AuroraRuntime/Source/IO/Adapters/AuIOAdapterZeros.cpp

/***
    Copyright (C) 2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuIOAdapterZeros.cpp
    Date: 2024-1-3
    Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include "AuIOAdapterZeros.hpp"

namespace Aurora::IO::Adapters
{
    EStreamError ZerosStreamReader::IsOpen()
    {
        return EStreamError::eErrorNone;
    }
    
    EStreamError ZerosStreamReader::Read(const Memory::MemoryViewStreamWrite &parameters)
    {
        if (!parameters)
        {
            parameters.outVariable = 0;
            return EStreamError::eErrorOutOfBounds;
        }

        AuMemset(parameters.ptr, 0, parameters.length);
        parameters.outVariable = parameters.length;
        return EStreamError::eErrorNone;
    }
    
    void ZerosStreamReader::Close()
    {

    }

    EStreamError ZerosStreamSeekingReader::IsOpen()
    {
        return EStreamError::eErrorNone;
    }

    EStreamError ZerosStreamSeekingReader::ArbitraryRead(AuUInt uOffset, const Memory::MemoryViewStreamWrite &parameters)
    {
        if (!parameters)
        {
            parameters.outVariable = 0;
            return EStreamError::eErrorOutOfBounds;
        }

        AuMemset(parameters.ptr, 0, parameters.length);
        parameters.outVariable = parameters.length;
        return EStreamError::eErrorNone;
    }

    void ZerosStreamSeekingReader::Close()
    {

    }

    AUKN_SYM AuSPtr<IStreamReader> NewZerosReadAdapter()
    {
        SysCheckRetExpNotNullMemory(AuMakeShared<ZerosStreamReader>(), {});
    }

    AUKN_SYM AuSPtr<ISeekingReader> NewZerosSeekingAdapter()
    {
        SysCheckRetExpNotNullMemory(AuMakeShared<ZerosStreamSeekingReader>(), {});
    }
}