fix: bring back instance exports

launcher/MMCZip.h

@@ -90,4 +90,22 @@ namespace MMCZip
      */
     bool extractFile(QString fileCompressed, QString file, QString dir);
 
+    /**
+     * Populate a QFileInfoList with a directory tree recursively, while allowing to excludeFilter what shouldn't be included.
+     * \param rootDir directory to start off
+     * \param subDir subdirectory, should be nullptr for first invocation
+     * \param files resulting list of QFileInfo
+     * \param excludeFilter function to excludeFilter which files shouldn't be included (returning true means to excude)
+     * \return true for success or false for failure
+     */
+    bool collectFileListRecursively(const QString &rootDir, const QString &subDir, QFileInfoList *files, FilterFunction excludeFilter);
+
+    /**
+     * Compress directory, by providing a list of files to compress
+     * \param fileCompressed target archive file
+     * \param dir directory that will be compressed (to compress with relative paths)
+     * \param files list of files to compress
+     * \return true for success or false for failure
+     */
+    bool compressDirFiles(QString fileCompressed, QString dir, QFileInfoList files);
 }