void CSI.IConsole.ReadLineAsync(CSI.Interpreter.InputHandler callback)
{
CSI.Interpreter.InputHandler inputHandler = this.inputHandler;
this.inputHandler = callback; // Register new callback
if (inputHandler != null)
{
inputHandler(null); // Cancel previous handler
}
}
/// <summary>
/// Called when the input text need to be executed (e.g., when Enter is pressed).
/// </summary>
private void OnExecuteInput()
{
string inputText = this.inputText.Trim();
this.inputText = string.Empty;
if (inputText == string.Empty)
{
// Repeat the previous command, if any
for (int index = this.inputTextHistory.Count - 1; index >= 0; index--)
{
if (!string.IsNullOrEmpty(this.inputTextHistory[index]))
{
this.ExecuteCode(this.inputTextHistory[index]);
this.outputScrollPosition.y = Mathf.Infinity;
break;
}
}
return;
}
// Move the text from the input to output console
CSI.Interpreter.Console.Write(
this.promptText + " " + inputText + Environment.NewLine);
this.inputScrollPosition = Vector2.zero;
this.outputScrollPosition.y = Mathf.Infinity;
// Update the input history
this.inputTextCache.Clear();
if ((this.inputTextHistory.Count > 0) ||
(this.inputTextHistory[this.inputTextHistory.Count - 1] == string.Empty))
{
this.inputTextHistory[this.inputTextHistory.Count - 1] = inputText;
}
else
{
this.inputTextHistory.Add(inputText);
}
if (this.inputTextHistory.Count > this.maxHistorySize)
{
this.inputTextHistory.RemoveRange(
0, (this.inputTextHistory.Count - this.maxHistorySize));
}
else if ((this.inputTextHistory.Count > 0) &&
(this.inputTextHistory[0] == string.Empty))
{
this.inputTextHistory.RemoveAt(0);
}
this.currentHistoryIndex = this.inputTextHistory.Count;
// Notify the async-handler of the keyboard input
CSI.Interpreter.InputHandler inputHandler = this.inputHandler;
this.inputHandler = null;
inputHandler(inputText);
}