Contents

module EPUB
  module ContentDocument
    class XHTML
      attr_accessor :item

      # @return [String] Returns the content string.
      def read
        item.read
      end
      alias raw_document read

      # @return [true|false] Whether referenced directly from spine or not.
      def top_level?
        !! item.itemref
      end

      # @return [String] Returns the value of title element.
      #                  If none, returns empty string
      def title
        title_elem = nokogiri.search('title').first
        if title_elem
          title_elem.text
        else
          warn 'title element not found'
          ''
        end
      end

      # @return [REXML::Document] content as REXML::Document object
      def rexml
        require 'rexml/document'
        @rexml ||= REXML::Document.new(raw_document)
      end

      # @return [Nokogiri::XML::Document] content as Nokogiri::XML::Document object
      def nokogiri
        require 'nokogumbo' unless Nokogiri.respond_to? :HTML5
        @nokogiri ||= Nokogiri.HTML5(raw_document)
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
epub-parser-0.2.2	lib/epub/content_document/xhtml.rb
epub-parser-0.2.1	lib/epub/content_document/xhtml.rb