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Contents
module Woyo
module DSL
def evaluate &block
(block.arity < 1 ? (instance_eval &block) : block.call(self)) if block_given?
self
end
module ClassMethods
def children *childs
@children ||= []
return @children if childs.empty?
childs.each { |child| @children << child unless @children.include? child }
@children.each do |child|
class_eval("
def #{child}s
( @children ||= {} )[:#{child}] ||= ( @#{child}s ||= {} )
end
def #{child} child_or_id, &block
#{child} = child_or_id.kind_of?( #{child.capitalize} ) ? child_or_id : nil
id = #{child} ? #{child}.id : child_or_id
known = self.#{child}s[id] ? true : false
case
when #{child} && known && block_given? then #{child}.evaluate &block
when #{child} && known && !block_given? then #{child}
when #{child} && !known && block_given? then self.#{child}s[id] = #{child}.evaluate &block
when #{child} && !known && !block_given? then self.#{child}s[id] = #{child}
when !#{child} && known && block_given? then #{child} = self.#{child}s[id].evaluate &block
when !#{child} && known && !block_given? then #{child} = self.#{child}s[id]
when !#{child} && !known && block_given? then #{child} = self.#{child}s[id] = #{child.capitalize}.new id, context: self, &block
when !#{child} && !known && !block_given? then #{child} = self.#{child}s[id] = #{child.capitalize}.new id, context: self
end
# maybe: god-like lists of everything at world level... would need unique ids... self.world.#{child}s[id] = #{child} if !known && self.world
#{child}
end
")
end
end
end
def self.included(base)
base.extend(ClassMethods)
end
def children
@children ||= {}
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems