C++ AutoPtr::toString方法代码示例

// 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();
}

QDateTime exivValueToDateTime(const Exiv2::Value::AutoPtr value)
{
    return QDateTime::fromString(value->toString().c_str(), Qt::ISODate);
}

//.........这里部分代码省略.........
                        array.push_back(parser->parse(value));
                    } else {
                        dbgImage << "No parser " << tagName;
                        array.push_back(KisMetaData::Value(value));
                    }
                }
                KisMetaData::Value::ValueType vt = KisMetaData::Value::Invalid;
                switch (xav->xmpArrayType()) {
                case Exiv2::XmpValue::xaNone:
                    warnKrita << "KisXMPIO: Unsupported array";
                    break;
                case Exiv2::XmpValue::xaAlt:
                    vt = KisMetaData::Value::AlternativeArray;
                    break;
                case Exiv2::XmpValue::xaBag:
                    vt = KisMetaData::Value::UnorderedArray;
                    break;
                case Exiv2::XmpValue::xaSeq:
                    vt = KisMetaData::Value::OrderedArray;
                    break;
                }
                v = KisMetaData::Value(array, vt);
            } else if (value->typeId() == Exiv2::langAlt) {
                const Exiv2::LangAltValue* xav = dynamic_cast<const Exiv2::LangAltValue*>(value.get());
                QList<KisMetaData::Value> alt;
                for (std::map< std::string, std::string>::const_iterator it = xav->value_.begin();
                        it != xav->value_.end(); ++it) {
                    KisMetaData::Value valt(it->second.c_str());
                    valt.addPropertyQualifier("xml:lang", KisMetaData::Value(it->first.c_str()));
                    alt.push_back(valt);
                }
                v = KisMetaData::Value(alt, KisMetaData::Value::LangArray);
            } else {
                QString valTxt = value->toString().c_str();
                if (typeInfo && typeInfo->parser()) {
                    v = typeInfo->parser()->parse(valTxt);
                } else {
                    dbgFile << "No parser " << tagName;
                    v = KisMetaData::Value(valTxt);
                }
                if (valTxt == "type=\"Struct\"") {
                    if (!typeInfo || typeInfo->propertyType() == KisMetaData::TypeInfo::StructureType) {
                        ignoreValue = true;
                    }
                }
            }

            // set the value
            dbgFile << ppVar(tagName);
            if (isStructureEntry) {
                structures[schema][structName][tagName] = v;
            } else if (isStructureInArrayEntry) {
                if (arraysOfStructures[schema][structName].size() <= arrayIndex) {
                    arraysOfStructures[schema][structName].resize(arrayIndex + 1);
                }
                arraysOfStructures[schema][structName][arrayIndex][tagName] = v;
            } else {
                if (!ignoreValue) {
                    store->addEntry(KisMetaData::Entry(schema, tagName, v));
                } else {
                    dbgFile << "Ignoring value for " << tagName << " " << v;
                }
            }
        }
    }