static void WriteNextCommand()
{
var newText = CommandsHistory.GetNextCommand();
if (newText == null)
{
return;
}
EraseCurrentCommand();
currentText = newText;
Console.Write(currentText);
}
/// <summary>
/// Console.WriteLine() replacement with auto-completion and clear console (CTRL + L)
/// </summary>
/// <returns>Command issued by the user</returns>
public static string ReadLine()
{
// Resets here
firstCharHeight = Console.CursorTop;
currentText = "";
CommandsHistory.GoToLastCommand();
AutoCompletionManager.ResetAutoCompletionState();
while (true)
{
keyInfo = Console.ReadKey(true);
switch (keyInfo.Key)
{
case ConsoleKey.Enter:
CommandsHistory.AddCommand(currentText);
Console.Write('\n');
// Don't return whitespaces only
return(currentText.All(x => x == ' ') ? "" : currentText);
case ConsoleKey.Tab:
AutoCompletionManager.AutoComplete(ref currentText);
break;
case ConsoleKey.UpArrow:
WritePreviousCommand();
break;
case ConsoleKey.DownArrow:
WriteNextCommand();
break;
case ConsoleKey.LeftArrow:
if (keyInfo.Modifiers == ConsoleModifiers.Control)
{
SkipLeft();
}
else
{
MoveCursorLeft();
}
break;
case ConsoleKey.RightArrow:
if (keyInfo.Modifiers == ConsoleModifiers.Control)
{
SkipRight();
}
else
{
MoveCursorRight();
}
break;
case ConsoleKey.Home:
Console.SetCursorPosition(ConsoleTools.PROMPT.Length, firstCharHeight);
break;
case ConsoleKey.End:
Console.SetCursorPosition(ConsoleTools.PROMPT.Length, lastCharHeight);
Console.SetCursorPosition(lineLenght, lastCharHeight);
break;
case ConsoleKey.Delete:
EraseNextChar();
break;
case ConsoleKey.Backspace:
ErasePreviousChar();
break;
case ConsoleKey.Insert:
insertMode = !insertMode;
Console.CursorSize = Console.CursorSize == 100 ? initialCursorSize : 100;
break;
default:
if (!printableKeys.Contains(keyInfo.Key))
{
break;
}
if (keyInfo.Modifiers == ConsoleModifiers.Control)
{
if (keyInfo.Key == ConsoleKey.L)
{
ClearConsole();
}
else if (keyInfo.Key == ConsoleKey.V)
{
PasteText();
}
break;
}
PrintCurrentChar();
break;
}
}
}