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engines/grim/update/update.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/stream.h"
+
+#include "engines/grim/update/packfile.h"
+#include "engines/grim/update/mscab.h"
+#include "engines/grim/update/lang_filter.h"
+#include "engines/grim/update/update.h"
+#include "engines/grim/grim.h"
+
+namespace Grim {
+
+Common::Archive *loadUpdateArchive(Common::SeekableReadStream *data) {
+	Common::SeekableReadStream *updStream = new PackFile(data);
+	MsCabinet *cab = new MsCabinet(updStream);
+	LangFilter *update = new LangFilter(cab, g_grim->getGameLanguage());
+
+	Common::ArchiveMemberList list;
+	if (update->listMembers(list) == 0) {
+		delete update;
+		return nullptr;
+	} else
+		return update;
+
+}
+
+} // end of namespace Grim