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module SugarCube
# A subclass of Hash that allows its keys to be accessed and assigned by
# method name. Useful to quickly mock objects. To that end, a
# `NoMethodError` is raised anytime the key doesn't exist (getter or setter)
#
# You can convert an existing Hash or NSDictionary into a Anonymous using the
# constructor `SugarCube::Anonymous[hash]`, or you can call `to_object` on a
# dictionary or hash.
#
# @example
# obj = {
# 'first_name': 'Katsuyoshi', # strings
# company: 'Ito Soft Design', # and symbols are supported
# great: true,
# }.to_object
#
# obj.first_name
# # => 'Katsuyoshi'
# obj.company
# # => 'Ito Soft Design'
# # adding a '?' will return true/false
# obj.great?
# # => true
# obj.great
# # => true
#
# obj.bla # => raises NoMethodError
# obj.bla = 'bla' # => raises NoMethodError
class Anonymous < Hash
def method_missing(symbol, *args)
if args.size == 0
if symbol.to_s[-1] == '?'
symbol = symbol.to_s[0...-1].to_sym
return_bool = true
else
return_bool = false
end
key = symbol
key = symbol.to_s unless self.include? key
if self.include?(key)
self[key] = self[key].to_object
if return_bool
return !! self[key]
end
return self[key]
end
elsif args.size == 1 && /(.*)=$/ =~ symbol.to_s
key = $1.to_sym
key = key.to_s unless self.include? key
if self.include?(key)
return self[key] = args.first.to_object
end
end
return super
end
def to_object
self
end
# replace enumerable methods
alias :anonymous_each :each
def each
anonymous_each {|k,v| yield k, v.to_object}
end
end
end
class NSObject
def to_object
self
end
end
class NSDictionary
def to_object
SugarCube::Anonymous[self]
end
end
Version data entries
24 entries across 24 versions & 1 rubygems