Sha256: 0197044bdad346a84ecd4c9fd6b8c968c76a67e664d772a8b46bd371a7fac583
Contents?: true
Size: 1.34 KB
Versions: 6
Compression:
Stored size: 1.34 KB
Contents
module Parenting
module ClassMethods
end
module InstanceMethods
def context_stack
$context_stack ||= []
end
def run_in_context(&block)
@parent = parent
context_stack.push self
this_context.instance_eval &block if block
context_stack.pop
head
end
def head
context_stack.first
end
def this_context
# @this_context ||= context_stack.last
context_stack.last
end
def parent
@parent ||= current_context[-1] == self ? current_context[-2] : current_context[-1]
end
def current_context
@current_context ||= context_stack[0..depth]
end
def depth
@depth ||= context_stack.size
end
def this
@this ||= self
end
def method_missing(m,*args,&block)
if block
if args.empty?
super
else
inst = args[0]
context_stack.push self
inst.instance_eval(&block)
context_stack.pop
end
else
if parent && parent != self
begin
parent.send(m,*args,&block)
rescue NoMethodError => e
super
end
else
super
end
end
end
end
def self.included(receiver)
receiver.extend ClassMethods
receiver.send :include, InstanceMethods
end
end
Version data entries
6 entries across 6 versions & 2 rubygems