internal CssSimpleSelectorSequence(ICssSelectorSequence sequence, CssPseudoElement pseudoElement)
: base(CalculateSpecificity(sequence, pseudoElement))
{
ArgChecker.AssertIsTrue <ArgumentException>(sequence.Subject.PseudoElement == null, "Selector sequence cannot contain more than one pseudo-element.");
_typeSelector = sequence.TypeSelector;
_otherSelectors = sequence.OtherSelectors;
_pseudoElement = pseudoElement;
}
public override void VisitPseudoElement(CssPseudoElement element)
{
element.ToString(_sb);
}
/// <summary>
/// Creates a new <see cref="CssSimpleSelectorSequence"/> consisting of a given sequence with an additional pseudo-element appended.
/// </summary>
/// <param name="sequence">A <see cref="CssTypeSelector"/> or <see cref="CssSimpleSelectorSequence"/> instance.</param>
/// <param name="pseudoElement">The pseudo-element to append.</param>
/// <returns>a new <see cref="CssSimpleSelectorSequence"/> consisting of the original <paramref name="sequence"/> followed
/// by the <paramref name="pseudoElement"/>.</returns>
public static ICssSelectorSequence Add(this ICssSelectorSequence sequence, CssPseudoElement pseudoElement)
{
return(new CssSimpleSelectorSequence(sequence, pseudoElement));
}
public virtual void VisitPseudoElement(CssPseudoElement element)
{
}
private static CssSpecificity CalculateSpecificity(ICssSelectorSequence sequence, CssPseudoElement pseudoElement)
{
ArgChecker.AssertArgNotNull(sequence, nameof(sequence));
ArgChecker.AssertArgNotNull(pseudoElement, nameof(pseudoElement));
return(sequence.Specificity + new CssSpecificity(1, 0, 0));
}