protected static void UpdateParent(XmlExpressionNode node, XmlExpressionNode parent)
{
if (ReferenceEquals(node.Parent, parent))
{
return;
}
node.Parent = parent;
}
public bool RemoveAttribute([NotNull] XmlExpressionNode node)
{
Should.NotBeNull(node, nameof(node));
if (_attributes.Remove(node))
{
UpdateParent(node, null);
return(true);
}
return(false);
}
public void AddAttribute([NotNull] XmlExpressionNode node)
{
Should.NotBeNull(node, nameof(node));
if (_attributes.Contains(node))
{
return;
}
_attributes.Add(node);
UpdateParent(node, this);
}
public void AddElement([NotNull] XmlExpressionNode node)
{
Should.NotBeNull(node, nameof(node));
if (_elements.Contains(node))
{
return;
}
_elements.Add(node);
UpdateParent(node, this);
}
public bool RemoveElement([NotNull] XmlExpressionNode node)
{
Should.NotBeNull(node, "node");
if (_elements.Remove(node))
{
UpdateParent(node, null);
return(true);
}
return(false);
}
protected override void AcceptInternal(IExpressionVisitor visitor)
{
StartTag = AcceptWithCheck(visitor, StartTag, true);
if (StartTagEnd != null)
{
StartTagEnd = AcceptWithCheck(visitor, StartTagEnd, true);
}
if (EndTag != null)
{
EndTag = AcceptWithCheck(visitor, EndTag, true);
}
for (int i = 0; i < _elements.Count; i++)
{
XmlExpressionNode node = AcceptWithCheck(visitor, _elements[i], false);
if (node == null)
{
_elements.RemoveAt(i);
i--;
}
else
{
_elements[i] = node;
}
}
for (int i = 0; i < _attributes.Count; i++)
{
XmlExpressionNode node = AcceptWithCheck(visitor, _attributes[i], false);
if (node == null)
{
_attributes.RemoveAt(i);
i--;
}
else
{
_attributes[i] = node;
}
}
}
public XmlValueExpressionNode(XmlExpressionNode parent, XmlValueExpressionType type, int start, int end)
: this(type, start, end)
{
UpdateParent(this, parent);
}