/* This file is part of Ingen.
 * Copyright (C) 2009 Dave Robillard <http://drobilla.net>
 *
 * Ingen 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.
 *
 * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef STRINGBUFFER_H
#define STRINGBUFFER_H

#include "string-port.lv2/string-port.h"
#include "interface/DataType.hpp"
#include "Buffer.hpp"

namespace Ingen {


class StringBuffer : public Buffer {
public:
	StringBuffer(size_t capacity);

	void clear();

	void*       raw_data()       { return (void*)&_buf; }
	const void* raw_data() const { return (void*)&_buf; }

	char*       data()       { return _buf->data; }
	const char* data() const { return _buf->data; }

	void prepare_read(FrameTime start, SampleCount nframes);
	void prepare_write(FrameTime start, SampleCount nframes);

	bool join(Buffer* buf);
	void unjoin();

	void copy(const Buffer* src, size_t start_sample, size_t end_sample);

	void resize(size_t size);

private:
	LV2_String_Data* _buf;          ///< Contents (_local_buf or belongs to _joined_buf)
	LV2_String_Data  _local_buf;    ///< Local contents
	uint32_t         _this_nframes; ///< Current cycle nframes
};


} // namespace Ingen

#endif // STRINGBUFFER_H