internal override bool IsOracle(Configuration c, string t, DependencyTree dTree)
{
if (!CanApply(c, t))
{
return(false);
}
if (t.StartsWith("L") && !dTree.GetLabel(c.GetStack(1)).Equals(Sharpen.Runtime.Substring(t, 2, t.Length - 1)))
{
return(false);
}
if (t.StartsWith("R") && !dTree.GetLabel(c.GetStack(0)).Equals(Sharpen.Runtime.Substring(t, 2, t.Length - 1)))
{
return(false);
}
Configuration ct = new Configuration(c);
Apply(ct, t);
return(CanReach(ct, dTree));
}
// O(n) implementation
public override string GetOracle(Configuration c, DependencyTree dTree)
{
int w1 = c.GetStack(1);
int w2 = c.GetStack(0);
if (w1 > 0 && dTree.GetHead(w1) == w2)
{
return("L(" + dTree.GetLabel(w1) + ')');
}
else
{
if (w1 >= 0 && dTree.GetHead(w2) == w1 && !c.HasOtherChild(w2, dTree))
{
return("R(" + dTree.GetLabel(w2) + ')');
}
else
{
return("S");
}
}
}
/// <param name="k">
/// Word index (zero = root node; actual word indexing
/// begins at 1)
/// </param>
public virtual string GetLabel(int k)
{
return(tree.GetLabel(k));
}
public static void WriteConllFile(string outFile, IList <ICoreMap> sentences, IList <DependencyTree> trees)
{
try
{
PrintWriter output = IOUtils.GetPrintWriter(outFile);
for (int i = 0; i < sentences.Count; i++)
{
ICoreMap sentence = sentences[i];
DependencyTree tree = trees[i];
IList <CoreLabel> tokens = sentence.Get(typeof(CoreAnnotations.TokensAnnotation));
for (int j = 1; j <= size; ++j)
{
CoreLabel token = tokens[j - 1];
output.Printf("%d\t%s\t_\t%s\t%s\t_\t%d\t%s\t_\t_%n", j, token.Word(), token.Tag(), token.Tag(), tree.GetHead(j), tree.GetLabel(j));
}
output.Println();
}
output.Close();
}
catch (Exception e)
{
throw new RuntimeIOException(e);
}
}
