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) 2005 Guillaume Cottenceau <gc3 at bluewin.ch>
  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., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22 require 'getoptlong'
  23 require 'gettext'
  24 include GetText
  25 require 'rexml/document'
  26 include REXML
  27
  28 require 'booh/booh-lib'
  29 require 'booh/html-merges'
  30
  31 #- bind text domain as soon as possible because some _() functions are called early to build data structures
  32 bindtextdomain("booh")
  33
  34 #- options
  35 $options = [
  36     [ '--help',          '-h', GetoptLong::NO_ARGUMENT,       _("Get help message") ],
  37     [ '--version',       '-V', GetoptLong::NO_ARGUMENT,       _("Print version and exit") ],
  38
  39     [ '--source',        '-s', GetoptLong::REQUIRED_ARGUMENT, _("Directory which contains original images/videos as files or subdirs") ],
  40     [ '--destination',   '-d', GetoptLong::REQUIRED_ARGUMENT, _("Directory which will contain the web-album") ],
  41 #    [ '--clean',         '-c', GetoptLong::NO_ARGUMENT,       _("Clean destination directory") ],
  42
  43     [ '--theme',         '-t', GetoptLong::REQUIRED_ARGUMENT, _("Select HTML theme to use") ],
  44     [ '--config',        '-C', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing images and videos within directories with captions") ],
  45     [ '--config-skel',   '-k', GetoptLong::REQUIRED_ARGUMENT, _("Filename where the script will output a config skeleton") ],
  46     [ '--merge-config',  '-M', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to merge new images/videos from --source, and change theme info") ],
  47     [ '--merge-config-onedir',  '-O', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the subdir specified with --dir") ],
  48     [ '--merge-config-subdirs', '-U', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, for merging the new subdirs down the subdir specified with --dir") ],
  49     [ '--dir',           '-D', GetoptLong::REQUIRED_ARGUMENT, _("Directory for merge with --merge-config-onedir or --merge-config-subdirs") ],
  50     [ '--use-config',    '-u', GetoptLong::REQUIRED_ARGUMENT, _("File containing config listing, where to change theme info") ],
  51     [ '--force',         '-f', GetoptLong::NO_ARGUMENT,       _("Force generation of album even if the GUI marked some directories as already generated") ],
  52
  53     [ '--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)") ],
  54     [ '--thumbnails-per-row', '-T', GetoptLong::REQUIRED_ARGUMENT, _("Specify the amount of thumbnails per row in the thumbnails page (if applicable in theme)") ],
  55     [ '--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 pictures from non digital cameras are 3/2 when pictures from digital cameras are 4/3)") ],
  56     [ '--made-with',     '-n', GetoptLong::REQUIRED_ARGUMENT, _("Specify the HTML markup to use on the bottom of pages") ],
  57     [ '--empty-comments','-e', GetoptLong::NO_ARGUMENT,       _("Prefer empty comments over filename when creating new albums") ],
  58
  59     [ '--mproc',         '-m', GetoptLong::REQUIRED_ARGUMENT, _("Specify the number of processors for multi-processors machines") ],
  60
  61     [ '--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)") ],
  62
  63     [ '--verbose-level', '-v', GetoptLong::REQUIRED_ARGUMENT, _("Set max verbosity level (0: errors, 1: warnings, 2: important messages, 3: other messages)") ],
  64     [ '--info-pipe',     '-i', GetoptLong::REQUIRED_ARGUMENT, _("Name a file where to write information about what's going on (used by the GUI)") ],
  65 ]
  66
  67 #- default values for some globals
  68 $switches = []
  69 $stdout.sync = true
  70 $no_identify = false
  71 $ignore_videos = false
  72 $forgui = false
  73 $hardlinks_ok = true
  74
  75 def usage
  76     puts _("Usage: %s [OPTION]...") % File.basename($0)
  77     $options.each { |ary|
  78         printf " %3s, %-18s %s\n", ary[1], ary[0], ary[3]
  79     }
  80 end
  81
  82 def handle_options
  83     parser = GetoptLong.new
  84     parser.set_options(*$options.collect { |ary| ary[0..2] })
  85     begin
  86         parser.each_option do |name, arg|
  87             case name
  88             when '--help'
  89                 usage
  90                 exit(0)
  91
  92             when '--version'
  93                 puts _("Booh version %s
  94
  95 Copyright (c) 2005 Guillaume Cottenceau.
  96 This is free software; see the source for copying conditions.  There is NO
  97 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.") % $VERSION
  98
  99                 exit(0)
 100
 101             when '--source'
 102                 $source = File.expand_path(arg.sub(%r|/$|, ''))
 103                 if !File.directory?($source)
 104                     die _("Argument to --source must be a directory")
 105                 end
 106             when '--destination'
 107                 $dest = File.expand_path(arg.sub(%r|/$|, ''))
 108                 if File.exists?($dest) && !File.directory?($dest)
 109                     die _("If --destination exists, it must be a directory")
 110                 end
 111                 if $dest != make_dest_filename($dest)
 112                     die _("Sorry, destination directory can't contain non simple alphanumeric characters.")
 113                 end
 114 #            when '--clean'
 115 #                system("rm -rf #{$dest}")
 116
 117             when '--theme'
 118                 $theme = arg
 119             when '--config'
 120                 arg = File.expand_path(arg)
 121                 if File.readable?(arg)
 122                     $xmldoc = REXML::Document.new File.new(arg)
 123                     $mode = 'use_config'
 124                 else
 125                     die _('Config file does not exist or is unreadable.')
 126                 end
 127             when '--config-skel'
 128                 arg = File.expand_path(arg)
 129                 if File.exists?(arg)
 130                     if File.directory?(arg)
 131                         die _("Config skeleton file (%s) already exists and is a directory! Please change the filename.") % arg
 132                     else
 133                         msg 1, _("Config skeleton file already exists, backuping to %s.backup") % arg
 134                         File.rename(arg, "#{arg}.backup")
 135                     end
 136                 end
 137                 $config_writeto = arg
 138                 $mode = 'gen_config'
 139             when '--merge-config'
 140                 arg = File.expand_path(arg)
 141                 if File.readable?(arg)
 142                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 143                     $xmldoc = REXML::Document.new File.new(arg)
 144                     File.rename(arg, "#{arg}.backup")
 145                     $config_writeto = arg
 146                     $mode = 'merge_config'
 147                 else
 148                     die _('Config file does not exist or is unreadable.')
 149                 end
 150             when '--merge-config-onedir'
 151                 arg = File.expand_path(arg)
 152                 if File.readable?(arg)
 153                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 154                     $xmldoc = REXML::Document.new File.new(arg)
 155                     File.rename(arg, "#{arg}.backup")
 156                     $config_writeto = arg
 157                     $mode = 'merge_config_onedir'
 158                 else
 159                     die _('Config file does not exist or is unreadable.')
 160                 end
 161             when '--merge-config-subdirs'
 162                 arg = File.expand_path(arg)
 163                 if File.readable?(arg)
 164                     msg 2, _("Merge config notice: backuping current config file to %s.backup") % arg
 165                     $xmldoc = REXML::Document.new File.new(arg)
 166                     File.rename(arg, "#{arg}.backup")
 167                     $config_writeto = arg
 168                     $mode = 'merge_config_subdirs'
 169                 else
 170                     die _('Config file does not exist or is unreadable.')
 171                 end
 172             when '--dir'
 173                 arg = File.expand_path(arg)
 174                 if !File.readable?(arg)
 175                     die _('Specified directory to merge with --dir is not readable')
 176                 else
 177                     $onedir = arg
 178                 end
 179             when '--use-config'
 180                 arg = File.expand_path(arg)
 181                 if File.readable?(arg)
 182                     msg 2, _("Use config notice: backuping current config file to %s.backup") % arg
 183                     $xmldoc = REXML::Document.new File.new(arg)
 184                     File.rename(arg, "#{arg}.backup")
 185                     $config_writeto = arg
 186                     $mode = 'use_config_changetheme'
 187                 else
 188                     die _('Config file does not exist or is unreadable.')
 189                 end
 190
 191             when '--sizes'
 192                 $limit_sizes = arg
 193
 194             when '--thumbnails-per-row'
 195                 $N_per_row = arg
 196
 197             when '--optimize-for-32'
 198                 $optimize_for_32 = true
 199
 200             when '--made-with'
 201                 $madewith = arg
 202
 203             when '--empty-comments'
 204                 $empty_comments = true
 205
 206             when '--force'
 207                 $force = true
 208
 209             when '--mproc'
 210                 $mproc = arg.to_i
 211                 $pids = []
 212
 213             when '--for-gui'
 214                 $forgui = true
 215
 216             when '--verbose-level'
 217                 $verbose_level = arg.to_i
 218
 219             when '--info-pipe'
 220                 $info_pipe = File.open(arg, File::WRONLY)
 221                 $info_pipe.sync = true
 222             end
 223         end
 224     rescue
 225         puts $!
 226         usage
 227         exit(1)
 228     end
 229
 230     if !$source && $xmldoc
 231         $source = from_utf8($xmldoc.root.attributes['source'])
 232         $dest = from_utf8($xmldoc.root.attributes['destination'])
 233         $theme ||= $xmldoc.root.attributes['theme']
 234         $limit_sizes ||= $xmldoc.root.attributes['limit-sizes']
 235         if $mode == 'use_config' || $mode =~ /^merge_config/
 236             $optimize_for_32 = !$xmldoc.root.attributes['optimize-for-32'].nil?
 237             $N_per_row = $xmldoc.root.attributes['thumbnails-per-row']
 238             $madewith = $xmldoc.root.attributes['made-with']
 239         end
 240     end
 241
 242     if $mode == 'merge_config_onedir' && !$onedir
 243         die _("Missing --dir for --merge-config-onedir")
 244     end
 245     if $mode == 'merge_config_subdirs' && !$onedir
 246         die _("Missing --dir for --merge-config-subdirs")
 247     end
 248
 249     if !$source
 250         usage
 251         exit(0)
 252     end
 253     if !$dest
 254         die _("Missing --destination parameter.")
 255     end
 256     if !$theme
 257         $theme = 'simple'
 258     end
 259
 260     select_theme($theme, $limit_sizes, $optimize_for_32, $N_per_row)
 261
 262     if !$xmldoc
 263         additional_params = ''
 264         if $limit_sizes
 265             additional_params += "limit-sizes='#{$limit_sizes}'"
 266         end
 267         if $optimize_for_32
 268             additional_params += " optimize-for-32='true'"
 269         end
 270         if $N_per_row
 271             additional_params += " thumbnails-per-row='#{$N_per_row}'"
 272         end
 273         if $madewith
 274             additional_params += " made-with='#{$madewith}'"
 275         end
 276         $xmldoc = Document.new "<booh version='#{$VERSION}' source='#{utf8($source)}' destination='#{utf8($dest)}' theme='#{$theme}' #{additional_params}/>"
 277         $xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, $CURRENT_CHARSET)
 278         $mode = 'gen_config'
 279     end
 280
 281     if $mode == 'merge_config' || $mode == 'use_config_changetheme'
 282         $xmldoc.root.add_attribute('theme', $theme)
 283         $xmldoc.root.add_attribute('version', $VERSION)
 284         if $limit_sizes
 285             $xmldoc.root.add_attribute('limit-sizes', $limit_sizes)
 286         else
 287             $xmldoc.root.delete_attribute('limit-sizes')
 288         end
 289         if $optimize_for_32
 290             $xmldoc.root.add_attribute('optimize-for-32', 'true')
 291         else
 292             $xmldoc.root.delete_attribute('optimize-for-32')
 293         end
 294         if $N_per_row
 295             $xmldoc.root.add_attribute('thumbnails-per-row', $N_per_row)
 296         else
 297             $xmldoc.root.delete_attribute('thumbnails-per-row')
 298         end
 299         if $madewith
 300             $xmldoc.root.add_attribute('made-with', $madewith)
 301         else
 302             $xmldoc.root.delete_attribute('made-with')
 303         end
 304     end
 305
 306     if $madewith
 307         $madewith = $madewith.gsub('%booh', '"http://zarb.org/~gc/html/booh.html"')
 308     end
 309 end
 310
 311 def read_config
 312     $config = {}
 313 end
 314
 315 def write_config
 316 end
 317
 318 def info(value)
 319     if $info_pipe
 320         $info_pipe.puts(value)
 321     end
 322 end
 323
 324 def check_installation
 325     if !system("which convert >/dev/null 2>/dev/null")
 326         die _("The program 'convert' is needed. Please install it.
 327 It is generally available with the 'ImageMagick' software package.")
 328     end
 329     if !system("which identify >/dev/null 2>/dev/null")
 330         msg 1, _("the program 'identify' is needed to get images sizes and EXIF data. Please install it.
 331 It is generally available with the 'ImageMagick' software package.")
 332         $no_identify = true
 333     end
 334     missing = %w(transcode mencoder).delete_if { |prg| system("which #{prg} >/dev/null 2>/dev/null") }
 335     if missing != []
 336         msg 1, _("the following program(s) are needed to handle videos: '%s'. Videos will be ignored.") % missing.join(', ')
 337         $ignore_videos = true
 338     end
 339 end
 340
 341 def replace_line(surround, keyword, line)
 342     begin
 343         contents = eval "$#{keyword}"
 344         line.sub!(/#{surround}#{keyword}#{surround}/, contents)
 345     rescue TypeError
 346         die _("No '%s' found for substitution") % keyword
 347     end
 348 end
 349
 350 def build_html_skeletons
 351     $html_images     = File.open("#{$FPATH}/themes/#{$theme}/skeleton_image.html").readlines
 352     $html_thumbnails = File.open("#{$FPATH}/themes/#{$theme}/skeleton_thumbnails.html").readlines
 353     $html_index      = File.open("#{$FPATH}/themes/#{$theme}/skeleton_index.html").readlines
 354     for line in $html_images + $html_thumbnails + $html_index
 355         while line =~ /~~~(\w+)~~~/
 356             replace_line('~~~', $1, line)
 357         end
 358     end
 359 end
 360
 361 def find_caption_value(xmldir, filename)
 362     if cap = xmldir.elements["*[@filename='#{utf8(filename)}']"].attributes['caption']
 363         return cap.gsub("\n", '<br/>')
 364     else
 365         return nil
 366     end
 367 end
 368
 369 def find_captions(xmldir, images)
 370     return images.collect { |img| find_caption_value(xmldir, img) }
 371 end
 372
 373 #- stolen from CVSspam
 374 def urlencode(text)
 375   text.sub(/[^a-zA-Z0-9\-,.*_\/]/) do
 376     "%#{sprintf('%2X', $&[0])}"
 377   end
 378 end
 379
 380 def all_images_sizes
 381     return $limit_sizes =~ /original/ ? $images_size + [ { 'name' => 'original' } ] : $images_size
 382 end
 383
 384 def html_reload_to_thumbnails
 385     html_reload_to_thumbnails = $preferred_size_reloader.clone
 386     html_reload_to_thumbnails.gsub!(/~~theme~~/, $theme)
 387     html_reload_to_thumbnails.gsub!(/~~default_size~~/, $default_size['name'])
 388     html_reload_to_thumbnails.gsub!(/~~all_sizes~~/, all_images_sizes.collect { |s| "\"#{size2js(s['name'])}\"" }.join(', '))
 389     return html_reload_to_thumbnails
 390 end
 391
 392 def discover_iterations(iterations, line)
 393     if line =~ /~~iterate(\d)_open(_max(\d+|N))?~~/
 394         for iter in iterations.values
 395             if iter['open']
 396                 iter['open'] = false
 397                 iter['close_wait'] = $1.to_i
 398             end
 399         end
 400         max = $3 == 'N' ? ($N_per_row || $default_N) : $3
 401         iterations[$1.to_i] = { 'open' => true, 'max' => max, 'opening' => '', 'closing' => '' }
 402         if $1.to_i == 1
 403             line.sub!(/.*/, '~~thumbnails~~')
 404         else
 405             line.sub!(/.*/, '')
 406         end
 407     elsif line =~ /~~iterate(\d)_close~~/
 408         iterations[$1.to_i]['open']  = false;
 409         iterations[$1.to_i]['close'] = true;
 410         line.sub!(/.*/, '')
 411     else
 412         for iter in iterations.values
 413             if iter['open']
 414                 iter['opening'] += line
 415                 line.sub!(/.*/, '')
 416             end
 417             if !iter['close'] && iter['close_wait'] && iterations[iter['close_wait']]['close']
 418                 iter['closing'] += line
 419                 line.sub!(/.*/, '')
 420             end
 421         end
 422     end
 423 end
 424
 425 def reset_iterations(iterations)
 426     for iter in iterations.values
 427         iter['value'] = 0
 428     end
 429 end
 430
 431 def run_iterations(iterations, amount)
 432     html = ''
 433     should_rerun = false
 434     for level in iterations.keys.sort
 435         if iterations[level]['value'] == 0
 436             html += iterations[level]['opening']
 437         elsif level == iterations.keys.max
 438             if !iterations[level]['max'] || iterations[level]['max'] && iterations[level]['value'] + amount <= iterations[level]['max'].to_i
 439                 html += iterations[level]['opening']
 440             else
 441                 should_rerun = true
 442             end
 443         end
 444         iterations[level]['value'] += amount
 445         if iterations[level]['max'] && iterations[level]['value'] > iterations[level]['max'].to_i
 446             iterations[level]['value'] = 0
 447             iterations[level-1]['value'] = 0
 448             html += iterations[level-1]['closing']
 449         end
 450     end
 451     if should_rerun
 452         return html + run_iterations(iterations, amount)
 453     else
 454         return html
 455     end
 456 end
 457
 458 def close_iterations(iterations)
 459     html = ''
 460     for level in iterations.keys.sort.reverse
 461         html += iterations[level]['closing']
 462     end
 463     return html
 464 end
 465
 466 def img_element(fullpath)
 467     if size = get_image_size(fullpath)
 468         sizespec = 'width="' + size[:x].to_s + '" height="' + size[:y].to_s + '"'
 469     else
 470         sizespec = ''
 471     end
 472     return '<img src="' + File.basename(fullpath) + '" ' + sizespec + ' class="image"/>'
 473 end
 474
 475 def size2js(name)
 476     return name.gsub(/-/, '')
 477 end
 478
 479 def substitute_html_sizes(html, sizeobj, type)
 480     sizestrings = []
 481     if $images_size.length > 1 || (type == 'image' && $limit_sizes =~ /original/)
 482         for sizeobj2 in $images_size
 483             if sizeobj != sizeobj2
 484                 if type == 'thumbnails'
 485                     sizestrings << '<a href="thumbnails-' + size2js(sizeobj2['name']) + '.html">' + sizename(sizeobj2['name']) + '</a>'
 486                 else
 487                     sizestrings << '<a id="link' + size2js(sizeobj2['name']) + '">' + sizename(sizeobj2['name']) + '</a>'
 488                 end
 489             else
 490                 sizestrings << sizename(sizeobj2['name'])
 491             end
 492         end
 493         if type == 'image' && $limit_sizes =~ /original/
 494             sizestrings << '<a id="linkoriginal" target="newframe">' + sizename('original') + '</a>'
 495         end
 496     end
 497     html.sub!(/~~sizes~~(.+)~~/) { sizestrings.join($1) }
 498 end
 499
 500 def xmldir2destdir(xmldir)
 501     return make_dest_filename(from_utf8(File.basename(xmldir.attributes['path'])))
 502 end
 503
 504 def find_previous_album(xmldir)
 505     relative_pos = ''
 506     begin
 507         #- move to previous dir element if exists
 508         if prevelem = xmldir.previous_element_byname_notattr('dir', 'deleted')
 509             xmldir = prevelem
 510             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 511             child = nil
 512             #- after having moved to previous dir, we need to go down last subdir until the last one
 513             while child = xmldir.elements['dir']
 514                 while nextchild = child.next_element_byname_notattr('dir', 'deleted')
 515                     child = nextchild
 516                 end
 517                 relative_pos += xmldir2destdir(child) + '/'
 518                 xmldir = child
 519             end
 520         else
 521             #- previous dir doesn't exist, move to previous dir element if exists
 522             xmldir = xmldir.parent
 523             if xmldir.name == 'dir' && !xmldir.attributes['deleted']
 524                 relative_pos += '../'
 525             else
 526                 return nil
 527             end
 528         end
 529     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 530     return File.reduce_path(relative_pos)
 531 end
 532
 533 def find_next_album(xmldir)
 534     relative_pos = ''
 535     begin
 536         #- first child dir element (catches when initial xmldir has both thumbnails and subdirs)
 537         if firstchild = xmldir.child_byname_notattr('dir', 'deleted')
 538             xmldir = firstchild
 539             relative_pos += xmldir2destdir(xmldir) + '/'
 540         #- next brother
 541         elsif nextbro = xmldir.next_element_byname_notattr('dir', 'deleted')
 542             xmldir = nextbro
 543             relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 544         else
 545             #- go up until we have a next brother or we are finished
 546             begin
 547                 xmldir = xmldir.parent
 548                 relative_pos += '../'
 549             end while xmldir && !xmldir.next_element_byname_notattr('dir', 'deleted')
 550             if xmldir
 551                 xmldir = xmldir.next_element_byname('dir')
 552                 relative_pos += '../' + xmldir2destdir(xmldir) + '/'
 553             else
 554                 return nil
 555             end
 556         end
 557     end while !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 558     return File.reduce_path(relative_pos)
 559 end
 560
 561 def sub_previous_next_album(previous_album, next_album, html)
 562     if previous_album
 563         html.gsub!(/~~previous_album~~/, '<a href="' + previous_album + 'thumbnails.html">' + utf8(_('previous album')) + '</a>')
 564         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/) { $1 }
 565     else
 566         html.gsub!(/~~previous_album~~/, '')
 567         html.gsub!(/~~ifprevious_album\?~~(.+?)~~fi~~/, '')
 568     end
 569     if next_album
 570         html.gsub!(/~~next_album~~/, '<a href="' + next_album + 'thumbnails.html">' + utf8(_('next album')) + '</a>')
 571         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/) { $1 }
 572     else
 573         html.gsub!(/~~next_album~~/, '')
 574         html.gsub!(/~~ifnext_album\?~~(.+?)~~fi~~/, '')
 575     end
 576     return html
 577 end
 578
 579 def walk_source_dir
 580
 581     #- preprocess the path->dir, rexml is very slow with that; we seem to improve speed by 7%
 582     optxpath = {}
 583     $xmldoc.elements.each('//dir') { |elem|
 584         optxpath[elem.attributes['path']] = elem
 585     }
 586
 587     examined_dirs = nil
 588     if $mode == 'merge_config_onedir'
 589         examined_dirs = [ $onedir ]
 590     elsif $mode == 'merge_config_subdirs'
 591         examined_dirs = `find '#{$onedir}' -type d -follow`.sort.collect { |v| v.chomp }.delete_if { |v| optxpath.has_key?(utf8(v)) }
 592     else
 593         examined_dirs = `find '#{$source}' -type d -follow`.sort
 594     end
 595     info("directories: #{examined_dirs.length}, sizes: #{$images_size.length}")
 596
 597     examined_dirs.each { |dir|
 598         dir.chomp!
 599         if File.basename(dir) =~ /^\./
 600             msg 1, _("Ignoring directory %s, begins with a dot (indicating a hidden directory)") % dir
 601             next
 602         end
 603
 604         if dir =~ /'/
 605             die _("Source directory or sub-directories can't contain a single-quote character, sorry: %s") % dir
 606         end
 607
 608         #- place xml document on proper node if exists, else create
 609         xmldir = optxpath[utf8(dir)]
 610         if $mode == 'use_config' || $mode == 'use_config_changetheme'
 611             if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
 612                 info("walking: #{dir}|#{$source}, 0 elements")
 613                 next
 614             end
 615         else
 616             if $mode == 'gen_config' || (($mode == 'merge_config' || $mode == 'merge_config_subdirs') && !xmldir)
 617                 #- add the <dir..> element if necessary
 618                 parent = File.dirname(dir)
 619                 xmldir = $xmldoc.elements["//dir[@path='#{utf8(parent)}']"]
 620                 if !xmldir
 621                     xmldir = $xmldoc.root
 622                 end
 623                 #- need to remove the already-generated mark of the parent because of the sub-albums page containing now one more element
 624                 xmldir.delete_attribute('already-generated')
 625                 xmldir = optxpath[utf8(dir)] = xmldir.add_element('dir', { 'path' => utf8(dir) })
 626             end
 627         end
 628         xmldir.delete_attribute('already-generated')
 629
 630         #- read images/videos entries from config or from directories depending on mode
 631         entries = []
 632         if $mode == 'use_config' || $mode == 'use_config_changetheme'
 633             msg 2, _("Handling %s from config list...") % dir
 634             xmldir.elements.each { |element|
 635                 if %w(image video).include?(element.name) && !element.attributes['deleted']
 636                     entries << from_utf8(element.attributes['filename'])
 637                 end
 638             }
 639         else
 640             msg 2, _("Examining %s...") % dir
 641             entries = Dir.entries(dir).sort
 642             #- populate config in case of gen_config, add new files in case of merge_config
 643             for file in entries
 644                 if file =~ /['"\[\]]/
 645                     msg 1, _("Ignoring %s, contains one of forbidden characters: '\"[]") % "#{dir}/#{file}"
 646                 else
 647                     type = entry2type(file)
 648                     if type && !xmldir.elements["#{type}[@filename='#{utf8(file)}']"]
 649                         xmldir.add_element type, { "filename" => utf8(file), "caption" => $empty_comments ? '' : utf8(file.sub(/\.[^\.]+$/, '')[0..17]) }
 650                     end
 651                 end
 652             end
 653             if $mode != 'gen_config'
 654                 #- cleanup removed files from config and reread entries from config to get proper ordering
 655                 entries = []
 656                 xmldir.elements.each { |element|
 657                     fullpath = "#{dir}/#{from_utf8(element.attributes['filename'])}"
 658                     if %w(image video).include?(element.name)
 659                         if !File.readable?(fullpath)
 660                             msg 1, _("Config merge: removing %s from config; use the backup file to retrieve caption info if this was a mistake") % fullpath
 661                             xmldir.delete(element)
 662                         elsif !element.attributes['deleted']
 663                             entries << from_utf8(element.attributes['filename'])
 664                         end
 665                     end
 666                 }
 667                 #- if there is no more elements here, there is no album here anymore
 668                 if !xmldir.child_byname_notattr('image', 'deleted') && !xmldir.child_byname_notattr('video', 'deleted')
 669                     xmldir.delete_attribute('thumbnails-caption')
 670                     xmldir.delete_attribute('thumbnails-captionfile')
 671                 end
 672             end
 673         end
 674         images = entries.find_all { |e| entry2type(e) == 'image' }
 675         msg 3, _("\t%s images") % images.length
 676         videos = entries.find_all { |e| entry2type(e) == 'video' }
 677         msg 3, _("\t%s videos") % videos.length
 678         info("walking: #{dir}|#{$source}, #{images.length + videos.length} elements")
 679
 680         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
 681         system("mkdir -p '#{dest_dir}'")
 682
 683         #- pass through if there are no images and videos
 684         if images.size == 0 && videos.size == 0
 685             if !$forgui
 686                 #- cleanup old images/videos, especially if this directory contained images/videos previously.
 687                 themestuff = Dir.entries("#{$FPATH}/themes/#{$theme}").
 688                                 find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata CVS).include?(e) }
 689                 if $mode != 'gen_config'
 690                     rightful_images = []
 691                     if xmldir.attributes['thumbnails-caption']
 692                         rightful_images << 'thumbnails-thumbnail.jpg'
 693                     end
 694                     xmldir.elements.each('dir') { |child|
 695                         if child.attributes['deleted']
 696                             next
 697                         end
 698                         subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
 699                         rightful_images << "thumbnails-#{subdir}.jpg"
 700                     }
 701                     to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?("#{dest_dir}/#{e}") && !rightful_images.include?(e) } - themestuff
 702                     if to_del.size > 0
 703                         system("rm -f " + to_del.collect { |e| "#{dest_dir}/#{e}" }.join(' '))
 704                     end
 705                 end
 706
 707                 #- copy any resource file that goes with the theme (css, images..)
 708                 themestuff.each { |entry|
 709                     if !File.exists?("#{dest_dir}/#{entry}")
 710                         psys("cp '#{$FPATH}/themes/#{$theme}/#{entry}' '#{dest_dir}'")
 711                     end
 712                 }
 713             end
 714             next
 715         end
 716
 717         msg 2, _("Outputting in %s...") % dest_dir
 718
 719         #- populate data structure with sizes from theme
 720         for sizeobj in $images_size
 721             fullscreen_images ||= {}
 722             fullscreen_images[sizeobj['name']] = []
 723             thumbnail_images ||= {}
 724             thumbnail_images[sizeobj['name']] = []
 725             thumbnail_videos ||= {}
 726             thumbnail_videos[sizeobj['name']] = []
 727         end
 728         #- a special dummy size to keep 'references' to thumbnails in case of panorama, because the GUI will use the regular thumbnails
 729         thumbnail_images['dont-delete-file-for-gui'] = []
 730         if $limit_sizes =~ /original/
 731             fullscreen_images['original'] = []
 732         end
 733
 734         images.size >= 1 and msg 3, _("\tcreating images thumbnails...")
 735
 736         #- create thumbnails for images
 737         images.each { |img|
 738             info("processing element")
 739             base_dest_img = dest_dir + '/' + make_dest_filename(img.sub(/\.[^\.]+$/, ''))
 740             if $forgui
 741                 thumbnail_dest_img = base_dest_img + "-#{$default_size['thumbnails']}.jpg"
 742                 gen_thumbnails_element("#{dir}/#{img}", xmldir, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
 743             else
 744                 todo = []
 745                 elem = xmldir.elements["image[@filename='#{utf8(img)}']"]
 746                 for sizeobj in $images_size
 747                     size_fullscreen = sizeobj['fullscreen']
 748                     size_thumbnails = sizeobj['thumbnails']
 749                     fullscreen_dest_img = base_dest_img + "-#{size_fullscreen}.jpg"
 750                     fullscreen_images[sizeobj['name']] << File.basename(fullscreen_dest_img)
 751                     todo << { 'filename' => fullscreen_dest_img, 'size' => size_fullscreen }
 752                     if pano = pano_amount(elem)
 753                         thumbnail_images['dont-delete-file-for-gui'] << File.basename(base_dest_img + "-#{size_thumbnails}.jpg")
 754                         size_thumbnails = size_thumbnails.sub(/(\d+)/) { ($1.to_i * pano).to_i }
 755                     end
 756                     thumbnail_dest_img = base_dest_img + "-#{size_thumbnails}.jpg"
 757                     thumbnail_images[sizeobj['name']] << File.basename(thumbnail_dest_img)
 758                     todo << { 'filename' => thumbnail_dest_img,  'size' => size_thumbnails }
 759                 end
 760                 gen_thumbnails_element("#{dir}/#{img}", xmldir, true, todo)
 761                 if $limit_sizes =~ /original/
 762                     fullscreen_images['original'] << img
 763                 end
 764                 destimg = "#{dest_dir}/#{img}"
 765                 if $limit_sizes =~ /original/ && !File.exists?(destimg)
 766                     if $hardlinks_ok
 767                         if ! sys("ln '#{dir}/#{img}' '#{destimg}'")
 768                             $hardlinks_ok = false
 769                         end
 770                     end
 771                     if ! $hardlinks_ok
 772                         psys("cp '#{dir}/#{img}' '#{destimg}'")
 773                     end
 774                 end
 775             end
 776         }
 777
 778         videos.size >= 1 and msg 3, _("\tcreating videos thumbnails...")
 779
 780         #- create thumbnails for videos
 781         videos.each { |video|
 782             info("processing element")
 783             if $forgui
 784                 thumbnail_dest_img = dest_dir + '/' + make_dest_filename(video.sub(/\.[^\.]+$/, '')) + "-#{$default_size['thumbnails']}.jpg"
 785                 gen_thumbnails_element("#{dir}/#{video}", xmldir, true, [ { 'filename' => thumbnail_dest_img, 'size' => $default_size['thumbnails'] } ])
 786             else
 787                 todo = []
 788                 for sizeobj in $images_size
 789                     size_thumbnails = sizeobj['thumbnails']
 790                     thumbnail_dest_img = dest_dir + '/' + make_dest_filename(video.sub(/\.[^\.]+$/, '')) + "-#{size_thumbnails}.jpg"
 791                     thumbnail_videos[sizeobj['name']] << File.basename(thumbnail_dest_img)
 792                     todo << { 'filename' => thumbnail_dest_img, 'size' => size_thumbnails }
 793                 end
 794                 gen_thumbnails_element("#{dir}/#{video}", xmldir, true, todo)
 795             end
 796             destvideo = "#{dest_dir}/#{video}"
 797             if !File.exists?(destvideo)
 798                 psys("cp '#{dir}/#{video}' '#{destvideo}'")
 799             end
 800         }
 801
 802         if !$forgui
 803             themestuff = Dir.entries("#{$FPATH}/themes/#{$theme}").
 804                              find_all { |e| !%w(. .. skeleton_image.html skeleton_thumbnails.html skeleton_index.html metadata CVS).include?(e) }
 805
 806             #- cleanup old images/videos (for when removing elements or sizes)
 807             all_elements = fullscreen_images.collect { |e| e[1] }.flatten.
 808                      concat(thumbnail_images.collect { |e| e[1] }.flatten).
 809                      concat(thumbnail_videos.collect { |e| e[1] }.flatten).
 810                      concat(videos)
 811             to_del = Dir.entries(dest_dir).find_all { |e| !File.directory?("#{dest_dir}/#{e}") && !all_elements.include?(e) && e !~ /^thumbnails-\w+\.jpg/ } - themestuff
 812             if to_del.size > 0
 813                 msg 3, _("\tcleaning up: #{to_del.join(', ')}")
 814                 system("rm -f " + to_del.collect { |e| "#{dest_dir}/#{e}" }.join(' '))
 815             end
 816
 817             #- copy any resource file that goes with the theme (css, images..)
 818             themestuff.each { |entry|
 819                 if !File.exists?("#{dest_dir}/#{entry}")
 820                     psys("cp '#{$FPATH}/themes/#{$theme}/#{entry}' '#{dest_dir}'")
 821                 end
 822             }
 823
 824             #- generate .htaccess file if needed
 825             if auth_user_file = xmldir.attributes['password-protect']
 826                 msg 3, _("\tgenerating password protection file #{dest_dir}/.htaccess")
 827                 ios = File.open("#{dest_dir}/.htaccess", "w")
 828                 ios.write("AuthType Basic\nAuthName \"protected area\"\nAuthUserFile #{auth_user_file}\nrequire valid-user\n")
 829                 ios.close
 830             end
 831
 832             msg 3, _("\tgenerating HTML pages...")
 833
 834             #- generate thumbnails.html (page with thumbnails)
 835             for sizeobj in $images_size
 836                 info("processing size")
 837                 html = $html_thumbnails.collect { |l| l.clone }
 838                 iterations = {}
 839                 for i in html
 840                     i.sub!(/~~run_slideshow~~/, images.size <= 1 ? '' : '<a href="image-' + size2js(sizeobj['name']) + '.html#run_slideshow=1">' + utf8(_('Run slideshow!'))+'</a>')
 841                     i.sub!(/~~title~~/, xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir)))
 842                     substitute_html_sizes(i, sizeobj, 'thumbnails')
 843                     discover_iterations(iterations, i)
 844                 end
 845                 html_thumbnails = ''
 846                 reset_iterations(iterations)
 847                 for file in entries
 848                     type = images.include?(file) ? 'image' : videos.include?(file) ? 'video' : nil
 849                     if type
 850                         if type == 'image' && elem = xmldir.elements["image[@filename='#{utf8(file)}']"]
 851                             if  pano = pano_amount(elem)
 852                                 html_thumbnails += run_iterations(iterations, pano)
 853                                 html_thumbnails.gsub!(/~~colspan~~/) { 'colspan="' + pano.ceil.to_s + '"' }
 854                             else
 855                                 html_thumbnails += run_iterations(iterations, 1)
 856                                 html_thumbnails.gsub!(/~~colspan~~/, '')
 857                             end
 858                         else
 859                             html_thumbnails += run_iterations(iterations, 1)
 860                             html_thumbnails.gsub!(/~~colspan~~/, '')
 861                         end
 862                         if type == 'image'
 863                             index = images.index(file)
 864                             html_thumbnails.gsub!(/~~image_iteration~~/,
 865                                                   '<a href="image-' + size2js(sizeobj['name']) + '.html#current=' + fullscreen_images[sizeobj['name']][index] +
 866                                                       '" name="' + fullscreen_images[sizeobj['name']][index] + '">' +
 867                                                       img_element("#{dest_dir}/#{thumbnail_images[sizeobj['name']][index]}") + '</a>')
 868                             html_thumbnails.gsub!(/~~caption_iteration~~/,
 869                                                   find_caption_value(xmldir, images[index]) || utf8(images[index]))
 870                             html_thumbnails.gsub!(/~~ifimage\?~~(.+?)~~fi~~/) { $1 }
 871                             html_thumbnails.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/, '')
 872                         elsif type == 'video'
 873                             index = videos.index(file)
 874                             if File.exists?("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}")
 875                                 html_thumbnails.gsub!(/~~image_iteration~~/,
 876                                                       '<a href="' + videos[index] + '">' + img_element("#{dest_dir}/#{thumbnail_videos[sizeobj['name']][index]}") + '</a>')
 877                             else
 878                                 html_thumbnails.gsub!(/~~image_iteration~~/,
 879                                                       '<a href="' + videos[index] + '">' + utf8(_("(no preview)")) + '</a>')
 880                             end
 881                             html_thumbnails.gsub!(/~~caption_iteration~~/,
 882                                                   find_caption_value(xmldir, videos[index]) || utf8(videos[index]))
 883                             html_thumbnails.gsub!(/~~ifimage\?~~(.+?)~~fi~~/, '')
 884                             html_thumbnails.gsub!(/~~ifvideo\?~~(.+?)~~fi~~/) { $1 }
 885                         end
 886                     end
 887                 end
 888                 html_thumbnails += close_iterations(iterations)
 889                 for i in html
 890                     i.sub!(/~~thumbnails~~/, html_thumbnails)
 891                     i.gsub!(/~~theme~~/, $theme)
 892                     i.gsub!(/~~current_size~~/, sizeobj['name'])
 893                     i.gsub!(/~~current_size_js~~/, size2js(sizeobj['name']))
 894                     i.gsub!(/~~madewith~~/, $madewith || '')
 895                 end
 896                 ios = File.open("#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}.html", "w")
 897                 ios.write(html)
 898                 ios.close
 899             end
 900
 901             info("finished processing sizes")
 902
 903             #- generate "main" thumbnails.html page that will reload to correct size thanks to cookie
 904             ios = File.open("#{dest_dir}/thumbnails.html", "w")
 905             ios.write(html_reload_to_thumbnails)
 906             ios.close
 907
 908             #- generate image.html (page with fullscreen images)
 909             if images.size > 0
 910                 captions4js = find_captions(xmldir, images).collect { |e| e ? '"' + e.gsub('"', '\"') + '"' : '""' }.join(', ')
 911
 912                 for sizeobj in $images_size
 913                     html = $html_images.collect { |l| l.clone }
 914                     images4js = fullscreen_images[sizeobj['name']].collect { |e| "\"#{e}\"" }.join(', ')
 915                     otherimages4js = ''
 916                     othersizes = []
 917                     for sizeobj2 in all_images_sizes
 918                         if sizeobj != sizeobj2
 919                             otherimages4js += "var images_#{size2js(sizeobj2['name'])} = new Array(" + fullscreen_images[sizeobj2['name']].collect { |e| "\"#{e}\"" }.join(', ') + ")\n"
 920                             othersizes << "\"#{size2js(sizeobj2['name'])}\""
 921                         end
 922                     end
 923                     for i in html
 924                         i.gsub!(/~~images~~/, images4js)
 925                         i.gsub!(/~~other_images~~/, otherimages4js)
 926                         i.gsub!(/~~other_sizes~~/, othersizes.join(', '))
 927                         i.gsub!(/~~captions~~/, captions4js)
 928                         i.gsub!(/~~title~~/, xmldir.attributes['thumbnails-caption'] || utf8(File.basename(dir)))
 929                         i.gsub!(/~~thumbnails~~/, '<a href="thumbnails-' + size2js(sizeobj['name']) + '.html" id="thumbnails">' + utf8(_('return to thumbnails')) + '</a>')
 930                         i.gsub!(/~~theme~~/, $theme)
 931                         i.gsub!(/~~current_size~~/, size2js(sizeobj['name']))
 932                         i.gsub!(/~~madewith~~/, $madewith || '')
 933                         substitute_html_sizes(i, sizeobj, 'image')
 934                     end
 935                     ios = File.open("#{dest_dir}/image-#{size2js(sizeobj['name'])}.html", "w")
 936                     ios.write(html)
 937                     ios.close
 938                 end
 939             end
 940         end
 941     }
 942
 943     msg 3, ''
 944
 945     #- add attributes to <dir..> elements needing so
 946     if $mode != 'use_config'
 947         msg 3, _("\tfixating configuration file...")
 948         $xmldoc.elements.each('//dir') { |element|
 949             path = captionpath = element.attributes['path']
 950             descendant_element = element.elements['descendant::image'] || element.elements['descendant::video']
 951             if !descendant_element
 952                 msg 3, _("\t\tremoving %s, no element in it") % path
 953                 element.remove  #- means we have a directory with nothing interesting in it
 954             else
 955                 captionfile = "#{descendant_element.parent.attributes['path']}/#{descendant_element.attributes['filename']}"
 956                 basename = File.basename(path)
 957                 if element.elements['dir']
 958                     if !element.attributes['subdirs-caption']
 959                         element.add_attribute('subdirs-caption', basename)
 960                     end
 961                     if !element.attributes['subdirs-captionfile']
 962                         element.add_attribute('subdirs-captionfile', captionfile)
 963                     end
 964                 end
 965                 if element.child_byname_notattr('image', 'deleted') || element.child_byname_notattr('video', 'deleted')
 966                     if !element.attributes['thumbnails-caption']
 967                         element.add_attribute('thumbnails-caption', basename)
 968                     end
 969                     if !element.attributes['thumbnails-captionfile']
 970                         element.add_attribute('thumbnails-captionfile', captionfile)
 971                     end
 972                 end
 973             end
 974         }
 975     end
 976
 977     #- write down to disk config if necessary
 978     if $config_writeto
 979         ios = File.open($config_writeto, "w")
 980         $xmldoc.write(ios, 0)
 981         ios.close
 982     end
 983
 984     if $forgui
 985         msg 3, _(" completed necessary stuff for GUI, exiting.")
 986         return
 987     end
 988
 989     #- second pass to create index.html files and previous/next links
 990     info("creating index.html")
 991     msg 3, _("\trescanning directories to generate all `index.html' files...")
 992
 993     #- recompute the memoization because elements mights have been removed (the ones with no element in them)
 994     optxpath = {}
 995     $xmldoc.elements.each('//dir') { |elem|
 996         optxpath[elem.attributes['path']] = elem
 997     }
 998
 999     examined_dirs.each { |dir|
1000         dir.chomp!
1001         info("index.html: #{dir}|#{$source}")
1002
1003         xmldir = optxpath[utf8(dir)]
1004         if !xmldir || (xmldir.attributes['already-generated'] && !$force) || xmldir.attributes['deleted']
1005             next
1006         end
1007         dest_dir = make_dest_filename(dir.sub(/^#{Regexp.quote($source)}/, $dest))
1008
1009         previous_album = find_previous_album(xmldir)
1010         next_album = find_next_album(xmldir)
1011
1012         if xmldir.elements['dir']
1013             html = $html_index.collect { |l| l.clone }
1014             iterations = {}
1015             for i in html
1016                 caption = xmldir.attributes['subdirs-caption']
1017                 i.gsub!(/~~title~~/, caption)
1018                 if xmldir.parent.name == 'dir'
1019                     nav = ''
1020                     path = '..'
1021                     parent = xmldir.parent
1022                     while parent.name == 'dir'
1023                         parentcaption = parent.attributes['subdirs-caption']
1024                         nav = "<a href='#{path}/index.html'>#{parentcaption}</a> #{utf8(_(" > "))} #{nav}"
1025                         path += '/..'
1026                         parent = parent.parent
1027                     end
1028                     i.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/) { $1 }
1029                     i.gsub!(/~~navigation~~/, nav + caption)
1030                 else
1031                     i.gsub!(/~~ifnavigation\?~~(.+?)~~fi~~/, '')
1032                 end
1033                 discover_iterations(iterations, i)
1034             end
1035
1036             html_index = ''
1037             reset_iterations(iterations)
1038
1039             #- deal with "current" album (directs to "thumbnails" page)
1040             if xmldir.attributes['thumbnails-caption']
1041                 thumbnail = "#{dest_dir}/thumbnails-thumbnail.jpg"
1042                 gen_thumbnails_subdir(from_utf8(xmldir.attributes['thumbnails-captionfile']), xmldir, false,
1043                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], 'thumbnails')
1044                 html_index += run_iterations(iterations, 1)
1045                 html_index.gsub!(/~~image_iteration~~/, "<a href='thumbnails.html'>" + img_element(thumbnail) + '</a>')
1046                 html_index.gsub!(/~~caption_iteration~~/, xmldir.attributes['thumbnails-caption'])
1047             end
1048
1049             #- deal with sub-albums (direct to subdirs/index.html pages)
1050             xmldir.elements.each('dir') { |child|
1051                 if child.attributes['deleted']
1052                     next
1053                 end
1054                 subdir = make_dest_filename(from_utf8(File.basename(child.attributes['path'])))
1055                 thumbnail = "#{dest_dir}/thumbnails-#{subdir}.jpg"
1056                 html_index += run_iterations(iterations, 1)
1057                 captionfile, caption = find_subalbum_caption_info(child)
1058                 gen_thumbnails_subdir(captionfile, child, false,
1059                                       [ { 'filename' => thumbnail, 'size' => $albums_thumbnail_size } ], find_subalbum_info_type(child))
1060                 html_index.gsub!(/~~caption_iteration~~/, caption)
1061                 html_index.gsub!(/~~image_iteration~~/, "<a href='#{make_dest_filename(subdir)}/index.html'>" + img_element(thumbnail) + '</a>')
1062             }
1063
1064             html_index += close_iterations(iterations)
1065
1066             for i in html
1067                 i.gsub!(/~~thumbnails~~/, html_index)
1068                 i.gsub!(/~~madewith~~/, $madewith || '')
1069             end
1070
1071         else
1072             html = html_reload_to_thumbnails
1073         end
1074
1075         ios = File.open("#{dest_dir}/index.html", "w")
1076         ios.write(html)
1077         ios.close
1078
1079         #- substitute "return to albums" and previous/next correctly
1080         if xmldir.child_byname_notattr('image', 'deleted') || xmldir.child_byname_notattr('video', 'deleted')
1081             for sizeobj in $images_size
1082                 substInFile("#{dest_dir}/thumbnails-#{size2js(sizeobj['name'])}.html") { |line|
1083                     sub_previous_next_album(previous_album, next_album, line)
1084                     if xmldir.elements['dir']
1085                         line.sub!(/~~return_to_albums~~/, '<a href="index.html">' + utf8(_('return to albums')) + '</a>')
1086                     else
1087                         if xmldir.parent.name == 'dir'
1088                             line.sub!(/~~return_to_albums~~/, '<a href="../index.html">' + utf8(_('return to albums')) + '</a>')
1089                         else
1090                             line.sub!(/~~return_to_albums~~/, '')
1091                         end
1092                     end
1093                     line
1094                 }
1095                 if xmldir.child_byname_notattr('image', 'deleted')
1096                     substInFile("#{dest_dir}/image-#{size2js(sizeobj['name'])}.html") { |line|
1097                         sub_previous_next_album(previous_album, next_album, line)
1098                     }
1099                 end
1100             end
1101         end
1102     }
1103
1104     msg 3, _(" all done.")
1105 end
1106
1107 handle_options
1108 read_config
1109 check_installation
1110
1111 build_html_skeletons
1112
1113 walk_source_dir