Class: EBPS::Conversion::Oebps::NcxFactory

Inherits:
XmlFactory show all
Defined in:
lib/ebps/conversion/oebps.rb

Instance Attribute Summary

Attributes inherited from Factory

#uid

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ NcxFactory

Returns a new instance of NcxFactory.



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# File 'lib/ebps/conversion/oebps.rb', line 261

def initialize *args
  super
  @builder.declare! :DOCTYPE, :ncx, :PUBLIC,
                    "-//NISO//DTD ncx 2005-1//EN",
                    "http://www.daisy.org/z3986/2005/ncx-2005-1.dtd"
  @depth = EBPS.config.max_depth
  @page_count = @ids.size
  @sections = 0
end

Instance Method Details

#doc_title ⇒ Object 



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# File 'lib/ebps/conversion/oebps.rb', line 270

def doc_title
  @builder.docTitle do |xml|
    xml.text EBPS.config.title || @subject.first.title
  end
end

#head ⇒ Object 



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# File 'lib/ebps/conversion/oebps.rb', line 275

def head
  @builder.head do |xml|
    xml.meta 'name' => 'dtb:uid', 'content' => @uid
    xml.meta 'name' => 'dtb:depth', 'content' => @depth
    xml.meta 'name' => 'dtb:generator', 'content' => self.class.name
    xml.meta 'name' => 'dtb:totalPageCount', 'content' => @page_count
    xml.meta 'name' => 'dtb:maxPageNumber', 'content' => @page_count
  end
end

#nav_map ⇒ Object 



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# File 'lib/ebps/conversion/oebps.rb', line 284

def nav_map
  play_order = 0
  @builder.navMap do |xml|
    @ids.each do |id|
      if id.is_a?(Array)
        @append_id = false
        play_order = nav_point play_order, 1, *id
      end
    end
  end
end

#nav_point(play_order, depth, file, id, txt, local_ids = nil, joker = nil) ⇒ Object 



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# File 'lib/ebps/conversion/oebps.rb', line 295

def nav_point play_order, depth, file, id, txt, local_ids=nil, joker=nil
  ## discard duplicate filenames
  if joker
    _, file, id, txt, local_ids = file, id, txt, local_ids, joker
  end
  play_order += 1
  @builder.navPoint 'id' => id, 'playOrder' => play_order do |xml|
    xml.navLabel do
      xml.text txt
    end
    src = @append_id ? sprintf("%s#%s", file, id) : file
    xml.content 'src' => src
    @append_id = true
    if local_ids && depth < @depth
      local_ids.each do |local_id|
        play_order = nav_point play_order, depth + 1, file, *local_id
      end
    end
  end
  play_order
end

#to_ncx ⇒ Object 



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# File 'lib/ebps/conversion/oebps.rb', line 316

def to_ncx
  @builder.ncx 'xmlns'    => "http://www.daisy.org/z3986/2005/ncx/",
               'xml:lang' => EBPS.config.language,
               'version'  => "2005-1" do |xml|
    head
    doc_title
    # xml.docAuthor could follow here
    nav_map
    # possibly we need a page_list
    # and maybe even a nav_list
  end
end