AuroraRuntime/Source/IO/Adapters/AuIOAdapterSeeking.cpp

47 lines
1.2 KiB
C++

/***
Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
File: AuIOAdapterSeeking.cpp
Date: 2022-6-6
Author: Reece
***/
#include <Source/RuntimeInternal.hpp>
#include <Aurora/IO/IOExperimental.hpp>
#include "AuIOAdapterSeeking.hpp"
namespace Aurora::IO::Adapters
{
SeekingReader::SeekingReader(const AuSPtr<ISeekingReader> &pReader) :
pReader(pReader)
{
}
EStreamError SeekingReader::IsOpen()
{
return this->pReader ? this->pReader->IsOpen() : EStreamError::eErrorStreamNotOpen;
}
EStreamError SeekingReader::Read(const Memory::MemoryViewStreamWrite &parameters)
{
auto error = this->pReader ? this->pReader->ArbitraryRead(this->uIndex, parameters) : EStreamError::eErrorStreamNotOpen;
if (error == EStreamError::eErrorNone)
{
this->uIndex += parameters.outVariable;
}
return error;
}
void SeekingReader::Close()
{
if (this->pReader)
{
this->pReader->Close();
}
}
AUKN_SYM AuSPtr<IStreamReader> NewSeekingReadAdapter(const AuSPtr<ISeekingReader> &pReader)
{
return AuMakeShared<SeekingReader>(pReader);
}
}