Class: EPUBInfo::Models::TableOfContents

Inherits:
Object
  • Object
show all
Defined in:
lib/epubinfo/models/table_of_contents.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parser) ⇒ TableOfContents

Returns a new instance of TableOfContents.



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# File 'lib/epubinfo/models/table_of_contents.rb', line 7

def initialize(parser)
  document = parser.metadata_document
  document_type = parser.metadata_type

  return if document.nil? || !document_type.eql?("application/oebps-package+xml")
  document.remove_namespaces!
  metadata = document.css('metadata')
  self.spine = metadata.xpath('//spine')
  self.manifest = metadata.xpath('//manifest')
  self.ncx   = Navigation.new(self)
  self.parser = parser
end

Instance Attribute Details

#manifest ⇒ Object

Returns the value of attribute manifest.



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# File 'lib/epubinfo/models/table_of_contents.rb', line 46

def manifest
  @manifest
end

#ncx ⇒ Object

Returns the value of attribute ncx.



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# File 'lib/epubinfo/models/table_of_contents.rb', line 49

def ncx
  @ncx
end

#parser ⇒ Object

Returns the value of attribute parser.



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# File 'lib/epubinfo/models/table_of_contents.rb', line 47

def parser
  @parser
end

#spine ⇒ Object

Returns the value of attribute spine.



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# File 'lib/epubinfo/models/table_of_contents.rb', line 48

def spine
  @spine
end

Instance Method Details

#document ⇒ Object 



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# File 'lib/epubinfo/models/table_of_contents.rb', line 29

def document
  @toc_document ||= load_toc_file.remove_namespaces!
end

#path ⇒ Object 



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# File 'lib/epubinfo/models/table_of_contents.rb', line 33

def path
  @toc_path ||= begin
    spine_path = nil
    if spine && !spine.empty?
      toc_id = spine[0]['toc']
      toc_ncx = manifest.xpath("item[@id = '#{toc_id}']").first.attr('href')
      spine_path = parser.zip_file.entries.map { |p| p.name }.select { |s| s.match(toc_ncx) }.first
    end
    spine_path
  end

end

#resources ⇒ Object 



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# File 'lib/epubinfo/models/table_of_contents.rb', line 25

def resources
  @resources ||= Resource.new(self)
end

#type ⇒ Object 



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# File 'lib/epubinfo/models/table_of_contents.rb', line 21

def type
  spine.first.attr('toc')
end