ad hoc patch for gepub

gepub.diff

diff --git a/lib/gepub/book.rb b/lib/gepub/book.rb
index eaf2838..56434a1 100644
--- a/lib/gepub/book.rb
+++ b/lib/gepub/book.rb
@@ -242,6 +242,14 @@ module GEPUB
       epub.put_next_entry('META-INF/container.xml')
       epub << container_xml.force_to_bin
 
+      ## support com.apple.ibooks.display-options.xml
+      disp_opt_file = "com.apple.ibooks.display-options.xml"
+      if File.exists? disp_opt_file
+        display_options = File.read(disp_opt_file)
+        epub.put_next_entry('META-INF/'+disp_opt_file)
+        epub << display_options.force_to_bin
+      end
+
       epub.put_next_entry(@package.path)
       epub << opf_xml.force_to_bin
 
diff --git a/lib/gepub/item.rb b/lib/gepub/item.rb
index e3b8567..6c78c6d 100644
--- a/lib/gepub/item.rb
+++ b/lib/gepub/item.rb
@@ -1,6 +1,7 @@
 module GEPUB
   class Item
     attr_accessor :content
+    attr_accessor :title
     def self.create(parent, attributes = {})
       Item.new(attributes['id'], attributes['href'], attributes['media-type'], parent,
                attributes.reject { |k,v| ['id','href','media-type'].member?(k) })
@@ -15,6 +16,7 @@ module GEPUB
       @parent = parent
       @parent.register_item(self) unless @parent.nil?
       @content_callback = []
+      @title = nil
       self
     end
 
@@ -82,6 +84,7 @@ module GEPUB
           if videos.size > 0 || audios.size > 0
             self.add_property('remote-resources')
           end
+        @title = parsed.xpath("//#{prefix}h1").text
       end
       self
     end

usage.rb

  book = GEPUB::Book.new
  ## (略)
    book.add_item('img/cover.jpg','img/cover.jpg').cover_image
    book.add_item("PinyonScript-Regular.ttf","PinyonScript-Regular.ttf")
    book.add_item('main.css','main.css')
    ## (略)
    book.ordered do
    book.add_item('_cover.html','_cover.html')
    ## (略)
    book.add_item("0002-hajimeni.html", "book/0002-hajimeni.html").toc_text("はじめに")
    book.add_item("nav.html", "nav.html").toc_text("目次")

    Dir.glob("#{dir}/???-*.html") do |filename|
      item = book.add_item(filename.sub(/#{dir}\//,""),filename)
      if item.title
        item.toc_text(item.title)
      else
        raise 'no title'
      end
    end
    ## (略)
    book.add_item("1002-okuduke.html", "book/1002-okuduke.html").toc_text("奥付")
  end
  epubname = File.join(File.dirname(__FILE__), 'book.epub')
  book.generate_epub(epubname)
end