qfileutil.cpp - mozsearch

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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