/// <summary>
/// Read string from console
/// </summary>
/// <param name="autocomplete">Autocomplete</param>
/// <returns>Returns the readed string</returns>
public string ReadFromConsole(IDictionary <string, List <ParameterInfo[]> > autocomplete = null)
{
// Write prompt
_consoleWriter.Write(ReadPrompt, ConsoleOutputStyle.Prompt);
// If have something loaded
if (_manualInputs.Count > 0)
{
// Get first loaded command
var input = _manualInputs[0];
_manualInputs.RemoveAt(0);
if (!string.IsNullOrEmpty(input))
{
// Print it
_consoleWriter.WriteLine(input, ConsoleOutputStyle.Input);
// Use it
return(input);
}
}
// Read from console
string ret;
if (autocomplete != null && autocomplete.Count > 0)
{
int cursor = 0;
int historyIndex = 0;
bool insertMode = true;
var txt = new StringBuilder();
Console.CursorSize = !insertMode ? 100 : 25;
_consoleWriter.GetCursorPosition(out int startX, out int startY);
READ_LINE:
var i = Console.ReadKey(true);
switch (i.Key)
{
// Accept
case ConsoleKey.Enter:
{
_consoleWriter.WriteLine("", ConsoleOutputStyle.Input);
break;
}
// Remove
case ConsoleKey.Delete:
{
if (cursor >= txt.Length)
{
goto READ_LINE;
}
txt.Remove(cursor, 1);
if (txt.Length - cursor != 0)
{
_consoleWriter.SetCursorPosition(startX + cursor, startY);
_consoleWriter.Write(txt.ToString().Substring(cursor) + " \b", ConsoleOutputStyle.Input);
_consoleWriter.SetCursorPosition(startX + cursor, startY);
}
else
{
_consoleWriter.Write(" \b", ConsoleOutputStyle.Input);
}
goto READ_LINE;
}
case ConsoleKey.Backspace:
{
if (cursor > 0)
{
txt.Remove(cursor - 1, 1);
cursor--;
}
else if (cursor == 0)
{
goto READ_LINE;
}
int l = txt.Length - cursor;
if (l > 0)
{
_consoleWriter.Write("".PadLeft(l, ' '), ConsoleOutputStyle.Input);
_consoleWriter.SetCursorPosition(startX + cursor, startY);
_consoleWriter.Write(txt.ToString().Substring(cursor), ConsoleOutputStyle.Input);
_consoleWriter.SetCursorPosition(startX + cursor, startY);
}
else
{
_consoleWriter.Write("\b \b", ConsoleOutputStyle.Input);
}
goto READ_LINE;
}
// Move
case ConsoleKey.LeftArrow:
case ConsoleKey.RightArrow:
{
if (i.Key == ConsoleKey.LeftArrow)
{
cursor = Math.Max(0, cursor - 1);
}
else
{
cursor = Math.Min(txt.Length, cursor + 1);
}
_consoleWriter.SetCursorPosition(startX + cursor, startY);
goto READ_LINE;
}
case ConsoleKey.Home:
case ConsoleKey.End:
{
if (i.Key != ConsoleKey.End)
{
cursor = 0;
}
else
{
cursor = txt.Length;
}
_consoleWriter.SetCursorPosition(startX + cursor, startY);
goto READ_LINE;
}
// History
case ConsoleKey.UpArrow:
case ConsoleKey.PageUp:
case ConsoleKey.DownArrow:
case ConsoleKey.PageDown:
{
string strH = "";
if (_history.Count > 0)
{
historyIndex = (historyIndex + (i.Key == ConsoleKey.DownArrow || i.Key == ConsoleKey.PageDown ? 1 : -1));
if (historyIndex < 0)
{
historyIndex = _history.Count - 1;
}
else if (historyIndex > _history.Count - 1)
{
historyIndex = 0;
}
strH = _history[historyIndex];
txt.Clear();
txt.Append(strH);
cursor = txt.Length;
}
CleanFromThisPoint(startX, startY);
_consoleWriter.Write(strH, ConsoleOutputStyle.Input);
goto READ_LINE;
}
// Autocomplete
case ConsoleKey.Tab:
{
List <string> matches = new List <string>();
string cmd = txt.ToString().ToLowerInvariant();
foreach (KeyValuePair <string, List <ParameterInfo[]> > var in autocomplete)
{
if (!var.Key.StartsWith(cmd))
{
continue;
}
matches.Add(var.Key);
}
if (matches.Count > 0)
{
int max = 0;
if (matches.Count == 1)
{
// 1 found
txt.Clear();
txt.Append(matches[0] + " ");
cursor = txt.Length;
max = matches[0].Length;
}
else
{
// Search match
cmd = matches[0];
for (int x = 1, m = cmd.Length; x < m; x++)
{
bool ok = true;
foreach (string s in matches)
{
if (s.StartsWith(cmd.Substring(0, x)))
{
continue;
}
ok = false;
break;
}
if (ok)
{
max = x;
}
else
{
break;
}
}
// Take coincidences
txt.Clear();
txt.Append(matches[0].Substring(0, max));
cursor = txt.Length;
}
// Print found
_consoleWriter.WriteLine("", ConsoleOutputStyle.Input);
foreach (var var in matches)
{
_consoleWriter.Write(var.Substring(0, max), ConsoleOutputStyle.AutocompleteMatch);
_consoleWriter.WriteLine(var.Substring(max), ConsoleOutputStyle.Autocomplete);
}
// Prompt
_consoleWriter.Write(ReadPrompt, ConsoleOutputStyle.Prompt);
_consoleWriter.GetCursorPosition(out startX, out startY);
_consoleWriter.Write(txt.ToString(), ConsoleOutputStyle.Input);
_consoleWriter.SetCursorPosition(startX + cursor, startY);
}
else
{
// No match
_consoleWriter.WriteLine("", ConsoleOutputStyle.Input);
}
goto READ_LINE;
}
// Special
case ConsoleKey.Insert:
{
insertMode = !insertMode;
Console.CursorSize = !insertMode ? 100 : 25;
goto READ_LINE;
}
// Write
default:
{
txt.Insert(cursor, i.KeyChar);
cursor++;
if (!insertMode)
{
_consoleWriter.Write(i.KeyChar.ToString(), ConsoleOutputStyle.Input);
if (cursor < txt.Length)
{
txt.Remove(cursor, 1);
}
}
else
{
_consoleWriter.Write(txt.ToString().Substring(cursor - 1), ConsoleOutputStyle.Input);
_consoleWriter.SetCursorPosition(startX + cursor, startY);
}
goto READ_LINE;
}
}
ret = txt.ToString();
}
else
{
_consoleWriter.ApplyStyle(ConsoleOutputStyle.Input);
ret = Console.ReadLine();
}
// Append to history
if (_history.LastOrDefault() != ret)
{
if (_history.Count > MaxHistorySize)
{
_history.RemoveAt(0);
}
_history.Add(ret);
}
// return text
return(ret);
}
