/// <summary>
/// Adds a MaltFeatureNode object to the feature list. The object will be added in the sorted feature list based on
/// the compareTo() in MaltFeatureNode.
/// </summary>
/// <param name="x"> a MaltFeatureNode object </param>
public virtual void add(MaltFeatureNode x)
{
if (list.Count == 0 || list[list.Count - 1].CompareTo(x) <= 0)
{
list.Add(x);
}
else
{
int low = 0;
int high = list.Count - 1;
int mid;
MaltFeatureNode y;
while (low <= high)
{
mid = (low + high) / 2;
y = list[mid];
if (y.CompareTo(x) < 0)
{
low = mid + 1;
}
else if (y.CompareTo(x) > 0)
{
high = mid - 1;
}
else
{
break;
}
}
list.Insert(low, x);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: protected void binariesInstances2SVMFileFormat(java.io.InputStreamReader isr, java.io.OutputStreamWriter osw) throws org.maltparser.core.exception.MaltChainedException
protected internal virtual void binariesInstances2SVMFileFormat(StreamReader isr, StreamWriter osw)
{
try
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.io.BufferedReader in = new java.io.BufferedReader(isr);
StreamReader @in = new StreamReader(isr);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.io.BufferedWriter out = new java.io.BufferedWriter(osw);
StreamWriter @out = new StreamWriter(osw);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.maltparser.ml.lib.FeatureList featureSet = new org.maltparser.ml.lib.FeatureList();
FeatureList featureSet = new FeatureList();
while (true)
{
string line = @in.ReadLine();
if (ReferenceEquals(line, null))
{
break;
}
int y = binariesInstance(line, featureSet);
if (y == -1)
{
continue;
}
@out.Write(Convert.ToString(y));
for (int k = 0; k < featureSet.size(); k++)
{
MaltFeatureNode x = featureSet.get(k);
@out.BaseStream.WriteByte(' ');
@out.Write(Convert.ToString(x.Index));
@out.BaseStream.WriteByte(':');
@out.Write(Convert.ToString(x.Value));
}
@out.BaseStream.WriteByte('\n');
}
@in.Close();
@out.Close();
}
catch (FormatException e)
{
throw new LibException("The instance file contain a non-numeric value", e);
}
catch (IOException e)
{
throw new LibException("Couldn't read from the instance file, when converting the Malt instances into LIBSVM/LIBLINEAR format. ", e);
}
}
public virtual MaltFeatureNode[] toArray()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final MaltFeatureNode[] nodes = new MaltFeatureNode[list.size()];
MaltFeatureNode[] nodes = new MaltFeatureNode[list.Count];
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int len = nodes.length;
int len = nodes.Length;
for (int i = 0; i < len; i++)
{
nodes[i] = list[i];
}
return(nodes);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private libsvm.svm_problem readProblem(java.io.InputStreamReader isr, java.util.LinkedHashMap<String, String> libOptions) throws org.maltparser.core.exception.MaltChainedException
private svm_problem readProblem(StreamReader isr, LinkedHashMap <string, string> libOptions)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final libsvm.svm_problem problem = new libsvm.svm_problem();
svm_problem problem = new svm_problem();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final libsvm.svm_parameter param = getLibSvmParameters(libOptions);
svm_parameter param = getLibSvmParameters(libOptions);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.maltparser.ml.lib.FeatureList featureList = new org.maltparser.ml.lib.FeatureList();
FeatureList featureList = new FeatureList();
try
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.io.BufferedReader fp = new java.io.BufferedReader(isr);
StreamReader fp = new StreamReader(isr);
problem.l = NumberOfInstances;
problem.x = new svm_node[problem.l][];
problem.y = new double[problem.l];
int i = 0;
while (true)
{
string line = fp.ReadLine();
if (ReferenceEquals(line, null))
{
break;
}
int y = binariesInstance(line, featureList);
if (y == -1)
{
continue;
}
try
{
problem.y[i] = y;
problem.x[i] = new svm_node[featureList.size()];
int p = 0;
for (int k = 0; k < featureList.size(); k++)
{
MaltFeatureNode x = featureList.get(k);
problem.x[i][p] = new svm_node();
problem.x[i][p].value = x.Value;
problem.x[i][p].index = x.Index;
p++;
}
i++;
}
catch (IndexOutOfRangeException e)
{
throw new LibException("Couldn't read libsvm problem from the instance file. ", e);
}
}
fp.Close();
if (param.gamma == 0)
{
param.gamma = 1.0 / featureMap.FeatureCounter;
}
}
catch (IOException e)
{
throw new LibException("Couldn't read libsvm problem from the instance file. ", e);
}
return(problem);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private de.bwaldvogel.liblinear.Problem readProblem(java.io.InputStreamReader isr) throws org.maltparser.core.exception.MaltChainedException
private Problem readProblem(StreamReader isr)
{
Problem problem = new Problem();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.maltparser.ml.lib.FeatureList featureList = new org.maltparser.ml.lib.FeatureList();
FeatureList featureList = new FeatureList();
if (Configuration.LoggerInfoEnabled)
{
Configuration.logInfoMessage("- Read all training instances.\n");
}
try
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.io.BufferedReader fp = new java.io.BufferedReader(isr);
StreamReader fp = new StreamReader(isr);
problem.bias = -1;
problem.l = NumberOfInstances;
problem.x = new FeatureNode[problem.l][];
problem.y = new int[problem.l];
int i = 0;
while (true)
{
string line = fp.ReadLine();
if (ReferenceEquals(line, null))
{
break;
}
int y = binariesInstance(line, featureList);
if (y == -1)
{
continue;
}
try
{
problem.y[i] = y;
problem.x[i] = new FeatureNode[featureList.size()];
int p = 0;
for (int k = 0; k < featureList.size(); k++)
{
MaltFeatureNode x = featureList.get(k);
problem.x[i][p++] = new FeatureNode(x.Index, x.Value);
}
i++;
}
catch (IndexOutOfRangeException e)
{
throw new LibException("Couldn't read liblinear problem from the instance file. ", e);
}
}
fp.Close();
problem.n = featureMap.size();
}
catch (IOException e)
{
throw new LibException("Cannot read from the instance file. ", e);
}
return(problem);
}
