bufferiodevice.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_CORE
#include <promeki/namespace.h>
#include <promeki/iodevice.h>
#include <promeki/buffer.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class BufferIODevice : public IODevice {
                PROMEKI_OBJECT(BufferIODevice, IODevice)
        public:
                explicit BufferIODevice(Buffer *buffer, ObjectBase *parent = nullptr);
 
                explicit BufferIODevice(ObjectBase *parent = nullptr);
 
                ~BufferIODevice() override;
 
                void setBuffer(Buffer *buffer);
 
                Buffer *buffer() const { return _buffer; }
 
                void setAutoGrow(bool enabled) { _autoGrow = enabled; }
 
                bool autoGrow() const { return _autoGrow; }
 
                Error           open(OpenMode mode) override;
                Error           close() override;
                bool            isOpen() const override;
                int64_t         read(void *data, int64_t maxSize) override;
                int64_t         write(const void *data, int64_t maxSize) override;
                int64_t         bytesAvailable() const override;
                bool            isSequential() const override;
                Error           seek(int64_t pos) override;
                int64_t         pos() const override;
                Result<int64_t> size() const override;
                bool            atEnd() const override;
 
        private:
                Buffer *_buffer = nullptr;
                int64_t _pos = 0;
                bool    _autoGrow = false;
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_CORE