public static XNodeFilter ImageFilter(XNode node, Func <XNode, XNodeFilter> filter = null)
{
XNodeFilter xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(node);
}
if (!(node is XElement) || ((XElement)node).Name != "img")
{
xnodeFilter |= XNodeFilter.DontSelectNode;
}
return(xnodeFilter);
}
public static XNodeFilter TextFilter(XNode node, Func <XNode, XNodeFilter> filter = null)
{
XNodeFilter xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(node);
}
if (!(node is XText))
{
xnodeFilter |= XNodeFilter.DontSelectNode;
}
return(xnodeFilter);
}
public static IEnumerable <XXElement> zFilterElements(this IEnumerable <XXElement> elements, Func <XXElement, XNodeFilter> filter)
{
foreach (XXElement element in elements)
{
XNodeFilter xNodeFilter = filter(element);
if ((xNodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
break;
}
if ((xNodeFilter & XNodeFilter.DontSelectNode) != XNodeFilter.DontSelectNode)
{
yield return(element);
}
}
}
public static XNodeFilter FormItemFilter(XNode node, Func <XNode, XNodeFilter> filter = null)
{
XNodeFilter xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(node);
}
if (!(node is XElement))
{
xnodeFilter |= XNodeFilter.DontSelectNode;
}
else
{
XElement xe = (XElement)node;
// return only element : input, select, button
if (xe.Name != "input" && xe.Name != "select" && xe.Name != "button")
{
xnodeFilter |= XNodeFilter.DontSelectNode;
}
}
return(xnodeFilter);
}
/// <summary>
/// Finds child nodes under the parent node and places them in the currentList.
/// </summary>
/// <param name="currentList">List to be populated with the nodes.</param>
/// <param name="parent">Parent node under which the nodes should be searched.</param>
/// <param name="filter">Filter to be used while selecting the node.</param>
/// <param name="criteria">Criteria to be used by the filter.</param>
public static void FindNodes(IList <HierarchyNode> currentList, HierarchyNode parent, XNodeFilter filter, object criteria)
{
Utilities.ArgumentNotNull("currentList", currentList);
Utilities.ArgumentNotNull("parent", parent);
Utilities.ArgumentNotNull("filter", filter);
for (HierarchyNode child = parent.FirstChild; child != null; child = child.NextSibling)
{
if (filter(child, criteria))
{
currentList.Add(child);
}
XHelperMethods.FindNodes(currentList, child, filter, criteria);
}
}
// bug il manque une boucle pour obtenir tous les enfants d'un noeud
public static IEnumerable <XNode> DescendantNodes_bug(IEnumerable <XNode> nodes, Func <XNode, XNodeFilter> filter = null)
{
bool stop = false;
foreach (XNode node1 in nodes)
{
XNodeFilter xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(node1);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodes : source node {0}, filter {1}", node1.zGetPath(), xnodeFilter);
}
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == XNodeFilter.SkipNode)
{
continue;
}
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
yield return(node1);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodes : source node {0}", node1.zGetPath());
}
XNode node2 = node1;
XNode sourceNode = node2;
while (true)
{
// get child
if (node2 is XElement)
{
// first child node
XNode childNode = ((XElement)node2).FirstNode;
if (childNode != null)
{
xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(childNode);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodes : child node {0}, filter {1}", childNode.zGetPath(), xnodeFilter);
}
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
stop = true;
break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == 0)
{
node2 = childNode;
//_level++;
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
yield return(node2);
}
else
{
continue;
}
}
}
}
// get next sibling node or next sibling node of parent node
bool getChild = false;
bool stopNode = false;
while (true)
{
if (node2 == sourceNode)
{
stopNode = true;
break;
}
// next sibling node
XNode nextNode = node2.NextNode;
while (true)
{
if (nextNode == null)
{
break;
}
xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(nextNode);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodes : next node {0}, filter {1}", nextNode.zGetPath(), xnodeFilter);
}
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
stop = true;
break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == 0)
{
node2 = nextNode;
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
yield return(node2);
}
else
{
getChild = true;
break;
}
}
nextNode = nextNode.NextNode;
}
if (getChild)
{
break;
}
// parent node
node2 = node2.Parent;
//_level--;
}
if (stop || stopNode)
{
break;
}
}
if (stop)
{
break;
}
}
}
public static IEnumerable <XNodeInfo> DescendantNodesInfos(IEnumerable <XNode> nodes, Func <XNode, XNodeFilter> filter = null)
{
//bool stop = false;
int level = 1;
int index = 1;
foreach (XNode node1 in nodes)
{
XNodeFilter xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(node1);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodesInfos : source node {0}, filter {1}", node1.zGetPath(), xnodeFilter);
}
XNodeInfo nodeInfo = new XNodeInfo {
Index = index++, Node = node1, Level = level, Ope = NodeOpe.Source, Selected = false, Skip = false, Stop = false
};
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
nodeInfo.Stop = true;
yield return(nodeInfo);
break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == XNodeFilter.SkipNode)
{
nodeInfo.Skip = true;
yield return(nodeInfo);
continue;
}
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
//yield return node1;
nodeInfo.Selected = true;
yield return(nodeInfo);
}
else
{
yield return(nodeInfo);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodesInfos : source node {0}", node1.zGetPath());
}
XNode node2 = node1;
XNode sourceNode = node2;
while (true)
{
// get child
while (true)
{
if (!(node2 is XElement))
{
break;
}
// first child node
XNode childNode = ((XElement)node2).FirstNode;
if (childNode == null)
{
break;
}
nodeInfo = new XNodeInfo {
Index = index++, Node = childNode, Level = level + 1, Ope = NodeOpe.Child, Selected = false, Skip = false, Stop = false
};
xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(childNode);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodesInfos : child node {0}, filter {1}", childNode.zGetPath(), xnodeFilter);
}
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
//stop = true;
nodeInfo.Stop = true;
yield return(nodeInfo);
yield break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == XNodeFilter.SkipNode)
{
nodeInfo.Skip = true;
yield return(nodeInfo);
break;
}
node2 = childNode;
level++;
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
//yield return node2;
//level++;
nodeInfo.Selected = true;
yield return(nodeInfo);
}
else
{
yield return(nodeInfo);
}
}
//if (stop)
// break;
// get next sibling node or next sibling node of parent node
bool getChild = false;
bool stopNode = false;
while (true)
{
if (node2 == sourceNode)
{
stopNode = true;
break;
}
// next sibling node
XNode nextNode = node2.NextNode;
while (true)
{
if (nextNode == null)
{
break;
}
nodeInfo = new XNodeInfo {
Index = index++, Node = nextNode, Level = level, Ope = NodeOpe.Siblin, Selected = false, Skip = false, Stop = false
};
xnodeFilter = XNodeFilter.SelectNode;
if (filter != null)
{
xnodeFilter = filter(nextNode);
}
if (__trace)
{
pb.Trace.WriteLine("DescendantNodesInfos : next node {0}, filter {1}", nextNode.zGetPath(), xnodeFilter);
}
if ((xnodeFilter & XNodeFilter.Stop) == XNodeFilter.Stop)
{
//stop = true;
nodeInfo.Stop = true;
yield return(nodeInfo);
yield break;
}
if ((xnodeFilter & XNodeFilter.SkipNode) == 0)
{
node2 = nextNode;
if ((xnodeFilter & XNodeFilter.DontSelectNode) == 0)
{
nodeInfo.Selected = true;
yield return(nodeInfo);
}
else
{
yield return(nodeInfo);
}
//else
//{
getChild = true;
break;
//}
}
else
{
nodeInfo.Skip = true;
yield return(nodeInfo);
}
nextNode = nextNode.NextNode;
}
if (getChild)
{
break;
}
// parent node
node2 = node2.Parent;
level--;
nodeInfo = new XNodeInfo {
Index = index++, Node = node2, Level = level, Ope = NodeOpe.Close, Selected = false, Skip = false, Stop = false
};
yield return(nodeInfo);
}
//if (stop || stopNode)
if (stopNode)
{
break;
}
}
//if (stop)
// break;
}
}
