Sha256: 0b31bce377508ccede7915a3a26c494795d90b087e45df01a604875841584789
Contents?: true
Size: 1.17 KB
Versions: 7
Compression:
Stored size: 1.17 KB
Contents
module Vedeu
class InvalidCommand < StandardError; end
class Command
class << self
def define(name, klass, args = [], options = {})
new(name, klass, args, options).define
end
end
def initialize(name, klass, args = [], options = {})
@name, @klass, @args, @options = name, klass, args, options
end
def define
{ name => executable } if valid?
end
private
attr_reader :name, :klass, :args, :options
def executable
Proc.new { klass.dispatch(*args) }
end
def valid?
empty_name? || empty_klass? || klass_defined? || dispatch_defined? || true
end
def empty_name?
raise InvalidCommand, "Command name is missing." if name.to_s.empty?
end
def empty_klass?
raise InvalidCommand, "Command class is missing." if klass.to_s.empty?
end
def klass_defined?
unless Object.const_defined?(klass.to_s)
raise InvalidCommand, "Command class is not defined."
end
end
def dispatch_defined?
unless klass.singleton_methods(false).include?(:dispatch)
raise InvalidCommand, "Command dispatch method is not defined."
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems