override fun toKeyNotation()

in vim-engine/src/main/kotlin/com/maddyhome/idea/vim/api/VimStringParserBase.kt [67:106]

• 40 lines of code
• 14 McCabe index (conditional complexity)

  override fun toKeyNotation(keyStroke: KeyStroke): String {
    val c = keyStroke.keyChar
    val keyCode = keyStroke.keyCode
    val modifiers = keyStroke.modifiers
    if (c != KeyEvent.CHAR_UNDEFINED && !isControlCharacter(c)) {
      return c.toString()
    }
    var prefix = ""
    if (modifiers and InputEvent.META_DOWN_MASK != 0) {
      prefix += "M-"
    }
    if (modifiers and InputEvent.ALT_DOWN_MASK != 0) {
      prefix += "A-"
    }
    if (modifiers and InputEvent.CTRL_DOWN_MASK != 0) {
      prefix += "C-"
    }
    if (modifiers and InputEvent.SHIFT_DOWN_MASK != 0) {
      prefix += "S-"
    }
    var name = getVimKeyValue(keyCode)
    if (name != null) {
      name = if (containsDisplayUppercaseKeyNames(name)) {
        name.uppercase(Locale.getDefault())
      } else {
        capitalize(name)
      }
    }
    if (name == null) {
      val escape = toEscapeNotation(keyStroke)
      if (escape != null) {
        return escape
      }
      try {
        name = String(Character.toChars(keyCode))
      } catch (_: IllegalArgumentException) {
      }
    }
    return if (name != null) "<$prefix$name>" else "<<$keyStroke>>"
  }