protected override bool NumberNodeVisitor_OnVisited(NumberNode node, int level, out List <ParagraphFormatException> exceptions)
{
exceptions = new List <ParagraphFormatException>();
var m = leftRegex.Match(node.Header);
var data = new StringDataView(node.Header);
while (m.Success)
{
data.Position = m.Index + m.Length;
var numbers = _numberParser.Consume(data);
if (numbers.Any())
{
var number = numbers.First();
var afterNumberData = number.DataView;
var rightMatch = rightRegex.Match(afterNumberData.CurrentView.ToString());
if (rightMatch.Success)
{
node.SelectiveDescription = node.Header.Substring(
m.Index,
afterNumberData.Position + rightMatch.Index + rightMatch.Length - m.Index);
node.SelectCount = number.Result.IntNumber;
return(false);
}
}
m = m.NextMatch();
}
return(true);
}
private NumberNode?ExtractFromParagraph(ParagraphPart paragraph)
{
paragraph = paragraph.TrimStart();
var content = paragraph.Content;
var data = new StringDataView(content);
return(ExtractFromDataView(data, paragraph.Order));
}
private bool IsChoiceQuestion(NumberNode node)
{
if (node.Children.Count > 1)
{
var firstChildNumber = node.Children.First().DecoratedNumber;
if (firstChildNumber is UndecoratedNumber || firstChildNumber is DelimiterDecoratedNumber)
{
if (firstChildNumber.Number is AlphabeticalNumber alphabeticalNumber &&
alphabeticalNumber.IsHalfWidth &&
!alphabeticalNumber.IsLower)
{
return(true);
}
}
}
IDataView data = new StringDataView(node.Header);
while (!data.EndOfStream)
{
var index = data.CurrentView.IndexOf("的");
if (index == -1)
{
return(false);
}
data = data.CloneByDelta(index + 1);
var choiceCount = _lowerChineseNumberParser.Consume(data).SingleOrDefault();
if (choiceCount != null)
{
data = choiceCount.DataView;
if (_suffix.IsMatch(data.CurrentView.ToString()))
{
return(true);
}
}
}
return(false);
}
