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++ // Copyright (C) 2024 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "qfileutil_p.h"
++ #include <QtCore/qfile.h>
++ #include <QtCore/qdiriterator.h>
++ #include <QtCore/qfileinfo.h>
++ #include <QtCore/qstring.h>
++
++ QT_BEGIN_NAMESPACE
++
++ using namespace Qt::Literals;
++
++ bool copyAllFiles(const QDir &source, const QDir &dest)
++ {
++ if (!source.exists() || !dest.exists())
++ return false;
++
++ QDirIterator it(source, QDirIterator::Subdirectories);
++ bool success = true;
++ while (it.hasNext()) {
++ QFileInfo file{ it.next() };
++ const QString relativePath = source.relativeFilePath(file.absoluteFilePath());
++ const QString destination = dest.absolutePath() + u"/"_s + relativePath;
++
++ if (file.isFile()) {
++ if (QFile::exists(destination))
++ if (!QFile::remove(destination))
++ success = false;
++
++ if (!QFile::copy(file.absoluteFilePath(), destination))
++ success = false;
++
++ } else if (file.isDir()) {
++ if (!QDir(destination).exists())
++ if (!dest.mkpath(relativePath))
++ success = false;
++ }
++ }
++
++ return success;
++ }
++
++ std::unique_ptr<QTemporaryFile> copyResourceToTemporaryFile(const QUrl &resource,
++ const QString &fileTemplate)
++ {
++ QString resourcePath;
++ if (resource.scheme() == "qrc"_L1)
++ resourcePath = u':' + resource.path();
++ else if (resource.isLocalFile())
++ resourcePath = resource.toLocalFile();
++ else
++ return nullptr;
++
++ QFile resourceFile(resourcePath);
++ if (!resourceFile.open(QIODeviceBase::ReadOnly))
++ return nullptr;
++
++ auto temporaryFile = std::make_unique<QTemporaryFile>(fileTemplate);
++ if (!temporaryFile->open())
++ return nullptr;
++
++ if (temporaryFile->write(resourceFile.readAll()) < 0)
++ return nullptr;
++
++ temporaryFile->close();
++ return temporaryFile;
++ }
++
++ QT_END_NAMESPACE