Class: GLI::GLIOptionParser::NormalCommandOptionParser

Inherits:
Object
  • Object
show all
Defined in:
lib/gli/gli_option_parser.rb

Direct Known Subclasses

LegacyCommandOptionParser

Instance Method Summary collapse

Constructor Details

#initialize(accepts) ⇒ NormalCommandOptionParser

Returns a new instance of NormalCommandOptionParser.



43
44
45
 
# File 'lib/gli/gli_option_parser.rb', line 43

def initialize(accepts)
  @accepts = accepts
end

Instance Method Details

#error_handler ⇒ Object 



47
48
49
50
51
 
# File 'lib/gli/gli_option_parser.rb', line 47

def error_handler
  lambda { |message,extra_error_context| 
    raise UnknownCommandArgument.new(message,extra_error_context)
  }
end

#parse!(parsing_result) ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
 
# File 'lib/gli/gli_option_parser.rb', line 53

def parse!(parsing_result)
  parsed_command_options = {}
  command = parsing_result.command
  arguments = nil

  loop do
    option_parser_factory       = OptionParserFactory.for_command(command,@accepts)
    option_block_parser         = CommandOptionBlockParser.new(option_parser_factory, self.error_handler)
    option_block_parser.command = command
    arguments                   = parsing_result.arguments

    arguments = option_block_parser.parse!(arguments)

    parsed_command_options[command] = option_parser_factory.options_hash_with_defaults_set!
    command_finder                  = CommandFinder.new(command.commands,command.get_default_command)
    next_command_name               = arguments.shift

    begin
      command = command_finder.find_command(next_command_name)
    rescue AmbiguousCommand
      arguments.unshift(next_command_name)
      break
    rescue UnknownCommand
      arguments.unshift(next_command_name)
      # Although command finder could certainy know if it should use
      # the default command, it has no way to put the "unknown command"
      # back into the argument stack.  UGH.
      unless command.get_default_command.nil?
        command = command_finder.find_command(command.get_default_command)
      end
      break
    end
  end
  parsed_command_options[command] ||= {}
  command_options = parsed_command_options[command]

  this_command          = command.parent
  child_command_options = command_options

  while this_command.kind_of?(command.class)
    this_command_options = parsed_command_options[this_command] || {}
    child_command_options[GLI::Command::PARENT] = this_command_options
    this_command = this_command.parent
    child_command_options = this_command_options
  end

  parsing_result.command_options = command_options
  parsing_result.command = command
  parsing_result.arguments = Array(arguments.compact)
  parsing_result
end