C++ AutoPtr::typeId方法代码示例

KisMetaData::Value deviceSettingDescriptionExifToKMD(const Exiv2::Value::AutoPtr value)
{
    QMap<QString, KisMetaData::Value> deviceSettingStructure;
    QByteArray array;

    const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
    if(dvalue)
    {
        array.resize(dvalue->count());
        dvalue->copy((Exiv2::byte*)array.data());
    } else {
        Q_ASSERT(value->typeId() == Exiv2::unsignedShort);
        array.resize(2 * value->count());
        value->copy((Exiv2::byte*)array.data(), Exiv2::littleEndian);
    }
    int columns = (reinterpret_cast<quint16*>(array.data()))[0];
    int rows = (reinterpret_cast<quint16*>(array.data()))[1];
    deviceSettingStructure["Columns"] = KisMetaData::Value(columns);
    deviceSettingStructure["Rows"] = KisMetaData::Value(rows);
    QList<KisMetaData::Value> settings;
    QByteArray null(2, 0);

    for (int index = 4; index < array.size(); )
    {
        int lastIndex = array.indexOf(null, index);
        QString setting = QString::fromUtf16((ushort*)(void*)( array.data() + index), lastIndex - index + 2);
        index = lastIndex + 2;
        dbgFile << "Setting << " << setting;
        settings.append(KisMetaData::Value(setting));
    }
    deviceSettingStructure["Settings"] = KisMetaData::Value(settings, KisMetaData::Value::OrderedArray);
    return KisMetaData::Value(deviceSettingStructure);
}

// convert ExifVersion and FlashpixVersion to a KisMetaData value
KisMetaData::Value exifVersionToKMDValue(const Exiv2::Value::AutoPtr value)
{
    const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
    if(dvalue)
    {
        Q_ASSERT(dvalue);
        QByteArray array(dvalue->count(), 0);
        dvalue->copy((Exiv2::byte*)array.data());
        return KisMetaData::Value(QString(array));
    } else {
        Q_ASSERT(value->typeId() == Exiv2::asciiString);
        return KisMetaData::Value(QString::fromLatin1(value->toString().c_str()));
    }
}

// Convert an exif array of integer string to a KisMetaData array of integer
KisMetaData::Value exifArrayToKMDIntOrderedArray(const Exiv2::Value::AutoPtr value)
{
    QList<KisMetaData::Value> v;
    const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
    if(dvalue)
    {
        QByteArray array(dvalue->count(), 0);
        dvalue->copy((Exiv2::byte*)array.data());
        for (int i = 0; i < array.size(); i++) {
            QChar c((char)array[i]);
            v.push_back(KisMetaData::Value(QString(c).toInt(0)));
        }
    } else {
        Q_ASSERT(value->typeId() == Exiv2::asciiString);
        QString str = QString::fromLatin1(value->toString().c_str());
        v.push_back(KisMetaData::Value(str.toInt()));
    }
    return KisMetaData::Value(v, KisMetaData::Value::OrderedArray);
}

// Convert an exiv value to a KisMetaData value
KisMetaData::Value exivValueToKMDValue(const Exiv2::Value::AutoPtr value, bool forceSeq, KisMetaData::Value::ValueType arrayType)
{
    switch (value->typeId()) {
    case Exiv2::signedByte:
    case Exiv2::invalidTypeId:
    case Exiv2::lastTypeId:
    case Exiv2::directory:
        dbgFile << "Invalid value :" << value->typeId() << " value =" << value->toString().c_str();
        return KisMetaData::Value();
    case Exiv2::undefined: {
        dbgFile << "Undefined value :" << value->typeId() << " value =" << value->toString().c_str();
        QByteArray array(value->count() , 0);
        value->copy((Exiv2::byte*)array.data(), Exiv2::invalidByteOrder);
        return KisMetaData::Value(QString(array.toBase64()));
    }
    case Exiv2::unsignedByte:
    case Exiv2::unsignedShort:
    case Exiv2::unsignedLong:
    case Exiv2::signedShort:
    case Exiv2::signedLong: {
        if (value->count() == 1 && !forceSeq) {
            return KisMetaData::Value((int)value->toLong());
        } else {
            QList<KisMetaData::Value> array;
            for (int i = 0; i < value->count(); i++)
                array.push_back(KisMetaData::Value((int)value->toLong(i)));
            return KisMetaData::Value(array, arrayType);
        }
    }
    case Exiv2::asciiString:
    case Exiv2::string:
    case Exiv2::comment: // look at kexiv2 for the problem about decoding correctly that tag
        return KisMetaData::Value(value->toString().c_str());
    case Exiv2::unsignedRational:
        if(value->size() < 2)
        {
          dbgFile << "Invalid size :" << value->size() << " value =" << value->toString().c_str();
          return KisMetaData::Value();
        }
        return KisMetaData::Value(KisMetaData::Rational(value->toRational().first , value->toRational().second));
    case Exiv2::signedRational:
        if(value->size() < 2)
        {
          dbgFile << "Invalid size :" << value->size() << " value =" << value->toString().c_str();
          return KisMetaData::Value();
        }
        return KisMetaData::Value(KisMetaData::Rational(value->toRational().first , value->toRational().second));
    case Exiv2::date:
    case Exiv2::time:
        return KisMetaData::Value(QDateTime::fromString(value->toString().c_str(), Qt::ISODate));
    case Exiv2::xmpText:
    case Exiv2::xmpAlt:
    case Exiv2::xmpBag:
    case Exiv2::xmpSeq:
    case Exiv2::langAlt:
    default: {
        dbgFile << "Unknown type id :" << value->typeId() << " value =" << value->toString().c_str();
        //Q_ASSERT(false); // This point must never be reached !
        return KisMetaData::Value();
    }
    }
    dbgFile << "Unknown type id :" << value->typeId() << " value =" << value->toString().c_str();
    //Q_ASSERT(false); // This point must never be reached !
    return KisMetaData::Value();
}

bool KisXMPIO::loadFrom(KisMetaData::Store* store, QIODevice* ioDevice) const
{
    ioDevice->open(QIODevice::ReadOnly);
    dbgFile << "Load XMP Data";
    std::string xmpPacket_;
    QByteArray arr = ioDevice->readAll();
    xmpPacket_.assign(arr.data(), arr.length());
    dbgFile << xmpPacket_.length();
//     dbgFile << xmpPacket_.c_str();
    Exiv2::XmpData xmpData_;
    Exiv2::XmpParser::decode(xmpData_, xmpPacket_);
    QMap< const KisMetaData::Schema*, QMap<QString, QMap<QString, KisMetaData::Value> > > structures;
    QMap< const KisMetaData::Schema*, QMap<QString, QVector< QMap<QString, KisMetaData::Value> > > > arraysOfStructures;
    for (Exiv2::XmpData::iterator it = xmpData_.begin(); it != xmpData_.end(); ++it) {
        dbgFile << it->key().c_str();
        Exiv2::XmpKey key(it->key());
        dbgFile << key.groupName().c_str() << " " << key.tagName().c_str() << " " << key.ns().c_str();
        if ((key.groupName() == "exif" || key.groupName() == "tiff") && key.tagName() == "NativeDigest") {  // TODO: someone who has time to lose can look in adding support for NativeDigest, it's undocumented use by the XMP SDK to check if exif data has been changed while XMP hasn't been updated
            dbgFile << "dropped";
        } else {
            const KisMetaData::Schema* schema = KisMetaData::SchemaRegistry::instance()->schemaFromPrefix(key.groupName().c_str());
            if (!schema) {
                schema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(key.ns().c_str());
                if (!schema) {
                    schema = KisMetaData::SchemaRegistry::instance()->create(key.ns().c_str(), key.groupName().c_str());
                    Q_ASSERT(schema);
                }
            }
            const Exiv2::Value::AutoPtr value = it->getValue();
            // Decrypt key
            QString structName = "";
            QString tagName = key.tagName().c_str();
            int arrayIndex = -1;
            const KisMetaData::TypeInfo* typeInfo = 0;
            bool isStructureEntry = false;
            bool isStructureInArrayEntry = false;
            if (tagName.contains("/")) {
                QRegExp regexp("([A-Za-z]\\w+)/([A-Za-z]\\w+):([A-Za-z]\\w+)");
                if (regexp.indexIn(tagName) != -1) {
                    structName = regexp.capturedTexts()[1];
                    tagName =  regexp.capturedTexts()[3];
                    typeInfo = schema->propertyType(structName);
                    Q_ASSERT(typeInfo == schema->propertyType(structName));
                    if (typeInfo && typeInfo->propertyType() == KisMetaData::TypeInfo::StructureType) {
                        typeInfo = typeInfo->structureSchema()->propertyType(tagName);
                    }
                    isStructureEntry = true;
                } else {
                    QRegExp regexp2("([A-Za-z]\\w+)\\[(\\d+)\\]/([A-Za-z]\\w+):([A-Za-z]\\w+)");
                    if (regexp2.indexIn(tagName) != -1) {
                        dbgFile << ppVar(tagName);
                        structName = regexp2.capturedTexts()[1];
                        arrayIndex = regexp2.capturedTexts()[2].toInt() - 1;
                        tagName = regexp2.capturedTexts()[4];
                        dbgFile << ppVar(structName) << ppVar(regexp2.capturedTexts()[3]);
                        //Q_ASSERT(schema->propertyType(structName));
                        if (schema->propertyType(structName)) {
                            typeInfo = schema->propertyType(structName)->embeddedPropertyType();
                            Q_ASSERT(typeInfo);
                            if (typeInfo && typeInfo->propertyType() == KisMetaData::TypeInfo::StructureType) {
                                typeInfo = typeInfo->structureSchema()->propertyType(tagName);
                            }
                        }
                        isStructureInArrayEntry = true;
                    } else {
                        dbgFile << "Decoding structure name/entry failed: " << tagName;
                    }
                }
            } else {
                typeInfo = schema->propertyType(tagName);
            }
            KisMetaData::Value v;

            bool ignoreValue = false;
            // Compute the value
            if (value->typeId() == Exiv2::xmpBag
                    || value->typeId() == Exiv2::xmpSeq
                    || value->typeId() == Exiv2::xmpAlt) {
                const KisMetaData::TypeInfo* embeddedTypeInfo = 0;
                if (typeInfo) {
                    embeddedTypeInfo = typeInfo->embeddedPropertyType();
                }
                const KisMetaData::Parser* parser = 0;
                if (embeddedTypeInfo) {
                    parser = embeddedTypeInfo->parser();
                }
                const Exiv2::XmpArrayValue* xav = dynamic_cast<const Exiv2::XmpArrayValue*>(value.get());
                Q_ASSERT(xav);
                QList<KisMetaData::Value> array;
                for (std::vector< std::string >::const_iterator it = xav->value_.begin();
                        it != xav->value_.end(); ++it) {
                    QString value = it->c_str();
                    if (parser) {
                        array.push_back(parser->parse(value));
                    } else {
                        dbgImage << "No parser " << tagName;
                        array.push_back(KisMetaData::Value(value));
                    }
                }
                KisMetaData::Value::ValueType vt = KisMetaData::Value::Invalid;
//.........这里部分代码省略.........