_size_t_ getVowelPos (ustring ch) {
_size_t_ pos = VowelsWithAccents.find (ch.lowercase ());
if (pos != ustring::npos)
pos /= NUMBER_OF_ACCENTS;
else if (Vowels.find (ch.lowercase ()) != pos)
pos = Vowels.find (ch.lowercase ());
return pos;
}
_size_t_ getMarkedCharPos (ustring ch) {
_size_t_ mark =
LettersWithMarks.find (removeAccentFromChar (ch.lowercase ()));
if (mark != ustring::npos)
mark %= LettersWithoutMarks.length ();
return mark;
}
Accents getAccentFromChar (ustring ch) {
_size_t_ accent = VowelsWithAccents.find (ch.lowercase ());
if (accent != ustring::npos)
accent %= NUMBER_OF_ACCENTS;
else
accent = NO_ACCENT;
return accent;
}
ustring removeAccentFromChar (ustring ch) {
bool isUp = isUpperCase (ch);
ch = ch.lowercase ();
_size_t_ posVowel = getVowelPos (ch);
if (posVowel != ustring::npos)
ch = _(Vowels[posVowel]);
if (isUp)
ch = ch.uppercase ();
return ch;
}
ustring addAccentToChar (ustring ch, Accents accent) {
bool isUp = isUpperCase (ch);
ch = ch.lowercase ();
_size_t_ pos = Vowels.find (ch);
if (pos != ustring::npos)
ch = _(VowelsWithAccents[pos * NUMBER_OF_ACCENTS + accent]);
if (isUp)
ch = ch.uppercase ();
return ch;
}
bool operator() (const ustring& str1, const ustring& str2) const {
if (str1.length() >= str2.length() && str2.lowercase() == str1.substr(0, str2.length()).lowercase())
return false;
else
return true;
}
bool isWordBreak (ustring ch, guint BackspaceChar) {
// A char is a word-break if and only if tt's a non-letter
// character and not a Backspace.
return !isLetter (ch.lowercase ()) && ch != _(BackspaceChar);
}
bool isVowel (ustring ch) {
return PlainVowels.find (toPlainLetter (ch.lowercase ()))
!= ustring::npos;
}