class Samovar::Split
Attributes
default[R]
description[R]
key[R]
marker[R]
required[R]
Public Class Methods
new(key, description, marker: '--', default: nil, required: false)
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# File lib/samovar/split.rb, line 8 def initialize(key, description, marker: '--', default: nil, required: false) @key = key @description = description @marker = marker @default = default @required = required end
Public Instance Methods
parse(input, parent = nil, default = nil)
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# File lib/samovar/split.rb, line 38 def parse(input, parent = nil, default = nil) if offset = input.index(@marker) input.pop(input.size - offset).tap(&:shift) elsif default ||= @default return default elsif @required raise MissingValueError.new(parent, self) end end
to_a()
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# File lib/samovar/split.rb, line 26 def to_a usage = [to_s, @description] if @default usage << "(default: #{@default.inspect})" elsif @required usage << "(required)" end return usage end
to_s()
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# File lib/samovar/split.rb, line 22 def to_s "#{@marker} <#{@key}...>" end