/// <summary>
/// Returns depth of nesting level of the given type, along given node to the document root.
/// </summary>
/// <param name="currentNode"></param>
/// <param name="feature"></param>
/// <returns></returns>
public int GetNestedDepth(Feature currentNode, String feature)
{
//If a parent is repeated and most higher feature(closer to root) is parent return 1
//if parent equals current return real depth
Feature tmpNode = currentNode;
while (tmpNode.Parent != null)
{
if (tmpNode.Name.Equals(feature)) break;
int parentRepeats = GetNestedCount(tmpNode, tmpNode.Name);
String rootFeature = GetRootFeature(tmpNode, feature, tmpNode.Name);
if (parentRepeats > 1 && rootFeature.Equals(tmpNode.Name))
{
return 0;
}
tmpNode = tmpNode.Parent;
}
return GetNestedCount(currentNode, feature);
}
private void AddStyle(Feature feature)
{
IEnumerable<StyleInfo> stylesConstraints = randomizer.GetRandomStyleSubset(feature.Name);
float styleAddingProb = Config.Default.StyleAddProb;
float randomVal = (float) randomNumber.NextDouble();
//Only add styles to fraction of features
if (randomVal < styleAddingProb)
{
List<Style> possibleStyles = new List<Style>();
foreach (var item in stylesConstraints)
{
possibleStyles.Add(StyleFactory.CreateStyle(item, defaults));
}
foreach (var style in possibleStyles)
{
feature.AddStyle(style);
}
}
foreach (var subFeature in feature.GetChildFeatures())
{
AddStyle(subFeature);
}
}
private void ProcessLeaf(Feature node)
{
if (node.SubFeaturesCompleted) return;
IEnumerable<String> randomFeatures = randomGen.GetRandomFeatureList(node.Name);
foreach (var randomFeature in randomFeatures)
{
//Limiting depth of recursive features
if (docTree.GetNestedDepth(node, randomFeature) >= configuration.GetMaxNestingDepth(randomFeature))
{
continue;
}
int childCount = GetChildCount(node.Name, randomFeature);
for (int i = 0; i < childCount; i++)
{
if (node.GetSubFeatureCount(randomFeature) < childCount)
{
node.AddSubElement(FeatureFactory.CreateFeature(randomFeature, DataProvider));
}
}
}
node.ShuffleChilds();
node.SubFeaturesCompleted = true;
}
public static Feature CreateFeature(String featureName, IDataProvider dataProvider)
{
Feature tmp = new Feature();
tmp.Name = featureName;
tmp.Value = dataProvider.GetSampleData(featureName);
return tmp;
}
private void AddToXml(Feature feature, XElement element)
{
if (feature.Value != null) {
element.Value = feature.Value;
}
foreach (var style in feature.GetStyles())
{
XAttribute tmp = new XAttribute(style.Name, style.Value);
element.Add(tmp);
}
IEnumerable<Feature> subElements = feature.GetChildFeatures();
foreach (var subElement in subElements)
{
XElement tmp = new XElement(subElement.Name);
element.Add(tmp);
AddToXml(subElement, tmp);
}
}
public String GetNodePath(Feature node)
{
List<String> featureName = new List<String>();
Feature parent = node;
while ( parent != null)
{
featureName.Add(parent.Name);
parent = parent.Parent;
}
StringBuilder path = new StringBuilder();
for (int i = featureName.Count()-1 ; i >= 0; i--)
{
path.Append("/");
path.Append(featureName[i]);
}
return path.ToString();
}
private void AddSpecificStyle(Feature feature)
{
String path = document.GetNodePath(feature);
IEnumerable<StyleInfo> styleConstraints = configFacade.GetStylesPartial(path);
List<Style> specificStyles = new List<Style>();
foreach (var item in styleConstraints)
{
specificStyles.Add(StyleFactory.CreateStyle(item, defaults));
}
foreach (var style in specificStyles)
{
feature.AddStyle(style, true); //Should we check style compatibility here
}
foreach (var subFeature in feature.GetChildFeatures())
{
AddSpecificStyle(subFeature);
}
}
private void CalculateLeafNodes(Feature node, List<Feature> leaves)
{
if (IsLeaf(node))
{
leaves.Add(node);
return;
}
else {
foreach (var childNode in node.GetChildFeatures())
{
CalculateLeafNodes(childNode, leaves);
}
}
}
private bool IsLeaf(Feature node)
{
if (node.GetSubFeatureCount() == 0) {
return true;
}
return false;
}
private String GetRootFeature(Feature currentNode, String feature1, String feature2)
{
int feature1Depth = GetDepthToFirst(currentNode, feature1);
int feature2Depth = GetDepthToFirst(currentNode, feature2);
return feature1Depth < feature2Depth ? feature1 : feature2;
}
/// <summary>
/// Returns number of repititions for the given feature along the current node to the root
/// </summary>
/// <param name="currentNode"></param>
/// <param name="feature"></param>
/// <returns></returns>
private int GetNestedCount(Feature currentNode, String feature)
{
Feature immidiateParent = currentNode;
int depthCount = 0;
while (immidiateParent != null)
{
if (immidiateParent.Name.Equals(feature)) depthCount++;
immidiateParent = immidiateParent.Parent;
}
return depthCount;
}
/// <summary>
/// returns the depth to the first occurance of a given feature along root to the current node
/// </summary>
/// <param name="currentNode"></param>
/// <param name="feature"></param>
/// <returns></returns>
private int GetDepthToFirst(Feature currentNode, String feature)
{
Feature immidiateParent = currentNode.Parent;
List<String> path = new List<String>();
path.Add(currentNode.Name);
while (immidiateParent != null)
{
path.Add(immidiateParent.Name);
immidiateParent = immidiateParent.Parent;
}
return path.Count - path.LastIndexOf(feature);
}
public DocumentTree()
{
Root = new Feature();
Root.Name = "document"; //TODO: provide external interface
}
public void AddSubElement(Feature subElement)
{
subElements.Add(subElement);
subElement.Parent = this;
}