lib/invfs/zip.rb in invfs-0.2 vs lib/invfs/zip.rb in invfs-0.3

@@ -1,75 +1,114 @@
 #!ruby
 
 require "zip/filesystem"
 require_relative "../invfs"
 
+using InVFS::Extensions
+
 def InVFS.zip(*args)
   InVFS::Zip.new(*args)
 end
 
-class InVFS::Zip
-  attr_reader :path, :zip, :zipfile
+module InVFS
+  class Zip
+    attr_reader :path, :zip, :zipfile
 
-  def initialize(path)
-    @path = String(path)
-    @zip = Zip::File.open(@path)
-    @zipfile = @zip.file
-  end
+    def initialize(path)
+      @path = String(path)
+      @zip = ::Zip::File.open(@path)
+      @zipfile = @zip.file
+    end
 
-  #
-  # call-seq:
-  #   to_path -> string
-  #
-  # REQUIRED method for VFS.
-  #
-  # This value MUST be not modifying in each objects.
-  #
-  def to_path
-    path
-  end
+    #
+    # call-seq:
+    #   to_path -> string
+    #
+    # REQUIRED method for VFS.
+    #
+    # This value MUST be not modifying in each objects.
+    #
+    def to_path
+      path
+    end
 
-  #
-  # call-seq:
-  #   file?(path) -> true OR false (OR nil)
-  #
-  # REQUIRED method for VFS.
-  #
-  def file?(path)
-    zipfile.file?(path)
-  end
+    #
+    # call-seq:
+    #   file?(path) -> true OR false (OR nil)
+    #
+    # REQUIRED method for VFS.
+    #
+    def file?(path)
+      zipfile.file?(path)
+    end
 
-  #
-  # call-seq:
-  #   size(path) -> integer for file size
-  #
-  # REQUIRED method for VFS.
-  #
-  def size(path)
-    zipfile.size(path)
-  end
+    #
+    # call-seq:
+    #   size(path) -> integer for file size
+    #
+    # REQUIRED method for VFS.
+    #
+    def size(path)
+      zipfile.size(path)
+    end
 
-  #
-  # call-seq:
-  #   read(path) -> string
-  #
-  # REQUIRED method for VFS.
-  #
-  def read(path)
-    zipfile.read(path)
-  end
+    #
+    # call-seq:
+    #   read(path) -> string
+    #
+    # REQUIRED method for VFS.
+    #
+    def read(path)
+      zipfile.read(path)
+    end
 
-  #
-  # optional method for VFS.
-  #
-  def to_s
-    %(#{path} (#{self.class}))
-  end
+    #
+    # optional method for VFS.
+    #
+    def to_s
+      %(#{path} (#{self.class}))
+    end
 
-  def inspect
-    %(#<#{self.class}:#{path}>)
+    def inspect
+      %(#<#{self.class}:#{path}>)
+    end
+
+    def pretty_print(q)
+      q.text inspect
+    end
   end
 
-  def pretty_print(q)
-    q.text inspect
+  class Zip
+    #
+    # VFS Handler Methods
+    ;
+
+    #
+    # call-seq:
+    #   probe(file) -> true or false
+    #
+    # REQUIRED method for VFS Handler.
+    #
+    # Check available as VFS.
+    #
+    def Zip.probe(file)
+      file.readat(0, 4) == "PK\x03\x04"
+    end
+
+    #
+    # call-seq:
+    #   open(file) -> VFS object
+    #
+    # REQUIRED method for VFS Handler.
+    #
+    # Open as VFS.
+    #
+    def Zip.open(file)
+      new file
+    end
+
+    #
+    # Regist handler as VFS.
+    #
+    InVFS.regist self
   end
 end