Class: Msf::OptIntRange
- Defined in:
- lib/msf/core/opt_int_range.rb
Overview
Integer range option. A maximum value can be specified. Negative numbers are not supported due to - being used for ranges. Numbers can be excluded by using the ! prefix.
Instance Attribute Summary collapse
-
#maximum ⇒ Object
readonly
Returns the value of attribute maximum.
Attributes inherited from OptBase
#advanced, #aliases, #conditions, #default, #desc, #enums, #evasion, #fallbacks, #max_length, #name, #owner, #regex, #required
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(in_name, attrs = [], required: true, **kwargs) ⇒ OptIntRange
constructor
A new instance of OptIntRange.
- #normalize(value) ⇒ Object
- #type ⇒ Object
- #valid?(value, check_empty: true) ⇒ Boolean
Methods inherited from OptBase
#advanced?, #display_value, #empty_required_value?, #evasion?, #invalid_value_length?, #required?, #type?, #validate_on_assignment?
Constructor Details
#initialize(in_name, attrs = [], required: true, **kwargs) ⇒ OptIntRange
Returns a new instance of OptIntRange.
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# File 'lib/msf/core/opt_int_range.rb', line 14 def initialize(in_name, attrs = [], required: true, **kwargs) super @maximum = kwargs.fetch(:maximum, nil) end |
Instance Attribute Details
#maximum ⇒ Object (readonly)
Returns the value of attribute maximum.
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# File 'lib/msf/core/opt_int_range.rb', line 12 def maximum @maximum end |
Class Method Details
.parse(value) ⇒ Object
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# File 'lib/msf/core/opt_int_range.rb', line 39 def self.parse(value) include = [] exclude = [] value.split(',').each do |range_str| destination = range_str.start_with?('!') ? exclude : include range_str.delete_prefix!('!') if range_str.include?('-') start_range, end_range = range_str.split('-').map(&:to_i) range = (start_range..end_range) else single_value = range_str.to_i range = (single_value..single_value) end destination << range end Enumerator.new do |yielder| include.each do |include_range| include_range.each do |num| break if @maximum && num > @maximum next if exclude.any? { |exclude_range| exclude_range.cover?(num) } yielder << num end end end end |
Instance Method Details
#normalize(value) ⇒ Object
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# File 'lib/msf/core/opt_int_range.rb', line 24 def normalize(value) value.to_s.gsub(/\s/, '') end |
#type ⇒ Object
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# File 'lib/msf/core/opt_int_range.rb', line 20 def type 'integer range' end |
#valid?(value, check_empty: true) ⇒ Boolean
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# File 'lib/msf/core/opt_int_range.rb', line 28 def valid?(value, check_empty: true) return false if check_empty && empty_required_value?(value) if value.present? value = value.to_s.gsub(/\s/, '') return false unless value =~ /\A(!?\d+|!?\d+-\d+)(,(!?\d+|!?\d+-\d+))*\Z/ end super end |