public void AddSelector(CssSimpleElementSelector primExpr)
{
#if DEBUG
if (primExpr == null)
{
}
#endif
if (_elementSelector == null)
{
_elementSelector = primExpr;
}
else
{
CssCompundElementSelector combinatorExpr = _elementSelector as CssCompundElementSelector;
if (combinatorExpr != null)
{
combinatorExpr.RightSelector = primExpr;
}
else
{
CssSimpleElementSelector currentPrimExpr = _elementSelector as CssSimpleElementSelector;
if (currentPrimExpr != null)
{
combinatorExpr = new CssCompundElementSelector(CssCombinatorOperator.Descendant);
combinatorExpr.LeftSelector = _elementSelector;
combinatorExpr.RightSelector = primExpr;
_elementSelector = combinatorExpr;
}
else
{
}
}
}
}
public static bool IsCompatible(CssSimpleElementSelector sel1, CssSimpleElementSelector sel2)
{
//walk top of both
var parOrSelf1 = GetTopParentOrSelf(sel1);
var parOrSelf2 = GetTopParentOrSelf(sel2);
return(parOrSelf1.IsSameNameAndType(parOrSelf2));
}
static CssElementSelector GetTopParentOrSelf(CssSimpleElementSelector selector)
{
var parent = selector.Parent;
if (parent == null)
{
return(selector);
}
while (parent.Parent != null)
{
parent = parent.Parent;
}
return(parent);
}
public override bool IsSameNameAndType(CssElementSelector anotherSelector)
{
if (anotherSelector == null)
{
return(false);
}
if (anotherSelector == this)
{
return(true);
}
//------------------------------
CssSimpleElementSelector another = anotherSelector as CssSimpleElementSelector;
return(another != null && (another.Name == this.Name) &&
(another.selectorType == this.selectorType));
}
static CssElementSelector GetTopParentOrSelf(CssSimpleElementSelector selector)
{
var parent = selector.Parent;
if (parent == null)
{
return selector;
}
while (parent.Parent != null)
{
parent = parent.Parent;
}
return parent;
}
public static bool IsCompatible(CssSimpleElementSelector sel1, CssSimpleElementSelector sel2)
{
//walk top of both
var parOrSelf1 = GetTopParentOrSelf(sel1);
var parOrSelf2 = GetTopParentOrSelf(sel2);
return parOrSelf1.IsSameNameAndType(parOrSelf2);
}
public void AddSelector(CssSimpleElementSelector primExpr)
{
#if DEBUG
if (primExpr == null)
{
}
#endif
if (elementSelector == null)
{
elementSelector = primExpr;
}
else
{
CssCompundElementSelector combinatorExpr = this.elementSelector as CssCompundElementSelector;
if (combinatorExpr != null)
{
combinatorExpr.RightSelector = primExpr;
}
else
{
CssSimpleElementSelector currentPrimExpr = this.elementSelector as CssSimpleElementSelector;
if (currentPrimExpr != null)
{
combinatorExpr = new CssCompundElementSelector(CssCombinatorOperator.Descendant);
combinatorExpr.LeftSelector = this.elementSelector;
combinatorExpr.RightSelector = primExpr;
this.elementSelector = combinatorExpr;
}
else
{
}
}
}
}