Class: Reline::KeyStroke

Inherits:
Object
  • Object
show all
Defined in:
lib/reline/key_stroke.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ KeyStroke

Returns a new instance of KeyStroke.



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# File 'lib/reline/key_stroke.rb', line 14

def initialize(config)
  @config = config
end

Instance Method Details

#expand(input) ⇒ Object 



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# File 'lib/reline/key_stroke.rb', line 34

def expand(input)
  lhs = key_mapping.keys.select { |item| input.start_with? item }.sort_by(&:size).reverse.first
  return input unless lhs
  rhs = key_mapping[lhs]

  case rhs
  when String
    rhs_bytes = rhs.bytes
    expand(expand(rhs_bytes) + expand(input.drop(lhs.size)))
  when Symbol
    [rhs] + expand(input.drop(lhs.size))
  when Array
    rhs
  end
end

#match_status(input) ⇒ Object 



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# File 'lib/reline/key_stroke.rb', line 18

def match_status(input)
  key_mapping.keys.select { |lhs|
    lhs.start_with? input
  }.tap { |it|
    return :matched  if it.size == 1 && (it.max_by(&:size)&.size&.== input.size)
    return :matching if it.size == 1 && (it.max_by(&:size)&.size&.!= input.size)
    return :matched  if it.max_by(&:size)&.size&.< input.size
    return :matching if it.size > 1
  }
  key_mapping.keys.select { |lhs|
    input.start_with? lhs
  }.tap { |it|
    return it.size > 0 ? :matched : :unmatched
  }
end