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Contents
module Protobuf
module Field
class FieldArray < Array
##
# Constructor
#
def initialize(field)
@field = field
end
##
# Public Instance Methods
#
def []=(nth, val)
super(nth, normalize(val)) unless val.nil?
end
def <<(val)
super(normalize(val)) unless val.nil?
end
def push(val)
super(normalize(val)) unless val.nil?
end
def unshift(val)
super(normalize(val)) unless val.nil?
end
def replace(val)
raise_type_error(val) unless val.is_a?(Array)
val = val.map! { |v| normalize(v) }
super(val)
end
# Return a hash-representation of the given values for this field type.
# The value in this case would be an array.
def to_hash_value
self.map do |value|
value.respond_to?(:to_hash_value) ? value.to_hash_value : value
end
end
def to_s
"[#{@field.name}]"
end
private
##
# Private Instance Methods
#
def normalize(value)
value = value.to_proto if value.respond_to?(:to_proto)
raise TypeError unless @field.acceptable?(value)
if @field.is_a?(::Protobuf::Field::EnumField)
@field.type.fetch(value)
elsif @field.is_a?(::Protobuf::Field::MessageField) && value.respond_to?(:to_hash)
@field.type.new(value.to_hash)
else
value
end
end
def raise_type_error(val)
error_text = <<-TYPE_ERROR
Expected value of type '#{@field.type}'
Got '#{val.class}' for protobuf field #{@field.name}
TYPE_ERROR
raise TypeError, error_text
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems