Class: Cuboid::OptionGroup

Inherits:
Object show all
Defined in:
lib/cuboid/option_group.rb

Overview

Author:

Defined Under Namespace

Classes: Error

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OptionGroup 



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# File 'lib/cuboid/option_group.rb', line 42

def initialize
    defaults.each do |k, v|
        send "#{k}=", v
    end
end

Class Method Details

.attr_accessor(*vars) ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 110

def self.attr_accessor( *vars )
    attributes.concat( vars )
    super( *vars )
end

.attributes ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 115

def self.attributes
    @attributes ||= []
end

.defaults ⇒ Hash 



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# File 'lib/cuboid/option_group.rb', line 14

def defaults
    @defaults ||= {}
end

.inherited(child) ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 37

def inherited( child )
    Options.register_group child
end

.set_defaults(default_values) ⇒ Object

Sets default values for attribute readers, when an attribute reader returns ‘nil` the default values will be returned instead.



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# File 'lib/cuboid/option_group.rb', line 23

def set_defaults( default_values )
    defaults.merge! default_values

    # Set the specified default values as overrides to the attribute
    # readers.
    defaults.each do |ivar, value|
        define_method "#{ivar}=" do |v|
            instance_variable_set( "@#{ivar}".to_sym, v.nil? ? value : v)
        end
    end

    defaults
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 79

def ==( other )
    hash == other.hash
end

#attributes ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 119

def attributes
    self.class.attributes
end

#defaults ⇒ Hash 



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# File 'lib/cuboid/option_group.rb', line 106

def defaults
    self.class.defaults
end

#hash ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 83

def hash
    to_h.hash
end

#merge(other) ⇒ OptionGroup 



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# File 'lib/cuboid/option_group.rb', line 101

def merge( other )
    update( other.to_h )
end

#to_h ⇒ Hash 



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# File 'lib/cuboid/option_group.rb', line 54

def to_h
    h = {}
    instance_variables.each do |ivar|
        method = normalize_ivar( ivar )
        sym    = method.to_sym
        value  = instance_variable_get( ivar )

        next if !respond_to?( "#{method}=" )

        h[sym] = value
    end
    h
end

#to_hash ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 67

def to_hash
    to_h
end

#to_rpc_data ⇒ Object 



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# File 'lib/cuboid/option_group.rb', line 48

def to_rpc_data
    to_h.my_stringify_keys(false)
end

#update(options) ⇒ OptionGroup 



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# File 'lib/cuboid/option_group.rb', line 92

def update( options )
    options.to_hash.each { |k, v| send( "#{k}=", v ) }
    self
end

#validate ⇒ Hash

This method is abstract.

Returns Hash of errors with the name of the invalid options as the keys.



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# File 'lib/cuboid/option_group.rb', line 75

def validate
    {}
end