atomicOfstreamWrapper.h

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//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_BASE_TF_ATOMIC_OFSTREAM_WRAPPER_H
#define PXR_BASE_TF_ATOMIC_OFSTREAM_WRAPPER_H
 
 
#include "pxr/pxr.h"
#include "pxr/base/tf/api.h"
 
#include <fstream>
#include <string>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class TfAtomicOfstreamWrapper
{
    TfAtomicOfstreamWrapper(const TfAtomicOfstreamWrapper&) = delete;
    TfAtomicOfstreamWrapper& operator=(
        const TfAtomicOfstreamWrapper&) = delete;
public:
    TF_API explicit TfAtomicOfstreamWrapper(const std::string& filePath);
 
    TF_API ~TfAtomicOfstreamWrapper();
 
    TF_API bool Open(std::string* reason = 0);
 
    TF_API bool Commit(std::string* reason = 0);
 
    TF_API bool Cancel(std::string* reason = 0);
 
    std::ofstream& GetStream() { return _stream; }
 
private:
    std::string _filePath;
    std::string _tmpFilePath;
    std::ofstream _stream;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_BASE_TF_ATOMIC_OFSTREAM_WRAPPER_H