free_mutant/lib/mutant/matcher/namespace.rb
2013-04-22 12:45:15 +02:00

71 lines
1.3 KiB
Ruby

module Mutant
class Matcher
# Matcher for specific namespace
class Namespace < self
include Concord.new(:namespace)
# Enumerate subjects
#
# @return [self]
# if block given
#
# @return [Enumerator<Subject>]
# otherwise
#
# @api private
#
def each(&block)
return to_enum unless block_given?
scopes.each do |scope|
Scope.each(scope, &block)
end
self
end
private
# Return pattern
#
# @return [Regexp]
#
# @api private
#
def pattern
%r(\A#{Regexp.escape(namespace.name)}(?:::)?)
end
memoize :pattern
# Return scope enumerator
#
# @return [Enumerable<Object>]
#
# @api private
#
def scopes(&block)
return to_enum(__method__) unless block_given?
::ObjectSpace.each_object(Module).each do |scope|
emit_scope(scope, &block)
end
end
# Yield scope if name matches pattern
#
# @param [Module,Class] scope
#
# @return [undefined]
#
# @api private
#
def emit_scope(scope)
if pattern =~ scope.name
yield scope
end
end
end
end
end