Class: BunBun::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/bunbun/cli.rb

Defined Under Namespace

Classes: Command, Countries, Keys, Purge, Regions, StorageCommand, StorageDelete, StorageDownload, StorageEdit, StorageFiles, StorageUpload, StorageZone, StorageZoneCreate, StorageZones, Zone, ZoneCreate, ZonePurge, ZoneRulesDelete, ZoneRulesDisenable, ZoneRulesEnable, ZoneRulesPost, Zones

Constant Summary collapse

Error = 
Class.new(StandardError)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.command(key) ⇒ Object 



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# File 'lib/bunbun/cli.rb', line 15

def self.command(key)
  autoload_path = 'bunbun/cli/' + key.join('_')

  autoload command_class_name(key), autoload_path

  commands << key
end

.command_class_name(key) ⇒ Object 



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# File 'lib/bunbun/cli.rb', line 23

def self.command_class_name(key)
  key.map(&:capitalize).join.to_sym
end

.commands ⇒ Object 



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# File 'lib/bunbun/cli.rb', line 11

def self.commands
  @commands ||= []
end

Instance Method Details

#call(args) ⇒ Object 



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# File 'lib/bunbun/cli.rb', line 48

def call(args)
  if args.empty? || args.size == 1 && args.first == '--help'
    print_usage

    return
  end

  option_args, command_args = args.partition { _1.start_with?('-') }

  key = self.class.commands.find { command_args.first(_1.length) == _1 }

  if key.nil?
    error "#{command_args.join(' ')} is not a valid command"
  end

  command_class = get_command_class(key)

  command = command_class.new

  if option_parser = command.option_parser
    command.options = {}

    option_parser.parse(option_args, into: command.options)
  end

  command_args = command_args.drop(key.length)

  if command_args.length < command_class.argument_count
    error "not enough arguments (expected #{command_class.argument_count})"
  elsif command_args.length > command_class.argument_count
    error "too many arguments (expected #{command_class.argument_count})"
  end

  command.call(*command_args)
rescue OptionParser::InvalidOption
  error 'invalid option'
rescue OptionParser::MissingArgument
  error 'missing option argument'
rescue BunBun::Error, BunBun::CLI::Error => exception
  error exception.message
end