/
options.rb
222 lines (186 loc) · 4.61 KB
/
options.rb
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# frozen_string_literal: true
module Faraday
# Subclasses Struct with some special helpers for converting from a Hash to
# a Struct.
class Options < Struct
# Public
def self.from(value)
value ? new.update(value) : new
end
# Public
def each
return to_enum(:each) unless block_given?
members.each do |key|
yield(key.to_sym, send(key))
end
end
# Public
def update(obj)
obj.each do |key, value|
sub_options = self.class.options_for(key)
if sub_options
new_value = sub_options.from(value) if value
elsif value.is_a?(Hash)
new_value = value.dup
else
new_value = value
end
send("#{key}=", new_value) unless new_value.nil?
end
self
end
# Public
def delete(key)
value = send(key)
send("#{key}=", nil)
value
end
# Public
def clear
members.each { |member| delete(member) }
end
# Public
def merge!(other)
other.each do |key, other_value|
self_value = send(key)
sub_options = self.class.options_for(key)
new_value = if self_value && sub_options && other_value
self_value.merge(other_value)
else
other_value
end
send("#{key}=", new_value) unless new_value.nil?
end
self
end
# Public
def merge(other)
dup.merge!(other)
end
# Public
def deep_dup
self.class.from(self)
end
# Public
def fetch(key, *args)
unless symbolized_key_set.include?(key.to_sym)
key_setter = "#{key}="
if !args.empty?
send(key_setter, args.first)
elsif block_given?
send(key_setter, Proc.new.call(key))
else
raise self.class.fetch_error_class, "key not found: #{key.inspect}"
end
end
send(key)
end
# Public
def values_at(*keys)
keys.map { |key| send(key) }
end
# Public
def keys
members.reject { |member| send(member).nil? }
end
# Public
def empty?
keys.empty?
end
# Public
def each_key
return to_enum(:each_key) unless block_given?
keys.each do |key|
yield(key)
end
end
# Public
def key?(key)
keys.include?(key)
end
alias has_key? key?
# Public
def each_value
return to_enum(:each_value) unless block_given?
values.each do |value|
yield(value)
end
end
# Public
def value?(value)
values.include?(value)
end
alias has_value? value?
# Public
def to_hash
hash = {}
members.each do |key|
value = send(key)
hash[key.to_sym] = value unless value.nil?
end
hash
end
# Internal
def inspect
values = []
members.each do |member|
value = send(member)
values << "#{member}=#{value.inspect}" if value
end
values = values.empty? ? ' (empty)' : (' ' << values.join(', '))
%(#<#{self.class}#{values}>)
end
# Internal
def self.options(mapping)
attribute_options.update(mapping)
end
# Internal
def self.options_for(key)
attribute_options[key]
end
# Internal
def self.attribute_options
@attribute_options ||= {}
end
def self.memoized(key, &block)
unless block_given?
raise ArgumentError, '#memoized must be called with a block'
end
memoized_attributes[key.to_sym] = block
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{key}() self[:#{key}]; end
RUBY
end
def self.memoized_attributes
@memoized_attributes ||= {}
end
def [](key)
key = key.to_sym
if (method = self.class.memoized_attributes[key])
super(key) || (self[key] = instance_eval(&method))
else
super
end
end
def symbolized_key_set
@symbolized_key_set ||= Set.new(keys.map(&:to_sym))
end
def self.inherited(subclass)
super
subclass.attribute_options.update(attribute_options)
subclass.memoized_attributes.update(memoized_attributes)
end
def self.fetch_error_class
@fetch_error_class ||= if Object.const_defined?(:KeyError)
::KeyError
else
::IndexError
end
end
end
end
require 'faraday/options/request_options'
require 'faraday/options/ssl_options'
require 'faraday/options/proxy_options'
require 'faraday/options/connection_options'
require 'faraday/options/env'