# Class: Cri::OptionDefinition

Inherits:
  Object
  - Object
  - Cri::OptionDefinition
  show all

Defined in:
  lib/cri/option_definition.rb

## Overview

The definition of an option.

## Instance Attribute Summary collapse

- #argument ⇒ Object readonly

  Returns the value of attribute argument.

- #block ⇒ Object readonly

  Returns the value of attribute block.

- #default ⇒ Object readonly

  Returns the value of attribute default.

- #desc ⇒ Object readonly

  Returns the value of attribute desc.

- #hidden ⇒ Object readonly

  Returns the value of attribute hidden.

- #long ⇒ Object readonly

  Returns the value of attribute long.

- #multiple ⇒ Object readonly

  Returns the value of attribute multiple.

- #short ⇒ Object readonly

  Returns the value of attribute short.

- #transform ⇒ Object readonly

  Returns the value of attribute transform.

## Instance Method Summary collapse

- #formatted_name ⇒ Object
- #initialize(short:, long:, desc:, argument:, multiple:, block:, hidden:, default:, transform:) ⇒ OptionDefinition constructor

  A new instance of OptionDefinition.

- #to_h ⇒ Object

## Constructor Details

### #initialize(short:, long:, desc:, argument:, multiple:, block:, hidden:, default:, transform:) ⇒ `OptionDefinition`

Returns a new instance of OptionDefinition

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    # File 'lib/cri/option_definition.rb', line 16

    def initialize(short:, long:, desc:, argument:, multiple:, block:, hidden:, default:, transform:)
      @short     = short
      @long      = long
      @desc      = desc
      @argument  = argument
      @multiple  = multiple
      @block     = block
      @hidden    = hidden
      @default   = default
      @transform = transform

      if @short.nil? && @long.nil?
        raise ArgumentError, 'short and long options cannot both be nil'
      end

      if @default && @argument == :forbidden
        raise ArgumentError, 'a default value cannot be specified for flag options'
      end

      @default = false if @argument == :forbidden
    end

## Instance Attribute Details

### #argument ⇒ `Object` (readonly)

Returns the value of attribute argument

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    # File 'lib/cri/option_definition.rb', line 9

    def argument
      @argument
    end

### #block ⇒ `Object` (readonly)

Returns the value of attribute block

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    # File 'lib/cri/option_definition.rb', line 11

    def block
      @block
    end

### #default ⇒ `Object` (readonly)

Returns the value of attribute default

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    # File 'lib/cri/option_definition.rb', line 13

    def default
      @default
    end

### #desc ⇒ `Object` (readonly)

Returns the value of attribute desc

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    # File 'lib/cri/option_definition.rb', line 8

    def desc
      @desc
    end

### #hidden ⇒ `Object` (readonly)

Returns the value of attribute hidden

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    # File 'lib/cri/option_definition.rb', line 12

    def hidden
      @hidden
    end

### #long ⇒ `Object` (readonly)

Returns the value of attribute long

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    # File 'lib/cri/option_definition.rb', line 7

    def long
      @long
    end

### #multiple ⇒ `Object` (readonly)

Returns the value of attribute multiple

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    # File 'lib/cri/option_definition.rb', line 10

    def multiple
      @multiple
    end

### #short ⇒ `Object` (readonly)

Returns the value of attribute short

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    # File 'lib/cri/option_definition.rb', line 6

    def short
      @short
    end

### #transform ⇒ `Object` (readonly)

Returns the value of attribute transform

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    # File 'lib/cri/option_definition.rb', line 14

    def transform
      @transform
    end

## Instance Method Details

### #formatted_name ⇒ `Object`

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    # File 'lib/cri/option_definition.rb', line 52

    def formatted_name
      @long ? '--' + @long : '-' + @short
    end

### #to_h ⇒ `Object`

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    # File 'lib/cri/option_definition.rb', line 38

    def to_h
      {
        short: @short,
        long: @long,
        desc: @desc,
        argument: @argument,
        multiple: @multiple,
        block: @block,
        hidden: @hidden,
        default: @default,
        transform: @transform,
      }
    end