9ba4a4234eeeafa749a27338e44b61a927bccd43
[booh] / bin / booh-backend
1 #! /usr/bin/ruby
2 #
3 #                         *  BOOH  *
4 #
5 # A.k.a 'Best web-album Of the world, Or your money back, Humerus'.
6 #
7 # The acronyn sucks, however this is a tribute to Dragon Ball by
8 # Akira Toriyama, where the last enemy beaten by heroes of Dragon
9 # Ball is named "Boo". But there was already a free software project
10 # called Boo, so this one will be it "Booh". Or whatever.
11 #
12 #
13 # Copyright (c) 2004-2009 Guillaume Cottenceau <http://zarb.org/~gc/resource/gc_mail.png>
14 #
15 # This software may be freely redistributed under the terms of the GNU
16 # public license version 2.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
22 require 'getoptlong'
23 begin
24     #- new style (ruby-locale separated package)
25     require 'locale'
26 rescue LoadError
27     #- old style (locale stuff in ruby-gettext package)
28     require 'gettext/locale'
29 end
30 require 'gettext'
31 include GetText
32 require 'booh/rexml/document'
33 include REXML
34
35 require 'booh/booh-lib'
36 require 'booh/html-merges'
37
38 #- bind text domain as soon as possible because some _() functions are called early to build data structures
39 bindtextdomain("booh")
40 #- save locale for restoring for multi languages
41 $default_locale = Locale.get
42
43 #- options
44 $options = [
45     [ '--help',          '-h', GetoptLong::NO_ARGUMENT, _("Get help message") ],
46     [ '--version',       '-V', GetoptLong::NO_ARGUMENT, _("Print version and exit") ],
47
48     [ '--source',        '-s', GetoptLong::REQUIRED_ARGUMENT, _("Directory which contains original photos/videos as files or subdirs") ],
49     [ '--destination',   '-d', GetoptLong::REQUIRED_ARGUMENT, _("Directory which will contain the web-album; if it already exits, then all existing files and directories inside it will be removed!") ],
50
51     [ '--theme',         '-t', GetoptLong::REQUIRED_ARGUMENT, _("Select HTML theme to use") ],
52     [ '--config',        '-C', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing photos and videos within directories with captions") ],
53     [ '--config-skel',   '-k', GetoptLong::REQUIRED_ARGUMENT, _("Filename where the script will output a config skeleton") ],
54     [ '--merge-config',  '-M', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to merge new/removed photos/videos from --source, and change theme info") ],
55     [ '--merge-config-onedir',  '-O', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the subdir specified with --dir") ],
56     [ '--merge-config-subdirs', '-U', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the new subdirs down the subdir specified with --dir") ],
57     [ '--dir',           '-D', GetoptLong::REQUIRED_ARGUMENT, _("Directory for merge with --merge-config-onedir or --merge-config-subdirs") ],
58     [ '--use-config',    '-u', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to change theme info") ],
59     [ '--force',         '-f', GetoptLong::NO_ARGUMENT, _("Force generation of album even if the GUI marked some directories as already generated") ],
60
61     [ '--sizes',         '-S', GetoptLong::REQUIRED_ARGUMENT, _("Specify the list of images sizes to use instead of all specified in the theme (this is a comma-separated list)") ],
62     [ '--multi-languages', '-L', GetoptLong::REQUIRED_ARGUMENT, _("Specify the list of languages to support (uses Apache MultiViews); this is a comma-separated list of supported languages, with last element used as the fallback language; for example: 'fr,eo,en,en'; supported languages: %s") % SUPPORTED_LANGUAGES.join(', ') ],
63     [ '--thumbnails-per-row', '-T', GetoptLong::REQUIRED_ARGUMENT, _("Specify the amount of thumbnails per row in the thumbnails page (if applicable in theme)") ],
64     [ '--thumbnails-per-page', '-p', GetoptLong::REQUIRED_ARGUMENT, _("Specify the amount of thumbnails per page in the thumbnails page, after which split occurs") ],
65     [ '--optimize-for-32', '-o', GetoptLong::NO_ARGUMENT, _("Resize images with optimized sizes for 3/2 aspect ratio rather than 4/3 (typical aspect ratio of photos from point-and-shoot cameras - also called compact cameras - is 4/3, whereas photos from SLR cameras - also called reflex cameras - is 3/2)") ],
66     [ '--transcode-videos', '-r', GetoptLong::REQUIRED_ARGUMENT, _("Transcode videos with given external program; %f is the placeholder for the input video, %o for the output video; before the external program, the output video extension should be given followed by a colon") ],
67     [ '--flv-generator', '-F', GetoptLong::REQUIRED_ARGUMENT, _("Use embedded flash player for videos (flowplayer) and use this .flv generator (%f is the placeholder for the input video, %o for the output video)") ],
68     [ '--index-link',    '-l', GetoptLong::REQUIRED_ARGUMENT, _("Specify the HTML markup to use on the bottom of pages for a small link returning to wherever you see fit in your website (or somewhere else)") ],
69     [ '--addthis', '-a', GetoptLong::NO_ARGUMENT, _("Include the 'addthis' bookmarking and sharing button") ],
70     [ '--made-with',     '-n', GetoptLong::REQUIRED_ARGUMENT, _("Specify the HTML markup to use on the bottom of pages for a small 'made with' message") ],
71     [ '--quote-html',    '-q', GetoptLong::NO_ARGUMENT, _("Quote HTML markup in captions") ],
72     [ '--comments-format','-c', GetoptLong::REQUIRED_ARGUMENT, _("Specify comments format to use for images instead of only filename when creating new albums; use ImageMagick's format") ],
73
74     [ '--mproc',         '-m', GetoptLong::REQUIRED_ARGUMENT, _("Specify the number of processors for multi-processors machines") ],
75
76     [ '--for-gui',       '-g', GetoptLong::NO_ARGUMENT,       _("Do the minimum work to be able to see the album under the GUI (don't generate all thumbnails)") ],
77
78     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
79     [ '--info-pipe',     '-i', GetoptLong::REQUIRED_ARGUMENT, _("Name a file where to write information about what's going on (used by the GUI)") ],
80 ]
81
82 #- default values for some globals 
83 $switches = []
84 $stdout.sync = true
85 $no_identify = false
86 $ignore_videos = false
87 $forgui = false
88 $hardlinks_ok = true
89
90 def usage
91     puts _("Usage: %s [OPTION]...") % File.basename($0)
92     $options.each { |ary|
93         printf " %3s, %-18s %s\n", ary[1], ary[0], ary[3]
94     }
95 end
96
97 def handle_options
98     parser = GetoptLong.new
99     parser.set_options(*$options.collect { |ary| ary[0..2] })
100     begin
101         parser.each_option do |name, arg|
102             case name
103             when '--help'
104                 usage
105                 exit(0)
106
107             when '--version'
108                 puts _("Booh version %s
109
110 Copyright (c) 2005-2009 Guillaume Cottenceau.
111 This is free software; see the source for copying conditions.  There is NO
112 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") % $VERSION
113
114                 exit(0)
115
116             when '--source'
117                 $source = File.expand_path(arg.sub(%r|/$|, ''))
118                 if !File.directory?($source)
119                     die _("Argument to --source must be a directory")
120                 end
121             when '--destination'
122                 $dest = File.expand_path(arg.sub(%r|/$|, ''))
123                 if File.exists?($dest) && !File.directory?($dest)
124                     die _("If --destination exists, it must be a directory")
125                 end
126                 if $dest != make_dest_filename($dest)
127                     die _("Sorry, destination directory can't contain non simple alphanumeric characters.")
128                 end
129 #            when '--clean'
130 #                system("rm -rf #{$dest}")
131
132             when '--theme'
133                 $theme = arg
134             when '--config'
135                 arg = File.expand_path(arg)
136                 if File.readable?(arg)
137                     $xmldoc = REXML::Document.new File.new(arg)
138                     $mode = 'use_config'
139                 else
140                     die _('Config file does not exist or is unreadable.')
141                 end
142             when '--config-skel'
143                 arg = File.expand_path(arg)
144                 if File.exists?(arg)
145                     if File.directory?(arg)
146                         die _("Config skeleton file (%s) already exists and is a directory! Please change the filename.") % arg
147                     else
148                         msg 1, _("Config skeleton file already exists, backuping to %s.backup") % arg
149                         File.rename(arg, "#{arg}.backup")
150                     end
151                 end
152                 $config_writeto = arg
153                 $mode = 'gen_config'
154             when '--merge-config'
155                 arg = File.expand_path(arg)
156                 if File.readable?(arg)
157                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
158                     $xmldoc = REXML::Document.new File.new(arg)
159                     File.rename(arg, "#{arg}.backup")
160                     $config_writeto = arg
161                     $mode = 'merge_config'
162                 else
163                     die _('Config file does not exist or is unreadable.')
164                 end
165             when '--merge-config-onedir'
166                 arg = File.expand_path(arg)
167                 if File.readable?(arg)
168                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
169                     $xmldoc = REXML::Document.new File.new(arg)
170                     File.rename(arg, "#{arg}.backup")
171                     $config_writeto = arg
172                     $mode = 'merge_config_onedir'
173                 else
174                     die _('Config file does not exist or is unreadable.')
175                 end
176             when '--merge-config-subdirs'
177                 arg = File.expand_path(arg)
178                 if File.readable?(arg)
179                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
180                     $xmldoc = REXML::Document.new File.new(arg)
181                     File.rename(arg, "#{arg}.backup")
182                     $config_writeto = arg
183                     $mode = 'merge_config_subdirs'
184                 else
185                     die _('Config file does not exist or is unreadable.')
186                 end
187             when '--dir'
188                 arg = File.expand_path(arg)
189                 if !File.readable?(arg)
190                     die _('Specified directory to merge with --dir is not readable')
191                 else
192                     $onedir = arg
193                 end
194             when '--use-config'
195                 arg = File.expand_path(arg)
196                 if File.readable?(arg)
197                     msg 2, _("Use config notice: backuping current config file to %s.backup") % arg
198                     $xmldoc = REXML::Document.new File.new(arg)
199                     File.rename(arg, "#{arg}.backup")
200                     $config_writeto = arg
201                     $mode = 'use_config_changetheme'
202                 else
203                     die _('Config file does not exist or is unreadable.')
204                 end
205
206             when '--sizes'
207                 $limit_sizes = arg
208
209             when '--multi-languages'
210                 parts = arg.split(',')
211                 if parts.size == 0 || parts.find_all { |e| ! SUPPORTED_LANGUAGES.include?(e.strip) }.size > 0
212                     die _("--multi-languages: argument must be a comma-separated list of supported languages, with last element used as the fallback language; for example: 'fr,eo,en,en'; supported languages: %s") % SUPPORTED_LANGUAGES.join(', ')
213                 end
214                 $multi_languages = [ parts[0..-2], parts[-1] ]
215
216             when '--thumbnails-per-row'
217                 $N_per_row = arg
218
219             when '--thumbnails-per-page'
220                 $N_per_page = arg
221
222             when '--optimize-for-32'
223                 $optimize_for_32 = true
224
225             when '--transcode-videos'
226                 parts = arg.split(':', 2)
227                 if parts.size != 2 || parts[0] =~ / / || arg !~ /%f/ || arg !~ /%o/
228                     die _("--transcode-videos: argument must be the external program for transcoding, and contain %f for the input video, %o for the output video, and before the external program, the output video extension should be given followed by a colon")
229                 end
230                 $transcode_videos = arg
231
232             when '--flv-generator'
233                 if arg !~ /%f/ || arg !~ /%o/
234                     die _("--flv-generator: argument must contain %f for the input video and %o for the output video")
235                 end
236                 $flv_generator = arg
237
238             when '--made-with'
239                 $madewith = arg
240
241             when '--index-link'
242                 $indexlink = arg
243
244             when '--addthis'
245                 $addthis = true
246
247             when '--quote-html'
248                 $quote_html = true
249
250             when '--comments-format'
251                 $commentsformat = arg
252
253             when '--force'
254                 $force = true
255
256             when '--mproc'
257                 $mproc = arg.to_i
258                 $pids = []
259
260             when '--for-gui'
261                 $forgui = true
262
263             when '--verbose-level'
264                 $verbose_level = arg.to_i
265
266             when '--info-pipe'
267                 $info_pipe = File.open(arg, File::WRONLY)
268                 $info_pipe.sync = true
269             end
270         end
271     rescue
272         puts $!
273         usage
274         exit(1)
275     end
276
277     if !$source && $xmldoc
278         $source = from_utf8($xmldoc.root.attributes['source']).sub(%r|/$|, '')
279         $dest = from_utf8($xmldoc.root.attributes['destination']).sub(%r|/$|, '')
280         $theme ||= $xmldoc.root.attributes['theme']
281         $limit_sizes ||= $xmldoc.root.attributes['limit-sizes']
282         if $mode == 'use_config' || $mode =~ /^merge_config/
283             $optimize_for_32 = !$xmldoc.root.attributes['optimize-for-32'].nil?
284             $N_per_row = $xmldoc.root.attributes['thumbnails-per-row']
285             languages = $xmldoc.root.attributes['multi-languages']
286             if languages
287                 languages = languages.split(',')
288                 $multi_languages = [ languages[0..-2], languages[-1] ]
289             end
290             $N_per_page = $xmldoc.root.attributes['thumbnails-per-page']
291             $madewith = $xmldoc.root.attributes['made-with']
292             $indexlink = $xmldoc.root.attributes['index-link']
293             $addthis = !$xmldoc.root.attributes['addthis'].nil?
294             $quote_html = !$xmldoc.root.attributes['quote-html'].nil?
295         end
296     end
297
298     if $mode == 'merge_config_onedir' && !$onedir
299         die _("Missing --dir for --merge-config-onedir")
300     end
301     if $mode == 'merge_config_subdirs' && !$onedir
302         die _("Missing --dir for --merge-config-subdirs")
303     end
304
305     if !$source
306         usage
307         exit(0)
308     end
309     if !$dest
310         die _("Missing --destination parameter.")
311     end
312     if !$theme
313         $theme = 'simple'
314     end
315
316     select_theme($theme, $limit_sizes, $optimize_for_32, $N_per_row)
317
318     if !$xmldoc
319         $xmldoc = Document.new "<booh/>"
320         $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
321         $xmldoc.root.add_attribute('version', $VERSION)
322         $xmldoc.root.add_attribute('source', $source)
323         $xmldoc.root.add_attribute('destination', $dest)
324         $xmldoc.root.add_attribute('theme', $theme)
325         if $limit_sizes
326             $xmldoc.root.add_attribute('limit-sizes', $limit_sizes)
327         end
328         if $multi_languages
329             $xmldoc.root.add_attribute('multi-languages', $multi_languages[0].join(',') + ',' + $multi_languages[1])
330         end
331         if $optimize_for_32
332             $xmldoc.root.add_attribute('optimize-for-32', 'true')
333         end
334         if $N_per_row
335             $xmldoc.root.add_attribute('thumbnails-per-row', $N_per_row)
336         end
337         if $N_per_page
338             $xmldoc.root.add_attribute('thumbnails-per-page', $N_per_page)
339         end
340         if $madewith
341             $xmldoc.root.add_attribute('made-with', $madewith)
342         end
343         if $indexlink
344             $xmldoc.root.add_attribute('index-link', $indexlink)
345         end
346         if $addthis
347             $xmldoc.root.add_attribute('addthis', 'true')
348         end
349         if $quote_html
350             $xmldoc.root.add_attribute('quote-html', 'true')
351         end
352         $mode = 'gen_config'
353     end
354
355     if $mode == 'merge_config' || $mode == 'use_config_changetheme'
356         $xmldoc.root.add_attribute('theme', $theme)
357         $xmldoc.root.add_attribute('version', $VERSION)
358         if $limit_sizes
359             $xmldoc.root.add_attribute('limit-sizes', $limit_sizes)
360         else
361             $xmldoc.root.delete_attribute('limit-sizes')
362         end
363         if $multi_languages
364             $xmldoc.root.add_attribute('multi-languages', $multi_languages[0].join(',') + ',' + $multi_languages[1])
365         else
366             $xmldoc.root.delete_attribute('multi-languages')
367         end
368
369         if $optimize_for_32
370             $xmldoc.root.add_attribute('optimize-for-32', 'true')
371         else
372             $xmldoc.root.delete_attribute('optimize-for-32')
373         end
374         if $N_per_row
375             $xmldoc.root.add_attribute('thumbnails-per-row', $N_per_row)
376         else
377             $xmldoc.root.delete_attribute('thumbnails-per-row')
378         end
379         if $N_per_page
380             $xmldoc.root.add_attribute('thumbnails-per-page', $N_per_page)
381         else
382             $xmldoc.root.delete_attribute('thumbnails-per-page')
383         end
384         if $madewith
385             $xmldoc.root.add_attribute('made-with', $madewith)
386         else
387             $xmldoc.root.delete_attribute('made-with')
388         end
389         if $indexlink
390             $xmldoc.root.add_attribute('index-link', $indexlink)
391         else
392             $xmldoc.root.delete_attribute('index-link')
393         end
394         if $addthis
395             $xmldoc.root.add_attribute('addthis', 'true')
396         else
397             $xmldoc.root.delete_attribute('addthis')
398         end
399         if $quote_html
400             $xmldoc.root.add_attribute('quote-html', 'true')
401         else
402             $xmldoc.root.delete_attribute('quote-html')
403         end
404     end
405
406     if $transcode_videos
407         $xmldoc.root.add_attribute('transcode-videos', $transcode_videos)
408     else
409         $xmldoc.root.delete_attribute('transcode-videos')
410     end
411
412     if $flv_generator
413         $xmldoc.root.add_attribute('flv-generator', $flv_generator)
414     else
415         $xmldoc.root.delete_attribute('flv-generator')
416     end
417
418     if $madewith
419         $madewith = $madewith.gsub('%booh', '"http://booh.org/"')
420     end
421     if $multi_languages
422         $htmlsuffix = ''
423     else
424         $htmlsuffix = '.html'
425     end
426 end
427
428 def read_config
429     $config = {}
430 end
431
432 def write_config
433 end
434
435 def info(value)
436     if $info_pipe
437         $info_pipe.puts(value)
438     end
439 end
440
441 def die(value)
442     if $info_pipe
443         $info_pipe.puts("die: " + value)
444     end
445     die_ value
446 end
447
448 def check_installation
449     if !system("which convert >/dev/null 2>/dev/null")
450         die _("The program 'convert' is needed. Please install it. 
451 It is generally available with the 'ImageMagick' software package.")
452     end
453     if !system("which identify >/dev/null 2>/dev/null")
454         msg 1, _("the program 'identify' is needed to get images sizes and EXIF data. Please install it.
455 It is generally available with the 'ImageMagick' software package.")
456         $no_identify = true
457     end
458     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
459     if missing != []
460         msg 1, _("the following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')
461         $ignore_videos = true
462     end
463 end
464
465 def replace_line(surround, keyword, line)
466     begin
467         contents = eval "$#{keyword}"
468         line.sub!(/#{surround}#{keyword}#{surround}/, contents)
469     rescue TypeError
470         die _("No '%s' found for substitution") % keyword
471     end
472 end
473
474 def build_html_skeletons
475     $html_images     = File.open("#{$themedir}/skeleton_image.html").readlines
476     $html_thumbnails = File.open("#{$themedir}/skeleton_thumbnails.html").readlines
477     $html_index      = File.open("#{$themedir}/skeleton_index.html").readlines
478     for line in $html_images + $html_thumbnails + $html_index
479         while line =~ /~~~(\w+)~~~/
480             replace_line('~~~', $1, line)
481         end
482     end
483 end
484
485 def find_caption_value(xmldir, filename)
486     if cap = xmldir.elements["*[@filename='#{utf8(filename)}']"].attributes['caption']
487         return cap
488     else
489         return nil
490     end
491 end
492
493 def quote_caption(input, *for_attribute)
494     if $quote_html
495         return input.gsub('<', '&lt;').gsub('>', '&gt;').gsub('"', '&quot;').gsub("'", '&#39;').gsub("\n", '<br/>')
496     elsif for_attribute[0]
497         return input.gsub('"', '&quot;').gsub("\n", '<br/>')
498     else
499         return input.gsub("\n", '<br/>')
500     end
501 end
502
503 #- stolen from CVSspam
504 def urlencode(text)
505   text.sub(/[^a-zA-Z0-9\-,.*_\/]/) do
506     "%#{sprintf('%2X', $&[0])}"
507   end
508 end
509
510 def all_images_sizes
511     return $limit_sizes =~ /original/ ? $images_size + [ { 'name' => 'original' } ] : $images_size
512 end
513
514 def html_reload_to_thumbnails
515     html_reload_to_thumbnails = $preferred_size_reloader.clone
516     html_reload_to_thumbnails.gsub!(/~~theme~~/, $theme)
517     html_reload_to_thumbnails.gsub!(/~~default_size~~/, size2js($default_size['name']))
518     html_reload_to_thumbnails.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
519     html_reload_to_thumbnails.gsub!(/~~all_sizes~~/, all_images_sizes.collect { |s| "\"#{size2js(s['name'])}\"" }.join(', '))
520     size_auto_chooser = '';
521     all_images_sizes.find_all { |s| s.has_key?('optimizedforwidth') }.
522                      sort { |a,b| b['optimizedforwidth'].to_i <=> a['optimizedforwidth'].to_i }.
523                      each { |s| size_auto_chooser += "if (w + 50 > #{s['optimizedforwidth']}) { return 'thumbnails-#{size2js(s['name'])}-0#{$htmlsuffix}'; }\n" }
524     html_reload_to_thumbnails.gsub!(/~~size_auto_chooser~~/, size_auto_chooser)
525     return html_reload_to_thumbnails
526 end
527
528 def discover_iterations(iterations, line)
529     if line =~ /~~iterate(\d)_open(_max(\d+|N))?~~/
530         for iter in iterations.values
531             if iter['open']
532                 iter['open'] = false
533                 iter['close_wait'] = $1.to_i
534             end
535         end
536         max = $3 == 'N' ? ($N_per_row || $default_N) : $3
537         iterations[$1.to_i] = { 'open' => true, 'max' => max, 'opening' => '', 'closing' => '' }
538         if $1.to_i == 1
539             line.sub!(/.*/, '~~thumbnails~~')
540         else
541             line.sub!(/.*/, '')
542         end
543     elsif line =~ /~~iterate(\d)_close~~/
544         iterations[$1.to_i]['open']  = false;
545         iterations[$1.to_i]['close'] = true;
546         line.sub!(/.*/, '')
547     else
548         for iter in iterations.values
549             if iter['open']
550                 iter['opening'] += line
551                 line.sub!(/.*/, '')
552             end
553             if !iter['close'] && iter['close_wait'] && iterations[iter['close_wait']]['close']
554                 iter['closing'] += line
555                 line.sub!(/.*/, '')
556             end
557         end
558     end
559 end
560
561 def reset_iterations(iterations)
562     for iter in iterations.values
563         iter['value'] = 0
564     end
565 end
566
567 def run_iterations(iterations, amount)
568     html = ''
569     should_rerun = false
570     for level in iterations.keys.sort
571         if iterations[level]['value'] == 0
572             html += iterations[level]['opening']
573         elsif level == iterations.keys.max
574             if !iterations[level]['max'] || iterations[level]['max'] && iterations[level]['value'] + amount <= iterations[level]['max'].to_i
575                 html += iterations[level]['opening']
576             else
577                 should_rerun = true
578             end
579         end
580         iterations[level]['value'] += amount
581         if iterations[level]['max'] && iterations[level]['value'] > iterations[level]['max'].to_i
582             iterations[level]['value'] = 0
583             iterations[level-1]['value'] = 0
584             html += iterations[level-1]['closing']
585         end
586     end
587     if should_rerun
588         return html + run_iterations(iterations, amount)
589     else
590         return html
591     end
592 end
593
594 def close_iterations(iterations)
595     html = ''
596     for level in iterations.keys.sort.reverse
597         html += iterations[level]['closing']
598     end
599     return html
600 end
601
602 def img_element(fullpath, caption)
603     if size = get_image_size(fullpath)
604         sizespec = 'width="' + size[:x].to_s + '" height="' + size[:y].to_s + '"'
605     else
606         sizespec = ''
607     end
608     return '<img src="' + File.basename(fullpath) + '" ' + sizespec + ' alt="' + quote_caption(caption, true) + '"/>'
609 end
610
611 def size2js(name)
612     return name.gsub(/-/, '')
613 end
614
615 def substitute_html_sizes(html, sizeobj, type, suffix)
616     sizestrings = []
617     if $images_size.length > 1 || (type == 'image' && $limit_sizes =~ /original/)
618         for sizeobj2 in $images_size
619             sizejs = size2js(sizeobj2['name'])
620             sizen = defer_translation(sizename(sizeobj2['name'], false))
621             if sizeobj != sizeobj2
622                 if type == 'thumbnails'
623                     sizestrings << '<a href="thumbnails-' + sizejs + suffix + $htmlsuffix + '" onclick="set_preferred_size(\'' + sizejs + '\')">' + sizen + '</a>'
624                 else
625                     sizestrings << '<a id="link' + sizejs + '" onclick="set_preferred_size(\'' + sizejs + '\')">' + sizen + '</a>'
626                 end
627             else
628                 sizestrings << sizen
629             end
630         end
631         if type == 'image' && $limit_sizes =~ /original/
632             sizestrings << '<a id="linkoriginal" target="newframe">' + defer_translation(sizename('original', false)) + '</a>'
633         end
634     end
635     html.sub!(/~~sizes~~(.+)~~/) { sizestrings.join($1) }
636 end
637
638 def substitute_navigation(html, xmldir)
639     if xmldir.parent.name == 'dir'
640         nav = ''
641         path = '..'
642         parent = xmldir.parent
643         while parent.name == 'dir'
644             parentcaption = parent.attributes['subdirs-caption'] || File.basename(parent.attributes['path'])
645             nav = "<a href=\"#{path}/index#{$htmlsuffix}\">#{parentcaption}</a> #{defer_translation(N_(" > "))} #{nav}"
646             path += '/..'
647             parent = parent.parent
648         end
649         html.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/) { $1 }
650         html.gsub!(/~~navigation~~/, nav + (xmldir.attributes['subdirs-caption'] || File.basename(xmldir.attributes['path'])))
651     else
652         html.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/, '')
653     end
654 end
655
656 def substitute_addthis(html)
657     html.gsub!(/~~addthis~~/, $addthis ? '<a class="addthis_button" href="http://www.addthis.com/bookmark.php?v=250"><img src="http://s7.addthis.com/static/btn/v2/lg-share-en.gif" width="125" height="16" alt="' + defer_translation(N_("Bookmark and Share")) + '" style="border:0"/></a><script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js"></script>' : '')
658 end
659
660 def substitute_pathtobase(html, xmldir)
661     path = ''
662     location = xmldir
663     while location.parent.name == 'dir'
664         path = '../' + path
665         location = location.parent
666     end
667     html.gsub!(/~~pathtobase~~/, path)
668 end
669
670 def xmldir2destdir(xmldir)
671     return make_dest_filename(from_utf8(File.basename(xmldir.attributes['path'])))
672 end
673
674 def find_previous_album(xmldir)
675     relative_pos = ''
676     begin
677         #- move to previous dir element if exists
678         if prevelem = xmldir.previous_element_byname_notattr('dir', 'deleted')
679             xmldir = prevelem
680             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
681             child = nil
682             #- after having moved to previous dir, we need to go down last subdir until the last one
683             while child = xmldir.elements['dir']
684                 while nextchild = child.next_element_byname_notattr('dir', 'deleted')
685                     child = nextchild
686                 end
687                 relative_pos += xmldir2destdir(child) + '/'
688                 xmldir = child
689             end
690         else
691             #- previous dir doesn't exist, move to previous dir element if exists
692             xmldir = xmldir.parent
693             if xmldir.name == 'dir' && !xmldir.attributes['deleted']
694                 relative_pos += '../'
695             else
696                 return nil
697             end
698         end
699     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
700     return File.reduce_path(relative_pos)
701 end
702
703 def find_next_album(xmldir)
704     relative_pos = ''
705     begin
706         #- first child dir element (catches when initial xmldir has both thumbnails and subdirs)
707         if firstchild = xmldir.child_byname_notattr('dir', 'deleted')
708             xmldir = firstchild
709             relative_pos += xmldir2destdir(xmldir) + '/'
710         #- next brother
711         elsif nextbro = xmldir.next_element_byname_notattr('dir', 'deleted')
712             xmldir = nextbro
713             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
714         else
715             #- go up until we have a next brother or we are finished
716             begin
717                 xmldir = xmldir.parent
718                 relative_pos += '../'
719             end while xmldir && !xmldir.next_element_byname_notattr('dir', 'deleted')
720             if xmldir
721                 xmldir = xmldir.next_element_byname('dir')
722                 relative_pos += '../' + xmldir2destdir(xmldir) + '/'
723             else
724                 return nil
725             end
726         end
727     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
728     return File.reduce_path(relative_pos)
729 end
730
731 def find_translation_for_file(file, msg)
732     if $multi_languages
733         if file =~ /\.(\w\w)\.html$/
734             bindtextdomain("booh", { :locale => "#{$1}.UTF-8" })
735             retval = _(msg)
736             Locale.set_current($default_locale)
737             return retval
738         else
739             die "Internal error: cannot find multi language suffix of file '#{file}'"
740         end
741     else
742         return utf8(_(msg))
743     end
744 end
745
746 def sub_previous_next_album(file, previous_album, next_album, html, previous_album_msg, next_album_msg)
747     if previous_album
748         html.gsub!(/~~previous_album~~/, '<a href="' + previous_album + 'thumbnails' + $htmlsuffix + '">' + previous_album_msg + '</a>')
749         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/) { $1 }
750     else
751         html.gsub!(/~~previous_album~~/, '')
752         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/, '')
753     end
754     if next_album
755         html.gsub!(/~~next_album~~/, '<a href="' + next_album + 'thumbnails' + $htmlsuffix + '">' + next_album_msg + '</a>')
756         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/) { $1 }
757     else
758         html.gsub!(/~~next_album~~/, '')
759         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/, '')
760     end
761     return html
762 end
763
764 def save_html(html, base_filename)
765     if html.class == Array
766         html = html.join('')
767     end
768     if $multi_languages
769         for language in ($multi_languages[0] + [ $multi_languages[1] ]).uniq
770             bindtextdomain("booh", { :locale => "#{language}.UTF-8" })
771             ios = File.open("#{base_filename}.#{language}.html", "w")
772             ios.write(html.gsub(/@@(.*?)@@/) { _($1) })
773             ios.close
774             Locale.set_current($default_locale)
775         end
776     else
777         ios = File.open("#{base_filename}.html", "w")
778         ios.write(html.gsub(/@@(.*?)@@/) { utf8(_($1)) })
779         ios.close
780     end
781 end
782
783 def apply_hook(name, content, *params)
784     if $hooks.nil?
785         return content
786     end
787     hook = $hooks[name]
788     if hook.nil?
789         return content
790     else
791         return hook.call(content, *params)
792     end
793 end
794
795 def walk_source_dir
796
797     #- preprocess the path->dir, rexml is very slow with that; we seem to improve speed by 7%
798     optxpath = {}
799     $xmldoc.elements.each('//dir') { |elem|
800         optxpath[elem.attributes['path']] = elem
801     }
802
803     examined_dirs = nil
804     if $mode == 'merge_config_onedir'
805         examined_dirs = [ $onedir ]
806     elsif $mode == 'merge_config_subdirs'
807         examined_dirs = `find '#{$onedir}' -type d -follow`.sort.collect { |v| v.chomp }.delete_if { |v| optxpath.has_key?(utf8(v)) }
808     else
809         examined_dirs = `find '#{$source}' -type d -follow`.sort.collect { |v| v.chomp }
810         if $mode == 'merge_config'
811             $xmldoc.elements.each('//dir') { |elem|
812                 if ! examined_dirs.include?(elem.attributes['path'])
813                     msg 2, _("Merging config: removing directory %s from config, isn't on filesystem anymore") % elem.attributes['path']
814                     elem.remove
815                 end
816             }
817         end
818     end
819     info("directories: #{examined_dirs.length}, sizes: #{$images_size.length}")
820
821     examined_dirs.each { |dir|
822         if dir =~ /'/
823             die _("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir
824         end
825         if $mode !~ /^use_config/
826             Dir.entries(dir).each { |file|
827                 if file =~ /['"\[\]]/
828                     die _("Files can't contain any of the characters ', \", [ or ], sorry: %s") % "#{dir}/#{file}"
829                 end
830             }
831         end
832     }
833
834     examined_dirs.each { |dir|
835         if File.basename(dir) =~ /^\./
836             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
837             next
838         end
839
840         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
841
842         #- place xml document on proper node if exists, else create
843         xmldir = optxpath[utf8(dir)]
844         if $mode == 'use_config' || $mode == 'use_config_changetheme'
845             if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
846                 info("walking: #{dir}|#{$source}, 0 elements")
847                 if xmldir && xmldir.attributes['deleted']
848                     system("rm -rf '#{dest_dir}'")
849                 end
850                 next
851             end
852         else
853             if $mode == 'gen_config' || (($mode == 'merge_config' || $mode == 'merge_config_subdirs') && !xmldir)
854                 #- add the <dir..> element if necessary
855                 parent = File.dirname(dir)
856                 xmldir = $xmldoc.elements["//dir[@path='#{utf8(parent)}']"]
857                 if !xmldir
858                     xmldir = $xmldoc.root
859                 end
860                 #- need to remove the already-generated mark of the parent because of the sub-albums page containing now one more element
861                 xmldir.delete_attribute('already-generated')
862                 xmldir = optxpath[utf8(dir)] = xmldir.add_element('dir', { 'path' => utf8(dir) })
863             end
864         end
865         xmldir.delete_attribute('already-generated')
866
867         #- preprocess all the existing elements, rexml is slow with that
868         optelements = {}
869         xmldir.elements.each { |elem|
870             if filename = elem.attributes['filename']
871                 optelements[elem.name + '|' + filename] = elem
872             end
873         }
874
875         #- read images/videos entries from config or from directories depending on mode
876         entries = []
877         if $mode == 'use_config' || $mode == 'use_config_changetheme'
878             msg 2, _("Handling %s from config list...") % dir
879             xmldir.elements.each { |element|
880                 if %w(image video).include?(element.name) && !element.attributes['deleted']
881                     entries << from_utf8(element.attributes['filename'])
882                 end
883             }
884         else
885             msg 2, _("Examining %s...") % dir
886             entries = Dir.entries(dir).sort
887             #- populate config in case of gen_config, add new files in case of merge_config
888             for file in entries
889                 if file =~ /['"\[\]]/
890                     msg 1, _("Ignoring %s, contains one of forbidden characters: '\"[]") % "#{dir}/#{file}"
891                 else
892                     type = entry2type(file)
893                     if type && ! optelements[type + '|' + utf8(file)]
894                         #- hack: don't run identify (which is slow) if format only contains default %t
895                         if $commentsformat && type == 'image' && $commentsformat != '%t'
896                             comment = utf8(`identify -format "#{$commentsformat}" '#{dir}/#{file}'`.chomp.sub(/\.$/, ''))
897                         else
898                             comment = utf8cut(file.sub(/\.[^\.]+$/, ''), 18)
899                         end
900                         optelements[type + '|' + utf8(file)] = xmldir.add_element(type, { "filename" => utf8(file), "caption" => comment })
901                     end
902                 end
903             end
904             if $mode != 'gen_config'
905                 #- cleanup removed files from config and reread entries from config to get proper ordering
906                 entries = []
907                 xmldir.elements.each { |element|
908                     fullpath = "#{dir}/#{from_utf8(element.attributes['filename'])}"
909                     if %w(image video).include?(element.name)
910                         if !File.readable?(fullpath)
911                             msg 1, _("Config merge: removing %s from config; use the backup file to retrieve caption info if this was a mistake") % fullpath
912                             xmldir.delete(element)
913                         elsif !element.attributes['deleted']
914                             entries << from_utf8(element.attributes['filename'])
915                         end
916                     end
917                 }
918                 #- if there is no more elements here, there is no album here anymore
919                 if !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
920                     xmldir.delete_attribute('thumbnails-caption')
921                     xmldir.delete_attribute('thumbnails-captionfile')
922                 end
923             end
924         end
925         images = entries.find_all { |e| entry2type(e) == 'image' }
926         msg 3, _("\t%s photos") % images.length
927         videos = entries.find_all { |e| entry2type(e) == 'video' }
928         msg 3, _("\t%s videos") % videos.length
929         info("walking: #{dir}|#{$source}, #{images.length + videos.length} elements")
930
931         system("mkdir -p '#{dest_dir}'")
932
933         #- generate .htaccess file
934         if !$forgui
935             ios = File.open("#{dest_dir}/.htaccess", "w")
936             ios.write("AddCharset UTF-8 .html\n")
937             if auth_user_file = xmldir.attributes['password-protect']
938                 msg 3, _("\tgenerating password protection file #{dest_dir}/.htaccess")
939                 ios.write("AuthType Basic\nAuthName \"protected area\"\nAuthUserFile #{auth_user_file}\nrequire valid-user\n")
940             end
941             if $multi_languages
942                 ios.write("Options +Multiviews\n")
943                 ios.write("LanguagePriority #{$multi_languages[1]}\n")
944                 ios.write("ForceLanguagePriority Prefer Fallback\n")
945                 ios.write("DirectoryIndex index\n")
946             end
947             ios.close
948         end
949
950         #- pass through if there are no images and videos
951         if images.size == 0 && videos.size == 0
952             if !$forgui
953                 #- cleanup old images/videos, especially if this directory contained images/videos previously.
954                 if $mode != 'gen_config'
955                     rightful_images = [ '.htaccess' ]
956                     if xmldir.attributes['thumbnails-caption']
957                         rightful_images << 'thumbnails-thumbnail.jpg'
958                     end
959                     xmldir.elements.each('dir') { |child|
960                         if child.attributes['deleted']
961                             next
962                         end
963                         subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
964                         rightful_images << "thumbnails-#{subdir}.jpg"
965                     }
966                     to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?(File.join(dest_dir, e)) && !rightful_images.include?(e) }
967                     if to_del.size > 0
968                         File.delete(*to_del.collect { |e| File.join(dest_dir, e) })
969                     end
970                 end
971                 
972                 #- copy any resource file that goes with the theme (css, images..)
973                 themestuff = Dir.entries("#{$themedir}").
974                                  find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata root).include?(e) }
975                 themestuff.each { |entry|
976                     if !File.exists?(File.join(dest_dir, entry))
977                         psys("cp '#{$themedir}/#{entry}' '#{dest_dir}'")
978                     end
979                 }
980
981                 #- copy any root-only resource file that goes with the theme (css, images..)
982                 if xmldir.parent.name != 'dir'
983                     themestuff_root = Dir.entries("#{$themedir}/root").
984                                           find_all { |e| !%w(. ..).include?(e) }
985                     themestuff_root.each { |entry|
986                         if !File.exists?(File.join(dest_dir, entry))
987                             psys("cp '#{$themedir}/root/#{entry}' '#{dest_dir}'")
988                         end
989                     }
990                     #- copy flowplayer stuff if needed
991                     if $flv_generator
992                         psys("cp #{$FPATH}/flowplayer/flowplayer* '#{dest_dir}'")
993                     end
994                 end
995             end
996             next
997         end
998
999         msg 2, _("Outputting in %s...") % dest_dir
1000
1001         #- populate data structure with sizes from theme
1002         for sizeobj in $images_size
1003             fullscreen_images ||= {}
1004             fullscreen_images[sizeobj['name']] = []
1005             thumbnail_images ||= {}
1006             thumbnail_images[sizeobj['name']] = []
1007             fullscreen_videos ||= {}
1008             fullscreen_videos[sizeobj['name']] = []
1009             thumbnail_videos ||= {}
1010             thumbnail_videos[sizeobj['name']] = []
1011         end
1012         #- a special dummy size to keep 'references' to thumbnails in case of panorama, because the GUI will use the regular thumbnails
1013         thumbnail_images['dont-delete-file-for-gui'] = []
1014         if $limit_sizes =~ /original/
1015             fullscreen_images['original'] = []
1016             fullscreen_videos['original'] = []
1017         end
1018
1019         images.size >= 1 and msg 3, _("\tcreating photos thumbnails...")
1020
1021         #- create thumbnails for images
1022         images.each { |img|
1023             info("processing element")
1024             base_dest_img = dest_dir + '/' + make_dest_filename(img.sub(/\.[^\.]+$/, ''))
1025             elem = optelements['image|' + utf8(img)]
1026             if $forgui
1027                 thumbnail_dest_img = base_dest_img + "-#{$default_size['thumbnails']}.jpg"
1028                 gen_thumbnails_element("#{dir}/#{img}", elem, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
1029             else
1030                 todo = []
1031                 for sizeobj in $images_size
1032                     size_fullscreen = sizeobj['fullscreen']
1033                     size_thumbnails = sizeobj['thumbnails']
1034                     fullscreen_dest_img = base_dest_img + "-#{size_fullscreen}.jpg"
1035                     fullscreen_images[sizeobj['name']] << File.basename(fullscreen_dest_img)
1036                     todo << { 'filename' => fullscreen_dest_img, 'size' => size_fullscreen }
1037                     if pano = pano_amount(elem)
1038                         thumbnail_images['dont-delete-file-for-gui'] << File.basename(base_dest_img + "-#{size_thumbnails}.jpg")
1039                         size_thumbnails = size_thumbnails.sub(/(\d+)/) { ($1.to_i * pano).to_i }
1040                     end
1041                     thumbnail_dest_img = base_dest_img + "-#{size_thumbnails}.jpg"
1042                     thumbnail_images[sizeobj['name']] << File.basename(thumbnail_dest_img)
1043                     todo << { 'filename' => thumbnail_dest_img,  'size' => size_thumbnails }
1044                 end
1045                 gen_thumbnails_element("#{dir}/#{img}", elem, true, todo)
1046                 if $limit_sizes =~ /original/
1047                     fullscreen_images['original'] << img
1048                 end
1049                 destimg = "#{dest_dir}/#{img}"
1050                 if $limit_sizes =~ /original/ && !File.exists?(destimg)
1051                     if $hardlinks_ok
1052                         if ! sys("ln '#{dir}/#{img}' '#{destimg}'")
1053                             $hardlinks_ok = false
1054                         end
1055                     end
1056                     if ! $hardlinks_ok
1057                         psys("cp '#{dir}/#{img}' '#{destimg}'")
1058                     end
1059                 end
1060             end
1061         }
1062
1063         videos.size >= 1 and msg 3, _("\tcreating videos thumbnails...")
1064         transcoded_videos = {}
1065         flv_videos = {}
1066
1067         #- create thumbnails for videos
1068         videos.each { |video|
1069             info("processing element")
1070             base_dest_img = dest_dir + '/' + make_dest_filename(video.sub(/\.[^\.]+$/, ''))
1071             elem = optelements['video|' + utf8(video)]
1072             if $forgui
1073                 thumbnail_dest_img = base_dest_img + "-#{$default_size['thumbnails']}.jpg"
1074                 gen_thumbnails_element("#{dir}/#{video}", elem, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
1075             else
1076                 todo = []
1077                 for sizeobj in $images_size
1078                     size_fullscreen = sizeobj['fullscreen']
1079                     size_thumbnails = sizeobj['thumbnails']
1080                     fullscreen_dest_img = base_dest_img + "-#{size_fullscreen}.jpg"
1081                     fullscreen_videos[sizeobj['name']] << File.basename(fullscreen_dest_img)
1082                     todo << { 'filename' => fullscreen_dest_img, 'size' => size_fullscreen }
1083                     thumbnail_dest_img = base_dest_img + "-#{size_thumbnails}.jpg"
1084                     thumbnail_videos[sizeobj['name']] << File.basename(thumbnail_dest_img)
1085                     todo << { 'filename' => thumbnail_dest_img, 'size' => size_thumbnails }
1086                 end
1087                 gen_thumbnails_element("#{dir}/#{video}", elem, true, todo)
1088
1089                 if $transcode_videos
1090                     parts = $transcode_videos.split(':', 2)
1091                     basedestvideo = video.sub(/\.\w+/, '') + '.' + parts[0]
1092                     transcoded_videos[video] = basedestvideo
1093                     destvideo = "#{dest_dir}/#{basedestvideo}"
1094                     if ! File.exists?(destvideo)
1095                         psys(parts[1].gsub(/%f/, "'#{dir}/#{video}'").gsub(/%o/, "'#{destvideo}'"))
1096                     end
1097
1098                 elsif $flv_generator
1099                     basedestvideo = video.sub(/\.\w+/, '') + '.flv'
1100                     flv_videos[video] = basedestvideo
1101                     destvideo = "#{dest_dir}/#{basedestvideo}"
1102                     if File.exists?(destvideo) && File.size(destvideo) == 0
1103                         File.delete(destvideo)
1104                     end
1105                     if ! File.exists?(destvideo)
1106                         psys($flv_generator.gsub(/%f/, "'#{dir}/#{video}'").gsub(/%o/, "'#{destvideo}'"))
1107                     end
1108
1109                 else
1110                     destvideo = "#{dest_dir}/#{video}"
1111                     if ! File.exists?(destvideo)
1112                         if $hardlinks_ok
1113                             if ! sys("ln '#{dir}/#{video}' '#{destvideo}'")
1114                                 $hardlinks_ok = false
1115                             end
1116                         end
1117                         if ! $hardlinks_ok
1118                             psys("cp '#{dir}/#{video}' '#{destvideo}'")
1119                         end
1120                     end
1121                 end
1122             end
1123         }
1124
1125         if !$forgui            
1126             #- cleanup old images/videos (for when removing elements or sizes)
1127             all_elements = fullscreen_images.collect { |e| e[1] }.flatten.
1128                      concat(thumbnail_images.collect { |e| e[1] }.flatten).
1129                      concat(fullscreen_videos.collect { |e| e[1] }.flatten).
1130                      concat(thumbnail_videos.collect { |e| e[1] }.flatten).
1131                      concat($transcode_videos ? transcoded_videos.values : $flv_generator ? flv_videos.values : videos).
1132                      push('.htaccess')
1133             to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?(File.join(dest_dir, e)) && !all_elements.include?(e) && e !~ /^thumbnails-\w+\.jpg/ }
1134             if to_del.size > 0
1135                 msg 3, _("\tcleaning up: #{to_del.join(', ')}")
1136                 File.delete(*to_del.collect { |e| File.join(dest_dir, e) })
1137             end
1138
1139             #- copy any resource file that goes with the theme (css, images..)
1140             themestuff = Dir.entries("#{$themedir}").
1141                              find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata root).include?(e) }
1142             themestuff.each { |entry|
1143                 if !File.exists?(File.join(dest_dir, entry))
1144                     psys("cp '#{$themedir}/#{entry}' '#{dest_dir}'")
1145                 end
1146             }
1147             
1148             #- copy any root-only resource file that goes with the theme (css, images..)
1149             if xmldir.parent.name != 'dir'
1150                 themestuff_root = Dir.entries("#{$themedir}/root").
1151                                       find_all { |e| !%w(. ..).include?(e) }
1152                 themestuff_root.each { |entry|
1153                     if !File.exists?(File.join(dest_dir, entry))
1154                         psys("cp '#{$themedir}/root/#{entry}' '#{dest_dir}'")
1155                     end
1156                 }
1157                 #- copy flowplayer stuff if needed
1158                 if $flv_generator
1159                     psys("cp #{$FPATH}/flowplayer/flowplayer* '#{dest_dir}'")
1160                 end
1161             end
1162             
1163             msg 3, _("\tgenerating HTML pages...")
1164             #- fixup max per page
1165             if $N_per_page
1166                 $N_per_page = $N_per_page.to_i / ($N_per_row || $default_N).to_i * ($N_per_row || $default_N).to_i
1167             end
1168
1169             #- generate thumbnails*.html (page with thumbnails)
1170             element2thumbnailpage4js = []
1171             for sizeobj in $images_size
1172                 info("processing size")
1173                 html = $html_thumbnails.collect { |l| l.clone }
1174                 iterations = {}
1175                 for i in html
1176                     i.sub!(/~~title~~/, quote_caption(xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir))))
1177                     i.sub!(/~~flowplayer_head_code~~/, ($flv_generator && videos.size > 0) ? '<script type="text/javascript" src="~~pathtobase~~flowplayer-3.1.4.min.js"></script>' : '')
1178                     discover_iterations(iterations, i)
1179                 end
1180                 all_pages = []
1181                 html_thumbnails = ''
1182                 html_thumbnails_nojs = ''
1183                 counter = 0
1184                 pagecount = 0
1185                 reset_iterations(iterations)
1186                 #- preprocess the @filename->elem, rexml is very slow with that; we dramatically improve this part of the processing
1187                 optfilename = {}
1188                 xmldir.elements.each('image') { |elem|
1189                     optfilename[elem.attributes['filename']] = elem
1190                 }
1191                 for file in entries
1192                     type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1193                     if type
1194                         homogeinize_width = 100 / ($N_per_row || $default_N).to_i
1195                         if type == 'image' && elem = optfilename[utf8(file)]
1196                             if pano = pano_amount(elem)
1197                                 html_elem = run_iterations(iterations, pano)
1198                                 counter += count = pano.ceil
1199                                 html_elem.gsub!(/~~colspan~~/) { "colspan=\"#{count}\"" }
1200                                 homogeinize_width *= count
1201                             else
1202                                 html_elem = run_iterations(iterations, 1)
1203                                 counter += 1
1204                                 html_elem.gsub!(/~~colspan~~/, '')
1205                             end
1206                         else 
1207                             html_elem = run_iterations(iterations, 1)
1208                             counter += 1
1209                             html_elem.gsub!(/~~colspan~~/, '')
1210                         end
1211                         html_elem.gsub!(/~~homogeinize_width~~/) { "width=\"#{homogeinize_width}%\"" }
1212                         if type == 'image'
1213                             index = images.index(file)
1214                             caption = find_caption_value(xmldir, images[index]) || utf8(images[index])
1215                             html_elem.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1216                             html_elem.gsub!(/~~ifimage\?~~(.+?)~~fi~~/) { $1 }
1217                             html_elem.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/, '')
1218                         elsif type == 'video'
1219                             index = videos.index(file)
1220                             caption = find_caption_value(xmldir, videos[index]) || utf8(videos[index])
1221                             if File.exists?("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}")
1222                                 video_preview = '<div class="thumbnail_video">' + img_element("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}", caption) + '</div>'
1223                             else
1224                                 video_preview = defer_translation(N_("(no preview)"))
1225                             end
1226                             if $flv_generator
1227                                 size = get_image_size("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}")
1228                                 if ! size
1229                                     sizeobj['thumbnails'] =~ /(\d+)x(\d+)/
1230                                     size = { :x => $1, :y => $2 }
1231                                 end
1232                                 sizespec = 'width:' + size[:x].to_s + 'px;height:' + (size[:y] + 24).to_s + 'px'
1233                                 image_iteration = '<a href="' + flv_videos[videos[index]] + '" style="display:block;' + sizespec + '"' +
1234                                                   '   id="player' + index.to_s + '">' + video_preview +
1235                                                   '<img src="~~pathtobase~~play_video.png" style="position:relative;top:-' + ((size[:y]+48)/2).to_s + 'px;border:0;background-color:transparent"/></a>' +
1236                                                   '<script>flowplayer("player' + index.to_s + '", "~~pathtobase~~flowplayer-3.1.5.swf")</script>'
1237                                 html_elem.gsub!(/~~image_iteration~~/, apply_hook(:image_iteration, image_iteration, 'video'))
1238                             else
1239                                 html_elem.gsub!(/~~image_iteration~~/,
1240                                                 '<a href="' + ( $transcode_videos ? transcoded_videos[videos[index]] : videos[index] ) + '">' +
1241                                                     video_preview + '</a>')
1242                             end
1243                             html_elem.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1244                             html_elem.gsub!(/~~ifimage\?~~(.+?)~~fi~~/, '')
1245                             html_elem.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/) { $1 }
1246                         end
1247                         html_thumbnails += html_elem
1248                         html_thumbnails_nojs += html_elem
1249                         if type == 'image'
1250                             img_preview = '<div class="thumbnail_image">' + img_element("#{dest_dir}/#{thumbnail_images[sizeobj['name']][index]}", caption) + '</div>'
1251                             html_thumbnails.gsub!(/~~image_iteration~~/,
1252                                                   '<a href="image-' + size2js(sizeobj['name']) + $htmlsuffix + '#current=' + fullscreen_images[sizeobj['name']][index] +
1253                                                       '" name="' + fullscreen_images[sizeobj['name']][index] + '">' + img_preview + '</a>')
1254                             html_thumbnails_nojs.gsub!(/~~image_iteration~~/, 
1255                                                        '<a href="' + fullscreen_images[sizeobj['name']][index] + '" name="' + fullscreen_images[sizeobj['name']][index] + '">' +
1256                                                        img_preview + '</a>')
1257                         end
1258                         #- remember in which thumbnails page is this element, for element->thumbnail link
1259                         if sizeobj == $images_size[0]
1260                             element2thumbnailpage4js << pagecount
1261                         end
1262
1263                         if counter == $N_per_page
1264                             html_thumbnails      += close_iterations(iterations)
1265                             html_thumbnails_nojs += close_iterations(iterations)
1266                             all_pages << [ html_thumbnails, html_thumbnails_nojs ]
1267                             html_thumbnails = ''
1268                             html_thumbnails_nojs = ''
1269                             counter = 0
1270                             reset_iterations(iterations)
1271                             pagecount += 1
1272                         end
1273                     end
1274                 end
1275                 if counter > 0
1276                     html_thumbnails      += close_iterations(iterations)
1277                     html_thumbnails_nojs += close_iterations(iterations)
1278                     all_pages << [ html_thumbnails, html_thumbnails_nojs ]
1279                 end
1280                 for i in html
1281                     i.gsub!(/~~theme~~/, $theme)
1282                     i.gsub!(/~~current_size~~/, sizeobj['name'])
1283                     i.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
1284                     i.gsub!(/~~current_size_js~~/, size2js(sizeobj['name']))
1285                     i.gsub!(/~~madewith~~/, $madewith || '')
1286                     i.gsub!(/~~indexlink~~/, $indexlink || '')
1287                     substitute_addthis(i)
1288                     substitute_navigation(i, xmldir)
1289                 end
1290                 html_nojs = html.collect { |l| l.clone }
1291                 pagecount = 0
1292                 for page in all_pages
1293                     html_thumbnails, html_thumbnails_nojs = page
1294                     final_html = html.collect { |l| l.clone }
1295                     mstuff = defer_translation(N_("Pages: ")) +
1296                              (pagecount > 0 ? "<a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{pagecount - 1}#{$htmlsuffix}\">" + defer_translation(N_("<- Previous")) + "</a> " : '') +
1297                              all_pages.collect_with_index { |p,idx| page == p ? idx + 1 : "<a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{idx}#{$htmlsuffix}\">#{idx + 1}</a>" }.join(', ') +
1298                              (pagecount < all_pages.size - 1 ? " <a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{pagecount + 1}#{$htmlsuffix}\">" + defer_translation(N_("Next ->")) + "</a> " : '')
1299                     for i in final_html
1300                         i.sub!(/~~run_slideshow~~/,
1301                                entries.size <= 1 ? '' : '<a href="image-' + size2js(sizeobj['name']) + $htmlsuffix + '#run_slideshow=1">' + defer_translation(N_("Run slideshow!"))+'</a>')
1302                         i.sub!(/~~thumbnails~~/, html_thumbnails)
1303                         if all_pages.size == 1
1304                             i.gsub!(/~~ifmultiplepages\?~~.*~~fi~~/, '')
1305                         else
1306                             i.gsub!(/~~ifmultiplepages\?~~(.+?)~~fi~~/) { $1 }
1307                             i.gsub!(/~~multiplepagesstuff~~/, mstuff.gsub('%nojs', ''))
1308                         end
1309                         substitute_html_sizes(i, sizeobj, 'thumbnails', "-#{pagecount}")
1310                         substitute_pathtobase(i, xmldir)
1311                     end
1312                     save_html(final_html, "#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}-#{pagecount}")
1313                     final_html_nojs = html_nojs.collect { |l| l.clone }
1314                     for i in final_html_nojs
1315                         i.sub!(/~~run_slideshow~~/, defer_translation(N_("<i>Click on an image to view it larger</i>")))
1316                         i.sub!(/~~thumbnails~~/, html_thumbnails_nojs)
1317                         if all_pages.size == 1
1318                             i.gsub!(/~~ifmultiplepages\?~~.*~~fi~~/, '')
1319                         else
1320                             i.gsub!(/~~ifmultiplepages\?~~(.+?)~~fi~~/) { $1 }
1321                             i.gsub!(/~~multiplepagesstuff~~/, mstuff.gsub('%nojs', '-nojs'))
1322                         end
1323                         substitute_html_sizes(i, sizeobj, 'thumbnails', "-nojs-#{pagecount}")
1324                         substitute_pathtobase(i, xmldir)
1325                     end
1326                     save_html(final_html_nojs, "#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}-nojs-#{pagecount}")
1327                     pagecount += 1
1328                 end
1329             end
1330
1331             info("finished processing sizes")
1332
1333             #- generate "main" thumbnails.html page that will reload to correct size thanks to cookie
1334             save_html(html_reload_to_thumbnails, "#{dest_dir}/thumbnails")
1335
1336             #- generate image.html (page with fullscreen images)
1337             captions4js = []
1338             types4js = []
1339             videos4js = []
1340             for file in entries
1341                 type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1342                 if type
1343                     caption = find_caption_value(xmldir, file)
1344                     if caption
1345                         captions4js << '"' + quote_caption(caption, true) + '"'
1346                     else
1347                         captions4js << '""'
1348                     end
1349                     types4js << '"' + type + '"'
1350                     if type == 'video'
1351                         index = videos.index(file)
1352                         if $flv_generator
1353                             videos4js << '"' + flv_videos[videos[index]] + '"'
1354                         else
1355                             videos4js << '"' + videos[index] + '"'
1356                         end
1357                     else
1358                         videos4js << '""'
1359                     end
1360                 end
1361             end
1362
1363             for sizeobj in $images_size
1364                 elements4js = []
1365                 videoswidths4js = []
1366                 videosheights4js = []
1367                 for file in entries
1368                     type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1369                     if type
1370                         if type == 'image'
1371                             index = images.index(file)
1372                             elements4js << '"' + fullscreen_images[sizeobj['name']][index] + '"'
1373                             videoswidths4js << "''"
1374                             videosheights4js << "''"
1375                         else
1376                             index = videos.index(file)
1377                             elements4js << '"' + fullscreen_videos[sizeobj['name']][index] + '"'
1378                             size = get_image_size("#{dest_dir}/#{fullscreen_videos[sizeobj['name']][index]}")
1379                             videoswidths4js << size[:x].to_s
1380                             videosheights4js << size[:y].to_s
1381                         end
1382                     end
1383                 end
1384
1385                 html = $html_images.collect { |l| l.clone }
1386                 hiddenimages4remotes = '<span style="display:none">' + thumbnail_images[sizeobj['name']][0..4].collect { |e| "<img src=\"#{e}\"/>" }.join('') + '</span>'
1387                 otherelements4js = ''
1388                 othersizes = []
1389                 for sizeobj2 in all_images_sizes
1390                     if sizeobj != sizeobj2
1391                         oe4js = []
1392                         for file in entries
1393                             type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1394                             if type
1395                                 if type == 'image'
1396                                     index = images.index(file)
1397                                     oe4js << '"' + fullscreen_images[sizeobj2['name']][index] + '"'
1398                                 elsif sizeobj2['name'] != 'original'
1399                                     index = videos.index(file)
1400                                     oe4js << '"' + fullscreen_videos[sizeobj2['name']][index] + '"'
1401                                 end
1402                             end
1403                         end
1404                         otherelements4js += "var elements_#{size2js(sizeobj2['name'])} = new Array(" + oe4js.join(', ') + ");\n"
1405                         othersizes << "\"#{size2js(sizeobj2['name'])}\""
1406                     end
1407                 end
1408                 for i in html
1409                     i.gsub!(/~~images~~/, elements4js.join(', '))
1410                     i.gsub!(/~~types~~/, types4js.join(', '))
1411                     i.gsub!(/~~videos~~/, videos4js.join(', '))
1412                     i.gsub!(/~~videos_widths~~/, videoswidths4js.join(', '))
1413                     i.gsub!(/~~videos_heights~~/, videosheights4js.join(', '))
1414                     i.gsub!(/~~hidden_images_for_remotes~~/, hiddenimages4remotes)
1415                     i.gsub!(/~~other_images~~/, otherelements4js)
1416                     i.gsub!(/~~thumbnailspages~~/, element2thumbnailpage4js.collect { |e| "\"#{e}\"" }.join(', '))
1417                     i.gsub!(/~~other_sizes~~/, othersizes.join(', '))
1418                     i.gsub!(/~~captions~~/, captions4js.join(', '))
1419                     i.gsub!(/~~title~~/, quote_caption(xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir))))
1420                     if $flv_generator && videos.size > 0
1421                         i.sub!(/~~flowplayer_head_code~~/, '<script type="text/javascript" src="~~pathtobase~~flowplayer-3.1.4.min.js"></script>')
1422                         i.sub!(/~~flowplayer_active~~/, 'true')
1423                     else
1424                         i.sub!(/~~flowplayer_head_code~~/, '')
1425                         i.sub!(/~~flowplayer_active~~/, 'false')
1426                     end
1427
1428                     i.gsub!(/~~thumbnails~~/, '<a id="thumbnails">' + defer_translation(N_('return to thumbnails')) + '</a>')
1429                     i.gsub!(/~~theme~~/, $theme)
1430                     i.gsub!(/~~current_size~~/, size2js(sizeobj['name']))
1431                     i.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
1432                     i.gsub!(/~~madewith~~/, $madewith || '')
1433                     i.gsub!(/~~indexlink~~/, $indexlink || '')
1434                     substitute_addthis(i)
1435                     substitute_html_sizes(i, sizeobj, 'image', '')
1436                     substitute_navigation(i, xmldir)
1437                     substitute_pathtobase(i, xmldir)
1438                 end
1439                 save_html(html, "#{dest_dir}/image-#{size2js(sizeobj['name'])}")
1440             end
1441         end
1442     }
1443
1444     msg 3, ''
1445
1446     #- add attributes to <dir..> elements needing so
1447     if $mode != 'use_config'
1448         msg 3, _("\tfixating configuration file...")
1449         $xmldoc.elements.each('//dir') { |element|
1450             path = captionpath = element.attributes['path']
1451             descendant_element = nil
1452             #- search if there is at least one image or video down that dir; use workarounds to rexml slowness
1453             #- first, look down only one level, very fast
1454             first_desc = nil
1455             element.elements.each { |elem|
1456                 if first_desc.nil?
1457                     first_desc = elem
1458                 end
1459                 if elem.name == 'image' || elem.name == 'video'
1460                     descendant_element = elem
1461                     break
1462                 end
1463             }
1464             if descendant_element.nil?
1465                 #- if there was nothing or only directory down one level, look down the first subdir
1466                 if ! first_desc.nil?
1467                     first_desc.elements.each { |elem|
1468                         if elem.name == 'image' || elem.name == 'video'
1469                             descendant_element = elem
1470                             break
1471                         end
1472                     }
1473                 end
1474                 if descendant_element.nil?
1475                     #- if there was still nothing found, use complete albeit slow method
1476                     descendant_element = element.elements['descendant::image'] || element.elements['descendant::video']
1477                 end
1478             end
1479             if !descendant_element
1480                 msg 3, _("\t\tremoving %s, no element in it") % path
1481                 element.remove  #- means we have a directory with nothing interesting in it
1482             else
1483                 captionfile = "#{descendant_element.parent.attributes['path']}/#{descendant_element.attributes['filename']}"
1484                 basename = File.basename(path)
1485                 if element.elements['dir']
1486                     if !element.attributes['subdirs-caption']
1487                         element.add_attribute('subdirs-caption', basename)
1488                     end
1489                     if !element.attributes['subdirs-captionfile']
1490                         element.add_attribute('subdirs-captionfile', captionfile)
1491                     end
1492                 end
1493                 if element.child_byname_notattr('image', 'deleted') || element.child_byname_notattr('video', 'deleted')
1494                     if !element.attributes['thumbnails-caption']
1495                         element.add_attribute('thumbnails-caption', basename)
1496                     end
1497                     if !element.attributes['thumbnails-captionfile']
1498                         element.add_attribute('thumbnails-captionfile', captionfile)
1499                     end
1500                 end
1501             end
1502         }
1503     end
1504
1505     #- write down to disk config if necessary
1506     if $config_writeto
1507         ios = File.open($config_writeto, "w")
1508         $xmldoc.write(ios)
1509         ios.close
1510     end
1511
1512     if $forgui
1513         msg 3, _("completed necessary stuff for GUI, exiting.")
1514         return
1515     end
1516
1517     #- second pass to create index.html files and previous/next links
1518     info("creating index.html")
1519     msg 3, _("\trescanning directories to generate all 'index.html' files...")
1520
1521     #- recompute the memoization because elements mights have been removed (the ones with no element in them)
1522     optxpath = {}
1523     $xmldoc.elements.each('//dir') { |elem|
1524         optxpath[elem.attributes['path']] = elem
1525     }
1526
1527     examined_dirs.each { |dir|
1528         info("index.html: #{dir}|#{$source}")
1529
1530         xmldir = optxpath[utf8(dir)]
1531         if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
1532             next
1533         end
1534         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
1535
1536         previous_album = find_previous_album(xmldir)
1537         next_album = find_next_album(xmldir)
1538
1539         if xmldir.elements['dir']
1540             html = $html_index.collect { |l| l.clone }
1541             iterations = {}
1542             for i in html
1543                 caption = xmldir.attributes['subdirs-caption']
1544                 i.gsub!(/~~title~~/, quote_caption(caption))
1545                 substitute_navigation(i, xmldir)
1546                 substitute_pathtobase(i, xmldir)
1547                 discover_iterations(iterations, i)
1548             end
1549             
1550             html_index = ''
1551             reset_iterations(iterations)
1552             
1553             #- deal with "current" album (directs to "thumbnails" page)
1554             if xmldir.attributes['thumbnails-caption']
1555                 thumbnail = "#{dest_dir}/thumbnails-thumbnail.jpg"
1556                 gen_thumbnails_subdir(from_utf8(xmldir.attributes['thumbnails-captionfile']), xmldir, false,
1557                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], 'thumbnails')
1558                 html_index += run_iterations(iterations, 1)
1559                 caption = xmldir.attributes['thumbnails-caption']
1560                 html_index.gsub!(/~~image_iteration~~/, "<a href=\"thumbnails#{$htmlsuffix}\">" + img_element(thumbnail, caption) + '</a>')
1561                 html_index.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1562             end
1563
1564             #- deal with sub-albums (direct to subdirs/index.html pages)
1565             xmldir.elements.each('dir') { |child|
1566                 if child.attributes['deleted']
1567                     next
1568                 end
1569                 subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
1570                 thumbnail = "#{dest_dir}/thumbnails-#{subdir}.jpg"
1571                 html_index += run_iterations(iterations, 1)
1572                 captionfile, caption = find_subalbum_caption_info(child)
1573                 gen_thumbnails_subdir(captionfile, child, false,
1574                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], find_subalbum_info_type(child))
1575                 html_index.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1576                 html_index.gsub!(/~~image_iteration~~/, "<a href=\"#{subdir}/index#{$htmlsuffix}\">" + img_element(thumbnail, caption) + '</a>')
1577             }
1578
1579             html_index += close_iterations(iterations)
1580
1581             for i in html
1582                 i.gsub!(/~~thumbnails~~/, html_index)
1583                 i.gsub!(/~~madewith~~/, $madewith || '')
1584                 i.gsub!(/~~indexlink~~/, $indexlink || '')
1585                 substitute_addthis(i)
1586             end
1587             
1588         else
1589             html = html_reload_to_thumbnails
1590         end
1591
1592         save_html(html, "#{dest_dir}/index")
1593         if $multi_languages
1594             #- in case MultiViews will not work, generate some compat
1595             ios = File.open("#{dest_dir}/index.html", "w")
1596             ios.write("<html><head><meta http-equiv=\"refresh\" content=\"0.1;url=index.#{$multi_languages[1]}.html\"></head></html>")
1597             ios.close
1598         end
1599
1600         #- substitute multiple "return to albums", previous/next correctly
1601         #- the following two statements are dramatical optimizations to executing for each substInFile callback
1602         dirpresent = xmldir.elements['dir']
1603         parentname = xmldir.parent.name
1604         if xmldir.child_byname_notattr('image', 'deleted') || xmldir.child_byname_notattr('video', 'deleted')
1605             for suffix in [ '', '-nojs' ]
1606                 for sizeobj in $images_size
1607                     Dir.glob("#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}#{suffix}-*.html") do |file|
1608                         #- unroll translations, they are costly if rerun for each line of files
1609                         rta = find_translation_for_file(file, N_('return to albums'))
1610                         pa = find_translation_for_file(file, N_('previous album'))
1611                         na = find_translation_for_file(file, N_('next album'))
1612                         substInFile(file) { |line|
1613                             sub_previous_next_album(file, previous_album, next_album, line, pa, na)
1614                             if dirpresent
1615                                 line.sub!(/~~return_to_albums~~/, '<a href="index' + $htmlsuffix + '">' + rta + '</a>')
1616                             else
1617                                 if parentname == 'dir'
1618                                     line.sub!(/~~return_to_albums~~/, '<a href="../index' + $htmlsuffix + '">' + rta + '</a>')
1619                                 else
1620                                     line.sub!(/~~return_to_albums~~/, '')
1621                                 end
1622                             end
1623                             line
1624                         }
1625                     end
1626                     if suffix == '' && xmldir.child_byname_notattr('image', 'deleted')
1627                         Dir.glob("#{dest_dir}/image-#{size2js(sizeobj['name'])}*.html") do |file|
1628                             pa = find_translation_for_file(file, N_('previous album'))
1629                             na = find_translation_for_file(file, N_('next album'))
1630                             substInFile(file) { |line|
1631                                 sub_previous_next_album(file, previous_album, next_album, line, pa, na)
1632                             }
1633                         end
1634                     end
1635                 end
1636             end
1637         end
1638     }
1639
1640     msg 3, _(" all done.")
1641 end
1642
1643 handle_options
1644 read_config
1645 check_installation
1646
1647 build_html_skeletons
1648
1649 walk_source_dir
1650 exit(0)