77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
#ifndef IOUTILITIES_NATIVE_FILE_STREAM
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#define IOUTILITIES_NATIVE_FILE_STREAM
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#include "../global.h"
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#ifdef CPP_UTILITIES_USE_NATIVE_FILE_BUFFER
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#include <iostream>
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#include <memory>
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#include <streambuf>
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#include <string>
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#else
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#endif
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#include <fstream>
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namespace IoUtilities {
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#ifdef CPP_UTILITIES_USE_NATIVE_FILE_BUFFER
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class CPP_UTILITIES_EXPORT NativeFileStream : public std::iostream {
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public:
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NativeFileStream();
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NativeFileStream(const std::string &path, std::ios_base::openmode openMode);
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NativeFileStream(int fileDescriptor, std::ios_base::openmode openMode);
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NativeFileStream(NativeFileStream &&);
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~NativeFileStream();
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bool is_open() const;
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void open(const std::string &path, std::ios_base::openmode openMode);
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void openFromFileDescriptor(int fileDescriptor, std::ios_base::openmode openMode);
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void close();
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FILE fileHandle();
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static std::unique_ptr<std::basic_streambuf<char>> makeFileBuffer(const std::string &path, ios_base::openmode openMode);
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static std::unique_ptr<std::basic_streambuf<char>> makeFileBuffer(int fileDescriptor, ios_base::openmode openMode);
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#ifdef PLATFORM_WINDOWS
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static std::unique_ptr<wchar_t[]> makeWidePath(const std::string &path);
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#endif
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private:
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void setFileBuffer(std::unique_ptr<std::basic_streambuf<char>> buffer);
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std::unique_ptr<std::basic_streambuf<char>> m_filebuf;
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FILE m_fileHandle;
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};
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inline NativeFileStream::NativeFileStream(const std::string &path, ios_base::openmode openMode)
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: NativeFileStream()
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{
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open(path, openMode);
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}
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inline NativeFileStream::NativeFileStream(int fileDescriptor, ios_base::openmode openMode)
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: NativeFileStream()
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{
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openFromFileDescriptor(fileDescriptor, openMode);
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}
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/*!
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* \brief Returns the underlying file handle if possible; otherwise the behaviour is undefined.
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* \deprecated Not implemented for any backend and will be removed in v5.
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* \todo Remove in v5.
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*/
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inline FILE NativeFileStream::fileHandle()
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{
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return m_fileHandle;
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}
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#else // CPP_UTILITIES_USE_NATIVE_FILE_BUFFER
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using NativeFileStream = std::fstream;
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#endif
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} // namespace IoUtilities
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#endif // IOUTILITIES_NATIVE_FILE_STREAM
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