StreamWrapper.h

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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <Jolt/Core/StreamIn.h>
#include <Jolt/Core/StreamOut.h>
 
JPH_SUPPRESS_WARNINGS_STD_BEGIN
#include <ostream>
JPH_SUPPRESS_WARNINGS_STD_END
 
JPH_NAMESPACE_BEGIN
 
class StreamOutWrapper : public StreamOut
{
public:
                        StreamOutWrapper(ostream &ioWrapped)                        : mWrapped(ioWrapped) { }
 
    virtual void        WriteBytes(const void *inData, size_t inNumBytes) override  { mWrapped.write((const char *)inData, inNumBytes); }
 
    virtual bool        IsFailed() const override                                   { return mWrapped.fail(); }
 
private:
    ostream &           mWrapped;
};
 
class StreamInWrapper : public StreamIn
{
public:
                        StreamInWrapper(istream &ioWrapped)                         : mWrapped(ioWrapped) { }
 
    virtual void        ReadBytes(void *outData, size_t inNumBytes) override        { mWrapped.read((char *)outData, inNumBytes); }
 
    virtual bool        IsEOF() const override                                      { return mWrapped.eof(); }
 
    virtual bool        IsFailed() const override                                   { return mWrapped.fail(); }
 
private:
    istream &           mWrapped;
};
 
JPH_NAMESPACE_END