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require 'stringio'
module Packable
module Extensions #:nodoc:
module String #:nodoc:
def self.included(base)
base.class_eval do
include Packable
extend ClassMethods
alias_method_chain :unpack, :long_form
packers.set :merge_all, :fill => " "
end
end
def write_packed(io, options)
return io.write_without_packing(self) unless options[:bytes]
io.write_without_packing(self[0...options[:bytes]].ljust(options[:bytes], options[:fill] || "\000"))
end
def unpack_with_long_form(*arg)
return unpack_without_long_form(*arg) if arg.first.is_a? String
StringIO.new(self).packed.read(*arg)
rescue EOFError
nil
end
module ClassMethods #:nodoc:
def unpack_string(s, options)
s
end
end
end
end
end
|
