зеркало из https://github.com/github/ruby.git
54 строки
1.2 KiB
Ruby
54 строки
1.2 KiB
Ruby
class Reline::KeyStroke
|
|
using Module.new {
|
|
refine Array do
|
|
def start_with?(other)
|
|
other.size <= size && other == self.take(other.size)
|
|
end
|
|
|
|
def bytes
|
|
self
|
|
end
|
|
end
|
|
}
|
|
|
|
def initialize(config)
|
|
@config = config
|
|
end
|
|
|
|
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
|
|
|
|
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))
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def key_mapping
|
|
@config.key_bindings
|
|
end
|
|
end
|