UChar32 SurrogatePairAwareTextIterator::normalizeVoicingMarks()
{
// According to http://www.unicode.org/Public/UNIDATA/UCD.html#Canonical_Combining_Class_Values
static const uint8_t hiraganaKatakanaVoicingMarksCombiningClass = 8;
if (m_currentCharacter + 1 >= m_endCharacter)
return 0;
if (combiningClass(m_characters[1]) == hiraganaKatakanaVoicingMarksCombiningClass) {
#if USE(ICU_UNICODE)
// Normalize into composed form using 3.2 rules.
UChar normalizedCharacters[2] = { 0, 0 };
UErrorCode uStatus = U_ZERO_ERROR;
int32_t resultLength = unorm_normalize(m_characters, 2, UNORM_NFC, UNORM_UNICODE_3_2, &normalizedCharacters[0], 2, &uStatus);
if (resultLength == 1 && !uStatus)
return normalizedCharacters[0];
#elif USE(QT4_UNICODE)
QString tmp(reinterpret_cast<const QChar*>(m_characters), 2);
QString res = tmp.normalized(QString::NormalizationForm_C, QChar::Unicode_3_2);
if (res.length() == 1)
return res.at(0).unicode();
#endif
}
return 0;
}
UChar32 WidthIterator::normalizeVoicingMarks(int currentCharacter)
{
if (currentCharacter + 1 < m_end) {
if (combiningClass(m_run[currentCharacter + 1]) == hiraganaKatakanaVoicingMarksCombiningClass) {
#if USE(ICU_UNICODE)
// Normalize into composed form using 3.2 rules.
UChar normalizedCharacters[2] = { 0, 0 };
UErrorCode uStatus = U_ZERO_ERROR;
int32_t resultLength = unorm_normalize(m_run.data(currentCharacter), 2,
UNORM_NFC, UNORM_UNICODE_3_2, &normalizedCharacters[0], 2, &uStatus);
if (resultLength == 1 && uStatus == 0)
return normalizedCharacters[0];
#elif USE(QT4_UNICODE)
QString tmp(reinterpret_cast<const QChar*>(m_run.data(currentCharacter)), 2);
QString res = tmp.normalized(QString::NormalizationForm_C, QChar::Unicode_3_2);
if (res.length() == 1)
return res.at(0).unicode();
#endif
}
}
return 0;
}
