public virtual bool HasOtherChild(int k, DependencyTree goldTree)
{
for (int i = 1; i <= tree.n; ++i)
{
if (goldTree.GetHead(i) == k && tree.GetHead(i) != k)
{
return(true);
}
}
return(false);
}
// 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 int GetHead(int k)
{
return(tree.GetHead(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);
}
}
// NOTE: need to check the correctness again.
private static bool CanReach(Configuration c, DependencyTree dTree)
{
int n = c.GetSentenceSize();
for (int i = 1; i <= n; ++i)
{
if (c.GetHead(i) != Config.Nonexist && c.GetHead(i) != dTree.GetHead(i))
{
return(false);
}
}
bool[] inBuffer = new bool[n + 1];
bool[] depInList = new bool[n + 1];
int[] leftL = new int[n + 2];
int[] rightL = new int[n + 2];
for (int i_1 = 0; i_1 < c.GetBufferSize(); ++i_1)
{
inBuffer[c.buffer[i_1]] = true;
}
int nLeft = c.GetStackSize();
for (int i_2 = 0; i_2 < nLeft; ++i_2)
{
int x = c.stack[i_2];
leftL[nLeft - i_2] = x;
if (x > 0)
{
depInList[dTree.GetHead(x)] = true;
}
}
int nRight = 1;
rightL[nRight] = leftL[1];
for (int i_3 = 0; i_3 < c.GetBufferSize(); ++i_3)
{
// boolean inList = false;
int x = c.buffer[i_3];
if (!inBuffer[dTree.GetHead(x)] || depInList[x])
{
rightL[++nRight] = x;
depInList[dTree.GetHead(x)] = true;
}
}
int[][] g = new int[][] { };
for (int i_4 = 1; i_4 <= nLeft; ++i_4)
{
for (int j = 1; j <= nRight; ++j)
{
g[i_4][j] = -1;
}
}
g[1][1] = leftL[1];
for (int i_5 = 1; i_5 <= nLeft; ++i_5)
{
for (int j_1 = 1; j_1 <= nRight; ++j_1)
{
if (g[i_5][j_1] != -1)
{
int x = g[i_5][j_1];
if (j_1 < nRight && dTree.GetHead(rightL[j_1 + 1]) == x)
{
g[i_5][j_1 + 1] = x;
}
if (j_1 < nRight && dTree.GetHead(x) == rightL[j_1 + 1])
{
g[i_5][j_1 + 1] = rightL[j_1 + 1];
}
if (i_5 < nLeft && dTree.GetHead(leftL[i_5 + 1]) == x)
{
g[i_5 + 1][j_1] = x;
}
if (i_5 < nLeft && dTree.GetHead(x) == leftL[i_5 + 1])
{
g[i_5 + 1][j_1] = leftL[i_5 + 1];
}
}
}
}
return(g[nLeft][nRight] != -1);
}