public IEnumerable <HtmlElement> GetElementBySelector(IEnumerable <HtmlElement> source, string selectorString)
{
if (source == null)
{
throw new ArgumentNullException();
}
if (selectorString == null)
{
throw new ArgumentNullException();
}
var selectorsArray = SplitExpressions(selectorString);
if (selectorsArray.Count() == 0)
{
throw new ArgumentException("Invalid selector");
}
var handlers = HandlerFactory.GetHandlers();
var selector = handlers.GetSelector(selectorsArray);
return(selector.SelectElements(source));
}
public IEnumerable <HtmlElement> SelectElements(IEnumerable <HtmlElement> source)
{
var handlers = HandlerFactory.GetHandlers();
var allSelectedElements = new List <HtmlElement>();
var leftSelector = handlers.GetSelector(new string[] { _leftSide });
//right selector error
var rightSelector = handlers.GetSelector(new string[] { _rightSide });
var leftSelectedElements = leftSelector.SelectElements(source);
foreach (var element in leftSelectedElements)
{
var descendents = HtmlHelpers.GetElementAndDescendents(element);
var selectedElements = rightSelector.SelectElements(descendents);
allSelectedElements.AddRange(selectedElements);
}
return(allSelectedElements);
}
public IEnumerable <HtmlElement> SelectElements(IEnumerable <HtmlElement> source)
{
var handlers = HandlerFactory.GetHandlers();
var leftSelector = handlers.GetSelector(new string[] { _leftSide });
var rightSelector = handlers.GetSelector(new string[] { _rightSide });
var leftSelected = leftSelector.SelectElements(source);
var rightSelected = rightSelector.SelectElements(source);
return(leftSelected.Union(rightSelected));
}
private IEnumerable <ISelector> GetSelectors(string[] selectors)
{
var handlers = HandlerFactory.GetHandlers();
var selectorObjs = new List <ISelector>();
for (int i = 0; i < selectors.Length; i++)
{
var leftSide = selectors[i];
if (selectors.Length < i + 2)
{
break;
}
var rightSide = selectors[i + 1];
if (leftSide != ">" && rightSide != ">")
{
var selector = handlers.GetSelector(selectors.Skip(i).Take(2).ToArray());
selectorObjs.Add(selector);
continue;
}
if (leftSide == ">")
{
continue;
}
if (rightSide == ">")
{
if (selectors.Length < i + 3)
{
break;
}
var selector = handlers.GetSelector(selectors.Skip(i).Take(3).ToArray());
selectorObjs.Add(selector);
}
}
return(selectorObjs);
}
public IEnumerable <HtmlElement> SelectElements(IEnumerable <HtmlElement> source)
{
//fix this
var handlers = HandlerFactory.GetHandlers();
var leftSelector = handlers.GetSelector(new string[] { _leftSide });
var rightSelector = handlers.GetSelector(new string[] { _rightSide });
var leftSelectedElements = GetLeftSelected(source, leftSelector);
var rightSelectedElements = new List <HtmlElement>();
foreach (var element in leftSelectedElements)
{
var rightSelected = rightSelector.SelectElements(element.Children);
rightSelectedElements.AddRange(rightSelected);
}
return(rightSelectedElements);
}
