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