Sha256: c103bae514e048bf1dd028c30c58b6ba3469b01bae7530ccef394ea9258a8240
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Size: 1.29 KB
Versions: 7
Compression:
Stored size: 1.29 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 respond_to?(:parent) && parent != self && parent.respond_to?(m)
parent.send(m,*args,&block)
else
super
end
end
end
end
def self.included(receiver)
receiver.extend ClassMethods
receiver.send :include, InstanceMethods
end
end
Version data entries
7 entries across 7 versions & 3 rubygems