Module: Vnehm::CommandManager

Defined in:
lib/vnehm/command_manager.rb

Overview

The command manager contains information about all vnehm commands It also find and run them

Constant Summary collapse

COMMANDS = 
[
  :authorize,
  :configure,
  :dl,
  :get,
  :help,
  :list,
  :search,
  :version
]

Class Method Summary collapse

Class Method Details

.command_instance(command_name) ⇒ Object 



48
49
50
51
52
53
54
 
# File 'lib/vnehm/command_manager.rb', line 48

def self.command_instance(command_name)
  command_name = command_name.to_s
  const_name = command_name.capitalize << 'Command'

  require "vnehm/commands/#{command_name}_command"
  Vnehm.const_get(const_name).new
end

.find_command(cmd_name) ⇒ Object 



31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/vnehm/command_manager.rb', line 31

def self.find_command(cmd_name)
  possibilities = find_command_possibilities(cmd_name)

  if possibilities.size > 1
    UI.term "Неоднозначная команда #{cmd_name} соответствует [#{possibilities.join(', ')}]"
  elsif possibilities.empty?
    UI.term "Команда #{cmd_name} неизвестна"
  end

  command_instance(possibilities.first)
end

.find_command_possibilities(cmd_name) ⇒ Object 



43
44
45
46
 
# File 'lib/vnehm/command_manager.rb', line 43

def self.find_command_possibilities(cmd_name)
  len = cmd_name.length
  COMMANDS.select { |command| command[0, len] == cmd_name }
end

.run(args) ⇒ Object

Run the command specified by ‘args’



25
26
27
28
29
 
# File 'lib/vnehm/command_manager.rb', line 25

def self.run(args)
  cmd_name = args.shift.downcase
  cmd = find_command(cmd_name)
  cmd.invoke(args)
end