\">>></a>"; |
519 |
} |
520 |
|
521 |
$stylelink = ""; |
522 |
# here is the standard style sheet |
523 |
$stylelink .= "<link href=\"$cssStandard\" rel=\"stylesheet\" type=\"text/css\" title=\"Talk\">"; |
524 |
|
525 |
$title_html="<h1>$title</h1>"; |
526 |
if ($subtitle) { |
527 |
$title_html.="<h2>$subtitle</h2>"; |
528 |
} |
529 |
|
530 |
my $slide_html=make_progress_bar($nr,$total); |
531 |
|
532 |
print SLIDE <<END; |
533 |
$doctype |
534 |
<head> |
535 |
<title>$talkTitle - $title</title> |
536 |
$http_equiv |
537 |
$stylelink |
538 |
</head> |
539 |
$body |
540 |
<table height="100%" width="100%"> |
541 |
<tr> |
542 |
<td class="header-first" valign="top"> |
543 |
<table width="100%" border="0"> |
544 |
<tr> |
545 |
<td class="cell-logo">$logo_html</td> |
546 |
<td class="cell-heading">$title_html</td> |
547 |
</tr> |
548 |
</table> |
549 |
</td> |
550 |
</tr> |
551 |
<tr> |
552 |
<td height="80%" class="body" valign="top"> |
553 |
<div class="body"> |
554 |
$content |
555 |
</div> |
556 |
</td> |
557 |
</tr> |
558 |
<tr> |
559 |
<td class="footer"> |
560 |
<table border="0" width="100%"> |
561 |
<tr> |
562 |
<td width="33%" class="footer-info"> |
563 |
<p> |
564 |
<i>$talkTitle</i> |
565 |
<br>$author $date_html |
566 |
</p> |
567 |
</td><td width="33%" class="footer-nav"> |
568 |
<table border="0"> |
569 |
<tr> |
570 |
<td> |
571 |
$prevlink |
572 |
$toclink |
573 |
$nextlink |
574 |
</td> |
575 |
</tr> |
576 |
</table> |
577 |
</td><td width="33%" class="footer-count"> |
578 |
$slide_html |
579 |
$author2</td> |
580 |
</tr> |
581 |
</table> |
582 |
</td> |
583 |
</tr> |
584 |
</table> |
585 |
</body> |
586 |
</html> |
587 |
END |
588 |
|
589 |
close(SLIDE); |
590 |
return 0; |
591 |
} |
592 |
|
593 |
############################################################################## |
594 |
## generate all the toc of contents needed for each css choosen by the user |
595 |
## the default toc is not numbered so it can be served by a request to '/' |
596 |
## (ie it remains Overview.html whereas the other toc are called Overview_#.html) |
597 |
|
598 |
sub generateTOC { |
599 |
|
600 |
## read the general toc |
601 |
open(FOO, "<$overview.html"); |
602 |
@TOC = <FOO>; |
603 |
close(FOO); |
604 |
$toc = "@TOC"; |
605 |
|
606 |
## for each user CSS file |
607 |
## starting after the default css |
608 |
for ($css=1;$css<$nbCssStandard;$css++) { |
609 |
|
610 |
## create new TOC |
611 |
$newTOC = $toc; |
612 |
|
613 |
## the links on the toc need also to be modified |
614 |
## to link to the correct slides |
615 |
$newTOC =~ s/<a accesskey=\"(\d)\" tabindex=\"(\d+)\" href=\"slide(\d+)-\d+\.html\">/<a accesskey=\"$1\" tabindex=\"$2\" href=\"slide$3-$css\.html">/ig; |
616 |
$newTOC =~ s/<a tabindex=\"(\d+)\" href=\"slide(\d+)-\d+\.html\">/<a tabindex=\"$1\" href=\"slide$2-$css\.html">/ig; |
617 |
|
618 |
## write to new TOC |
619 |
$outfile = $overview."-".$css.".html"; |
620 |
open(OUT, ">$outfile"); |
621 |
print OUT $newTOC; |
622 |
close(OUT) |
623 |
} |
624 |
|
625 |
|
626 |
} |
627 |
|
628 |
############################################################################## |
629 |
# check that the html of the slide |
630 |
# is correct (ALT tags, ...) |
631 |
# This procedure produces only warning |
632 |
sub verify_html { |
633 |
|
634 |
if ($_[0] =~ /<img([^>]*)>/im) { |
635 |
if (!($1 =~ /ALT=/im)) { |
636 |
print STDOUT "WARNING: <IMG> without ALT\n"; |
637 |
print STDOUT " <IMG$1>\n" ; |
638 |
} |
639 |
} |
640 |
} |
641 |
|
642 |
############################################################################## |
643 |
# clean the html of the slide |
644 |
# remove all <div class="comment">blabla</div> |
645 |
sub clean_html { |
646 |
$_[0] =~ s/<div\s+class\s*=\s*(?:comment[\s>]|\"comment\").*?<\/div>//igs; |
647 |
return $_[0]; |
648 |
} |
649 |
|
650 |
############################################################################## |
651 |
# make transparent 1x1 gif (for layout tricks) |
652 |
sub make_dotgif { |
653 |
@dot_gif=(71,73,70,56,57,97,1,0,1,0,128,0,0,192,192,192,0,0,0,33, |
654 |
249,4,1,0,0,0,0,44,0,0,0,0,1,0,1,0,0,2,2,68,1,0,59); |
655 |
open(GIF,"> $_[0]") || die "can't write gif $_[0]: $!"; |
656 |
my $dotgif; |
657 |
foreach (@dot_gif) { |
658 |
$dotgif.=chr($_); |
659 |
} |
660 |
print GIF $dotgif; |
661 |
close(GIF); |
662 |
} |
663 |
|
664 |
############################################################################## |
665 |
# make slide progress bar |
666 |
sub make_progress_bar { |
667 |
my ($nr,$total) = @_; |
668 |
|
669 |
my $pcnt_done=int($nr*100/$total); |
670 |
my $pcnt_left=100-$pcnt_done; |
671 |
|
672 |
if ($progress_bar) { |
673 |
my $l=$r=" "; |
674 |
my $t="$nr of $total"; |
675 |
if ($pcnt_done > 50) { |
676 |
$l=$t; |
677 |
} else { |
678 |
$r=$t; |
679 |
} |
680 |
$html='<table border="0" width="30%" cellpadding="0" cellspacing="0" align="right"><tr><td width="'.$pcnt_done.'%" class="pcnt-done">'.$l.'</td><td width="'.$pcnt_left.'%" class="pcnt-left">'.$r.'</td></tr></table>'; |
681 |
} else { |
682 |
$html="$loc_slide $nr $loc_of $total"; |
683 |
} |
684 |
|
685 |
return $html; |
686 |
} |
687 |
|