Class: MGit::Command

Inherits:
Object
  • Object
show all
Includes:
Output
Defined in:
lib/mgit/command.rb

Constant Summary collapse

@@commands = 
{}
@@aliases = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Output

#perror, #pinfo, #psystem, #ptable, #pwarn

Class Method Details

.create(cmd) ⇒ Object 



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# File 'lib/mgit/command.rb', line 49

def self.create(cmd)
  cmd = cmd.downcase.to_sym
  klass = @@commands[cmd] || @@aliases[cmd]
  if klass
    klass.new
  else
    fail UnknownCommandError, cmd
  end
end

.execute(name, args) ⇒ Object 



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# File 'lib/mgit/command.rb', line 13

def self.execute(name, args)
  cmd = create(name)
  cmd.check_arity(args)
  cmd.execute(args)
end

.instance_each ⇒ Object 



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# File 'lib/mgit/command.rb', line 31

def self.instance_each
  @@commands.each do |_, klass|
    yield klass.new
  end
end

.list ⇒ Object 



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# File 'lib/mgit/command.rb', line 27

def self.list
  '[' + @@commands.keys.join(', ') + ']'
end

.load_commands ⇒ Object 



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# File 'lib/mgit/command.rb', line 8

def self.load_commands
  require_commands_from_directory File.expand_path('../commands', __FILE__)
  require_commands_from_directory Configuration.plugindir
end

.register_alias(cmd) ⇒ Object 



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# File 'lib/mgit/command.rb', line 23

def self.register_alias(cmd)
  @@aliases[cmd] = self
end

.register_command(cmd) ⇒ Object 



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# File 'lib/mgit/command.rb', line 19

def self.register_command(cmd)
  @@commands[cmd] = self
end

.require_commands_from_directory(dir) ⇒ Object 



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# File 'lib/mgit/command.rb', line 59

def self.require_commands_from_directory(dir)
  Dir["#{dir}/*.rb"].each { |file| require file }
end

Instance Method Details

#check_arity(args) ⇒ Object 



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# File 'lib/mgit/command.rb', line 37

def check_arity(args)
  arity_min, arity_max = arity
  fail TooFewArgumentsError, self if arity_min && args.size < arity_min
  fail TooManyArgumentsError, self if arity_max && args.size > arity_max
end