Class: RawLine::Completer

Inherits:
Object
  • Object
show all
Defined in:
lib/rawline/completer.rb

Instance Method Summary collapse

Constructor Details

#initialize(char:, line:, completion:, completion_found:, completion_not_found:, completion_selected:, done:, keys:) ⇒ Completer

Returns a new instance of Completer.



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# File 'lib/rawline/completer.rb', line 4

def initialize(char:, line:, completion:, completion_found:, completion_not_found:, completion_selected:, done:, keys:)
  @completion_char = char
  @line = line
  @completion_proc = completion
  @completion_found_proc = completion_found
  @completion_not_found_proc = completion_not_found
  @completion_selected_proc = completion_selected
  @done_proc = done
  @keys = keys

  @completion_matches = HistoryBuffer.new(0) do |h|
    h.duplicates = false
    h.cycle = true
  end
  @completion_matches.empty

  @first_time = true
  @word_start = @line.word[:start]
end

Instance Method Details

#read_bytes(bytes) ⇒ Object 



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# File 'lib/rawline/completer.rb', line 24

def read_bytes(bytes)
  return unless bytes.any?

  # this is to prevent a series of bytes from coming in at one time
  # E.g. holding down the tab key or arrow keys
  bytes = bytes.uniq

  if @first_time
    matches = fetch_completions
    resize(matches)

    if matches.length == 1
      handle_one_match
    elsif matches.length > 1
      handle_more_than_one_match
    else
      handle_no_completions
    end

    @first_time = false
  elsif bytes.map(&:ord) == @keys[:left_arrow]
    select_previous
  elsif bytes.map(&:ord) == @keys[:right_arrow]
    select_next
  elsif bytes.map(&:ord) == @completion_char
    select_next
  else
    Treefell['editor'].puts "completer, done with leftover bytes: #{bytes.inspect}"
    @done_proc.call(bytes)
  end
end