StdOutputStream.h

Go to the documentation of this file.

#pragma once
 
#include "DataIO/Stream/IOutputStream.h"
#include "DataIO/FileSystem/Path.h"
 
#include <utility>
#include <memory>
#include <ostream>
#include <string>
 
namespace ph
{
 
class StdOutputStream : public IOutputStream
{
public:
    StdOutputStream() = default;
    explicit StdOutputStream(std::unique_ptr<std::ostream> stream);
    StdOutputStream(StdOutputStream&& other) noexcept;
 
    void write(std::size_t numBytes, const std::byte* bytes) override;
    void writeString(std::string_view str) override;
    void seekPut(std::size_t pos) override;
    std::optional<std::size_t> tellPut() override;
    operator bool () const override;
 
    std::ostream* getStream() const;
 
    StdOutputStream& operator = (StdOutputStream&& rhs) noexcept;
 
protected:
    bool isStreamGoodForWrite() const;
 
    void ensureStreamIsGoodForWrite() const;
 
    std::string getReasonForError() const;
 
private:
    std::unique_ptr<std::ostream> m_ostream;
};
 
// In-header Implementations:
 
inline StdOutputStream::StdOutputStream(StdOutputStream&& other) noexcept
{
    *this = std::move(other);
}
 
inline StdOutputStream& StdOutputStream::operator = (StdOutputStream&& rhs) noexcept
{
    m_ostream = std::move(rhs.m_ostream);
    return *this;
}
 
inline StdOutputStream::operator bool () const
{
    return isStreamGoodForWrite();
}
 
inline std::ostream* StdOutputStream::getStream() const
{
    return m_ostream.get();
}
 
inline bool StdOutputStream::isStreamGoodForWrite() const
{
    return m_ostream != nullptr && m_ostream->good();
}
 
}// end namespace ph