rasn1.rb in rasn1-0.7.0

- old
+ new

@@ -1,13 +1,14 @@
+# frozen_string_literal: true
+
 require 'rasn1/version'
 require 'rasn1/types'
 require 'rasn1/model'
 
 # Rasn1 is a pure ruby library to parse, decode and encode ASN.1 data.
 # @author Sylvain Daubert
 module RASN1
-
   # Base error class
   class Error < StandardError; end
 
   # ASN.1 encoding/decoding error
   class ASN1Error < Error; end
@@ -24,14 +25,14 @@
   class EnumeratedError < Error; end
 
   # CHOICE error: #chosen not set
   class ChoiceError < RASN1::Error
     def message
-      "CHOICE #@name: #chosen not set"
+      "CHOICE #{@name}: #chosen not set"
     end
   end
-  
+
   # Parse a DER/BER string without checking a model
   # @note If you want to check ASN.1 grammary, you should define a {Model}
   #       and use {Model#parse}.
   # @note This method will never decode SEQUENCE OF or SET OF objects, as these
   #       ones use the same encoding as SEQUENCE and SET, respectively.
@@ -40,18 +41,18 @@
   # @param [String] der binary string to parse
   # @param [Boolean] ber if +true+, decode a BER string, else a DER one
   # @return [Types::Base]
   def self.parse(der, ber: false)
     root = nil
-    while der.size > 0
+    until der.empty?
       type = Types.tag2type(der[0].ord)
       type.parse!(der, ber: ber)
       root = type if root.nil?
 
       if [Types::Sequence, Types::Set].include? type.class
         subder = type.value
         ary = []
-        while subder.size > 0
+        until subder.empty?
           ary << self.parse(subder)
           subder = subder[ary.last.to_der.size..-1]
         end
         type.value = ary
       end