manifest.rb in epub-parser-0.1.5

- old
+ new

@@ -4,16 +4,21 @@
 
 module EPUB
   module Publication
     class Package
       class Manifest
+        include Inspector::PublicationModel
+
         attr_accessor :package,
                       :id
 
+        def initialize
+          @items = {}
+        end
+
         # @return self
         def <<(item)
-          @items ||= {}
           item.manifest = self
           @items[item.id] = item
           self
         end
 
@@ -27,25 +32,34 @@
 
         def cover_image
           items.selector {|i| i.properties.include? 'cover-image'}.first
         end
 
+        def each_item
+          @items.each_value do |item|
+            yield item
+          end
+        end
+
         def items
           @items.values
         end
 
         def [](item_id)
           @items[item_id]
         end
 
         class Item
+          include Inspector
+
           # @!attribute [rw] manifest
           #   @return [Manifest] Returns the value of manifest
           # @!attribute [rw] id
           #   @return [String] Returns the value of id
           # @!attribute [rw] href
-          #   @return [Addressable::URI] Returns the value of href
+          #   @return [Addressable::URI] Returns the value of href,
+          #                              which is relative path from rootfile(OPF file)
           # @!attribute [rw] media_type
           #   @return [String] Returns the value of media_type
           # @!attribute [rw] properties
           #   @return [Array<String>] Returns the value of properties
           # @!attribute [rw] media_overlay
@@ -53,23 +67,35 @@
           # @!attribute [rw] fallback
           #   @return [Item] Returns the value of attribute fallback
           attr_accessor :manifest,
                         :id, :href, :media_type, :fallback, :properties, :media_overlay
 
+          def initialize
+            @properties = []
+          end
+
           # @todo Handle circular fallback chain
           def fallback_chain
             @fallback_chain ||= traverse_fallback_chain([])
           end
 
+          # full path in archive
+          def entry_name
+            rootfile = manifest.package.book.ocf.container.rootfile.full_path
+            Addressable::URI.unescape(rootfile + href.normalize.request_uri)
+          end
+
           def read
-            rootfile = Addressable::URI.parse(manifest.package.book.ocf.container.rootfile.full_path)
             Zip::Archive.open(manifest.package.book.epub_file) {|zip|
-              path = Addressable::URI.unescape(rootfile + href.normalize.request_uri)
-              zip.fopen(path).read
+              zip.fopen(entry_name).read
             }
           end
 
+          def xhtml?
+            media_type == 'application/xhtml+xml'
+          end
+
           def nav?
             properties.include? 'nav'
           end
 
           # @todo Handle circular fallback chain
@@ -97,9 +123,18 @@
 
           # @return [Package::Spine::Itemref]
           # @return nil when no Itemref refers this Item
           def itemref
             manifest.package.spine.itemrefs.find {|itemref| itemref.idref == id}
+          end
+
+          def inspect
+            "#<%{class}:%{object_id} %{manifest} %{attributes}>" % {
+              :class      => self.class,
+              :object_id  => inspect_object_id,
+              :manifest   => "@manifest=#{@manifest.inspect_simply}",
+              :attributes => inspect_instance_variables(exclude: [:@manifest])
+            }
           end
 
           protected
 
           def traverse_fallback_chain(chain)