/// <summary>
/// Gets a deep copy of this label
/// </summary>
/// <returns>Deep copy of this label</returns>
public NomBankNodeLabel Copy()
{
NomBankNodeLabel copied = new NomBankNodeLabel(_type, _feature, _confidence);
foreach (HyphenationIndex hyphenIndex in _hyphenIndexes)
{
copied.AddHyphenIndex(hyphenIndex);
}
return(copied);
}
/// <summary>
/// Applies the current type to a node, or does nothing if the node already has the type
/// </summary>
/// <param name="n">Node to apply type to</param>
private void ApplyType(NomBankNode n)
{
// don't reapply type
if (n.HasLabel(_label))
{
return;
}
// add label without hyphen indexes, and don't bother synching with root collection (this collection will be added to the root)
NomBankNodeLabel label = _label.Copy();
label.HyphenIndexes.Clear();
n.AddLabel(label, false);
// only apply hyphen indexes to text with a hyphen or slash
string nodeText = n.SurfaceText;
char[] hyphenSlash = new char[] { '-', '/' };
if (nodeText.IndexOfAny(hyphenSlash) == -1)
{
return;
}
// try to apply each hyphen index
foreach (NomBankNodeLabel.HyphenationIndex hyphenIndex in _label.HyphenIndexes)
{
int numParts = nodeText.Split(hyphenSlash, StringSplitOptions.RemoveEmptyEntries).Length;
// get numeric hyphen index
int index = int.Parse(hyphenIndex.ToString().Substring(1));
// add index to node's label if applicable
if (index < numParts)
{
if (_appliedIndexes.Contains(hyphenIndex))
{
throw new Exception("Hyphen index applied more than once");
}
label.AddHyphenIndex(hyphenIndex);
_appliedIndexes.Add(hyphenIndex);
}
}
}
