bool getXmpTagStringBag(Exiv2::XmpData &xmpData, const char *propertyName, QStringList &bag) {
bool found = false;
Exiv2::XmpKey key(propertyName);
Exiv2::XmpData::iterator it = xmpData.findKey(key);
if ((it != xmpData.end()) && (it->typeId() == Exiv2::xmpBag)) {
found = true;
int count = it->count();
bag.reserve(count);
if (count == 1) {
QString bagValue = QString::fromUtf8(it->toString(0).c_str());
if (bagValue.contains(',')) {
LOG_DEBUG << "processing legacy saved keywords";
bag += decomposeKeyword(bagValue);
} else {
bag.append(bagValue);
}
} else {
for (int i = 0; i < count; i++) {
QString bagValue = QString::fromUtf8(it->toString(i).c_str());
bag.append(bagValue);
}
}
}
return found;
}
bool getXmpLangAltValue(Exiv2::XmpData &xmpData, const char *propertyName,
const QString &langAlt, QString &resultValue) {
bool anyFound = false;
Exiv2::XmpKey key(propertyName);
Exiv2::XmpData::iterator it = xmpData.findKey(key);
if ((it != xmpData.end()) && (it->typeId() == Exiv2::langAlt)) {
const Exiv2::LangAltValue &value = static_cast<const Exiv2::LangAltValue &>(it->value());
QString anyValue;
Exiv2::LangAltValue::ValueType::const_iterator it2 = value.value_.begin();
Exiv2::LangAltValue::ValueType::const_iterator end = value.value_.end();
for (; it2 != end; ++it2) {
QString lang = QString::fromUtf8(it2->first.c_str());
if (langAlt == lang) {
QString text = QString::fromUtf8(it2->second.c_str()).trimmed();
if (!text.isEmpty()) {
anyFound = true;
resultValue = text.trimmed();
break;
}
}
if (anyValue.isEmpty()) {
QString text = QString::fromUtf8(it2->second.c_str());
anyValue = text.trimmed();
}
}
if (!anyFound && !anyValue.isEmpty()) {
anyFound = true;
resultValue = anyValue;
}
}
return anyFound;
}