Exemple #1
0
void QExiv2::xmpEraseRegions()
{
	try {
		Exiv2::XmpData &md = d->xmpMetadata;
		Exiv2::XmpData::iterator it = md.begin();
		while (it != md.end()) {
			if (it->key().compare(0, 18, "Xmp.mwg-rs.Regions") == 0) {
				//qDebug() << "[ERASE]" << it->key().c_str();
				it = md.erase(it);
			} else {
				++it;
			}
		}
    } catch (Exiv2::Error &e) {
        d->error(QString("%1 Cannot Erase Xmp tag ").arg(__func__), e);
	}
}
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;
                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;
                }
            }
        }
    }

    for (QMap< const KisMetaData::Schema*, QMap<QString, QMap<QString, KisMetaData::Value>  > >::iterator it = structures.begin();
            it != structures.end(); ++it) {
        const KisMetaData::Schema* schema = it.key();
        for (QMap<QString, QMap<QString, KisMetaData::Value> >::iterator it2 = it.value().begin();
                it2 != it.value().end(); ++it2) {
            store->addEntry(KisMetaData::Entry(schema, it2.key(), KisMetaData::Value(it2.value())));
        }
    }
    for (QMap< const KisMetaData::Schema*, QMap<QString, QVector< QMap<QString, KisMetaData::Value> > > >::iterator it = arraysOfStructures.begin(); it != arraysOfStructures.end(); ++it) {
        const KisMetaData::Schema* schema = it.key();
        for (QMap<QString, QVector<QMap<QString, KisMetaData::Value> > >::iterator it2 = it.value().begin();
                it2 != it.value().end(); ++it2) {
            KisMetaData::Value::ValueType type = KisMetaData::Value::OrderedArray;
            QString entryName = it2.key();
            if (schema->propertyType(entryName)) {
                switch (schema->propertyType(entryName)->propertyType()) {
                case KisMetaData::TypeInfo::OrderedArrayType:
                    type = KisMetaData::Value::OrderedArray;
                    break;
                case KisMetaData::TypeInfo::UnorderedArrayType:
                    type = KisMetaData::Value::OrderedArray;
                    break;
                case KisMetaData::TypeInfo::AlternativeArrayType:
                    type = KisMetaData::Value::AlternativeArray;
                    break;
                default:
                    type = KisMetaData::Value::Invalid;
                    break;
                }
            } else if (store->containsEntry(schema, entryName)) {
                KisMetaData::Value value = store->getEntry(schema, entryName).value();
                if (value.isArray()) {
                    type = value.type();
                }
            }
            store->removeEntry(schema, entryName);
            if (type != KisMetaData::Value::Invalid) {
                QList< KisMetaData::Value > valueList;
                for (int i = 0; i < it2.value().size(); ++i) {
                    valueList.append(it2.value()[i]);
                }
                store->addEntry(KisMetaData::Entry(schema, entryName, KisMetaData::Value(valueList, type)));
            }
        }
    }

    return true;
}