Sha256: b65d89e9d92eb72428cb9c82e31bb1ff9f36df07b2a60ddd582b6db31c276bba
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Size: 1.22 KB
Versions: 4
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Stored size: 1.22 KB
Contents
module Packable module Extensions #:nodoc: module Float #:nodoc: def self.included(base) base.class_eval do include Packable extend ClassMethods packers do |p| p.set :merge_all, :precision => :single, :endian => :big p.set :double , :precision => :double p.set :float , {} p.set :default , :float end end end def write_packed(io, options) io << pack(self.class.pack_option_to_format(options)) end module ClassMethods #:nodoc: ENDIAN_TO_FORMAT = Hash.new{|h, endian| raise ArgumentError, "Endian #{endian} is not valid. It must be one of #{h.keys.join(', ')}"}. merge!(:big => "G", :network => "G", :little => "E", :native => "F").freeze def pack_option_to_format(options) format = ENDIAN_TO_FORMAT[options[:endian]] format.downcase! if options[:precision] == :single format end def read_packed(io, options) io.read({:single => 4, :double => 8}[options[:precision]]) \ .unpack(pack_option_to_format(options)) \ .first end end end end end
Version data entries
4 entries across 4 versions & 2 rubygems