Class: EPUB::Publication::Package::Manifest

Inherits:
Object
  • Object
show all
Includes:
ContentModel
Defined in:
lib/epub/maker/publication.rb

Defined Under Namespace

Classes: Item

Instance Method Summary collapse

Methods included from ContentModel

#to_xml_attribute

Instance Method Details

#make {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/epub/maker/publication.rb', line 214

def make
  yield self if block_given?

  # @todo more careful
  unless items.any? &:nav?
    make_nav do |item, doc|
      doc.navigations[0].items = items.select(&:xhtml?).collect {|i|
        nav = ContentDocument::Navigation::Item.new
        nav.item = i
        nav.href = i.href
        text = File.basename(i.href.normalize.request_uri, '.*')
        if i.content_file
          title = Parser::XMLDocument.new(File.read(i.content_file)).each_element_by_xpath("/xhtml:html/xhtml:head/xhtml:title", EPUB::NAMESPACES).first&.text
          text = title if title
        end
        nav.text = text
        nav
      }
    end
  end

  self
end

#make_cover_image(options = {}) ⇒ Object 



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# File 'lib/epub/maker/publication.rb', line 260

def make_cover_image(options={})
  make_item options do |item|
    item.properties << 'cover-image'
    yield item if block_given?
  end
end

#make_item(options = {}) {|item| ... } ⇒ Item

Yields:

  • (item)

Returns:



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# File 'lib/epub/maker/publication.rb', line 239

def make_item(options={})
  item = Item.new
  [:id, :href, :media_type, :properties, :media_overlay].each do |attr|
    next unless options.key? attr
    item.__send__ "#{attr}=", options[attr]
  end
  item.manifest = self
  yield item if block_given?
  unless item.media_type
    path = item.href.to_s
    item.media_type =
      if path.end_with? ".html"
        "application/xhtml+xml"
      else
        MimeMagic.by_path(item.href.to_s).type
      end
  end
  self << item
  item
end

#make_nav(options = {}) ⇒ Object 



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# File 'lib/epub/maker/publication.rb', line 267

def make_nav(options={})
  make_item options do |item|
    item.id = "toc"
    item.href = Addressable::URI.parse("nav.xhtml")
    item.media_type = "application/xhtml+xml"
    item.properties << "nav"

    doc = ContentDocument::Navigation.new
    doc.item = item

    nav = ContentDocument::Navigation::Navigation.new
    nav.type = ContentDocument::Navigation::Navigation::Type::TOC
    doc.navigations << nav

    yield [item, doc] if block_given?

    item.content = doc.to_xml
  end
end

#to_xml_fragment(xml) ⇒ Object 



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# File 'lib/epub/maker/publication.rb', line 287

def to_xml_fragment(xml)
  node = xml.manifest_ {
    items.each do |item|
      item_node = xml.item_
      to_xml_attribute item_node, item, [:id, :href, :media_type, :media_overlay]
      item_node['properties'] = item.properties.to_a.join(' ') unless item.properties.empty?
      item_node['fallback'] = item.fallback.id if item.fallback
    end
  }
  to_xml_attribute node, self, [:id]
end