#!ruby

require "zip/filesystem"
require_relative "../invfs"

def InVFS.zip(*args)
  InVFS::Zip.new(*args)
end

class InVFS::Zip
  attr_reader :path, :zip, :zipfile

  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:
  #   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:
  #   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

  def inspect
    %(#<#{self.class}:#{path}>)
  end

  def pretty_print(q)
    q.text inspect
  end
end