/**
* Export this feature definition in the "all.desc" format which can be read by wagon.
*
* @param out the destination of the data
* @param featuresToIgnore a set of Strings containing the names of features that wagon should
* ignore. Can be null.
*/
private void createDescFile() throws IOException {
PrintWriter out = new PrintWriter(new FileOutputStream(descFile));
Set<String> featuresToIgnore = new HashSet<String>();
featuresToIgnore.add("unit_logf0");
featuresToIgnore.add("unit_duration");
int numDiscreteFeatures =
featureDefinition.getNumberOfByteFeatures() + featureDefinition.getNumberOfShortFeatures();
out.println("(");
out.println("(occurid cluster)");
for (int i = 0, n = featureDefinition.getNumberOfFeatures(); i < n; i++) {
out.print("( ");
String featureName = featureDefinition.getFeatureName(i);
out.print(featureName);
if (featuresToIgnore != null && featuresToIgnore.contains(featureName)) {
out.print(" ignore");
}
if (i < numDiscreteFeatures) { // list values
for (int v = 0, vmax = featureDefinition.getNumberOfValues(i); v < vmax; v++) {
out.print(" ");
// Print values surrounded by double quotes, and make sure any
// double quotes in the value are preceded by a backslash --
// otherwise, we get problems e.g. for sentence_punc
String val = featureDefinition.getFeatureValueAsString(i, v);
if (val.indexOf('"') != -1) {
StringBuilder buf = new StringBuilder();
for (int c = 0; c < val.length(); c++) {
char ch = val.charAt(c);
if (ch == '"') buf.append("\\\"");
else buf.append(ch);
}
val = buf.toString();
}
out.print("\"" + val + "\"");
}
out.println(" )");
} else { // float feature
out.println(" float )");
}
}
out.println(")");
out.close();
}
