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//-----------------------------------------------------------------------------
/** @file twogtp/FdStream.h
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#ifndef TWOGTP_FDSTREAM_H
#define TWOGTP_FDSTREAM_H
#include <iostream>
#include <vector>
using namespace std;
//-----------------------------------------------------------------------------
/** Input stream buffer from a file descriptor. */
class FdInBuf
: public streambuf
{
public:
explicit FdInBuf(int fd, size_t buf_size = 1024);
~FdInBuf() override;
protected:
int_type underflow() override;
private:
int m_fd;
vector<char_type> m_buf;
};
//-----------------------------------------------------------------------------
/** Input stream from a file descriptor. */
class FdInStream final
: public istream
{
public:
explicit FdInStream(int fd);
private:
FdInBuf m_buf;
};
//-----------------------------------------------------------------------------
/** %Output stream buffer from a file descriptor. */
class FdOutBuf
: public streambuf
{
public:
explicit FdOutBuf(int fd)
: m_fd(fd)
{ }
~FdOutBuf() override;
protected:
int_type overflow(int_type c) override;
streamsize xsputn(const char_type* s, streamsize count) override;
private:
int m_fd;
};
//-----------------------------------------------------------------------------
/** %Output stream from a file descriptor. */
class FdOutStream final
: public ostream
{
public:
explicit FdOutStream(int fd);
private:
FdOutBuf m_buf;
};
//-----------------------------------------------------------------------------
#endif // TWOGTP_FDSTREAM_H
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