/
options_hash.rb
85 lines (68 loc) · 1.56 KB
/
options_hash.rb
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# encoding: UTF-8
require 'plucky/normalizers/options_hash_key'
require 'plucky/normalizers/options_hash_value'
module Plucky
class OptionsHash
attr_reader :source, :options
def initialize(hash={}, options={})
@source = {}
@options = options
hash.each { |key, value| self[key] = value }
end
def initialize_copy(source)
super
@source = @source.dup
@source.each do |key, value|
self[key] = value.clone if value.duplicable?
end
end
def [](key)
@source[key]
end
def []=(key, value)
key = normalized_key(key)
source[key] = normalized_value(key, value)
end
def keys
@source.keys
end
def ==(other)
source == other.source
end
def to_hash
source
end
def fields?
!self[:fields].nil?
end
def merge(other)
self.class.new(to_hash.merge(other.to_hash))
end
def merge!(other)
other.to_hash.each { |key, value| self[key] = value }
self
end
# Private
def normalized_key(key)
key_normalizer.call(key)
end
# Private
def normalized_value(key, value)
value_normalizer.call(key, value)
end
# Private
def key_normalizer
@key_normalizer ||= @options.fetch(:key_normalizer) {
Normalizers::OptionsHashKey.new
}
end
# Private
def value_normalizer
@value_normalizer ||= @options.fetch(:value_normalizer) {
Normalizers::OptionsHashValue.new({
:key_normalizer => key_normalizer,
})
}
end
end
end