[qt_common] reorg + checkstate abstraction (#2735)

no diff. in functionality, just confirm builds on ubuntu 24.04/debian 12

Signed-off-by: crueter <crueter@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2735

1 files changed, 354 insertions, 0 deletions

diff --git a/src/qt_common/util/compress.cpp b/src/qt_common/util/compress.cpp
new file mode 100644
index 0000000000..323b888faa
--- /dev/null
+++ b/src/qt_common/util/compress.cpp
@@ -0,0 +1,354 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "compress.h"
+#include "quazipfileinfo.h"
+
+#include <QDirIterator>
+
+/** This is a modified version of JlCompress **/
+namespace QtCommon::Compress {
+
+bool compressDir(QString fileCompressed,
+                 QString dir,
+                 const JlCompress::Options &options,
+                 QtCommon::QtProgressCallback callback)
+{
+    // Create zip
+    QuaZip zip(fileCompressed);
+    QDir().mkpath(QFileInfo(fileCompressed).absolutePath());
+    if (!zip.open(QuaZip::mdCreate)) {
+        QFile::remove(fileCompressed);
+        return false;
+    }
+
+    // See how big the overall fs structure is
+    // good approx. of total progress
+    // TODO(crueter): QDirListing impl... or fs::recursive_dir_iterator
+    QDirIterator iter(dir,
+                      QDir::NoDotAndDotDot | QDir::Hidden | QDir::Files,
+                      QDirIterator::Subdirectories);
+
+    std::size_t total = 0;
+    while (iter.hasNext()) {
+        total += iter.nextFileInfo().size();
+    }
+
+    std::size_t progress = 0;
+    callback(total, progress);
+
+    // Add the files and subdirectories
+    if (!compressSubDir(&zip, dir, dir, options, total, progress, callback)) {
+        QFile::remove(fileCompressed);
+        return false;
+    }
+
+    // Close zip
+    zip.close();
+    if (zip.getZipError() != 0) {
+        QFile::remove(fileCompressed);
+        return false;
+    }
+
+    return true;
+}
+
+bool compressSubDir(QuaZip *zip,
+                    QString dir,
+                    QString origDir,
+                    const JlCompress::Options &options,
+                    std::size_t total,
+                    std::size_t &progress,
+                    QtProgressCallback callback)
+{
+    // zip: object where to add the file
+    // dir: current real directory
+    // origDir: original real directory
+    // (path(dir)-path(origDir)) = path inside the zip object
+
+    if (!zip)
+        return false;
+    if (zip->getMode() != QuaZip::mdCreate && zip->getMode() != QuaZip::mdAppend
+        && zip->getMode() != QuaZip::mdAdd)
+        return false;
+
+    QDir directory(dir);
+    if (!directory.exists())
+        return false;
+
+
+    QDir origDirectory(origDir);
+    if (dir != origDir) {
+        QuaZipFile dirZipFile(zip);
+        std::unique_ptr<QuaZipNewInfo> qzni;
+        if (options.getDateTime().isNull()) {
+            qzni = std::make_unique<QuaZipNewInfo>(origDirectory.relativeFilePath(dir)
+                                                       + QLatin1String("/"),
+                                                   dir);
+        } else {
+            qzni = std::make_unique<QuaZipNewInfo>(origDirectory.relativeFilePath(dir)
+                                                       + QLatin1String("/"),
+                                                   dir,
+                                                   options.getDateTime());
+        }
+        if (!dirZipFile.open(QIODevice::WriteOnly, *qzni, nullptr, 0, 0)) {
+            return false;
+        }
+        dirZipFile.close();
+    }
+
+    // For each subfolder
+    QFileInfoList subfiles = directory.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot
+                                                     | QDir::Hidden | QDir::Dirs);
+    for (const auto &file : std::as_const(subfiles)) {
+        if (!compressSubDir(
+                zip, file.absoluteFilePath(), origDir, options, total, progress, callback)) {
+            return false;
+        }
+    }
+
+    // For each file in directory
+    QFileInfoList files = directory.entryInfoList(QDir::Hidden | QDir::Files);
+    for (const auto &file : std::as_const(files)) {
+        // If it's not a file or it's the compressed file being created
+        if (!file.isFile() || file.absoluteFilePath() == zip->getZipName())
+            continue;
+
+        // Create relative name for the compressed file
+        QString filename = origDirectory.relativeFilePath(file.absoluteFilePath());
+
+        // Compress the file
+        if (!compressFile(zip, file.absoluteFilePath(), filename, options, total, progress, callback)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool compressFile(QuaZip *zip,
+                  QString fileName,
+                  QString fileDest,
+                  const JlCompress::Options &options,
+                  std::size_t total,
+                  std::size_t &progress,
+                  QtCommon::QtProgressCallback callback)
+{
+    // zip: object where to add the file
+    // fileName: real file name
+    // fileDest: file name inside the zip object
+
+    if (!zip)
+        return false;
+    if (zip->getMode() != QuaZip::mdCreate && zip->getMode() != QuaZip::mdAppend
+        && zip->getMode() != QuaZip::mdAdd)
+        return false;
+
+    QuaZipFile outFile(zip);
+    if (options.getDateTime().isNull()) {
+        if (!outFile.open(QIODevice::WriteOnly,
+                          QuaZipNewInfo(fileDest, fileName),
+                          nullptr,
+                          0,
+                          options.getCompressionMethod(),
+                          options.getCompressionLevel()))
+            return false;
+    } else {
+        if (!outFile.open(QIODevice::WriteOnly,
+                          QuaZipNewInfo(fileDest, fileName, options.getDateTime()),
+                          nullptr,
+                          0,
+                          options.getCompressionMethod(),
+                          options.getCompressionLevel()))
+            return false;
+    }
+
+    QFileInfo input(fileName);
+    if (quazip_is_symlink(input)) {
+        // Not sure if we should use any specialized codecs here.
+        // After all, a symlink IS just a byte array. And
+        // this is mostly for Linux, where UTF-8 is ubiquitous these days.
+        QString path = quazip_symlink_target(input);
+        QString relativePath = input.dir().relativeFilePath(path);
+        outFile.write(QFile::encodeName(relativePath));
+    } else {
+        QFile inFile;
+        inFile.setFileName(fileName);
+        if (!inFile.open(QIODevice::ReadOnly)) {
+            return false;
+        }
+        if (!copyData(inFile, outFile, total, progress, callback) || outFile.getZipError() != UNZ_OK) {
+            return false;
+        }
+        inFile.close();
+    }
+
+    outFile.close();
+    return outFile.getZipError() == UNZ_OK;
+}
+
+bool copyData(QIODevice &inFile,
+              QIODevice &outFile,
+              std::size_t total,
+              std::size_t &progress,
+              QtProgressCallback callback)
+{
+    while (!inFile.atEnd()) {
+        char buf[4096];
+        qint64 readLen = inFile.read(buf, 4096);
+        if (readLen <= 0)
+            return false;
+        if (outFile.write(buf, readLen) != readLen)
+            return false;
+
+        progress += readLen;
+        if (!callback(total, progress)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+QStringList extractDir(QString fileCompressed, QString dir, QtCommon::QtProgressCallback callback)
+{
+    // Open zip
+    QuaZip zip(fileCompressed);
+    return extractDir(zip, dir, callback);
+}
+
+QStringList extractDir(QuaZip &zip, const QString &dir, QtCommon::QtProgressCallback callback)
+{
+    if (!zip.open(QuaZip::mdUnzip)) {
+        return QStringList();
+    }
+    QString cleanDir = QDir::cleanPath(dir);
+    QDir directory(cleanDir);
+    QString absCleanDir = directory.absolutePath();
+    if (!absCleanDir.endsWith(QLatin1Char('/'))) // It only ends with / if it's the FS root.
+        absCleanDir += QLatin1Char('/');
+    QStringList extracted;
+    if (!zip.goToFirstFile()) {
+        return QStringList();
+    }
+
+    std::size_t total = 0;
+    for (const QuaZipFileInfo64 &info : zip.getFileInfoList64()) {
+        total += info.uncompressedSize;
+    }
+
+    std::size_t progress = 0;
+    callback(total, progress);
+
+    do {
+        QString name = zip.getCurrentFileName();
+        QString absFilePath = directory.absoluteFilePath(name);
+        QString absCleanPath = QDir::cleanPath(absFilePath);
+        if (!absCleanPath.startsWith(absCleanDir))
+            continue;
+        if (!extractFile(&zip, QLatin1String(""), absFilePath, total, progress, callback)) {
+            removeFile(extracted);
+            return QStringList();
+        }
+        extracted.append(absFilePath);
+    } while (zip.goToNextFile());
+
+    // Close zip
+    zip.close();
+    if (zip.getZipError() != 0) {
+        removeFile(extracted);
+        return QStringList();
+    }
+
+    return extracted;
+}
+
+bool extractFile(QuaZip *zip,
+                 QString fileName,
+                 QString fileDest,
+                 std::size_t total,
+                 std::size_t &progress,
+                 QtCommon::QtProgressCallback callback)
+{
+    // zip: object where to add the file
+    // filename: real file name
+    // fileincompress: file name of the compressed file
+
+    if (!zip)
+        return false;
+    if (zip->getMode() != QuaZip::mdUnzip)
+        return false;
+
+    if (!fileName.isEmpty())
+        zip->setCurrentFile(fileName);
+    QuaZipFile inFile(zip);
+    if (!inFile.open(QIODevice::ReadOnly) || inFile.getZipError() != UNZ_OK)
+        return false;
+
+    // Check existence of resulting file
+    QDir curDir;
+    if (fileDest.endsWith(QLatin1String("/"))) {
+        if (!curDir.mkpath(fileDest)) {
+            return false;
+        }
+    } else {
+        if (!curDir.mkpath(QFileInfo(fileDest).absolutePath())) {
+            return false;
+        }
+    }
+
+    QuaZipFileInfo64 info;
+    if (!zip->getCurrentFileInfo(&info))
+        return false;
+
+    QFile::Permissions srcPerm = info.getPermissions();
+    if (fileDest.endsWith(QLatin1String("/")) && QFileInfo(fileDest).isDir()) {
+        if (srcPerm != 0) {
+            QFile(fileDest).setPermissions(srcPerm);
+        }
+        return true;
+    }
+
+    if (info.isSymbolicLink()) {
+        QString target = QFile::decodeName(inFile.readAll());
+        return QFile::link(target, fileDest);
+    }
+
+    // Open resulting file
+    QFile outFile;
+    outFile.setFileName(fileDest);
+    if (!outFile.open(QIODevice::WriteOnly))
+        return false;
+
+    // Copy data
+    if (!copyData(inFile, outFile, total, progress, callback) || inFile.getZipError() != UNZ_OK) {
+        outFile.close();
+        removeFile(QStringList(fileDest));
+        return false;
+    }
+    outFile.close();
+
+    // Close file
+    inFile.close();
+    if (inFile.getZipError() != UNZ_OK) {
+        removeFile(QStringList(fileDest));
+        return false;
+    }
+
+    if (srcPerm != 0) {
+        outFile.setPermissions(srcPerm);
+    }
+    return true;
+}
+
+bool removeFile(QStringList listFile)
+{
+    bool ret = true;
+    // For each file
+    for (int i = 0; i < listFile.count(); i++) {
+        // Remove
+        ret = ret && QFile::remove(listFile.at(i));
+    }
+    return ret;
+}
+
+} // namespace QtCommon::Compress