public override Tree TransformTree(Tree t, Tree root)
{
// Perform tregex-powered annotations
t = base.TransformTree(t, root);
string cat = t.Value();
//Add morphosyntactic features if this is a POS tag
if (t.IsPreTerminal() && tagSpec != null)
{
if (!(t.FirstChild().Label() is CoreLabel) || ((CoreLabel)t.FirstChild().Label()).OriginalText() == null)
{
throw new Exception(string.Format("%s: Term lacks morpho analysis: %s", this.GetType().FullName, t.ToString()));
}
string morphoStr = ((CoreLabel)t.FirstChild().Label()).OriginalText();
Pair <string, string> lemmaMorph = MorphoFeatureSpecification.SplitMorphString(string.Empty, morphoStr);
MorphoFeatures feats = tagSpec.StrToFeatures(lemmaMorph.Second());
cat = feats.GetTag(cat);
}
//Update the label(s)
t.SetValue(cat);
if (t.IsPreTerminal() && t.Label() is IHasTag)
{
((IHasTag)t.Label()).SetTag(cat);
}
return(t);
}
/// <summary>First map to the LDC short tags.</summary>
/// <remarks>
/// First map to the LDC short tags. Then map to the Universal POS. Then add
/// morphological annotations.
/// </remarks>
public override string Map(string posTag, string terminal)
{
string rawTag = posTag.Trim();
string shortTag = tagsToEscape.Contains(rawTag) ? rawTag : tagMap[rawTag];
if (shortTag == null)
{
System.Console.Error.Printf("%s: No LDC shortened tag for %s%n", this.GetType().FullName, rawTag);
return(rawTag);
}
string universalTag = universalMap[shortTag];
if (!universalMap.Contains(shortTag))
{
System.Console.Error.Printf("%s: No universal tag for LDC tag %s%n", this.GetType().FullName, shortTag);
universalTag = shortTag;
}
MorphoFeatures feats = new MorphoFeatures(morphoSpec.StrToFeatures(rawTag));
string functionalTag = feats.GetTag(universalTag);
return(functionalTag);
}