public void Evaluate(int SpreadMax)
{
if (SpreadMax == 0)
{
return;
}
if (!Element.IsChanged && !ConfigChanged)
{
return;
}
Elements.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
var element = Element[i];
Elements[i] = element != null?GetElementsByName(element, ElementName) : XMLNodes.NoElements;
}
var allElements = Elements.SelectMany(spread => spread).ToArray();
foreach (var attributeInfo in AttributeInfos)
{
attributeInfo.AttributeOutputPin.SliceCount = allElements.Length;
attributeInfo.AttributeExistsOutputPin.SliceCount = allElements.Length;
int i = 0;
foreach (var element in allElements)
{
var attributes = element.Attributes(attributeInfo.AttributeName);
var attribute = attributes.FirstOrDefault();
attributeInfo.AttributeOutputPin[i] = attribute != null ? attribute.Value : "";
attributeInfo.AttributeExistsOutputPin[i] = attribute != null;
i++;
}
}
ConfigChanged = false;
}
// method called each frame in vvvv
public void Evaluate(int SpreadMax)
{
if (SpreadMax == 0)
{
return;
}
if (!Element.IsChanged && !ConfigChanged)
{
return;
}
Elements.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
var element = Element[i];
if (BaseElementName != null)
{
Elements[i] = element != null?GetElementsByXPathQuery(element, BaseElementName) : XMLNodes.NoElements;
}
}
var allElements = Elements.SelectMany(spread => spread).ToArray();
// process attributes
foreach (var attributeInfo in AttributeInfos)
{
attributeInfo.AttributeOutputPin.SliceCount = allElements.Length;
attributeInfo.AttributeExistsOutputPin.SliceCount = allElements.Length;
int i = 0;
foreach (var element in allElements)
{
var attributes = element.Attributes(attributeInfo.AttributeName);
var attribute = attributes.FirstOrDefault();
attributeInfo.AttributeOutputPin[i] = attribute != null ? attribute.Value : "";
attributeInfo.AttributeExistsOutputPin[i] = attribute != null;
i++;
}
}
// process content elements
foreach (var contentElementInfo in ContentElementInfos)
{
contentElementInfo.ContentElementOutputPin.SliceCount = allElements.Length;
contentElementInfo.ContentElementExistsOutputPin.SliceCount = allElements.Length;
int i = 0;
foreach (var element in allElements)
{
var elements = element.Elements(contentElementInfo.ContentElementName);
var el = elements.FirstOrDefault();
contentElementInfo.ContentElementOutputPin[i] = el != null ? el.Value : "";
contentElementInfo.ContentElementExistsOutputPin[i] = el != null;
i++;
}
}
// process child elements
foreach (var childElementInfo in ChildElementInfos)
{
childElementInfo.ChildElementOutputPin.SliceCount = allElements.Length;
childElementInfo.ChildElementExistsOutputPin.SliceCount = allElements.Length;
int i = 0;
foreach (var element in allElements)
{
var elements = element.Elements(childElementInfo.ChildElementName);
var el = elements.FirstOrDefault();
childElementInfo.ChildElementOutputPin[i] = el != null?GetElementByXPathQuery(element, childElementInfo.ChildElementName) : XMLNodes.NoElements.FirstOrDefault();
childElementInfo.ChildElementExistsOutputPin[i] = el != null;
i++;
}
}
ConfigChanged = false;
}
// method called each frame in vvvv
public void Evaluate(int SpreadMax)
{
//if (Element.SliceCount == 0) return;
if (!Element.IsChanged && !ConfigChanged && !XPathNamePin.IsChanged)
{
return;
}
Elements.SliceCount = Element.SliceCount;
for (int i = 0; i < Element.SliceCount; i++)
{
try
{
var element = Element[i];
if (!string.IsNullOrEmpty(XPathNamePin[0]) && element != null)
{
Elements[i] = element.XPathSelectElements(XPathNamePin[0], NamespaceResolver[0]).ToSpread();
}
else
{
Elements[i] = new Spread <XElement>(0);
}
}
catch (Exception e)
{
Elements[i] = new Spread <XElement>(0);
FLogger.Log(e);
}
}
var allElements = Elements.SelectMany(spread => spread).ToArray();
// set slicecount to all element hits
ElementsName.SliceCount = allElements.Length;
#region process names
int j = 0;
foreach (var element in allElements)
{
ElementsName[j] = element.Name.ToString();
j++;
}
#endregion process names
#region process queries
foreach (var query in FQueries.Values)
{
var queryExistsPin = query.QueryExistsContainer.IOObject;
var queryPin = query.QueryContainer.IOObject;
var firstPin = query.FirstContainer.IOObject;
var allPin = query.AllContainer.IOObject;
queryExistsPin.Length = allElements.Length;
queryPin.Length = allElements.Length;
firstPin.Length = allElements.Length;
allPin.Length = allElements.Length;
using (var queryExistsWriter = queryExistsPin.GetWriter())
using (var queryWriter = queryPin.GetWriter())
using (var firstWriter = firstPin.GetWriter())
using (var allWriter = allPin.GetWriter())
{
foreach (var element in allElements)
{
XObject xobj = null;
IEnumerable <XObject> xobjEnumerable = null;
try
{
var node = (IEnumerable)element.XPathEvaluate(query.Name, NamespaceResolver[0]);
xobjEnumerable = node.Cast <XObject>();
xobj = xobjEnumerable.FirstOrDefault();
}
catch (XPathException xe)
{
FLogger.Log(xe);
}
if (xobj != null)
{
if (xobj.NodeType == XmlNodeType.Attribute)
{
var attr = xobj as XAttribute;
queryExistsWriter.Write(true);
queryWriter.Write(attr.Value);
firstWriter.Write(new XElement("NIL"));
allWriter.Write(new MemoryIOStream <XElement>(0));
}
else
{
var el = xobj as XElement;
queryExistsWriter.Write(true);
queryWriter.Write(el.Value);
firstWriter.Write(el);
allWriter.Write(xobjEnumerable.Cast <XElement>().ToStream());
}
}
else
{
queryWriter.Write("");
queryExistsWriter.Write(false);
firstWriter.Write(new XElement("NIL"));
allWriter.Write(new MemoryIOStream <XElement>(0));
}
}
}
}
#endregion process queries
ConfigChanged = false;
}
