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43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#pragma once
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#include <stddef.h>
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#include "GpFilePos.h"
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#include "CoreDefs.h"
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class GpIOStream
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{
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public:
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virtual size_t Read(void *bytesOut, size_t size) = 0;
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virtual size_t Write(const void *bytes, size_t size) = 0;
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virtual bool IsSeekable() const = 0;
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virtual bool IsReadOnly() const = 0;
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virtual bool IsWriteOnly() const = 0;
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virtual bool SeekStart(GpUFilePos_t loc) = 0;
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virtual bool SeekCurrent(GpFilePos_t loc) = 0;
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virtual bool SeekEnd(GpUFilePos_t loc) = 0;
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virtual GpUFilePos_t Size() const = 0;
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virtual GpUFilePos_t Tell() const = 0;
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virtual void GP_ASYNCIFY_PARANOID_NAMED(Close)() = 0;
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virtual void Flush() = 0;
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bool ReadExact(void *bytesOut, size_t size);
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bool WriteExact(const void *bytesOut, size_t size);
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#if GP_ASYNCIFY_PARANOID
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void Close();
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#endif
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};
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inline bool GpIOStream::ReadExact(void *bytesOut, size_t size)
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{
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const size_t nRead = this->Read(bytesOut, size);
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return nRead == size;
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}
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inline bool GpIOStream::WriteExact(const void *bytes, size_t size)
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{
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const size_t nWritten = this->Write(bytes, size);
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return nWritten == size;
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}
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