1 files changed, 51 insertions, 0 deletions
diff --git a/src/fs/io/AutoGunzipReader.hxx b/src/fs/io/AutoGunzipReader.hxx
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+++ b/src/fs/io/AutoGunzipReader.hxx
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+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_AUTO_GUNZIP_READER_HXX
+#define MPD_AUTO_GUNZIP_READER_HXX
+
+#include "check.h"
+#include "PeekReader.hxx"
+
+#include <stdint.h>
+
+class GunzipReader;
+
+/**
+ * A filter that detects gzip compression and optionally inserts a
+ * #GunzipReader.
+ */
+class AutoGunzipReader final : public Reader {
+	Reader *next;
+	PeekReader peek;
+	GunzipReader *gunzip;
+
+public:
+	AutoGunzipReader(Reader &_next)
+		:next(nullptr), peek(_next), gunzip(nullptr) {}
+	~AutoGunzipReader();
+
+	/* virtual methods from class Reader */
+	virtual size_t Read(void *data, size_t size, Error &error) override;
+
+private:
+	bool Detect(Error &error);
+};
+
+#endif