private void OnTextChanged(TextChangedEventArgs e)
{
if (TextChanged != null)
{
TextChanged(this, e);
}
}
private void HandleTextChanged(object sender, TextChangedEventArgs e)
{
TryParsing(e);
UpdateFormatting();
ConsistencyCheck();
}
private void TryParsing(TextChangedEventArgs e)
{
if (_parseTree == null
|| _parseTree.EndPosition <= e.Start
|| _parseTree.StartPosition >= e.Start)
{
Console.WriteLine("Complete Reparse.");
_text.SetText("");
string text = _editor.GetText(0, _editor.Length);
int pos = 0;
foreach (char ch in text)
{
_text.InsertChar(ch, pos);
pos ++;
}
CompleteReparse();
}
else
{
// TODO: Add multiple char deletion and insertion to parse nodes and TWC.
// Also add unit tests for them.
switch (e.Operation)
{
case TextChangedEventArgs.OperationType.Insertion:
for (int i = 0; i < e.Length; i++)
{
_parseTree = _parseTree.CharInsertedAt(e.Text[i], e.Start + i);
}
// Console.WriteLine(">>> After insert:");
break;
case TextChangedEventArgs.OperationType.Deletion:
// Console.WriteLine(">>> TWC is: {0}", _text.TestRender());
for (int i = 0; i < e.Length; i++)
{
_parseTree = _parseTree.CharDeletedAt(e.Start);
}
// Console.WriteLine(">>> After delete:");
break;
default:
// Console.WriteLine("Unknown text change operation.");
break;
}
// Console.WriteLine(">>> Code tree is:{0}{1}",
// Environment.NewLine,
// _parseTree.ToStringAsTree());
// Console.WriteLine(">>> TWC is: {1}: {0}",
// _text.TestRender(),
// _text.GetHashCode());
// Console.WriteLine(">>> Old code is '{0}'.", _parseTree.ToStringAsCode(true));
// Console.WriteLine(">>> New code is '{0}'.", _parseTree.ToStringAsCode(false));
}
}
private void OnTextChanged(TextChangedEventArgs.OperationType operation,
int start,
int length,
string text)
{
if (TextChanged != null)
{
TextChanged(this,
new TextChangedEventArgs(operation, start, length, text));
}
}
