Stream.hpp

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#pragma once

namespace CYB {
    namespace API {
        class Stream {
        public:
            enum class Mode : byte {
                READ = 1,   
                WRITE,  
                READ_WRITE, 
            };
            enum class SeekLocation {
                BEGIN,  
                CURSOR, 
                END,    
            };
        public:
            virtual void Capabilities(Mode& AMode, bool& ASeek) const noexcept = 0;

            virtual unsigned long long CursorPosition(void) const = 0;

            virtual unsigned long long Seek(const long long AOffset, const SeekLocation ALocation) const = 0;

            virtual unsigned long long Read(void* const ABuffer, const unsigned long long AMaxAmount) const = 0;
            virtual unsigned long long Write(const void* const ABuffer, const unsigned long long AAmount) = 0;
        };

        class SafeStream : public Stream {
        public:
            virtual unsigned long long CursorPosition(void) const noexcept = 0;
            virtual unsigned long long Seek(const long long AOffset, const SeekLocation ALocation) const noexcept = 0;

            virtual unsigned long long Read(void* const ABuffer, const unsigned long long AMaxAmount) const noexcept = 0;
            virtual unsigned long long Write(const void* const ABuffer, const unsigned long long AAmount) noexcept = 0;
        };
    };
};