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Versions: 37
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Contents
require 'set'
class V8::Access
module Names
def names(obj)
accessible_names(obj)
end
def get(obj, name, &dontintercept)
methods = accessible_names(obj)
if methods.include?(name)
method = obj.method(name)
method.arity == 0 ? method.call : method.unbind
elsif obj.respond_to?(:[]) && !special?(name)
obj.send(:[], name, &dontintercept)
else
yield
end
end
def set(obj, name, value, &dontintercept)
setter = name + "="
methods = accessible_names(obj, true)
if methods.include?(setter)
obj.send(setter, value)
elsif obj.respond_to?(:[]=) && !special?(name)
obj.send(:[]=, name, value, &dontintercept)
else
yield
end
end
def query(obj, name, attributes, &dontintercept)
if obj.respond_to?(name)
attributes.dont_delete
unless obj.respond_to?(name + "=")
attributes.read_only
end
else
yield
end
end
def delete(obj, name, &dontintercept)
yield
end
def accessible_names(obj, special_methods = false)
obj.public_methods(false).map {|m| m.to_s}.to_set.tap do |methods|
ancestors = obj.class.ancestors.dup
while ancestor = ancestors.shift
break if ancestor == ::Object
methods.merge(ancestor.public_instance_methods(false).map {|m| m.to_s})
end
methods.reject!(&special?) unless special_methods
end
end
private
def special?(name = nil)
@special ||= lambda {|m| m == "[]" || m == "[]=" || m =~ /=$/}
name.nil? ? @special : @special[name]
end
end
end
Version data entries
37 entries across 37 versions & 8 rubygems