class Fir::BackspaceCommand
Public Class Methods
character_regex()
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# File lib/fir/key_command/backspace_command.rb, line 8 def self.character_regex /^\177$/ end
Public Instance Methods
execute_hook(new_state)
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# File lib/fir/key_command/backspace_command.rb, line 12 def execute_hook(new_state) unless state.blank? if state.cursor.x.positive? new_state.cursor = state.cursor.left(1) new_line = state.current_line.clone new_line.delete_at(state.cursor.x - 1) new_state.current_line = new_line elsif state.cursor.x.zero? && state.cursor.y.positive? new_state.cursor = state.cursor.up.right(state.lines[state.cursor.y - 1].length) new_state.lines = state.lines.remove end end new_state end