/// <summary>
/// Creates a new selector parser using the different factories.
/// </summary>
internal CssSelectorParser(IBrowsingContext context)
{
if (context == null)
{
context = BrowsingContext.NewFrom <ICssSelectorParser>(this);
}
_attribute = context.GetFactory <IAttributeSelectorFactory>();
_pseudoClass = context.GetFactory <IPseudoClassSelectorFactory>();
_pseudoElement = context.GetFactory <IPseudoElementSelectorFactory>();
}
/// <summary>
/// Either creates a fresh selector constructor or gets a (cleaned)
/// used one.
/// </summary>
/// <returns>A selector constructor to use.</returns>
public static CssSelectorConstructor NewSelectorConstructor(IAttributeSelectorFactory attributeSelector, IPseudoClassSelectorFactory pseudoClassSelector, IPseudoElementSelectorFactory pseudoElementSelector)
{
lock (_lock)
{
if (_selector.Count == 0)
{
return(new CssSelectorConstructor(attributeSelector, pseudoClassSelector, pseudoElementSelector));
}
return(_selector.Pop().Reset(attributeSelector, pseudoClassSelector, pseudoElementSelector));
}
}
/// <summary>
/// Either creates a fresh selector constructor or gets a (cleaned)
/// used one.
/// </summary>
/// <returns>A selector constructor to use.</returns>
public static CssSelectorConstructor NewSelectorConstructor(IAttributeSelectorFactory attributeSelector, IPseudoClassSelectorFactory pseudoClassSelector, IPseudoElementSelectorFactory pseudoElementSelector)
{
lock (_lock)
{
if (_selector.Count == 0)
{
return new CssSelectorConstructor(attributeSelector, pseudoClassSelector, pseudoElementSelector);
}
return _selector.Pop().Reset(attributeSelector, pseudoClassSelector, pseudoElementSelector);
}
}
public CssSelectorConstructor(CssTokenizer tokenizer, IAttributeSelectorFactory attributeSelector, IPseudoClassSelectorFactory pseudoClassSelector, IPseudoElementSelectorFactory pseudoElementSelector, Boolean invoked = false)
{
_tokenizer = tokenizer;
_invoked = invoked;
_combinators = new Stack <CssCombinator>();
_attributeSelector = attributeSelector;
_pseudoClassSelector = pseudoClassSelector;
_pseudoElementSelector = pseudoElementSelector;
_attrOp = String.Empty;
_attrInsensitive = false;
_state = State.Data;
_valid = true;
_ready = true;
}
public CssSelectorConstructor Reset(IAttributeSelectorFactory attributeSelector, IPseudoClassSelectorFactory pseudoClassSelector, IPseudoElementSelectorFactory pseudoElementSelector)
{
_attrName = null;
_attrValue = null;
_attrNs = null;
_attrOp = String.Empty;
_state = State.Data;
_combinators.Clear();
_temp = null;
_group = null;
_complex = null;
_valid = true;
_nested = false;
_ready = true;
_attributeSelector = attributeSelector;
_pseudoClassSelector = pseudoClassSelector;
_pseudoElementSelector = pseudoElementSelector;
return(this);
}
public CssSelectorConstructor(IAttributeSelectorFactory attributeSelector, IPseudoClassSelectorFactory pseudoClassSelector, IPseudoElementSelectorFactory pseudoElementSelector)
{
_combinators = new Stack <CssCombinator>();
Reset(attributeSelector, pseudoClassSelector, pseudoElementSelector);
}
