public PseudoFunction(PseudoTypes type) : base(type) { }
private NthChildSelector GetChildSelector(PseudoTypes type)
{
var selector = new NthChildSelector(type);
if (_attributeValue.Equals(PseudoSelectorPrefix.NthChildOdd, StringComparison.OrdinalIgnoreCase))
{
selector.Step = 2;
selector.Offset = 1;
}
else if (_attributeValue.Equals(PseudoSelectorPrefix.NthChildEven, StringComparison.OrdinalIgnoreCase))
{
selector.Step = 2;
selector.Offset = 0;
}
else if (!int.TryParse(_attributeValue, out selector.Offset))
{
var index = _attributeValue.IndexOf(PseudoSelectorPrefix.NthChildN, StringComparison.OrdinalIgnoreCase);
if (_attributeValue.Length <= 0 || index == -1)
{
return selector;
}
var first = _attributeValue.Substring(0, index).Replace(" ", "");
var second = "";
if (_attributeValue.Length > index + 1)
{
second = _attributeValue.Substring(index + 1).Replace(" ", "");
}
if (first == string.Empty || (first.Length == 1 && first[0] == Specification.PlusSign))
{
selector.Step = 1;
}
else if (first.Length == 1 && first[0] == Specification.MinusSign)
{
selector.Step = -1;
}
else
{
int step;
if (int.TryParse(first, out step))
{
selector.Step = step;
}
}
if (second == string.Empty)
{
selector.Offset = 0;
}
else
{
int offset;
if (int.TryParse(second, out offset))
{
selector.Offset = offset;
}
}
}
return selector;
}
public NthChildSelector(PseudoTypes type) : base(type) { }
public PseudoSelector(PseudoTypes type)
{
this.Type = type;
}