/** Parses the main vowel. */
private void parseMainVowel() {
if (!validViSyll) return;
if (iCurPos > strSyllable.length() - 1) {
validViSyll = false;
return;
}
String strVowel = "";
for (int i = iCurPos; i < strSyllable.length(); ++i) {
int idx = vnVowels.indexOf(strSyllable.charAt(i));
if (idx == -1) break;
strVowel += vnVowels.charAt((idx / 6) * 6);
if (tone.getValue() == TONE.NO_TONE.getValue()) tone = TONE.getTone(idx % 6);
}
Iterator iter = alMainVowels.iterator();
while (iter.hasNext()) {
String tempVowel = (String) iter.next();
if (strVowel.startsWith(tempVowel)) {
strMainVowel = tempVowel;
iCurPos += tempVowel.length();
return;
}
}
validViSyll = false;
return;
}
/** Parses the secondary vowel. */
private void parseSecondaryVowel() {
if (!validViSyll) return;
// get the current and next character in the syllable string
char curChar, nextChar;
if (iCurPos > strSyllable.length() - 1) {
validViSyll = false;
return;
}
curChar = strSyllable.charAt(iCurPos);
if (iCurPos == strSyllable.length() - 1) nextChar = '$';
else nextChar = strSyllable.charAt(iCurPos + 1);
// get the tone and the original vowel (without tone)
TONE tone = TONE.NO_TONE;
int idx1 = vnVowels.indexOf(curChar);
int idx2 = vnVowels.indexOf(nextChar);
if (idx1 == -1) return; // current char is not a vowel
tone = TONE.getTone(idx1 % 6);
curChar = vnVowels.charAt((idx1 / 6) * 6);
if (idx2 == -1) { // next char is not a vowel
strSecondaryVowel = ZERO;
return;
}
nextChar = vnVowels.charAt((idx2 / 6) * 6);
if (tone.getValue() == TONE.NO_TONE.getValue()) tone = TONE.getTone(idx2 % 6);
// Check the secondary vowel
if (curChar == 'o') {
if (nextChar == 'a' || nextChar == 'e') {
strSecondaryVowel += curChar;
iCurPos++;
} else strSecondaryVowel = ZERO; // oo
return;
} else if (curChar == 'u') {
if (nextChar != 'i' && nextChar != '$') {
strSecondaryVowel += curChar;
iCurPos++;
} else strSecondaryVowel = ZERO;
return;
}
}