/// <summary>
///
/// </summary>
/// <returns></returns>
public RegExpAutoCompleteInfo GetAutoCompleteInfo()
{
if (this._autoCompleteInfo == null)
{
DfaAutoCompleteType none;
GetAutoCompleteInfoTransitionsProcessingResult autoCompleteInfoTransitionsProcessing = this.GetAutoCompleteInfoTransitionsProcessing();
if (autoCompleteInfoTransitionsProcessing._NonExactsFound)
{
none = DfaAutoCompleteType.None;
}
else if (autoCompleteInfoTransitionsProcessing._ExactCharFound)
{
if (!this.Contains(this._finalState))
{
none = DfaAutoCompleteType.ExactChar;
}
else
{
GetAutoCompleteInfoTransitionsProcessingResult result2 = autoCompleteInfoTransitionsProcessing;
RegExpDfaWave nextWave = this;
do
{
nextWave = nextWave.GetNextWave(result2._ExactChar);
result2 = nextWave.GetAutoCompleteInfoTransitionsProcessing();
}while ((!result2._NonExactsFound && result2._ExactCharFound) && !nextWave.Contains(this._finalState));
if (nextWave.Contains(this._finalState))
{
if (result2._NonExactsFound)
{
none = DfaAutoCompleteType.FinalOrExactBeforeFinalOrNone;
}
else
{
none = DfaAutoCompleteType.FinalOrExactBeforeFinal;
}
}
else
{
none = DfaAutoCompleteType.FinalOrExactBeforeNone;
}
}
}
else
{
none = DfaAutoCompleteType.Final;
}
this._autoCompleteInfo = new RegExpAutoCompleteInfo(none, autoCompleteInfoTransitionsProcessing._ExactChar);
}
return(this._autoCompleteInfo);
}
string ExactsAppend(string before)
{
string text = before;
while (true)
{
RegExpAutoCompleteInfo autoCompleteInfo = this._regExp.GetAutoCompleteInfo(text);
if (autoCompleteInfo.DfaAutoCompleteType != DfaAutoCompleteType.ExactChar)
{
return(text);
}
text = text + autoCompleteInfo.AutoCompleteChar;
}
}
string SmartAppend(string before, char input)
{
if (!this.IsValidStart(before))
{
return(null);
}
string text = this.SmartAutoComplete(before);
RegExpAutoCompleteInfo autoCompleteInfo = this._regExp.GetAutoCompleteInfo(text);
switch (autoCompleteInfo.DfaAutoCompleteType)
{
case DfaAutoCompleteType.None:
text = text + input;
break;
case DfaAutoCompleteType.Final:
return(null);
case DfaAutoCompleteType.FinalOrExactBeforeNone:
text = this.ExactsAppend(text + autoCompleteInfo.AutoCompleteChar) + input;
break;
case DfaAutoCompleteType.FinalOrExactBeforeFinal:
text = text + autoCompleteInfo.AutoCompleteChar;
break;
case DfaAutoCompleteType.FinalOrExactBeforeFinalOrNone:
text = text + autoCompleteInfo.AutoCompleteChar;
if (input != autoCompleteInfo.AutoCompleteChar)
{
text = this.ExactsAppend(text) + input;
}
break;
default:
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, "Internal error: non-covered case '{0}'", new object[] { autoCompleteInfo.DfaAutoCompleteType.ToString() }));
}
return(this.SmartAutoComplete(text));
}