git.zarb.org Git - booh/blob - 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) 2004-2011 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 begin
  23     require 'rubygems'
  24 rescue LoadError
  25 end
  26
  27 require 'getoptlong'
  28 begin
  29     #- new style (ruby-locale separated package)
  30     require 'locale'
  31 rescue LoadError
  32     #- old style (locale stuff in ruby-gettext package)
  33     require 'gettext/locale'
  34 end
  35 require 'gettext'
  36 include GetText
  37 require 'booh/rexml/document'
  38 include REXML
  39
  40 require 'booh/booh-lib'
  41 require 'booh/html-merges'
  42
  43 #- bind text domain as soon as possible because some _() functions are called early to build data structures
  44 bindtextdomain("booh")
  45 #- save locale for restoring for multi languages
  46 $default_locale = Locale.get
  47
  48 #- options
  49 $options = [
  50     [ '--help',          '-h', GetoptLong::NO_ARGUMENT, _("Get help message") ],
  51     [ '--version',       '-V', GetoptLong::NO_ARGUMENT, _("Print version and exit") ],
  52
  53     [ '--source',        '-s', GetoptLong::REQUIRED_ARGUMENT, _("Directory which contains original photos/videos as files or subdirs") ],
  54     [ '--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!") ],
  55
  56     [ '--theme',         '-t', GetoptLong::REQUIRED_ARGUMENT, _("Select HTML theme to use") ],
  57     [ '--config',        '-C', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing photos and videos within directories with captions") ],
  58     [ '--config-skel',   '-k', GetoptLong::REQUIRED_ARGUMENT, _("Filename where the script will output a config skeleton") ],
  59     [ '--merge-config',  '-M', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to merge new/removed photos/videos from --source, and change theme info") ],
  60     [ '--merge-config-onedir',  '-O', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the subdir specified with --dir") ],
  61     [ '--merge-config-subdirs', '-U', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the new subdirs down the subdir specified with --dir") ],
  62     [ '--dir',           '-D', GetoptLong::REQUIRED_ARGUMENT, _("Directory for merge with --merge-config-onedir or --merge-config-subdirs") ],
  63     [ '--use-config',    '-u', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to change theme info") ],
  64     [ '--force',         '-f', GetoptLong::NO_ARGUMENT, _("Force generation of album even if the GUI marked some directories as already generated") ],
  65
  66     [ '--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)") ],
  67     [ '--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(', ') ],
  68     [ '--thumbnails-per-row', '-T', GetoptLong::REQUIRED_ARGUMENT, _("Specify the amount of thumbnails per row in the thumbnails page (if applicable in theme)") ],
  69     [ '--thumbnails-per-page', '-p', GetoptLong::REQUIRED_ARGUMENT, _("Specify the amount of thumbnails per page in the thumbnails page, after which split occurs") ],
  70     [ '--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)") ],
  71     [ '--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") ],
  72     [ '--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)") ],
  73     [ '--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)") ],
  74     [ '--addthis', '-a', GetoptLong::NO_ARGUMENT, _("Include the 'addthis' bookmarking and sharing button") ],
  75     [ '--made-with',     '-n', GetoptLong::REQUIRED_ARGUMENT, _("Specify the HTML markup to use on the bottom of pages for a small 'made with' message") ],
  76     [ '--quote-html',    '-q', GetoptLong::NO_ARGUMENT, _("Quote HTML markup in captions") ],
  77     [ '--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") ],
  78
  79     [ '--mproc',         '-m', GetoptLong::REQUIRED_ARGUMENT, _("Specify the number of processors for multi-processors machines") ],
  80
  81     [ '--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)") ],
  82
  83     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
  84     [ '--info-pipe',     '-i', GetoptLong::REQUIRED_ARGUMENT, _("Name a file where to write information about what's going on (used by the GUI)") ],
  85 ]
  86
  87 #- default values for some globals
  88 $switches = []
  89 $stdout.sync = true
  90 $no_identify = false
  91 $ignore_videos = false
  92 $forgui = false
  93 $hardlinks_ok = true
  94
  95 def usage
  96     puts _("Usage: %s [OPTION]...") % File.basename($0)
  97     $options.each { |ary|
  98         printf " %3s, %-18s %s\n", ary[1], ary[0], ary[3]
  99     }
 100 end
 101
 102 def handle_options
 103     parser = GetoptLong.new
 104     parser.set_options(*$options.collect { |ary| ary[0..2] })
 105     begin
 106         parser.each_option do |name, arg|
 107             case name
 108             when '--help'
 109                 usage
 110                 exit(0)
 111
 112             when '--version'
 113                 puts _("Booh version %s
 114
 115 Copyright (c) 2005-2011 Guillaume Cottenceau.
 116 This is free software; see the source for copying conditions.  There is NO
 117 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") % $VERSION
 118
 119                 exit(0)
 120
 121             when '--source'
 122                 $source = File.expand_path(arg.sub(%r|/$|, ''))
 123                 if !File.directory?($source)
 124                     die _("Argument to --source must be a directory")
 125                 end
 126             when '--destination'
 127                 $dest = File.expand_path(arg.sub(%r|/$|, ''))
 128                 if File.exists?($dest) && !File.directory?($dest)
 129                     die _("If --destination exists, it must be a directory")
 130                 end
 131                 if $dest != make_dest_filename($dest)
 132                     die _("Sorry, destination directory can't contain non simple alphanumeric characters.")
 133                 end
 134 #            when '--clean'
 135 #                system("rm -rf #{$dest}")
 136
 137             when '--theme'
 138                 $theme = arg
 139             when '--config'
 140                 arg = File.expand_path(arg)
 141                 if File.readable?(arg)
 142                     $xmldoc = REXML::Document.new File.new(arg)
 143                     $mode = 'use_config'
 144                 else
 145                     die _('Config file does not exist or is unreadable.')
 146                 end
 147             when '--config-skel'
 148                 arg = File.expand_path(arg)
 149                 if File.exists?(arg)
 150                     if File.directory?(arg)
 151                         die _("Config skeleton file (%s) already exists and is a directory! Please change the filename.") % arg
 152                     else
 153                         msg 1, _("Config skeleton file already exists, backuping to %s.backup") % arg
 154                         File.rename(arg, "#{arg}.backup")
 155                     end
 156                 end
 157                 $config_writeto = arg
 158                 $mode = 'gen_config'
 159             when '--merge-config'
 160                 arg = File.expand_path(arg)
 161                 if File.readable?(arg)
 162                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 163                     $xmldoc = REXML::Document.new File.new(arg)
 164                     File.rename(arg, "#{arg}.backup")
 165                     $config_writeto = arg
 166                     $mode = 'merge_config'
 167                 else
 168                     die _('Config file does not exist or is unreadable.')
 169                 end
 170             when '--merge-config-onedir'
 171                 arg = File.expand_path(arg)
 172                 if File.readable?(arg)
 173                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 174                     $xmldoc = REXML::Document.new File.new(arg)
 175                     File.rename(arg, "#{arg}.backup")
 176                     $config_writeto = arg
 177                     $mode = 'merge_config_onedir'
 178                 else
 179                     die _('Config file does not exist or is unreadable.')
 180                 end
 181             when '--merge-config-subdirs'
 182                 arg = File.expand_path(arg)
 183                 if File.readable?(arg)
 184                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 185                     $xmldoc = REXML::Document.new File.new(arg)
 186                     File.rename(arg, "#{arg}.backup")
 187                     $config_writeto = arg
 188                     $mode = 'merge_config_subdirs'
 189                 else
 190                     die _('Config file does not exist or is unreadable.')
 191                 end
 192             when '--dir'
 193                 arg = File.expand_path(arg)
 194                 if !File.readable?(arg)
 195                     die _('Specified directory to merge with --dir is not readable')
 196                 else
 197                     $onedir = arg
 198                 end
 199             when '--use-config'
 200                 arg = File.expand_path(arg)
 201                 if File.readable?(arg)
 202                     msg 2, _("Use config notice: backuping current config file to %s.backup") % arg
 203                     $xmldoc = REXML::Document.new File.new(arg)
 204                     File.rename(arg, "#{arg}.backup")
 205                     $config_writeto = arg
 206                     $mode = 'use_config_changetheme'
 207                 else
 208                     die _('Config file does not exist or is unreadable.')
 209                 end
 210
 211             when '--sizes'
 212                 $limit_sizes = arg
 213
 214             when '--multi-languages'
 215                 parts = arg.split(',')
 216                 if parts.size == 0 || parts.find_all { |e| ! SUPPORTED_LANGUAGES.include?(e.strip) }.size > 0
 217                     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(', ')
 218                 end
 219                 $multi_languages = [ parts[0..-2], parts[-1] ]
 220
 221             when '--thumbnails-per-row'
 222                 $N_per_row = arg
 223
 224             when '--thumbnails-per-page'
 225                 $N_per_page = arg
 226
 227             when '--optimize-for-32'
 228                 $optimize_for_32 = true
 229
 230             when '--transcode-videos'
 231                 parts = arg.split(':', 2)
 232                 if parts.size != 2 || parts[0] =~ / / || arg !~ /%f/ || arg !~ /%o/
 233                     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")
 234                 end
 235                 $transcode_videos = arg
 236
 237             when '--flv-generator'
 238                 if arg !~ /%f/ || arg !~ /%o/
 239                     die _("--flv-generator: argument must contain %f for the input video and %o for the output video")
 240                 end
 241                 $flv_generator = arg
 242
 243             when '--made-with'
 244                 $madewith = arg
 245
 246             when '--index-link'
 247                 $indexlink = arg
 248
 249             when '--addthis'
 250                 $addthis = true
 251
 252             when '--quote-html'
 253                 $quote_html = true
 254
 255             when '--comments-format'
 256                 $commentsformat = arg
 257
 258             when '--force'
 259                 $force = true
 260
 261             when '--mproc'
 262                 $mproc = arg.to_i
 263                 $pids = []
 264
 265             when '--for-gui'
 266                 $forgui = true
 267
 268             when '--verbose-level'
 269                 $verbose_level = arg.to_i
 270
 271             when '--info-pipe'
 272                 $info_pipe = File.open(arg, File::WRONLY)
 273                 $info_pipe.sync = true
 274             end
 275         end
 276     rescue
 277         puts $!
 278         usage
 279         exit(1)
 280     end
 281
 282     if !$source && $xmldoc
 283         $source = from_utf8($xmldoc.root.attributes['source']).sub(%r|/$|, '')
 284         $dest = from_utf8($xmldoc.root.attributes['destination']).sub(%r|/$|, '')
 285         $theme ||= $xmldoc.root.attributes['theme']
 286         $limit_sizes ||= $xmldoc.root.attributes['limit-sizes']
 287         if $mode == 'use_config' || $mode =~ /^merge_config/
 288             $optimize_for_32 = !$xmldoc.root.attributes['optimize-for-32'].nil?
 289             $N_per_row = $xmldoc.root.attributes['thumbnails-per-row']
 290             languages = $xmldoc.root.attributes['multi-languages']
 291             if languages
 292                 languages = languages.split(',')
 293                 $multi_languages = [ languages[0..-2], languages[-1] ]
 294             end
 295             $N_per_page = $xmldoc.root.attributes['thumbnails-per-page']
 296             $madewith = $xmldoc.root.attributes['made-with']
 297             $indexlink = $xmldoc.root.attributes['index-link']
 298             $addthis = !$xmldoc.root.attributes['addthis'].nil?
 299             $quote_html = !$xmldoc.root.attributes['quote-html'].nil?
 300         end
 301     end
 302
 303     if $mode == 'merge_config_onedir' && !$onedir
 304         die _("Missing --dir for --merge-config-onedir")
 305     end
 306     if $mode == 'merge_config_subdirs' && !$onedir
 307         die _("Missing --dir for --merge-config-subdirs")
 308     end
 309
 310     if !$source
 311         usage
 312         exit(0)
 313     end
 314     if !$dest
 315         die _("Missing --destination parameter.")
 316     end
 317     if !$theme
 318         $theme = 'simple'
 319     end
 320
 321     select_theme($theme, $limit_sizes, $optimize_for_32, $N_per_row)
 322
 323     if !$xmldoc
 324         $xmldoc = Document.new "<booh/>"
 325         $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
 326         $xmldoc.root.add_attribute('version', $VERSION)
 327         $xmldoc.root.add_attribute('source', $source)
 328         $xmldoc.root.add_attribute('destination', $dest)
 329         $xmldoc.root.add_attribute('theme', $theme)
 330         if $limit_sizes
 331             $xmldoc.root.add_attribute('limit-sizes', $limit_sizes)
 332         end
 333         if $multi_languages
 334             $xmldoc.root.add_attribute('multi-languages', $multi_languages[0].join(',') + ',' + $multi_languages[1])
 335         end
 336         if $optimize_for_32
 337             $xmldoc.root.add_attribute('optimize-for-32', 'true')
 338         end
 339         if $N_per_row
 340             $xmldoc.root.add_attribute('thumbnails-per-row', $N_per_row)
 341         end
 342         if $N_per_page
 343             $xmldoc.root.add_attribute('thumbnails-per-page', $N_per_page)
 344         end
 345         if $madewith
 346             $xmldoc.root.add_attribute('made-with', $madewith)
 347         end
 348         if $indexlink
 349             $xmldoc.root.add_attribute('index-link', $indexlink)
 350         end
 351         if $addthis
 352             $xmldoc.root.add_attribute('addthis', 'true')
 353         end
 354         if $quote_html
 355             $xmldoc.root.add_attribute('quote-html', 'true')
 356         end
 357         $mode = 'gen_config'
 358     end
 359
 360     if $mode == 'merge_config' || $mode == 'use_config_changetheme'
 361         $xmldoc.root.add_attribute('theme', $theme)
 362         $xmldoc.root.add_attribute('version', $VERSION)
 363         if $limit_sizes
 364             $xmldoc.root.add_attribute('limit-sizes', $limit_sizes)
 365         else
 366             $xmldoc.root.delete_attribute('limit-sizes')
 367         end
 368         if $multi_languages
 369             $xmldoc.root.add_attribute('multi-languages', $multi_languages[0].join(',') + ',' + $multi_languages[1])
 370         else
 371             $xmldoc.root.delete_attribute('multi-languages')
 372         end
 373
 374         if $optimize_for_32
 375             $xmldoc.root.add_attribute('optimize-for-32', 'true')
 376         else
 377             $xmldoc.root.delete_attribute('optimize-for-32')
 378         end
 379         if $N_per_row
 380             $xmldoc.root.add_attribute('thumbnails-per-row', $N_per_row)
 381         else
 382             $xmldoc.root.delete_attribute('thumbnails-per-row')
 383         end
 384         if $N_per_page
 385             $xmldoc.root.add_attribute('thumbnails-per-page', $N_per_page)
 386         else
 387             $xmldoc.root.delete_attribute('thumbnails-per-page')
 388         end
 389         if $madewith
 390             $xmldoc.root.add_attribute('made-with', $madewith)
 391         else
 392             $xmldoc.root.delete_attribute('made-with')
 393         end
 394         if $indexlink
 395             $xmldoc.root.add_attribute('index-link', $indexlink)
 396         else
 397             $xmldoc.root.delete_attribute('index-link')
 398         end
 399         if $addthis
 400             $xmldoc.root.add_attribute('addthis', 'true')
 401         else
 402             $xmldoc.root.delete_attribute('addthis')
 403         end
 404         if $quote_html
 405             $xmldoc.root.add_attribute('quote-html', 'true')
 406         else
 407             $xmldoc.root.delete_attribute('quote-html')
 408         end
 409     end
 410
 411     if $transcode_videos
 412         $xmldoc.root.add_attribute('transcode-videos', $transcode_videos)
 413     else
 414         $xmldoc.root.delete_attribute('transcode-videos')
 415     end
 416
 417     if $flv_generator
 418         $xmldoc.root.add_attribute('flv-generator', $flv_generator)
 419     else
 420         $xmldoc.root.delete_attribute('flv-generator')
 421     end
 422
 423     if $madewith
 424         $madewith = $madewith.gsub('%booh', '"http://booh.org/"')
 425     end
 426     if $multi_languages
 427         $htmlsuffix = ''
 428     else
 429         $htmlsuffix = '.html'
 430     end
 431 end
 432
 433 def read_config
 434     $config = {}
 435 end
 436
 437 def write_config
 438 end
 439
 440 def info(value)
 441     if $info_pipe
 442         $info_pipe.puts(value)
 443     end
 444 end
 445
 446 def die(value)
 447     if $info_pipe
 448         $info_pipe.puts("die: " + value)
 449     end
 450     die_ value
 451 end
 452
 453 def check_installation
 454     if !system("which convert >/dev/null 2>/dev/null")
 455         die _("The program 'convert' is needed. Please install it.
 456 It is generally available with the 'ImageMagick' software package.")
 457     end
 458     if !system("which identify >/dev/null 2>/dev/null")
 459         msg 1, _("the program 'identify' is needed to get images sizes and EXIF data. Please install it.
 460 It is generally available with the 'ImageMagick' software package.")
 461         $no_identify = true
 462     end
 463     missing = %w(mplayer).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
 464     if missing != []
 465         msg 1, _("the following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')
 466         $ignore_videos = true
 467     end
 468 end
 469
 470 def replace_line(surround, keyword, line)
 471     begin
 472         contents = eval "$#{keyword}"
 473         line.sub!(/#{surround}#{keyword}#{surround}/, contents)
 474     rescue TypeError
 475         die _("No '%s' found for substitution") % keyword
 476     end
 477 end
 478
 479 def build_html_skeletons
 480     $html_images     = File.open("#{$themedir}/skeleton_image.html").readlines
 481     $html_thumbnails = File.open("#{$themedir}/skeleton_thumbnails.html").readlines
 482     $html_index      = File.open("#{$themedir}/skeleton_index.html").readlines
 483     for line in $html_images + $html_thumbnails + $html_index
 484         while line =~ /~~~(\w+)~~~/
 485             replace_line('~~~', $1, line)
 486         end
 487     end
 488 end
 489
 490 def find_caption_value(xmldir, filename)
 491     if cap = xmldir.elements["*[@filename='#{utf8(filename)}']"].attributes['caption']
 492         return cap
 493     else
 494         return nil
 495     end
 496 end
 497
 498 def quote_caption(input, *for_attribute)
 499     if $quote_html
 500         return input.gsub('<', '&lt;').gsub('>', '&gt;').gsub('"', '&quot;').gsub("'", '&#39;').gsub("\n", '<br/>')
 501     elsif for_attribute[0]
 502         return input.gsub('"', '&quot;').gsub("\n", '<br/>')
 503     else
 504         return input.gsub("\n", '<br/>')
 505     end
 506 end
 507
 508 #- stolen from CVSspam
 509 def urlencode(text)
 510   text.sub(/[^a-zA-Z0-9\-,.*_\/]/) do
 511     "%#{sprintf('%2X', $&[0])}"
 512   end
 513 end
 514
 515 def all_images_sizes
 516     return $limit_sizes =~ /original/ ? $images_size + [ { 'name' => 'original' } ] : $images_size
 517 end
 518
 519 def html_reload_to_thumbnails
 520     html_reload_to_thumbnails = $preferred_size_reloader.clone
 521     html_reload_to_thumbnails.gsub!(/~~theme~~/, $theme)
 522     html_reload_to_thumbnails.gsub!(/~~default_size~~/, size2js($default_size['name']))
 523     html_reload_to_thumbnails.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
 524     html_reload_to_thumbnails.gsub!(/~~all_sizes~~/, all_images_sizes.collect { |s| "\"#{size2js(s['name'])}\"" }.join(', '))
 525     size_auto_chooser = '';
 526     all_images_sizes.find_all { |s| s.has_key?('optimizedforwidth') }.
 527                      sort { |a,b| b['optimizedforwidth'].to_i <=> a['optimizedforwidth'].to_i }.
 528                      each { |s| size_auto_chooser += "if (w + 50 > #{s['optimizedforwidth']}) { return 'thumbnails-#{size2js(s['name'])}-0#{$htmlsuffix}'; }\n" }
 529     html_reload_to_thumbnails.gsub!(/~~size_auto_chooser~~/, size_auto_chooser)
 530     return html_reload_to_thumbnails
 531 end
 532
 533 def discover_iterations(iterations, line)
 534     if line =~ /~~iterate(\d)_open(_max(\d+|N))?~~/
 535         for iter in iterations.values
 536             if iter['open']
 537                 iter['open'] = false
 538                 iter['close_wait'] = $1.to_i
 539             end
 540         end
 541         max = $3 == 'N' ? ($N_per_row || $default_N) : $3
 542         iterations[$1.to_i] = { 'open' => true, 'max' => max, 'opening' => '', 'closing' => '' }
 543         if $1.to_i == 1
 544             line.sub!(/.*/, '~~thumbnails~~')
 545         else
 546             line.sub!(/.*/, '')
 547         end
 548     elsif line =~ /~~iterate(\d)_close~~/
 549         iterations[$1.to_i]['open']  = false;
 550         iterations[$1.to_i]['close'] = true;
 551         line.sub!(/.*/, '')
 552     else
 553         for iter in iterations.values
 554             if iter['open']
 555                 iter['opening'] += line
 556                 line.sub!(/.*/, '')
 557             end
 558             if !iter['close'] && iter['close_wait'] && iterations[iter['close_wait']]['close']
 559                 iter['closing'] += line
 560                 line.sub!(/.*/, '')
 561             end
 562         end
 563     end
 564 end
 565
 566 def reset_iterations(iterations)
 567     for iter in iterations.values
 568         iter['value'] = 0
 569     end
 570 end
 571
 572 def run_iterations(iterations, amount)
 573     html = ''
 574     should_rerun = false
 575     for level in iterations.keys.sort
 576         if iterations[level]['value'] == 0
 577             html += iterations[level]['opening']
 578         elsif level == iterations.keys.max
 579             if !iterations[level]['max'] || iterations[level]['max'] && iterations[level]['value'] + amount <= iterations[level]['max'].to_i
 580                 html += iterations[level]['opening']
 581             else
 582                 should_rerun = true
 583             end
 584         end
 585         iterations[level]['value'] += amount
 586         if iterations[level]['max'] && iterations[level]['value'] > iterations[level]['max'].to_i
 587             iterations[level]['value'] = 0
 588             iterations[level-1]['value'] = 0
 589             html += iterations[level-1]['closing']
 590         end
 591     end
 592     if should_rerun
 593         return html + run_iterations(iterations, amount)
 594     else
 595         return html
 596     end
 597 end
 598
 599 def close_iterations(iterations)
 600     html = ''
 601     for level in iterations.keys.sort.reverse
 602         html += iterations[level]['closing']
 603     end
 604     return html
 605 end
 606
 607 def img_element(fullpath, caption)
 608     if size = get_image_size(fullpath)
 609         sizespec = 'width="' + size[:x].to_s + '" height="' + size[:y].to_s + '"'
 610     else
 611         sizespec = ''
 612     end
 613     return '<img src="' + File.basename(fullpath) + '" ' + sizespec + ' alt="' + quote_caption(caption, true) + '"/>'
 614 end
 615
 616 def size2js(name)
 617     return name.gsub(/-/, '')
 618 end
 619
 620 def substitute_html_sizes(html, sizeobj, type, suffix)
 621     sizestrings = []
 622     if $images_size.length > 1 || (type == 'image' && $limit_sizes =~ /original/)
 623         for sizeobj2 in $images_size
 624             sizejs = size2js(sizeobj2['name'])
 625             sizen = defer_translation(sizename(sizeobj2['name'], false))
 626             if sizeobj != sizeobj2
 627                 if type == 'thumbnails'
 628                     sizestrings << '<a href="thumbnails-' + sizejs + suffix + $htmlsuffix + '" onclick="set_preferred_size(\'' + sizejs + '\')">' + sizen + '</a>'
 629                 else
 630                     sizestrings << '<a id="link' + sizejs + '" onclick="set_preferred_size(\'' + sizejs + '\')">' + sizen + '</a>'
 631                 end
 632             else
 633                 sizestrings << sizen
 634             end
 635         end
 636         if type == 'image' && $limit_sizes =~ /original/
 637             sizestrings << '<a id="linkoriginal" target="newframe">' + defer_translation(sizename('original', false)) + '</a>'
 638         end
 639     end
 640     html.sub!(/~~sizes~~(.+)~~/) { sizestrings.join($1) }
 641 end
 642
 643 def substitute_navigation(html, xmldir)
 644     if xmldir.parent.name == 'dir'
 645         nav = ''
 646         navtable = ''
 647         path = '..'
 648         parent = xmldir.parent
 649         while parent.name == 'dir'
 650             parentcaption = parent.attributes['subdirs-caption'] || File.basename(parent.attributes['path'])
 651             nav = "<a href=\"#{path}/index#{$htmlsuffix}\">#{parentcaption}</a> #{defer_translation(N_(" > "))} #{nav}"
 652             navtable = "<td><a href=\"#{path}/index#{$htmlsuffix}\">#{parentcaption}</a></td>#{navtable}"
 653             path += '/..'
 654             parent = parent.parent
 655         end
 656         html.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/) { $1 }
 657         html.gsub!(/~~navigation~~/, nav + (xmldir.attributes['subdirs-caption'] || File.basename(xmldir.attributes['path'])))
 658         html.gsub!(/~~navigationtable~~/, '<table id="navigation"><tr>' + navtable + "<td>" +
 659                                           (xmldir.attributes['subdirs-caption'] || File.basename(xmldir.attributes['path'])) + "</td></tr></table>")
 660     else
 661         html.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/, '')
 662     end
 663 end
 664
 665 def substitute_addthis(html)
 666     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>' : '')
 667 end
 668
 669 def substitute_pathtobase(html, xmldir)
 670     path = ''
 671     location = xmldir
 672     while location.parent.name == 'dir'
 673         path = '../' + path
 674         location = location.parent
 675     end
 676     html.gsub!(/~~pathtobase~~/, path)
 677 end
 678
 679 def xmldir2destdir(xmldir)
 680     return make_dest_filename(from_utf8(File.basename(xmldir.attributes['path'])))
 681 end
 682
 683 def find_previous_album(xmldir)
 684     relative_pos = ''
 685     begin
 686         #- move to previous dir element if exists
 687         if prevelem = xmldir.previous_element_byname_notattr('dir', 'deleted')
 688             xmldir = prevelem
 689             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 690             child = nil
 691             #- after having moved to previous dir, we need to go down last subdir until the last one
 692             while child = xmldir.elements['dir']
 693                 while nextchild = child.next_element_byname_notattr('dir', 'deleted')
 694                     child = nextchild
 695                 end
 696                 relative_pos += xmldir2destdir(child) + '/'
 697                 xmldir = child
 698             end
 699         else
 700             #- previous dir doesn't exist, move to previous dir element if exists
 701             xmldir = xmldir.parent
 702             if xmldir.name == 'dir' && !xmldir.attributes['deleted']
 703                 relative_pos += '../'
 704             else
 705                 return nil
 706             end
 707         end
 708     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 709     return File.reduce_path(relative_pos)
 710 end
 711
 712 def find_next_album(xmldir)
 713     relative_pos = ''
 714     begin
 715         #- first child dir element (catches when initial xmldir has both thumbnails and subdirs)
 716         if firstchild = xmldir.child_byname_notattr('dir', 'deleted')
 717             xmldir = firstchild
 718             relative_pos += xmldir2destdir(xmldir) + '/'
 719         #- next brother
 720         elsif nextbro = xmldir.next_element_byname_notattr('dir', 'deleted')
 721             xmldir = nextbro
 722             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 723         else
 724             #- go up until we have a next brother or we are finished
 725             begin
 726                 xmldir = xmldir.parent
 727                 relative_pos += '../'
 728             end while xmldir && !xmldir.next_element_byname_notattr('dir', 'deleted')
 729             if xmldir
 730                 xmldir = xmldir.next_element_byname('dir')
 731                 relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 732             else
 733                 return nil
 734             end
 735         end
 736     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 737     return File.reduce_path(relative_pos)
 738 end
 739
 740 def find_translation_for_file(file, msg)
 741     if $multi_languages
 742         if file =~ /\.(\w\w)\.html$/
 743             bindtextdomain("booh", { :locale => "#{$1}.UTF-8" })
 744             retval = _(msg)
 745             Locale.set_current($default_locale)
 746             return retval
 747         else
 748             die "Internal error: cannot find multi language suffix of file '#{file}'"
 749         end
 750     else
 751         return utf8(_(msg))
 752     end
 753 end
 754
 755 def sub_previous_next_album(file, previous_album, next_album, html, previous_album_msg, next_album_msg)
 756     if previous_album
 757         html.gsub!(/~~previous_album~~/, '<a href="' + previous_album + 'thumbnails' + $htmlsuffix + '">' + previous_album_msg + '</a>')
 758         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/) { $1 }
 759     else
 760         html.gsub!(/~~previous_album~~/, '')
 761         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/, '')
 762     end
 763     if next_album
 764         html.gsub!(/~~next_album~~/, '<a href="' + next_album + 'thumbnails' + $htmlsuffix + '">' + next_album_msg + '</a>')
 765         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/) { $1 }
 766     else
 767         html.gsub!(/~~next_album~~/, '')
 768         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/, '')
 769     end
 770     return html
 771 end
 772
 773 def save_html(html, base_filename)
 774     if html.class == Array
 775         html = html.join('')
 776     end
 777     if $multi_languages
 778         for language in ($multi_languages[0] + [ $multi_languages[1] ]).uniq
 779             bindtextdomain("booh", { :locale => "#{language}.UTF-8" })
 780             ios = File.open("#{base_filename}.#{language}.html", "w")
 781             ios.write(html.gsub(/@@(.*?)@@/) { _($1) })
 782             ios.close
 783             Locale.set_current($default_locale)
 784         end
 785     else
 786         ios = File.open("#{base_filename}.html", "w")
 787         ios.write(html.gsub(/@@(.*?)@@/) { utf8(_($1)) })
 788         ios.close
 789     end
 790 end
 791
 792 def apply_hook(name, content, *params)
 793     if $hooks.nil?
 794         return content
 795     end
 796     hook = $hooks[name]
 797     if hook.nil?
 798         return content
 799     else
 800         return hook.call(content, *params)
 801     end
 802 end
 803
 804 def walk_source_dir
 805
 806     #- preprocess the path->dir, rexml is very slow with that; we seem to improve speed by 7%
 807     optxpath = {}
 808     $xmldoc.elements.each('//dir') { |elem|
 809         optxpath[elem.attributes['path']] = elem
 810     }
 811
 812     examined_dirs = nil
 813     if $mode == 'merge_config_onedir'
 814         examined_dirs = [ $onedir ]
 815     elsif $mode == 'merge_config_subdirs'
 816         examined_dirs = `find '#{$onedir}' -type d -follow`.split("\n").sort.collect { |v| v.chomp }.delete_if { |v| optxpath.has_key?(utf8(v)) }
 817     else
 818         examined_dirs = `find '#{$source}' -type d -follow`.split("\n").sort.collect { |v| v.chomp }
 819         if $mode == 'merge_config'
 820             $xmldoc.elements.each('//dir') { |elem|
 821                 if ! examined_dirs.include?(elem.attributes['path'])
 822                     msg 2, _("Merging config: removing directory %s from config, isn't on filesystem anymore") % elem.attributes['path']
 823                     elem.remove
 824                 end
 825             }
 826         end
 827     end
 828     info("directories: #{examined_dirs.length}, sizes: #{$images_size.length}")
 829
 830     examined_dirs.each { |dir|
 831         if dir =~ /'/
 832             die _("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir
 833         end
 834         if $mode !~ /^use_config/
 835             Dir.entries(dir).each { |file|
 836                 if file =~ /['"\[\]]/
 837                     die _("Files can't contain any of the characters ', \", [ or ], sorry: %s") % "#{dir}/#{file}"
 838                 end
 839             }
 840         end
 841     }
 842
 843     examined_dirs.each { |dir|
 844         if File.basename(dir) =~ /^\./
 845             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
 846             next
 847         end
 848
 849         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
 850
 851         #- place xml document on proper node if exists, else create
 852         xmldir = optxpath[utf8(dir)]
 853         if $mode == 'use_config' || $mode == 'use_config_changetheme'
 854             if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
 855                 info("walking: #{dir}|#{$source}, 0 elements")
 856                 if xmldir && xmldir.attributes['deleted']
 857                     system("rm -rf '#{dest_dir}'")
 858                 end
 859                 next
 860             end
 861         else
 862             if $mode == 'gen_config' || (($mode == 'merge_config' || $mode == 'merge_config_subdirs') && !xmldir)
 863                 #- add the <dir..> element if necessary
 864                 parent = File.dirname(dir)
 865                 xmldir = $xmldoc.elements["//dir[@path='#{utf8(parent)}']"]
 866                 if !xmldir
 867                     xmldir = $xmldoc.root
 868                 end
 869                 #- need to remove the already-generated mark of the parent because of the sub-albums page containing now one more element
 870                 xmldir.delete_attribute('already-generated')
 871                 xmldir = optxpath[utf8(dir)] = xmldir.add_element('dir', { 'path' => utf8(dir) })
 872             end
 873         end
 874         xmldir.delete_attribute('already-generated')
 875
 876         #- preprocess all the existing elements, rexml is slow with that
 877         optelements = {}
 878         xmldir.elements.each { |elem|
 879             if filename = elem.attributes['filename']
 880                 optelements[elem.name + '|' + filename] = elem
 881             end
 882         }
 883
 884         #- read images/videos entries from config or from directories depending on mode
 885         entries = []
 886         if $mode == 'use_config' || $mode == 'use_config_changetheme'
 887             msg 2, _("Handling %s from config list...") % dir
 888             xmldir.elements.each { |element|
 889                 if %w(image video).include?(element.name) && !element.attributes['deleted']
 890                     entries << from_utf8(element.attributes['filename'])
 891                 end
 892             }
 893         else
 894             msg 2, _("Examining %s...") % dir
 895             entries = Dir.entries(dir).sort
 896             #- populate config in case of gen_config, add new files in case of merge_config
 897             for file in entries
 898                 if file =~ /['"\[\]]/
 899                     msg 1, _("Ignoring %s, contains one of forbidden characters: '\"[]") % "#{dir}/#{file}"
 900                 else
 901                     type = entry2type(file)
 902                     if type && ! optelements[type + '|' + utf8(file)]
 903                         #- hack: don't run identify (which is slow) if format only contains default %t
 904                         if $commentsformat && type == 'image' && $commentsformat != '%t'
 905                             comment = utf8(`identify -format "#{$commentsformat}" '#{dir}/#{file}'`.chomp.sub(/\.$/, ''))
 906                         else
 907                             comment = utf8cut(file.sub(/\.[^\.]+$/, ''), 18)
 908                         end
 909                         optelements[type + '|' + utf8(file)] = xmldir.add_element(type, { "filename" => utf8(file), "caption" => comment })
 910                     end
 911                 end
 912             end
 913             if $mode != 'gen_config'
 914                 #- cleanup removed files from config and reread entries from config to get proper ordering
 915                 entries = []
 916                 xmldir.elements.each { |element|
 917                     fullpath = "#{dir}/#{from_utf8(element.attributes['filename'])}"
 918                     if %w(image video).include?(element.name)
 919                         if !File.readable?(fullpath)
 920                             msg 1, _("Config merge: removing %s from config; use the backup file to retrieve caption info if this was a mistake") % fullpath
 921                             xmldir.delete(element)
 922                         elsif !element.attributes['deleted']
 923                             entries << from_utf8(element.attributes['filename'])
 924                         end
 925                     end
 926                 }
 927                 #- if there is no more elements here, there is no album here anymore
 928                 if !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 929                     xmldir.delete_attribute('thumbnails-caption')
 930                     xmldir.delete_attribute('thumbnails-captionfile')
 931                 end
 932             end
 933         end
 934         images = entries.find_all { |e| entry2type(e) == 'image' }
 935         msg 3, _("\t%s photos") % images.length
 936         videos = entries.find_all { |e| entry2type(e) == 'video' }
 937         msg 3, _("\t%s videos") % videos.length
 938         info("walking: #{dir}|#{$source}, #{images.length + videos.length} elements")
 939
 940         system("mkdir -p '#{dest_dir}'")
 941
 942         #- generate .htaccess file
 943         if !$forgui
 944             ios = File.open("#{dest_dir}/.htaccess", "w")
 945             ios.write("AddCharset UTF-8 .html\n")
 946             ios.write("\n")
 947             ios.write("<IfModule mod_expires.c>\n")
 948             ios.write(" ExpiresActive On\n")
 949             ios.write(" ExpiresDefault A1800\n")
 950             ios.write("</IfModule>")
 951             ios.write("\n")
 952             if auth_user_file = xmldir.attributes['password-protect']
 953                 msg 3, _("\tgenerating password protection file #{dest_dir}/.htaccess")
 954                 ios.write("AuthType Basic\nAuthName \"protected area\"\nAuthUserFile #{auth_user_file}\nrequire valid-user\n")
 955             end
 956             if $multi_languages
 957                 ios.write("Options +Multiviews\n")
 958                 ios.write("LanguagePriority #{$multi_languages[1]}\n")
 959                 ios.write("ForceLanguagePriority Prefer Fallback\n")
 960                 ios.write("DirectoryIndex index\n")
 961             end
 962             ios.close
 963         end
 964
 965         #- pass through if there are no images and videos
 966         if images.size == 0 && videos.size == 0
 967             if !$forgui
 968                 #- cleanup old images/videos, especially if this directory contained images/videos previously.
 969                 if $mode != 'gen_config'
 970                     rightful_images = [ '.htaccess' ]
 971                     if xmldir.attributes['thumbnails-caption']
 972                         rightful_images << 'thumbnails-thumbnail.jpg'
 973                     end
 974                     xmldir.elements.each('dir') { |child|
 975                         if child.attributes['deleted']
 976                             next
 977                         end
 978                         subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
 979                         rightful_images << "thumbnails-#{subdir}.jpg"
 980                     }
 981                     to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?(File.join(dest_dir, e)) && !rightful_images.include?(e) }
 982                     if to_del.size > 0
 983                         File.delete(*to_del.collect { |e| File.join(dest_dir, e) })
 984                     end
 985                 end
 986
 987                 #- copy any resource file that goes with the theme (css, images..)
 988                 themestuff = Dir.entries("#{$themedir}").
 989                                  find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata root).include?(e) }
 990                 themestuff.each { |entry|
 991                     if !File.exists?(File.join(dest_dir, entry))
 992                         psys("cp '#{$themedir}/#{entry}' '#{dest_dir}'")
 993                     end
 994                 }
 995
 996                 #- copy any root-only resource file that goes with the theme (css, images..)
 997                 if xmldir.parent.name != 'dir'
 998                     themestuff_root = Dir.entries("#{$themedir}/root").
 999                                           find_all { |e| !%w(. ..).include?(e) }
1000                     themestuff_root.each { |entry|
1001                         if !File.exists?(File.join(dest_dir, entry))
1002                             psys("cp '#{$themedir}/root/#{entry}' '#{dest_dir}'")
1003                         end
1004                     }
1005                     #- copy flowplayer stuff if needed
1006                     if $flv_generator
1007                         psys("cp #{$FPATH}/flowplayer/flowplayer* '#{dest_dir}'")
1008                     end
1009                 end
1010             end
1011             next
1012         end
1013
1014         msg 2, _("Outputting in %s...") % dest_dir
1015
1016         #- populate data structure with sizes from theme
1017         for sizeobj in $images_size
1018             fullscreen_images ||= {}
1019             fullscreen_images[sizeobj['name']] = []
1020             thumbnail_images ||= {}
1021             thumbnail_images[sizeobj['name']] = []
1022             fullscreen_videos ||= {}
1023             fullscreen_videos[sizeobj['name']] = []
1024             thumbnail_videos ||= {}
1025             thumbnail_videos[sizeobj['name']] = []
1026         end
1027         #- a special dummy size to keep 'references' to thumbnails in case of panorama, because the GUI will use the regular thumbnails
1028         thumbnail_images['dont-delete-file-for-gui'] = []
1029         if $limit_sizes =~ /original/
1030             fullscreen_images['original'] = []
1031             fullscreen_videos['original'] = []
1032         end
1033
1034         images.size >= 1 and msg 3, _("\tcreating photos thumbnails...")
1035
1036         #- create thumbnails for images
1037         images.each { |img|
1038             info("processing element")
1039             base_dest_img = dest_dir + '/' + make_dest_filename(img.sub(/\.[^\.]+$/, ''))
1040             elem = optelements['image|' + utf8(img)]
1041             if $forgui
1042                 thumbnail_dest_img = base_dest_img + "-#{$default_size['thumbnails']}.jpg"
1043                 gen_thumbnails_element("#{dir}/#{img}", elem, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
1044             else
1045                 todo = []
1046                 for sizeobj in $images_size
1047                     size_fullscreen = sizeobj['fullscreen']
1048                     size_thumbnails = sizeobj['thumbnails']
1049                     fullscreen_dest_img = base_dest_img + "-#{size_fullscreen}.jpg"
1050                     fullscreen_images[sizeobj['name']] << File.basename(fullscreen_dest_img)
1051                     todo << { 'filename' => fullscreen_dest_img, 'size' => size_fullscreen }
1052                     if pano = pano_amount(elem)
1053                         thumbnail_images['dont-delete-file-for-gui'] << File.basename(base_dest_img + "-#{size_thumbnails}.jpg")
1054                         size_thumbnails = size_thumbnails.sub(/(\d+)/) { ($1.to_i * pano).to_i }
1055                     end
1056                     thumbnail_dest_img = base_dest_img + "-#{size_thumbnails}.jpg"
1057                     thumbnail_images[sizeobj['name']] << File.basename(thumbnail_dest_img)
1058                     todo << { 'filename' => thumbnail_dest_img,  'size' => size_thumbnails }
1059                 end
1060                 gen_thumbnails_element("#{dir}/#{img}", elem, true, todo)
1061                 if $limit_sizes =~ /original/
1062                     fullscreen_images['original'] << img
1063                 end
1064                 destimg = "#{dest_dir}/#{img}"
1065                 if $limit_sizes =~ /original/ && !File.exists?(destimg)
1066                     if $hardlinks_ok
1067                         if ! sys("ln '#{dir}/#{img}' '#{destimg}'")
1068                             $hardlinks_ok = false
1069                         end
1070                     end
1071                     if ! $hardlinks_ok
1072                         psys("cp '#{dir}/#{img}' '#{destimg}'")
1073                     end
1074                 end
1075             end
1076         }
1077
1078         videos.size >= 1 and msg 3, _("\tcreating videos thumbnails...")
1079         transcoded_videos = {}
1080         flv_videos = {}
1081
1082         #- create thumbnails for videos
1083         videos.each { |video|
1084             info("processing element")
1085             base_dest_img = dest_dir + '/' + make_dest_filename(video.sub(/\.[^\.]+$/, ''))
1086             elem = optelements['video|' + utf8(video)]
1087             if $forgui
1088                 thumbnail_dest_img = base_dest_img + "-#{$default_size['thumbnails']}.jpg"
1089                 gen_thumbnails_element("#{dir}/#{video}", elem, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
1090             else
1091                 todo = []
1092                 for sizeobj in $images_size
1093                     size_fullscreen = sizeobj['fullscreen']
1094                     size_thumbnails = sizeobj['thumbnails']
1095                     fullscreen_dest_img = base_dest_img + "-#{size_fullscreen}.jpg"
1096                     fullscreen_videos[sizeobj['name']] << File.basename(fullscreen_dest_img)
1097                     todo << { 'filename' => fullscreen_dest_img, 'size' => size_fullscreen }
1098                     thumbnail_dest_img = base_dest_img + "-#{size_thumbnails}.jpg"
1099                     thumbnail_videos[sizeobj['name']] << File.basename(thumbnail_dest_img)
1100                     todo << { 'filename' => thumbnail_dest_img, 'size' => size_thumbnails }
1101                 end
1102                 gen_thumbnails_element("#{dir}/#{video}", elem, true, todo)
1103
1104                 if $transcode_videos
1105                     parts = $transcode_videos.split(':', 2)
1106                     basedestvideo = video.sub(/\.\w+/, '') + '.' + parts[0]
1107                     transcoded_videos[video] = basedestvideo
1108                     destvideo = "#{dest_dir}/#{basedestvideo}"
1109                     if ! File.exists?(destvideo)
1110                         psys(parts[1].gsub(/%f/, "'#{dir}/#{video}'").gsub(/%o/, "'#{destvideo}'"))
1111                     end
1112
1113                 elsif $flv_generator
1114                     basedestvideo = video.sub(/\.\w+/, '') + '.flv'
1115                     flv_videos[video] = basedestvideo
1116                     destvideo = "#{dest_dir}/#{basedestvideo}"
1117                     if File.exists?(destvideo) && File.size(destvideo) == 0
1118                         File.delete(destvideo)
1119                     end
1120                     if ! File.exists?(destvideo)
1121                         psys($flv_generator.gsub(/%f/, "'#{dir}/#{video}'").gsub(/%o/, "'#{destvideo}'"))
1122                     end
1123
1124                 else
1125                     destvideo = "#{dest_dir}/#{video}"
1126                     if ! File.exists?(destvideo)
1127                         if $hardlinks_ok
1128                             if ! sys("ln '#{dir}/#{video}' '#{destvideo}'")
1129                                 $hardlinks_ok = false
1130                             end
1131                         end
1132                         if ! $hardlinks_ok
1133                             psys("cp '#{dir}/#{video}' '#{destvideo}'")
1134                         end
1135                     end
1136                 end
1137             end
1138         }
1139
1140         if !$forgui
1141             #- cleanup old images/videos (for when removing elements or sizes)
1142             all_elements = fullscreen_images.collect { |e| e[1] }.flatten.
1143                      concat(thumbnail_images.collect { |e| e[1] }.flatten).
1144                      concat(fullscreen_videos.collect { |e| e[1] }.flatten).
1145                      concat(thumbnail_videos.collect { |e| e[1] }.flatten).
1146                      concat($transcode_videos ? transcoded_videos.values : $flv_generator ? flv_videos.values : videos).
1147                      push('.htaccess')
1148             to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?(File.join(dest_dir, e)) && !all_elements.include?(e) && e !~ /^thumbnails-\w+\.jpg/ }
1149             if to_del.size > 0
1150                 msg 3, _("\tcleaning up: #{to_del.join(', ')}")
1151                 File.delete(*to_del.collect { |e| File.join(dest_dir, e) })
1152             end
1153
1154             #- copy any resource file that goes with the theme (css, images..)
1155             themestuff = Dir.entries("#{$themedir}").
1156                              find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata root).include?(e) }
1157             themestuff.each { |entry|
1158                 if !File.exists?(File.join(dest_dir, entry))
1159                     psys("cp '#{$themedir}/#{entry}' '#{dest_dir}'")
1160                 end
1161             }
1162
1163             #- copy any root-only resource file that goes with the theme (css, images..)
1164             if xmldir.parent.name != 'dir'
1165                 themestuff_root = Dir.entries("#{$themedir}/root").
1166                                       find_all { |e| !%w(. ..).include?(e) }
1167                 themestuff_root.each { |entry|
1168                     if !File.exists?(File.join(dest_dir, entry))
1169                         psys("cp '#{$themedir}/root/#{entry}' '#{dest_dir}'")
1170                     end
1171                 }
1172                 #- copy flowplayer stuff if needed
1173                 if $flv_generator
1174                     psys("cp #{$FPATH}/flowplayer/flowplayer* '#{dest_dir}'")
1175                 end
1176             end
1177
1178             msg 3, _("\tgenerating HTML pages...")
1179             #- fixup max per page
1180             if $N_per_page
1181                 $N_per_page = $N_per_page.to_i / ($N_per_row || $default_N).to_i * ($N_per_row || $default_N).to_i
1182             end
1183
1184             #- generate thumbnails*.html (page with thumbnails)
1185             element2thumbnailpage4js = []
1186             for sizeobj in $images_size
1187                 info("processing size")
1188                 html = $html_thumbnails.collect { |l| l.clone }
1189                 iterations = {}
1190                 for i in html
1191                     i.sub!(/~~title~~/, quote_caption(xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir))))
1192                     i.sub!(/~~flowplayer_head_code~~/, ($flv_generator && videos.size > 0) ? '<script type="text/javascript" src="~~pathtobase~~flowplayer-3.2.6.min.js"></script>' : '')
1193                     discover_iterations(iterations, i)
1194                 end
1195                 all_pages = []
1196                 html_thumbnails = ''
1197                 html_thumbnails_nojs = ''
1198                 counter = 0
1199                 pagecount = 0
1200                 reset_iterations(iterations)
1201                 #- preprocess the @filename->elem, rexml is very slow with that; we dramatically improve this part of the processing
1202                 optfilename = {}
1203                 xmldir.elements.each('image') { |elem|
1204                     optfilename[elem.attributes['filename']] = elem
1205                 }
1206                 for file in entries
1207                     type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1208                     if type
1209                         homogeinize_width = 100 / ($N_per_row || $default_N).to_i
1210                         if type == 'image' && elem = optfilename[utf8(file)]
1211                             if pano = pano_amount(elem)
1212                                 html_elem = run_iterations(iterations, pano)
1213                                 counter += count = pano.ceil
1214                                 html_elem.gsub!(/~~colspan~~/) { "colspan=\"#{count}\"" }
1215                                 homogeinize_width *= count
1216                             else
1217                                 html_elem = run_iterations(iterations, 1)
1218                                 counter += 1
1219                                 html_elem.gsub!(/~~colspan~~/, '')
1220                             end
1221                         else
1222                             html_elem = run_iterations(iterations, 1)
1223                             counter += 1
1224                             html_elem.gsub!(/~~colspan~~/, '')
1225                         end
1226                         html_elem.gsub!(/~~homogeinize_width~~/) { "width=\"#{homogeinize_width}%\"" }
1227                         if type == 'image'
1228                             index = images.index(file)
1229                             caption = find_caption_value(xmldir, images[index]) || utf8(images[index])
1230                             html_elem.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1231                             html_elem.gsub!(/~~ifimage\?~~(.+?)~~fi~~/) { $1 }
1232                             html_elem.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/, '')
1233                         elsif type == 'video'
1234                             index = videos.index(file)
1235                             caption = find_caption_value(xmldir, videos[index]) || utf8(videos[index])
1236                             if File.exists?("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}")
1237                                 video_preview = '<div class="thumbnail_video">' + img_element("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}", caption) + '</div>'
1238                             else
1239                                 video_preview = defer_translation(N_("(no preview)"))
1240                             end
1241                             if $flv_generator
1242                                 size = get_image_size("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}")
1243                                 if ! size
1244                                     sizeobj['thumbnails'] =~ /(\d+)x(\d+)/
1245                                     size = { :x => $1, :y => $2 }
1246                                 end
1247                                 sizespec = 'width:' + size[:x].to_s + 'px;height:' + (size[:y] + 24).to_s + 'px'
1248                                 image_iteration = '<a href="' + flv_videos[videos[index]] + '" style="display:block;' + sizespec + '"' +
1249                                                   '   id="player' + index.to_s + '">' + video_preview +
1250                                                   '<img src="~~pathtobase~~play_video.png" style="position:relative;top:-' + ((size[:y]+48)/2).to_s + 'px;border:0;background-color:transparent"/></a>' +
1251                                                   '<script>flowplayer("player' + index.to_s + '", "~~pathtobase~~flowplayer-3.2.7.swf")</script>'
1252                                 html_elem.gsub!(/~~image_iteration~~/, apply_hook(:image_iteration, image_iteration, 'video'))
1253                             else
1254                                 html_elem.gsub!(/~~image_iteration~~/,
1255                                                 '<a href="' + ( $transcode_videos ? transcoded_videos[videos[index]] : videos[index] ) + '">' +
1256                                                     video_preview + '</a>')
1257                             end
1258                             html_elem.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1259                             html_elem.gsub!(/~~ifimage\?~~(.+?)~~fi~~/, '')
1260                             html_elem.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/) { $1 }
1261                         end
1262                         html_thumbnails += html_elem
1263                         html_thumbnails_nojs += html_elem
1264                         if type == 'image'
1265                             img_preview = '<div class="thumbnail_image">' + img_element("#{dest_dir}/#{thumbnail_images[sizeobj['name']][index]}", caption) + '</div>'
1266                             html_thumbnails.gsub!(/~~image_iteration~~/,
1267                                                   '<a href="image-' + size2js(sizeobj['name']) + $htmlsuffix + '#current=' + fullscreen_images[sizeobj['name']][index] +
1268                                                       '" name="' + fullscreen_images[sizeobj['name']][index] + '">' + img_preview + '</a>')
1269                             html_thumbnails_nojs.gsub!(/~~image_iteration~~/,
1270                                                        '<a href="' + fullscreen_images[sizeobj['name']][index] + '" name="' + fullscreen_images[sizeobj['name']][index] + '">' +
1271                                                        img_preview + '</a>')
1272                         end
1273                         #- remember in which thumbnails page is this element, for element->thumbnail link
1274                         if sizeobj == $images_size[0]
1275                             element2thumbnailpage4js << pagecount
1276                         end
1277
1278                         if counter == $N_per_page
1279                             html_thumbnails      += close_iterations(iterations)
1280                             html_thumbnails_nojs += close_iterations(iterations)
1281                             all_pages << [ html_thumbnails, html_thumbnails_nojs ]
1282                             html_thumbnails = ''
1283                             html_thumbnails_nojs = ''
1284                             counter = 0
1285                             reset_iterations(iterations)
1286                             pagecount += 1
1287                         end
1288                     end
1289                 end
1290                 if counter > 0
1291                     html_thumbnails      += close_iterations(iterations)
1292                     html_thumbnails_nojs += close_iterations(iterations)
1293                     all_pages << [ html_thumbnails, html_thumbnails_nojs ]
1294                 end
1295                 for i in html
1296                     i.gsub!(/~~theme~~/, $theme)
1297                     i.gsub!(/~~current_size~~/, sizeobj['name'])
1298                     i.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
1299                     i.gsub!(/~~current_size_js~~/, size2js(sizeobj['name']))
1300                     i.gsub!(/~~madewith~~/, $madewith || '')
1301                     i.gsub!(/~~indexlink~~/, $indexlink || '')
1302                     if !$indexlink || $indexlink.empty?
1303                        i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { }
1304                     else
1305                        i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { $1 }
1306                     end
1307                     substitute_addthis(i)
1308                     substitute_navigation(i, xmldir)
1309                 end
1310                 html_nojs = html.collect { |l| l.clone }
1311                 pagecount = 0
1312                 for page in all_pages
1313                     html_thumbnails, html_thumbnails_nojs = page
1314                     final_html = html.collect { |l| l.clone }
1315                     mstuff = defer_translation(N_("Pages: ")) +
1316                              (pagecount > 0 ? "<a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{pagecount - 1}#{$htmlsuffix}\">" + defer_translation(N_("<- Previous")) + "</a> " : '') +
1317                              all_pages.collect_with_index { |p,idx| page == p ? idx + 1 : "<a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{idx}#{$htmlsuffix}\">#{idx + 1}</a>" }.join(', ') +
1318                              (pagecount < all_pages.size - 1 ? " <a href=\"thumbnails-#{size2js(sizeobj['name'])}%nojs-#{pagecount + 1}#{$htmlsuffix}\">" + defer_translation(N_("Next ->")) + "</a> " : '')
1319                     for i in final_html
1320                         i.sub!(/~~run_slideshow_link~~/, entries.size <= 1 ? '' : 'image-' + size2js(sizeobj['name']) + $htmlsuffix + '#run_slideshow=1')
1321                         i.sub!(/~~run_slideshow_text~~/, defer_translation(N_("Run slideshow!")))
1322                         i.sub!(/~~run_slideshow~~/,
1323                                entries.size <= 1 ? '' : '<a href="image-' + size2js(sizeobj['name']) + $htmlsuffix + '#run_slideshow=1">' + defer_translation(N_("Run slideshow!"))+'</a>')
1324                         i.sub!(/~~thumbnails~~/, html_thumbnails)
1325                         if all_pages.size == 1
1326                             i.gsub!(/~~ifmultiplepages\?~~.*~~fi~~/, '')
1327                         else
1328                             i.gsub!(/~~ifmultiplepages\?~~(.+?)~~fi~~/) { $1 }
1329                             i.gsub!(/~~multiplepagesstuff~~/, mstuff.gsub('%nojs', ''))
1330                         end
1331                         substitute_html_sizes(i, sizeobj, 'thumbnails', "-#{pagecount}")
1332                         substitute_pathtobase(i, xmldir)
1333                     end
1334                     save_html(final_html, "#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}-#{pagecount}")
1335                     final_html_nojs = html_nojs.collect { |l| l.clone }
1336                     for i in final_html_nojs
1337                         i.sub!(/~~run_slideshow~~/, defer_translation(N_("<i>Click on an image to view it larger</i>")))
1338                         i.sub!(/~~thumbnails~~/, html_thumbnails_nojs)
1339                         if all_pages.size == 1
1340                             i.gsub!(/~~ifmultiplepages\?~~.*~~fi~~/, '')
1341                         else
1342                             i.gsub!(/~~ifmultiplepages\?~~(.+?)~~fi~~/) { $1 }
1343                             i.gsub!(/~~multiplepagesstuff~~/, mstuff.gsub('%nojs', '-nojs'))
1344                         end
1345                         substitute_html_sizes(i, sizeobj, 'thumbnails', "-nojs-#{pagecount}")
1346                         substitute_pathtobase(i, xmldir)
1347                     end
1348                     save_html(final_html_nojs, "#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}-nojs-#{pagecount}")
1349                     pagecount += 1
1350                 end
1351             end
1352
1353             info("finished processing sizes")
1354
1355             #- generate "main" thumbnails.html page that will reload to correct size thanks to cookie
1356             save_html(html_reload_to_thumbnails, "#{dest_dir}/thumbnails")
1357
1358             #- generate image.html (page with fullscreen images)
1359             captions4js = []
1360             types4js = []
1361             videos4js = []
1362             for file in entries
1363                 type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1364                 if type
1365                     caption = find_caption_value(xmldir, file)
1366                     if caption
1367                         captions4js << '"' + quote_caption(caption, true) + '"'
1368                     else
1369                         captions4js << '""'
1370                     end
1371                     types4js << '"' + type + '"'
1372                     if type == 'video'
1373                         index = videos.index(file)
1374                         if $flv_generator
1375                             videos4js << '"' + flv_videos[videos[index]] + '"'
1376                         else
1377                             videos4js << '"' + videos[index] + '"'
1378                         end
1379                     else
1380                         videos4js << '""'
1381                     end
1382                 end
1383             end
1384
1385             for sizeobj in $images_size
1386                 elements4js = []
1387                 elemswidths4js = []
1388                 elemsheights4js = []
1389                 for file in entries
1390                     type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1391                     if type
1392                         if type == 'image'
1393                             index = images.index(file)
1394                             elements4js << '"' + fullscreen_images[sizeobj['name']][index] + '"'
1395                             size = get_image_size("#{dest_dir}/#{fullscreen_images[sizeobj['name']][index]}")
1396                             if size
1397                                 elemswidths4js << size[:x].to_s
1398                                 elemsheights4js << size[:y].to_s
1399                             else
1400                                 elemswidths4js << "''"
1401                                 elemsheights4js << "''"
1402                             end
1403                         else
1404                             index = videos.index(file)
1405                             elements4js << '"' + fullscreen_videos[sizeobj['name']][index] + '"'
1406                             size = get_image_size("#{dest_dir}/#{fullscreen_videos[sizeobj['name']][index]}")
1407                             if size
1408                                 elemswidths4js << size[:x].to_s
1409                                 elemsheights4js << size[:y].to_s
1410                             else
1411                                 elemswidths4js << "''"
1412                                 elemsheights4js << "''"
1413                             end
1414                         end
1415                     end
1416                 end
1417
1418                 html = $html_images.collect { |l| l.clone }
1419                 hiddenimages4remotes = '<span style="display:none">' + thumbnail_images[sizeobj['name']][0..4].collect { |e| "<img src=\"#{e}\"/>" }.join('') + '</span>'
1420                 otherelements4js = ''
1421                 othersizes = []
1422                 for sizeobj2 in all_images_sizes
1423                     if sizeobj != sizeobj2
1424                         oe4js = []
1425                         for file in entries
1426                             type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
1427                             if type
1428                                 if type == 'image'
1429                                     index = images.index(file)
1430                                     oe4js << '"' + fullscreen_images[sizeobj2['name']][index] + '"'
1431                                 elsif sizeobj2['name'] != 'original'
1432                                     index = videos.index(file)
1433                                     oe4js << '"' + fullscreen_videos[sizeobj2['name']][index] + '"'
1434                                 end
1435                             end
1436                         end
1437                         otherelements4js += "var elements_#{size2js(sizeobj2['name'])} = new Array(" + oe4js.join(', ') + ");\n"
1438                         othersizes << "\"#{size2js(sizeobj2['name'])}\""
1439                     end
1440                 end
1441                 for i in html
1442                     i.gsub!(/~~images~~/, elements4js.join(', '))
1443                     i.gsub!(/~~types~~/, types4js.join(', '))
1444                     i.gsub!(/~~videos~~/, videos4js.join(', '))
1445                     i.gsub!(/~~widths~~/, elemswidths4js.join(', '))
1446                     i.gsub!(/~~heights~~/, elemsheights4js.join(', '))
1447                     i.gsub!(/~~hidden_images_for_remotes~~/, hiddenimages4remotes)
1448                     i.gsub!(/~~other_images~~/, otherelements4js)
1449                     i.gsub!(/~~thumbnailspages~~/, element2thumbnailpage4js.collect { |e| "\"#{e}\"" }.join(', '))
1450                     i.gsub!(/~~other_sizes~~/, othersizes.join(', '))
1451                     i.gsub!(/~~captions~~/, captions4js.join(', '))
1452                     i.gsub!(/~~title~~/, quote_caption(xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir))))
1453                     if $flv_generator && videos.size > 0
1454                         i.sub!(/~~flowplayer_head_code~~/, '<script type="text/javascript" src="~~pathtobase~~flowplayer-3.2.6.min.js"></script>')
1455                         i.sub!(/~~flowplayer_active~~/, 'true')
1456                     else
1457                         i.sub!(/~~flowplayer_head_code~~/, '')
1458                         i.sub!(/~~flowplayer_active~~/, 'false')
1459                     end
1460
1461                     i.gsub!(/~~thumbnails~~/, '<a id="thumbnails">' + defer_translation(N_('return to thumbnails')) + '</a>')
1462                     i.gsub!(/~~theme~~/, $theme)
1463                     i.gsub!(/~~current_size~~/, size2js(sizeobj['name']))
1464                     i.gsub!(/~~htmlsuffix~~/, $htmlsuffix)
1465                     i.gsub!(/~~madewith~~/, $madewith || '')
1466                     i.gsub!(/~~indexlink~~/, $indexlink || '')
1467                     if !$indexlink || $indexlink.empty?
1468                         i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { }
1469                     else
1470                         i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { $1 }
1471                     end
1472                     substitute_addthis(i)
1473                     substitute_html_sizes(i, sizeobj, 'image', '')
1474                     substitute_navigation(i, xmldir)
1475                     substitute_pathtobase(i, xmldir)
1476                 end
1477                 save_html(html, "#{dest_dir}/image-#{size2js(sizeobj['name'])}")
1478             end
1479         end
1480     }
1481
1482     msg 3, ''
1483
1484     #- add attributes to <dir..> elements needing so
1485     if $mode != 'use_config'
1486         msg 3, _("\tfixating configuration file...")
1487         $xmldoc.elements.each('//dir') { |element|
1488             path = captionpath = element.attributes['path']
1489             descendant_element = nil
1490             #- search if there is at least one image or video down that dir; use workarounds to rexml slowness
1491             #- first, look down only one level, very fast
1492             first_desc = nil
1493             element.elements.each { |elem|
1494                 if first_desc.nil?
1495                     first_desc = elem
1496                 end
1497                 if elem.name == 'image' || elem.name == 'video'
1498                     descendant_element = elem
1499                     break
1500                 end
1501             }
1502             if descendant_element.nil?
1503                 #- if there was nothing or only directory down one level, look down the first subdir
1504                 if ! first_desc.nil?
1505                     first_desc.elements.each { |elem|
1506                         if elem.name == 'image' || elem.name == 'video'
1507                             descendant_element = elem
1508                             break
1509                         end
1510                     }
1511                 end
1512                 if descendant_element.nil?
1513                     #- if there was still nothing found, use complete albeit slow method
1514                     descendant_element = element.elements['descendant::image'] || element.elements['descendant::video']
1515                 end
1516             end
1517             if !descendant_element
1518                 msg 3, _("\t\tremoving %s, no element in it") % path
1519                 element.remove  #- means we have a directory with nothing interesting in it
1520             else
1521                 captionfile = "#{descendant_element.parent.attributes['path']}/#{descendant_element.attributes['filename']}"
1522                 basename = File.basename(path)
1523                 if element.elements['dir']
1524                     if !element.attributes['subdirs-caption']
1525                         element.add_attribute('subdirs-caption', basename)
1526                     end
1527                     if !element.attributes['subdirs-captionfile']
1528                         element.add_attribute('subdirs-captionfile', captionfile)
1529                     end
1530                 end
1531                 if element.child_byname_notattr('image', 'deleted') || element.child_byname_notattr('video', 'deleted')
1532                     if !element.attributes['thumbnails-caption']
1533                         element.add_attribute('thumbnails-caption', basename)
1534                     end
1535                     if !element.attributes['thumbnails-captionfile']
1536                         element.add_attribute('thumbnails-captionfile', captionfile)
1537                     end
1538                 end
1539             end
1540         }
1541     end
1542
1543     #- write down to disk config if necessary
1544     if $config_writeto
1545         ios = File.open($config_writeto, "w")
1546         $xmldoc.write(ios)
1547         ios.close
1548     end
1549
1550     if $forgui
1551         msg 3, _("completed necessary stuff for GUI, exiting.")
1552         return
1553     end
1554
1555     #- second pass to create index.html files and previous/next links
1556     info("creating index.html")
1557     msg 3, _("\trescanning directories to generate all 'index.html' files...")
1558
1559     #- recompute the memoization because elements mights have been removed (the ones with no element in them)
1560     optxpath = {}
1561     $xmldoc.elements.each('//dir') { |elem|
1562         optxpath[elem.attributes['path']] = elem
1563     }
1564
1565     examined_dirs.each { |dir|
1566         info("index.html: #{dir}|#{$source}")
1567
1568         xmldir = optxpath[utf8(dir)]
1569         if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
1570             next
1571         end
1572         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
1573
1574         previous_album = find_previous_album(xmldir)
1575         next_album = find_next_album(xmldir)
1576
1577         if xmldir.elements['dir']
1578             html = $html_index.collect { |l| l.clone }
1579             iterations = {}
1580             for i in html
1581                 caption = xmldir.attributes['subdirs-caption']
1582                 i.gsub!(/~~title~~/, quote_caption(caption))
1583                 substitute_navigation(i, xmldir)
1584                 substitute_pathtobase(i, xmldir)
1585                 discover_iterations(iterations, i)
1586             end
1587
1588             html_index = ''
1589             reset_iterations(iterations)
1590
1591             #- deal with "current" album (directs to "thumbnails" page)
1592             if xmldir.attributes['thumbnails-caption']
1593                 thumbnail = "#{dest_dir}/thumbnails-thumbnail.jpg"
1594                 gen_thumbnails_subdir(from_utf8(xmldir.attributes['thumbnails-captionfile']), xmldir, false,
1595                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], 'thumbnails')
1596                 html_index += run_iterations(iterations, 1)
1597                 caption = xmldir.attributes['thumbnails-caption']
1598                 html_index.gsub!(/~~image_iteration~~/, "<a href=\"thumbnails#{$htmlsuffix}\">" + img_element(thumbnail, caption) + '</a>')
1599                 html_index.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1600             end
1601
1602             #- deal with sub-albums (direct to subdirs/index.html pages)
1603             xmldir.elements.each('dir') { |child|
1604                 if child.attributes['deleted']
1605                     next
1606                 end
1607                 subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
1608                 thumbnail = "#{dest_dir}/thumbnails-#{subdir}.jpg"
1609                 html_index += run_iterations(iterations, 1)
1610                 captionfile, caption = find_subalbum_caption_info(child)
1611                 gen_thumbnails_subdir(captionfile, child, false,
1612                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], find_subalbum_info_type(child))
1613                 html_index.gsub!(/~~caption_iteration~~/, quote_caption(caption))
1614                 html_index.gsub!(/~~image_iteration~~/, "<a href=\"#{subdir}/index#{$htmlsuffix}\">" + img_element(thumbnail, caption) + '</a>')
1615             }
1616
1617             html_index += close_iterations(iterations)
1618
1619             for i in html
1620                 i.gsub!(/~~thumbnails~~/, html_index)
1621                 i.gsub!(/~~madewith~~/, $madewith || '')
1622                 i.gsub!(/~~indexlink~~/, $indexlink || '')
1623                 if !$indexlink || $indexlink.empty?
1624                    i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { }
1625                 else
1626                    i.gsub!(/~~ifindexlink\?~~(.+?)~~fi~~/) { $1 }
1627                 end
1628                 substitute_addthis(i)
1629             end
1630
1631         else
1632             html = html_reload_to_thumbnails
1633         end
1634
1635         save_html(html, "#{dest_dir}/index")
1636         if $multi_languages
1637             #- in case MultiViews will not work, generate some compat
1638             ios = File.open("#{dest_dir}/index.html", "w")
1639             ios.write("<html><head><meta http-equiv=\"refresh\" content=\"0.1;url=index.#{$multi_languages[1]}.html\"></head></html>")
1640             ios.close
1641         end
1642
1643         #- substitute multiple "return to albums", previous/next correctly
1644         #- the following two statements are dramatical optimizations to executing for each substInFile callback
1645         dirpresent = xmldir.elements['dir']
1646         parentname = xmldir.parent.name
1647         if xmldir.child_byname_notattr('image', 'deleted') || xmldir.child_byname_notattr('video', 'deleted')
1648             for suffix in [ '', '-nojs' ]
1649                 for sizeobj in $images_size
1650                     Dir.glob("#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}#{suffix}-*.html") do |file|
1651                         #- unroll translations, they are costly if rerun for each line of files
1652                         rta = find_translation_for_file(file, N_('return to albums'))
1653                         pa = find_translation_for_file(file, N_('previous album'))
1654                         na = find_translation_for_file(file, N_('next album'))
1655                         substInFile(file) { |line|
1656                             sub_previous_next_album(file, previous_album, next_album, line, pa, na)
1657                             if dirpresent
1658                                 line.sub!(/~~return_to_albums~~/, '<a href="index' + $htmlsuffix + '">' + rta + '</a>')
1659                             else
1660                                 if parentname == 'dir'
1661                                     line.sub!(/~~return_to_albums~~/, '<a href="../index' + $htmlsuffix + '">' + rta + '</a>')
1662                                 else
1663                                     line.sub!(/~~return_to_albums~~/, '')
1664                                 end
1665                             end
1666                             line
1667                         }
1668                     end
1669                     if suffix == '' && xmldir.child_byname_notattr('image', 'deleted')
1670                         Dir.glob("#{dest_dir}/image-#{size2js(sizeobj['name'])}*.html") do |file|
1671                             pa = find_translation_for_file(file, N_('previous album'))
1672                             na = find_translation_for_file(file, N_('next album'))
1673                             substInFile(file) { |line|
1674                                 sub_previous_next_album(file, previous_album, next_album, line, pa, na)
1675                             }
1676                         end
1677                     end
1678                 end
1679             end
1680         end
1681     }
1682
1683     msg 3, _(" all done.")
1684 end
1685
1686 handle_options
1687 read_config
1688 check_installation
1689
1690 build_html_skeletons
1691
1692 walk_source_dir
1693 exit(0)