Class: MooTool::Models::IMG4::KeyValueProperty

Inherits:
Object
  • Object
show all
Includes:
Helpers::IMG4
Defined in:
lib/mootool/models/img4/key_value_property.rb

Overview

Key/Value Properties are those with an ASN 4CC tag, and contain exactly two elements in a sequence, the first is a simple repeat of the key name as a string the second is the value of the property.

Constant Summary collapse

SPLAT_SENINEL = 
:ALLOW_ANY_VALUE

Constants included from Helpers::IMG4

Helpers::IMG4::DECODE_TAGS, Helpers::IMG4::FIRMWARE_TAGS, Helpers::IMG4::HASH_LENGTHS, Helpers::IMG4::KEY_INSTANCE_TAGS, Helpers::IMG4::KVP_TAGS, Helpers::IMG4::OCTET_TAGS, Helpers::IMG4::SEQUENCE_TAGS, Helpers::IMG4::SIGNATURE_TAGS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers::IMG4

#construct, #construct_object, #decode_construct, parse_4cc

Constructor Details

#initialize(input) ⇒ KeyValueProperty

Returns a new instance of KeyValueProperty.



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# File 'lib/mootool/models/img4/key_value_property.rb', line 15

def initialize(input)
  unless input.tag_class == :PRIVATE && input.is_a?(OpenSSL::ASN1::ASN1Data)
    raise 'Input must be a private instance of ASN1Data'
  end
  @key = input.tag.to_4cc

  @object = input

  unless input.value.size == 1 &&
         input.value[0].value.size == 2
    raise MooTool::Error,
          "The sequence must have two values #{input.value[0].value.size}"
  end

  construction = construct(input.value.first)

  @key = construction.first.to_sym
  @value = construction.last

  @value = @value.first if @value.is_a?(Array)

  # @value = SPLAT_SENINEL if @value.nil?
  # @value = nil if @value.is_a?(OpenSSL::ASN1::ASN1Data) && @value.value.nil?
  @value = SPLAT_SENINEL if @value.is_a?(OpenSSL::ASN1::ASN1Data) && @value.value.nil?

  return if @value == SPLAT_SENINEL

  if KEY_INSTANCE_TAGS.include?(input.tag) && !@value.nil?
    @value = MooTool::Models::Certificate.parse_sik(@value)
  end

  @value = decode_construct(@value) if DECODE_TAGS.include?(input.tag)

  if OCTET_TAGS.include?(input.tag) && !@value.is_a?(MooTool::Models::Digest)
    @value = MooTool::Models::Digest.create(@value)
  end

  return unless SIGNATURE_TAGS.include?(input.tag)

  @value = decode_construct(input.value[0].value[1].value)
rescue StandardError
  raise MooTool::Error,
        "Failure to parse KeyValueProperty: #{@key} with value #{@value} of type #{@value.class}"
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/mootool/models/img4/key_value_property.rb', line 11

def key
  @key
end

#object ⇒ Object (readonly)

Returns the value of attribute object.



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# File 'lib/mootool/models/img4/key_value_property.rb', line 11

def object
  @object
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/mootool/models/img4/key_value_property.rb', line 11

def value
  @value
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/mootool/models/img4/key_value_property.rb', line 64

def inspect
  to_h.inspect
end

#to_h ⇒ Object 



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# File 'lib/mootool/models/img4/key_value_property.rb', line 60

def to_h
  { @key => @value }
end