public DOMText splitText(int offset)
{
if (offset < 0 || offset > this.dataLengthImpl)
{
return(null);
}
if (!IsAssociated)
{
return(CreateDOMText(dataImpl.Substring(offset)));
}
else if (XmlCharacterData is XmlText xmlText)
{
return((DOMText)Create(xmlText.SplitText(offset)));
}
else
{
// In case of XmlWhitespace and XmlSignificantWhitespace
int count = this.dataLengthImpl - offset;
string splitData = XmlCharacterData.Substring(offset, count);
XmlCharacterData.DeleteData(offset, count);
XmlText newTextNode = XmlCharacterData.OwnerDocument.CreateTextNode(splitData);
XmlCharacterData.ParentNode.InsertAfter(newTextNode, XmlCharacterData);
return((DOMText)Create(newTextNode));
}
}
public virtual string substringData(int offset, int count)
{
if (offset < 0 || count < 0 || offset > XmlCharacterData.Length)
{
DOMException.Throw(ExceptionCode.IndexOutOfBounds);
return(null);
}
return(XmlCharacterData.Substring(offset, count));
}