1 files changed, 26 insertions, 3 deletions
diff --git a/api/logic/MMCZip.h b/api/logic/MMCZip.h
index 85ac7802..98d9cd5b 100644
--- a/api/logic/MMCZip.h
+++ b/api/logic/MMCZip.h
@@ -1,4 +1,4 @@
-/* Copyright 2013-2019 MultiMC Contributors
+/* Copyright 2013-2021 MultiMC Contributors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,6 +24,7 @@
 #include "multimc_logic_export.h"
 
 #include <JlCompress.h>
+#include <nonstd/optional>
 
 namespace MMCZip
 {
@@ -57,7 +58,9 @@ namespace MMCZip
     /**
      * Extract a subdirectory from an archive
      */
-    QStringList MULTIMC_LOGIC_EXPORT extractSubDir(QuaZip *zip, const QString & subdir, const QString &target);
+    nonstd::optional<QStringList> MULTIMC_LOGIC_EXPORT extractSubDir(QuaZip *zip, const QString & subdir, const QString &target);
+
+    bool MULTIMC_LOGIC_EXPORT extractRelFile(QuaZip *zip, const QString & file, const QString &target);
 
     /**
      * Extract a whole archive.
@@ -66,6 +69,26 @@ namespace MMCZip
      * \param dir The directory to extract to, the current directory if left empty.
      * \return The list of the full paths of the files extracted, empty on failure.
      */
-    QStringList MULTIMC_LOGIC_EXPORT extractDir(QString fileCompressed, QString dir);
+    nonstd::optional<QStringList> MULTIMC_LOGIC_EXPORT extractDir(QString fileCompressed, QString dir);
+
+    /**
+     * Extract a subdirectory from an archive
+     *
+     * \param fileCompressed The name of the archive.
+     * \param subdir The directory within the archive to extract
+     * \param dir The directory to extract to, the current directory if left empty.
+     * \return The list of the full paths of the files extracted, empty on failure.
+     */
+    nonstd::optional<QStringList> MULTIMC_LOGIC_EXPORT extractDir(QString fileCompressed, QString subdir, QString dir);
+
+    /**
+     * Extract a single file from an archive into a directory
+     *
+     * \param fileCompressed The name of the archive.
+     * \param file The file within the archive to extract
+     * \param dir The directory to extract to, the current directory if left empty.
+     * \return true for success or false for failure
+     */
+    bool MULTIMC_LOGIC_EXPORT extractFile(QString fileCompressed, QString file, QString dir);
 
 }