private void OnSub(Object sender, ActionEventArgs args)
{
Console.Out.WriteLine("sub");
int second = numberStack.Pop();
int first = numberStack.Pop();
numberStack.Push(first - second);
}
private void OnDifferenceParserSuccess(object sender, ActionEventArgs args)
{
this._differenceParserSuccess = true;
}
void OnLetterOrDigitParserSuccess(object sender, ActionEventArgs args)
{
this._letterOrDigitParserSuccess = true;
}
private void OnLetterParserSuccess(object sender, ActionEventArgs args)
{
this._letterParserSuccess = true;
}
private void OnSymbolParserSuccess(object sender, ActionEventArgs args)
{
this._symbolParserSuccess = true;
}
private void OnCollationRules(object sender, ActionEventArgs args)
{
StringBuilder sb = new StringBuilder();
if (_currentCollationLines.Count > 0)
{
sb.Append("&[before 1] [first regular] < ");
}
while (_currentCollationLines.Count != 0)
{
sb.Append(_currentCollationLines.Dequeue());
if (_currentCollationLines.Count > 0)
{
sb.Append(" < "); // primary distinction
}
}
_result = sb.ToString();
}
private void OnCollationLine(object sender, ActionEventArgs args)
{
StringBuilder sb = new StringBuilder();
while (_currentCollationGroups.Count != 0)
{
sb.Append(_currentCollationGroups.Dequeue());
if (_currentCollationGroups.Count > 0)
{
sb.Append(" << "); // secondary distinction
}
}
_currentCollationLines.Enqueue(sb.ToString());
}
private void OnCollationElement(object sender, ActionEventArgs args)
{
string collationElement = _currentCollationElement.ToString();
_usedCollationElements.Add(collationElement);
if (inCollationGroup)
{
_currentCollationElements.Enqueue(collationElement);
}
else
{
_currentCollationGroups.Enqueue(collationElement);
}
_currentCollationElement = new StringBuilder();
}
private void OnCharacter(object sender, ActionEventArgs args)
{
_currentCollationElement.Append(IcuEscape(args.Value));
}
private void OnUnicodeEscapeCharacter(object sender, ActionEventArgs args)
{
Debug.Assert(args.Value.Length == 6);
ushort unicodeCharacterValue = UInt16.Parse(args.Value.Substring(2), NumberStyles.AllowHexSpecifier);
// is it a surrogate?
string s;
if (0xD800 <= unicodeCharacterValue && unicodeCharacterValue <= 0xdfff)
{
s = args.Value; // just keep the unicode escape character and let icu handle the error
// if there isn't a valid one following
}
else
{
s = Char.ConvertFromUtf32(unicodeCharacterValue);
s = IcuEscape(s);
}
_currentCollationElement.Append(s);
}
private void OnInteger(object sender, ActionEventArgs args)
{
Console.Out.WriteLine("integer: {0}", args.Value);
numberStack.Push(int.Parse(args.Value));
}
private void OnExpression(object sender, ActionEventArgs args)
{
Console.Out.WriteLine("expression: {0} = {1}", args.Value, numberStack.Peek());
}