protected void Create(string selector, CQ context)
{
// when creating a new CsQuery from another, leave Dom blank - it will be populated automatically with the
// contents of the selector.
CsQueryParent = context;
if (!String.IsNullOrEmpty(selector))
{
Selectors = new SelectorChain(selector);
AddSelectionRange(Selectors.Select(Document, context.Children()));
}
}
//<summary>
// Filter an element list using another selector. A null selector results in no filtering.
//</summary>
//<param name="?"></param>
//<param name="selector"></param>
protected IEnumerable <IDomObject> filterElementsIgnoreNull(IEnumerable <IDomObject> elements, string selector)
{
if (selector == "")
{
return(Objects.EmptyEnumerable <IDomObject>());
}
else if (selector == null)
{
return(elements);
}
else
{
SelectorChain selectors = new SelectorChain(selector);
if (selectors.Count > 0)
{
selectors.Do(item => item.TraversalType = TraversalType.Filter);
}
// this is kind of unfortunate but is required to keep the order correct. Probably a more efficient
// way to do it but works fine for now
return(elements.Intersect(selectors.Select(Document, elements)));
}
}
//<summary>
// Filter an element list using another selector. A null selector results in no filtering.
//</summary>
//<param name="?"></param>
//<param name="selector"></param>
protected IEnumerable<IDomObject> filterElementsIgnoreNull(IEnumerable<IDomObject> elements, string selector)
{
if (selector=="")
{
return Objects.EmptyEnumerable<IDomObject>();
}
else if (selector == null)
{
return elements;
}
else
{
SelectorChain selectors = new SelectorChain(selector);
if (selectors.Count > 0)
{
selectors.ForEach(item=>item.TraversalType = TraversalType.Filter);
}
// this is kind of unfortunate but is required to keep the order correct. Probably a more efficient
// way to do it but works fine for now
return elements.Intersect(selectors.Select(Document, elements));
}
}
protected void Create(string selector, CQ context)
{
// when creating a new CsQuery from another, leave Dom blank - it will be populated automatically with the
// contents of the selector.
CsQueryParent = context;
if (!String.IsNullOrEmpty(selector))
{
Selectors = new SelectorChain(selector);
AddSelectionRange(Selectors.Select(Document, context.Children()));
}
}
public IList <IDomElement> QuerySelectorAll(string selector)
{
SelectorChain selectors = new SelectorChain(selector);
return((new List <IDomElement>(OnlyElements(selectors.Select(Document)))).AsReadOnly());
}
public IList <IDomElement> GetElementsByTagName(string tagName)
{
SelectorChain selectors = new SelectorChain(tagName);
return((new List <IDomElement>(OnlyElements(selectors.Select(Document)))).AsReadOnly());
}
public IDomElement GetElementById(string id)
{
SelectorChain selectors = new SelectorChain("#" + id);
return((IDomElement)selectors.Select(Document).FirstOrDefault());
}
