OutputStream.h

// SPDX-FileCopyrightText: 2007 Dominik Seichter <domseichter@web.de>
// SPDX-FileCopyrightText: 2020 Francesco Pretto <ceztko@gmail.com>
// SPDX-License-Identifier: LGPL-2.0-or-later OR MPL-2.0
 
#ifndef AUX_OUTPUT_STREAM_H
#define AUX_OUTPUT_STREAM_H
 
#include "basedefs.h"
 
namespace PoDoFo {
 
class PODOFO_API OutputStream
{
public:
    OutputStream();
    virtual ~OutputStream();
 
    void Write(char ch);
 
    void Write(const std::string_view& view);
 
    void Write(const char* buffer, size_t size);
 
    void Flush();
 
protected:
    static void WriteBuffer(OutputStream& stream, const char* buffer, size_t size);
    static void Flush(OutputStream& stream);
 
protected:
    virtual void writeBuffer(const char* buffer, size_t size) = 0;
    virtual void flush();
 
    virtual void checkWrite() const;
 
    void enableWriteWindow(char* cur, char* end);
 
    void disableWriteWindow();
 
protected:
    char* m_wcur;
    char* m_wend;
 
private:
    void writeSlowPath(const char* buffer, size_t size);
 
private:
    OutputStream(const OutputStream&) = delete;
    OutputStream& operator=(const OutputStream&) = delete;
};
 
};
 
#endif // AUX_OUTPUT_STREAM_H