/**
* Convert a phone string into a list of string representations of individual phones. The input
* can use the suffix "1" to indicate stressed vowels.
*
* @param phoneString the phone string to split
* @return a linked list of strings, each string representing an individual phone
* @deprecated This duplicates (badly) {@link AllophoneSet#splitAllophoneString(String)}; use that
* method instead.
*/
@Deprecated
protected LinkedList<String> splitIntoAllophones(String phoneString) {
LinkedList<String> phoneList = new LinkedList<String>();
for (int i = 0; i < phoneString.length(); i++) {
// Try to cut off individual segments,
// starting with the longest prefixes,
// and allowing for a suffix "1" marking stress:
String name = null;
for (int j = 3; j >= 1; j--) {
if (i + j <= phoneString.length()) {
String candidate = phoneString.substring(i, i + j);
try {
allophoneSet.getAllophone(candidate);
name = candidate;
i += j - 1; // so that the next i++ goes beyond current phone
break;
} catch (IllegalArgumentException e) {
// ignore
}
}
}
if (name != null) {
phoneList.add(name);
}
}
return phoneList;
}
/**
* Get the Allophone object named phone; if phone ends with "1", discard the "1" and use the rest
* of the string as the phone symbol.
*
* @param phone phone
* @deprecated Use {@link AllophoneSet#getAllophone(String)} instead
* @return allophoneset.getAllophone(phonesubstring(0, phone.length() - 1)) if
* this.removeTrailingOneFromPhones and phone.endsWith("1"),
* allophoneset.getAllophone(phonesubstring(phone) otherwise
*/
@Deprecated
protected Allophone getAllophone(String phone) {
if (this.removeTrailingOneFromPhones && phone.endsWith("1"))
return allophoneSet.getAllophone(phone.substring(0, phone.length() - 1));
else return allophoneSet.getAllophone(phone);
}
/**
* For those syllables containing a "1" character, remove that "1" character and add a stress
* marker ' at the beginning of the syllable.
*
* @param phoneList phoneList
*/
protected void correctStressSymbol(LinkedList<String> phoneList) {
boolean stressFound = false;
ListIterator<String> it = phoneList.listIterator(0);
while (it.hasNext()) {
String s = it.next();
if (s.endsWith("1")) {
if (this.removeTrailingOneFromPhones) {
it.set(s.substring(0, s.length() - 1)); // delete "1"
}
if (!stressFound) {
// Only add a stress marker for first occurrence of "1":
// Search backwards for syllable boundary or beginning of word:
int steps = 0;
while (it.hasPrevious()) {
steps++;
String t = it.previous();
if (t.equals("-") || t.equals("_")) { // syllable boundary
it.next();
steps--;
break;
}
}
it.add("'");
while (steps > 0) {
it.next();
steps--;
}
stressFound = true;
}
}
}
// No stressed vowel in word?
if (!stressFound) {
// Stress first non-schwa syllable
it = phoneList.listIterator(0);
while (it.hasNext()) {
String s = it.next();
// HB there's a problem here, not sure why, but s can be "-" in some circumstances and we
// get
// java.lang.IllegalArgumentException: Allophone `-' could not be found in AllophoneSet
// `sampa' (Locale: sv)
// in that case
if (s == "-") {
System.err.println("Problem with -");
break;
}
Allophone ph = allophoneSet.getAllophone(s);
if (ph.sonority() >= 5) { // non-schwa vowel
// Search backwards for syllable boundary or beginning of word:
int steps = 0;
while (it.hasPrevious()) {
steps++;
String t = it.previous();
if (t.equals("-") || t.equals("_")) { // syllable boundary
it.next();
steps--;
break;
}
}
it.add("'");
while (steps > 0) {
it.next();
steps--;
}
break; // OK, that's it.
}
}
}
}
