Class: Samovar::Many
- Inherits:
-
Object
- Object
- Samovar::Many
- Defined in:
- lib/samovar/many.rb
Instance Attribute Summary collapse
-
#default ⇒ Object
readonly
Returns the value of attribute default.
-
#description ⇒ Object
readonly
Returns the value of attribute description.
-
#key ⇒ Object
readonly
Returns the value of attribute key.
-
#required ⇒ Object
readonly
Returns the value of attribute required.
-
#stop ⇒ Object
readonly
Returns the value of attribute stop.
Instance Method Summary collapse
-
#initialize(key, description, stop: /^-/, default: nil, required: false) ⇒ Many
constructor
A new instance of Many.
- #parse(input, parent = nil, default = nil) ⇒ Object
- #to_a ⇒ Object
- #to_s ⇒ Object
Constructor Details
#initialize(key, description, stop: /^-/, default: nil, required: false) ⇒ Many
Returns a new instance of Many.
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# File 'lib/samovar/many.rb', line 23 def initialize(key, description, stop: /^-/, default: nil, required: false) @key = key @description = description @stop = stop @default = default @required = required end |
Instance Attribute Details
#default ⇒ Object (readonly)
Returns the value of attribute default.
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# File 'lib/samovar/many.rb', line 34 def default @default end |
#description ⇒ Object (readonly)
Returns the value of attribute description.
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# File 'lib/samovar/many.rb', line 32 def description @description end |
#key ⇒ Object (readonly)
Returns the value of attribute key.
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# File 'lib/samovar/many.rb', line 31 def key @key end |
#required ⇒ Object (readonly)
Returns the value of attribute required.
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# File 'lib/samovar/many.rb', line 35 def required @required end |
#stop ⇒ Object (readonly)
Returns the value of attribute stop.
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# File 'lib/samovar/many.rb', line 33 def stop @stop end |
Instance Method Details
#parse(input, parent = nil, default = nil) ⇒ Object
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# File 'lib/samovar/many.rb', line 53 def parse(input, parent = nil, default = nil) if @stop and stop_index = input.index{|item| @stop === item} input.shift(stop_index) elsif input.any? input.shift(input.size) elsif default ||= @default return default elsif @required raise MissingValueError.new(parent, self) end end |
#to_a ⇒ Object
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# File 'lib/samovar/many.rb', line 41 def to_a usage = [to_s, @description] if @default usage << "(default: #{@default.inspect})" elsif @required usage << "(required)" end return usage end |
#to_s ⇒ Object
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# File 'lib/samovar/many.rb', line 37 def to_s "<#{key}...>" end |