diff options
Diffstat (limited to 'lib/reline/key_stroke.rb')
-rw-r--r-- | lib/reline/key_stroke.rb | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/lib/reline/key_stroke.rb b/lib/reline/key_stroke.rb deleted file mode 100644 index ac0a820759..0000000000 --- a/lib/reline/key_stroke.rb +++ /dev/null @@ -1,74 +0,0 @@ -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 - @buffer = [] - end - - def input_to(bytes) - case match_status(bytes) - when :matching - nil - when :matched - expand(bytes) - when :unmatched - bytes - end - end - - def input_to!(bytes) - @buffer.concat Array(bytes) - input_to(@buffer)&.tap { clear } - end - - private - - 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 { |lhs| input.start_with? lhs }.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 - - def key_mapping - @config[:key_mapping].transform_keys(&:bytes) - end - - def clear - @buffer = [] - end -end |