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Contents
require 'listings/dynamic_binding'
module Listings
class ScopeDescriptor
attr_accessor :human_name
attr_accessor :name
attr_accessor :params_lambda
def initialize(*args)
@props = args.extract_options!
@props.reverse_merge! default: false
@params_lambda = args.last if args.last.is_a? Proc
if args.first.is_a? ::Symbol
@name = args.first
@human_name = @name.to_s.humanize
else
@name = args.second
@human_name = args.first
end
end
def is_default?
@props[:default]
end
def apply(context, items)
if name == :all
items
else
if @params_lambda.nil?
items.send(name)
else
ls = ::DynamicBinding::LookupStack.new
ls.push_instance context
ls.run_proc @params_lambda, items
end
end
end
def deferred?
false
end
end
class DeferredScopeDescriptor
attr_accessor :block
def initialize(&block)
@block = block
end
def construct
@block.call
end
def deferred?
true
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems