SizedWriter.h

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/*
 * SPDX-FileCopyrightText: 2006-2021 Istituto Italiano di Tecnologia (IIT)
 * SPDX-FileCopyrightText: 2006-2010 RobotCub Consortium
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef YARP_OS_SIZEDWRITER_H
#define YARP_OS_SIZEDWRITER_H
 
#include <yarp/conf/numeric.h>
 
#include <yarp/os/api.h>
 
#include <yarp/os/PortWriter.h>
 
namespace yarp::os {
 
class ConnectionWriter;
class OutputStream;
class PortReader;
class Portable;
 
class YARP_os_API SizedWriter : public PortWriter
{
public:
    virtual ~SizedWriter();
 
    virtual size_t length() const = 0;
 
    virtual size_t headerLength() const = 0;
 
    virtual size_t length(size_t index) const = 0;
 
    virtual const char* data(size_t index) const = 0;
 
    virtual PortReader* getReplyHandler() = 0;
 
    virtual Portable* getReference() = 0;
 
    virtual void write(OutputStream& os);
 
    bool write(ConnectionWriter& connection) const override;
 
    virtual bool dropRequested() = 0;
 
    virtual void startWrite() const = 0;
 
    virtual void stopWrite() const = 0;
 
    virtual void clear();
};
 
} // namespace yarp::os
 
#endif // YARP_OS_SIZEDWRITER_H