C++ QVariantHash::constBegin方法代码示例

QByteArray ViewJson::render(Context *c) const
{
    Q_D(const ViewJson);

    QByteArray ret;
    QJsonObject obj;

    const QVariantHash stash = c->stash();

    switch (d->exposeMode) {
    case All:
        obj = QJsonObject::fromVariantHash(stash);
        break;
    case String:
    {
        auto it = stash.constFind(d->exposeKey);
        if (it != stash.constEnd()) {
            obj.insert(d->exposeKey, QJsonValue::fromVariant(it.value()));
        }
        break;
    }
    case StringList:
    {
        QVariantHash exposedStash;

        auto it = stash.constBegin();
        while (it != stash.constEnd()) {
            const QString key = it.key();
            if (d->exposeKeys.contains(key)) {
                exposedStash.insertMulti(it.key(), it.value());
            }
            ++it;
        }
        obj = QJsonObject::fromVariantHash(exposedStash);
        break;
    }
    case RegularExpression:
    {
        QVariantHash exposedStash;
        QRegularExpression re = d->exposeRE; // thread safety

        auto it = stash.constBegin();
        while (it != stash.constEnd()) {
            const QString key = it.key();
            if (re.match(key).hasMatch()) {
                exposedStash.insertMulti(key, it.value());
            }
            ++it;
        }
        obj = QJsonObject::fromVariantHash(exposedStash);
        break;
    }
    }

    c->response()->setContentType(QStringLiteral("application/json"));

    ret = QJsonDocument(obj).toJson(d->format);
    return ret;
}

QByteArray FSTReader::writeMapping(const QVariantHash& mapping) {
    static const QStringList PREFERED_ORDER = QStringList() << NAME_FIELD << TYPE_FIELD << SCALE_FIELD << FILENAME_FIELD
    << TEXDIR_FIELD << JOINT_FIELD << FREE_JOINT_FIELD
    << BLENDSHAPE_FIELD << JOINT_INDEX_FIELD;
    QBuffer buffer;
    buffer.open(QIODevice::WriteOnly);
    
    for (auto key : PREFERED_ORDER) {
        auto it = mapping.find(key);
        if (it != mapping.constEnd()) {
            if (key == FREE_JOINT_FIELD) { // writeVariant does not handle strings added using insertMulti.
                for (auto multi : mapping.values(key)) {
                    buffer.write(key.toUtf8());
                    buffer.write(" = ");
                    buffer.write(multi.toByteArray());
                    buffer.write("\n");
                }
            } else {
                writeVariant(buffer, it);
            }
        }
    }
    
    for (auto it = mapping.constBegin(); it != mapping.constEnd(); it++) {
        if (!PREFERED_ORDER.contains(it.key())) {
            writeVariant(buffer, it);
        }
    }
    return buffer.data();
}

static QString
variantHashToString( const QVariantHash& variantHash )
{
    QStringList result;
    for ( auto it = variantHash.constBegin(); it != variantHash.constEnd(); ++it )
        result.append( it.key() + '=' + variantToString( it.value() ) );
    return '<' + result.join(',') + '>';
}

/*!
    Converts the variant hash \a hash to a QJsonObject.
    \since 5.5

    The keys in \a hash will be used as the keys in the JSON object,
    and the QVariant values will be converted to JSON values.

    \sa fromVariantMap(), toVariantHash(), QJsonValue::fromVariant()
 */
QJsonObject QJsonObject::fromVariantHash(const QVariantHash &hash)
{
    // ### this is implemented the trivial way, not the most efficient way

    QJsonObject object;
    for (QVariantHash::const_iterator it = hash.constBegin(); it != hash.constEnd(); ++it)
        object.insert(it.key(), QJsonValue::fromVariant(it.value()));
    return object;
}

void ClearSilverPrivate::serializeHash(HDF *hdf, const QVariantHash &hash, const QString &prefix) const
{
    QString _prefix;
    if (!prefix.isEmpty()) {
        _prefix = prefix + QLatin1Char('.');
    }

    auto it = hash.constBegin();
    while (it != hash.constEnd()) {
        serializeVariant(hdf, it.value(), _prefix + it.key());
        ++it;
    }
}

QByteArray FSTReader::writeMapping(const QVariantHash& mapping) {
    static const QStringList PREFERED_ORDER = QStringList() << NAME_FIELD << TYPE_FIELD << SCALE_FIELD << FILENAME_FIELD
    << TEXDIR_FIELD << JOINT_FIELD << FREE_JOINT_FIELD
    << BLENDSHAPE_FIELD << JOINT_INDEX_FIELD;
    QBuffer buffer;
    buffer.open(QIODevice::WriteOnly);
    
    for (auto key : PREFERED_ORDER) {
        auto it = mapping.find(key);
        if (it != mapping.constEnd()) {
            writeVariant(buffer, it);
        }
    }
    
    for (auto it = mapping.constBegin(); it != mapping.constEnd(); it++) {
        if (!PREFERED_ORDER.contains(it.key())) {
            writeVariant(buffer, it);
        }
    }
    return buffer.data();
}

void FSTReader::writeVariant(QBuffer& buffer, QVariantHash::const_iterator& it) {
    QByteArray key = it.key().toUtf8() + " = ";
    QVariantHash hashValue = it.value().toHash();
    if (hashValue.isEmpty()) {
        buffer.write(key + it.value().toByteArray() + "\n");
        return;
    }
    for (QVariantHash::const_iterator second = hashValue.constBegin(); second != hashValue.constEnd(); second++) {
        QByteArray extendedKey = key + second.key().toUtf8();
        QVariantList listValue = second.value().toList();
        if (listValue.isEmpty()) {
            buffer.write(extendedKey + " = " + second.value().toByteArray() + "\n");
            continue;
        }
        buffer.write(extendedKey);
        for (QVariantList::const_iterator third = listValue.constBegin(); third != listValue.constEnd(); third++) {
            buffer.write(" = " + third->toByteArray());
        }
        buffer.write("\n");
    }
}

bool ModelPackager::zipModel() {
    QTemporaryDir dir;
    dir.setAutoRemove(true);
    QDir tempDir(dir.path());
    
    QByteArray nameField = _mapping.value(NAME_FIELD).toByteArray();
    tempDir.mkpath(nameField + "/textures");
    tempDir.mkpath(nameField + "/scripts");
    QDir fbxDir(tempDir.path() + "/" + nameField);
    QDir texDir(fbxDir.path() + "/textures");
    QDir scriptDir(fbxDir.path() + "/scripts");

    // Copy textures
    listTextures();
    if (!_textures.empty()) {
        QByteArray texdirField = _mapping.value(TEXDIR_FIELD).toByteArray();
        _texDir = _modelFile.path() + "/" + texdirField;
        copyTextures(_texDir, texDir);
    }

    // Copy scripts
    QByteArray scriptField = _mapping.value(SCRIPT_FIELD).toByteArray();
    _mapping.remove(SCRIPT_FIELD);
    if (scriptField.size() > 1) {
        tempDir.mkpath(nameField + "/scripts");
        _scriptDir = _modelFile.path() + "/" + scriptField;
        QDir wdir = QDir(_scriptDir);
        _mapping.remove(SCRIPT_FIELD);
        wdir.setSorting(QDir::Name | QDir::Reversed);
        auto list = wdir.entryList(QDir::NoDotAndDotDot | QDir::AllEntries);
        for (auto script : list) {
            auto sc = tempDir.relativeFilePath(scriptDir.path()) + "/" + QUrl(script).fileName();
            _mapping.insertMulti(SCRIPT_FIELD, sc);
        }
        copyDirectoryContent(wdir, scriptDir);
    } 
    
    // Copy LODs
    QVariantHash lodField = _mapping.value(LOD_FIELD).toHash();
    if (!lodField.empty()) {
        for (auto it = lodField.constBegin(); it != lodField.constEnd(); ++it) {
            QString oldPath = _modelFile.path() + "/" + it.key();
            QFile lod(oldPath);
            QString newPath = fbxDir.path() + "/" + QFileInfo(lod).fileName();
            if (lod.exists()) {
                lod.copy(newPath);
            }
        }
    }
    
    // Copy FBX
    QFile fbx(_fbxInfo.filePath());
    QByteArray filenameField = _mapping.value(FILENAME_FIELD).toByteArray();
    QString newPath = fbxDir.path() + "/" + QFileInfo(filenameField).fileName();
    fbx.copy(newPath);
    
    // Correct FST
    _mapping[FILENAME_FIELD] = tempDir.relativeFilePath(newPath);
    _mapping[TEXDIR_FIELD] = tempDir.relativeFilePath(texDir.path());

    for (auto multi : _mapping.values(SCRIPT_FIELD)) {
        multi.fromValue(tempDir.relativeFilePath(scriptDir.path()) + multi.toString());
    }
    // Copy FST
    QFile fst(tempDir.path() + "/" + nameField + ".fst");
    if (fst.open(QIODevice::WriteOnly)) {
        fst.write(FSTReader::writeMapping(_mapping));
        fst.close();
    } else {
        qCDebug(interfaceapp) << "Couldn't write FST file" << fst.fileName();
        return false;
    }
    
    
    QString saveDirPath = QFileDialog::getExistingDirectory(nullptr, "Save Model",
                                                        "", QFileDialog::ShowDirsOnly);
    if (saveDirPath.isEmpty()) {
        qCDebug(interfaceapp) << "Invalid directory" << saveDirPath;
        return false;
    }
    
    QDir saveDir(saveDirPath);
    copyDirectoryContent(tempDir, saveDir);
    return true;
}

void WelcomeMode::onThemeChanged()
{
    const QVariantHash creatorTheme = Utils::creatorTheme()->values();
    for (auto it = creatorTheme.constBegin(); it != creatorTheme.constEnd(); ++it)
        m_themeProperties.insert(it.key(), it.value());
}

bool ModelPackager::zipModel() {
    QTemporaryDir dir;
    dir.setAutoRemove(true);
    QDir tempDir(dir.path());
    
    QByteArray nameField = _mapping.value(NAME_FIELD).toByteArray();
    tempDir.mkpath(nameField + "/textures");
    QDir fbxDir(tempDir.path() + "/" + nameField);
    QDir texDir(fbxDir.path() + "/textures");
    
    // Copy textures
    listTextures();
    if (!_textures.empty()) {
        QByteArray texdirField = _mapping.value(TEXDIR_FIELD).toByteArray();
        _texDir = _modelFile.path() + "/" + texdirField;
        copyTextures(_texDir, texDir);
    }
    
    // Copy LODs
    QVariantHash lodField = _mapping.value(LOD_FIELD).toHash();
    if (!lodField.empty()) {
        for (auto it = lodField.constBegin(); it != lodField.constEnd(); ++it) {
            QString oldPath = _modelFile.path() + "/" + it.key();
            QFile lod(oldPath);
            QString newPath = fbxDir.path() + "/" + QFileInfo(lod).fileName();
            if (lod.exists()) {
                lod.copy(newPath);
            }
        }
    }
    
    // Copy FBX
    QFile fbx(_fbxInfo.filePath());
    QByteArray filenameField = _mapping.value(FILENAME_FIELD).toByteArray();
    QString newPath = fbxDir.path() + "/" + QFileInfo(filenameField).fileName();
    fbx.copy(newPath);
    
    // Correct FST
    _mapping[FILENAME_FIELD] = tempDir.relativeFilePath(newPath);
    _mapping[TEXDIR_FIELD] = tempDir.relativeFilePath(texDir.path());
    
    // Copy FST
    QFile fst(tempDir.path() + "/" + nameField + ".fst");
    if (fst.open(QIODevice::WriteOnly)) {
        fst.write(FSTReader::writeMapping(_mapping));
        fst.close();
    } else {
        qCDebug(interfaceapp) << "Couldn't write FST file" << fst.fileName();
        return false;
    }
    
    
    QString saveDirPath = QFileDialog::getExistingDirectory(nullptr, "Save Model",
                                                        "", QFileDialog::ShowDirsOnly);
    if (saveDirPath.isEmpty()) {
        qCDebug(interfaceapp) << "Invalid directory" << saveDirPath;
        return false;
    }
    
    QDir saveDir(saveDirPath);
    copyDirectoryContent(tempDir, saveDir);
    return true;
}

//.........这里部分代码省略.........
            QVariantList *ql = reinterpret_cast<QVariantList *>(cpp);

            py = PyList_New(ql->size());

            if (py)
            {
                for (int i = 0; i < ql->size(); ++i)
                {
                    PyObject *val_obj = toAnyPyObject(ql->at(i));

                    if (!val_obj)
                    {
                        Py_DECREF(py);
                        py = 0;

                        break;
                    }

                    PyList_SET_ITEM(py, i, val_obj);
                }
            }

            break;
        }

    case QMetaType::QVariantMap:
        {
            py = PyDict_New();

            if (py)
            {
                QVariantMap *qm = reinterpret_cast<QVariantMap *>(cpp);

                for (QVariantMap::const_iterator it = qm->constBegin(); it != qm->constEnd(); ++it)
                    if (!add_variant_to_dict(py, it.key(), it.value()))
                    {
                        Py_DECREF(py);
                        py = 0;

                        break;
                    }
            }

            break;
        }

#if QT_VERSION >= 0x040500
    case QMetaType::QVariantHash:
        {
            py = PyDict_New();

            if (py)
            {
                QVariantHash *qh = reinterpret_cast<QVariantHash *>(cpp);

                for (QVariantHash::const_iterator it = qh->constBegin(); it != qh->constEnd(); ++it)
                    if (!add_variant_to_dict(py, it.key(), it.value()))
                    {
                        Py_DECREF(py);
                        py = 0;

                        break;
                    }
            }

            break;