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Versions: 13
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Contents
require 'active_support/core_ext/string/inflections'
require_relative '../exceptions'
module Attributor
class Class
include Type
def self.native_type
::Class
end
def self.load(value, context = Attributor::DEFAULT_ROOT_CONTEXT, **_options)
return value if value.is_a?(native_type)
return @klass || nil if value.nil?
# Must be given a String object or nil
unless value.is_a?(::String) || value.nil?
raise IncompatibleTypeError.new(context: context, value_type: value.class, type: self)
end
value = '::' + value if value[0..1] != '::'
result = value.constantize
# Class given must match class specified when type created using .of() method
unless @klass.nil? || result == @klass
raise LoadError, "Error loading class #{value} for attribute with " \
"defined class #{@klass} while loading #{Attributor.humanize_context(context)}."
end
result
end
def self.example(_context = nil, options: {})
@klass.nil? ? 'MyClass' : @klass.name
end
# Create a Class attribute type of a specific Class.
#
# @param klass [Class] optional, defines the class of this attribute, if constant
#
# @return anonymous class with specified type of collection members
#
# @example Class.of(Factory)
#
def self.of(klass)
::Class.new(self) do
@klass = klass
end
end
def self.family
'string'
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems