Sha256: bcbc620a1373eeb459dff1df51ec5d9cd4d1a19425e560230a7159859f62ccf8
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Size: 1.89 KB
Versions: 13
Compression:
Stored size: 1.89 KB
Contents
require 'set'
require 'warp/dir/errors'
require 'warp/dir/formatter'
require 'singleton'
module Warp
module Dir
class Commander
include Singleton
attr_reader :commands
attr_accessor :command_map
def initialize
@commands ||= Set.new # a pre-caution, normally it would already by defined by now
@command_map = {}
end
def register(command)
@commands << command if command
self
end
def installed_commands
@commands.map(&:command_name)
end
def lookup(command_name)
reindex!
command_map[command_name]
end
def find(command_name)
command = lookup(command_name)
if command.nil?
raise ::Warp::Dir::Errors::InvalidCommand.new(command_name)
end
command
end
def run(command_name, *args)
cmd = find command_name
raise ::Warp::Dir::Errors::InvalidCommand.new(command_name) unless cmd.is_a?(warp::Dir::Command)
cmd.new(*args).run
end
def reindex!
commands.each do |command|
if command.respond_to?(:aliases)
command.aliases.each do |an_alias|
if self.command_map[an_alias] && !self.command_map[an_alias] == command
raise Warp::Dir::Errors::InvalidCommand.new("Duplicate alias for command #{command}")
end
self.command_map[an_alias] = command
end
end
self.command_map[command.command_name] = command
end
self
end
def validate!
self.commands.delete_if do |subclass|
if !subclass.respond_to?(:abstract_class?) && !subclass.method_defined?(:run)
raise ::Warp::Dir::Errors::InvalidCommand.new(subclass)
end
subclass.respond_to?(:abstract_class?) || !subclass.method_defined?(:run)
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems