fun toNotation()

in vim-engine/src/main/kotlin/com/maddyhome/idea/vim/key/ShortcutOwner.kt [23:68]
40 lines of code
13 McCabe index (conditional complexity)

    fun toNotation(): String {
      val owners = HashMap<ShortcutOwner, MutableList<String>>()
      owners[normal] = (owners[normal] ?: mutableListOf()).also { it.add("n") }
      owners[insert] = (owners[insert] ?: mutableListOf()).also { it.add("i") }
      owners[visual] = (owners[visual] ?: mutableListOf()).also { it.add("x") }
      owners[select] = (owners[select] ?: mutableListOf()).also { it.add("s") }

      if ("x" in (owners[ShortcutOwner.VIM] ?: emptyList()) && "s" in (owners[ShortcutOwner.VIM] ?: emptyList())) {
        val existing = owners[ShortcutOwner.VIM] ?: mutableListOf()
        existing.remove("x")
        existing.remove("s")
        existing.add("v")
        owners[ShortcutOwner.VIM] = existing
      }

      if ("x" in (owners[ShortcutOwner.IDE] ?: emptyList()) && "s" in (owners[ShortcutOwner.IDE] ?: emptyList())) {
        val existing = owners[ShortcutOwner.IDE] ?: mutableListOf()
        existing.remove("x")
        existing.remove("s")
        existing.add("v")
        owners[ShortcutOwner.IDE] = existing
      }

      if ((owners[ShortcutOwner.IDE] ?: emptyList()).isEmpty()) {
        owners.remove(ShortcutOwner.VIM)
        owners[ShortcutOwner.VIM] = mutableListOf("a")
      }

      if ((owners[ShortcutOwner.VIM] ?: emptyList()).isEmpty()) {
        owners.remove(ShortcutOwner.IDE)
        owners[ShortcutOwner.IDE] = mutableListOf("a")
      }

      val ideOwners = (owners[ShortcutOwner.IDE] ?: emptyList()).sortedBy { wights[it] ?: 1000 }.joinToString(separator = "-")
      val vimOwners = (owners[ShortcutOwner.VIM] ?: emptyList()).sortedBy { wights[it] ?: 1000 }.joinToString(separator = "-")

      return if (ideOwners.isNotEmpty() && vimOwners.isNotEmpty()) {
        ideOwners + ":" + ShortcutOwner.IDE.ownerName + " " + vimOwners + ":" + ShortcutOwner.VIM.ownerName
      } else if (ideOwners.isNotEmpty() && vimOwners.isEmpty()) {
        ideOwners + ":" + ShortcutOwner.IDE.ownerName
      } else if (ideOwners.isEmpty() && vimOwners.isNotEmpty()) {
        vimOwners + ":" + ShortcutOwner.VIM.ownerName
      } else {
        error("Unexpected state")
      }
    }