mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-14 19:57:17 +01:00
73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
|
//
|
||
|
|
// FileStream_POSIX.h
|
||
|
|
//
|
||
|
|
// Library: Foundation
|
||
|
|
// Package: Streams
|
||
|
|
// Module: FileStream
|
||
|
|
//
|
||
|
|
// Definition of the FileStreamBuf, FileInputStream and FileOutputStream classes.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
|
||
|
|
// and Contributors.
|
||
|
|
//
|
||
|
|
// SPDX-License-Identifier: BSL-1.0
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef Foundation_FileStream_POSIX_INCLUDED
|
||
|
|
#define Foundation_FileStream_POSIX_INCLUDED
|
||
|
|
|
||
|
|
|
||
|
|
#include "Poco/Foundation.h"
|
||
|
|
#include "Poco/BufferedBidirectionalStreamBuf.h"
|
||
|
|
#include <istream>
|
||
|
|
#include <ostream>
|
||
|
|
|
||
|
|
|
||
|
|
namespace Poco {
|
||
|
|
|
||
|
|
|
||
|
|
class Foundation_API FileStreamBuf: public BufferedBidirectionalStreamBuf
|
||
|
|
/// This stream buffer handles Fileio
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
FileStreamBuf();
|
||
|
|
/// Creates a FileStreamBuf.
|
||
|
|
|
||
|
|
~FileStreamBuf();
|
||
|
|
/// Destroys the FileStream.
|
||
|
|
|
||
|
|
void open(const std::string& path, std::ios::openmode mode);
|
||
|
|
/// Opens the given file in the given mode.
|
||
|
|
|
||
|
|
bool close();
|
||
|
|
/// Closes the File stream buffer. Returns true if successful,
|
||
|
|
/// false otherwise.
|
||
|
|
|
||
|
|
std::streampos seekoff(std::streamoff off, std::ios::seekdir dir, std::ios::openmode mode = std::ios::in | std::ios::out);
|
||
|
|
/// Change position by offset, according to way and mode.
|
||
|
|
|
||
|
|
std::streampos seekpos(std::streampos pos, std::ios::openmode mode = std::ios::in | std::ios::out);
|
||
|
|
/// Change to specified position, according to mode.
|
||
|
|
|
||
|
|
protected:
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
BUFFER_SIZE = 4096
|
||
|
|
};
|
||
|
|
|
||
|
|
int readFromDevice(char* buffer, std::streamsize length);
|
||
|
|
int writeToDevice(const char* buffer, std::streamsize length);
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::string _path;
|
||
|
|
int _fd;
|
||
|
|
std::streamoff _pos;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace Poco
|
||
|
|
|
||
|
|
|
||
|
|
#endif // Foundation_FileStream_WIN32_INCLUDED
|