public static IEnumerable <CstNode> GetUppermostNodesByNames(CstNode cst, ISet <string> nodeNames)
{
return(cst.DescendantsAndSelf()
.Where(node => nodeNames.Contains(node.Name))
.Where(node => node.AncestorsWithSingleChild()
.All(ancestor => !nodeNames.Contains(ancestor.Name))));
}
public IEnumerable<CstNode> ExtractElements(CstNode ast) {
foreach (var nameAndRules in FilterDictionary) {
var elements = ast.DescendantsAndSelf(nameAndRules.Key);
var rules = nameAndRules.Value;
var results = elements.Where(e => rules.All(rule => rule.IsAcceptable(e)));
foreach (var result in results) {
yield return result;
}
}
}
public IEnumerable <CstNode> ExtractElements(CstNode ast)
{
foreach (var nameAndRules in FilterDictionary)
{
var elements = ast.DescendantsAndSelf(nameAndRules.Key);
var rules = nameAndRules.Value;
var results = elements.Where(e => rules.All(rule => rule.IsAcceptable(e)));
foreach (var result in results)
{
yield return(result);
}
}
}
/// <summary>
/// Find the most inner element which includes this range from the specified CstNode instance.
/// </summary>
/// <param name="root"></param>
/// <returns></returns>
public CstNode FindInnermostNode(CstNode root)
{
CstNode lastElement = null;
foreach (var elem in root.DescendantsAndSelf())
{
var pos = Locate(elem);
if (pos.Contains(this))
{
lastElement = elem;
}
else if (EndLocation <= pos.StartLocation)
{
break;
}
}
return(lastElement);
}
protected IEnumerable <CstNode> GetAllElements(CstNode cst, ISet <string> elementNames)
{
return(cst.DescendantsAndSelf()
.Where(e => elementNames.Contains(e.Name)));
}
protected IEnumerable<CstNode> GetAllElements(CstNode cst, ISet<string> elementNames) {
return cst.DescendantsAndSelf()
.Where(e => elementNames.Contains(e.Name));
}
public static IEnumerable<CstNode> GetUppermostNodesByNames(CstNode cst, ISet<string> nodeNames) {
return cst.DescendantsAndSelf()
.Where(node => nodeNames.Contains(node.Name))
.Where(node => node.AncestorsWithSingleChild()
.All(ancestor => !nodeNames.Contains(ancestor.Name)));
}
