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backends/fs/n64/romfsstream.h

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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/>.
+ *
+ */
+
+#ifndef BACKENDS_FS_ROMFSSTREAM_H
+#define BACKENDS_FS_ROMFSSTREAM_H
+
+#include "common/scummsys.h"
+#include "common/noncopyable.h"
+#include "common/stream.h"
+#include "common/str.h"
+
+class RomfsStream final : public Common::SeekableReadStream, public Common::SeekableWriteStream, public Common::NonCopyable {
+protected:
+	/** File handle to the actual file. */
+	void *_handle;
+
+public:
+	/**
+	 * Given a path, invokes fopen on that path and wrap the result in a
+	 * RomfsStream instance.
+	 */
+	static RomfsStream *makeFromPath(const Common::String &path, bool writeMode);
+
+	RomfsStream(void *handle);
+	~RomfsStream() override;
+
+	bool err() const override;
+	void clearErr() override;
+	bool eos() const override;
+
+	uint32 write(const void *dataPtr, uint32 dataSize) override;
+	bool flush() override;
+
+	int64 pos() const override;
+	int64 size() const override;
+	bool seek(int64 offs, int whence = SEEK_SET) override;
+	uint32 read(void *dataPtr, uint32 dataSize) override;
+};
+
+#endif