private int ProcessTextNode(StringCollection tokens, int index, HtmlElement htmlElement, HtmlNodeCollection nodes)
{
if (tokens == null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (nodes == null)
{
throw new ArgumentNullException(nameof(nodes));
}
var value = tokens[index];
if (_removeEmptyElementText)
{
value = RemoveWhitespace(value);
}
value = DecodeScript(value);
if (_removeEmptyElementText && (value == null || value.Length == 0))
{
return(++index);
}
if (htmlElement == null || !htmlElement.NoEscaping)
{
value = HtmlElementEncoder.DecodeValue(value);
}
nodes.Add(new HtmlText(value));
return(++index);
}
private int ProcessStartTag(StringCollection tokens, int index, Action <HtmlElement> processHtmlElement)
{
if (tokens == null)
{
throw new ArgumentNullException(nameof(tokens));
}
if (++index >= tokens.Count)
{
return(-1);
}
var tagName = tokens[index++];
var element = new HtmlElement(tagName);
while (index < tokens.Count &&
!EndTagIdentifier.Equals(tokens[index], StringComparison.OrdinalIgnoreCase) &&
!EndTagIdentifierVariation1.Equals(tokens[index], StringComparison.OrdinalIgnoreCase))
{
var attributeName = tokens[index++];
var attributeValue = string.Empty;
if (index < tokens.Count &&
EqualityIdentifier.Equals(tokens[index], StringComparison.OrdinalIgnoreCase))
{
attributeValue = HtmlElementEncoder.DecodeValue(++index < tokens.Count ? tokens[index] : null);
index++;
}
else if (index < tokens.Count)
{
attributeValue = null;
}
var attribute = new HtmlAttribute(attributeName, attributeValue);
element.Attributes.Add(attribute);
}
processHtmlElement?.Invoke(element);
if (index < tokens.Count &&
EndTagIdentifierVariation1.Equals(tokens[index], StringComparison.OrdinalIgnoreCase))
{
element.IsTerminated = true;
index++;
}
else if (index < tokens.Count &&
EndTagIdentifier.Equals(tokens[index], StringComparison.OrdinalIgnoreCase))
{
index++;
}
return(index);
}