зеркало из https://github.com/github/ruby.git
56 строки
1.2 KiB
Ruby
56 строки
1.2 KiB
Ruby
class Reline::KeyStroke
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using Module.new {
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refine Array do
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def start_with?(other)
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other.size <= size && other == self.take(other.size)
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end
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def bytes
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self
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end
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end
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}
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def initialize(config)
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@config = config
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end
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def match_status(input)
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key_mapping.keys.select { |lhs|
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lhs.start_with? input
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}.tap { |it|
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return :matched if it.size == 1 && (it.max_by(&:size)&.size&.== input.size)
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return :matching if it.size == 1 && (it.max_by(&:size)&.size&.!= input.size)
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return :matched if it.max_by(&:size)&.size&.< input.size
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return :matching if it.size > 1
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}
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key_mapping.keys.select { |lhs|
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input.start_with? lhs
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}.tap { |it|
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return it.size > 0 ? :matched : :unmatched
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}
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end
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def expand(input)
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lhs = key_mapping.keys.select { |item| input.start_with? item }.sort_by(&:size).reverse.first
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return input unless lhs
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rhs = key_mapping[lhs]
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case rhs
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when String
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rhs_bytes = rhs.bytes
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expand(expand(rhs_bytes) + expand(input.drop(lhs.size)))
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when Symbol
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[rhs] + expand(input.drop(lhs.size))
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when Array
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rhs
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end
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end
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private
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def key_mapping
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@config.key_bindings
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end
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end
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