65 lines
2.7 KiB
C++
65 lines
2.7 KiB
C++
// This file is part of the uSTL library, an STL implementation.
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//
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// Copyright (c) 2005 by Mike Sharov <msharov@users.sourceforge.net>
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// This file is free software, distributed under the MIT License.
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#pragma once
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#include "sistream.h"
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#include "sostream.h"
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#include "fstream.h"
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namespace ustl {
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/// \class ofstream fdostream.h ustl.h
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/// \ingroup DeviceStreams
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/// \brief A string stream that writes to an fd. Implements cout and cerr.
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class ofstream : public ostringstream {
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public:
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ofstream (void);
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explicit ofstream (int Fd);
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explicit ofstream (const char* filename, openmode mode = out);
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virtual ~ofstream (void) noexcept;
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inline void open (const char* filename, openmode mode = out) { m_File.open (filename, mode); clear (m_File.rdstate()); }
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void close (void);
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inline bool is_open (void) const { return (m_File.is_open()); }
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inline iostate exceptions (iostate v) { ostringstream::exceptions(v); return (m_File.exceptions(v)); }
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inline void setstate (iostate v) { ostringstream::setstate(v); m_File.setstate(v); }
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inline void clear (iostate v = goodbit) { ostringstream::clear(v); m_File.clear(v); }
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inline off_t tellp (void) const { return (m_File.tellp() + ostringstream::tellp()); }
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inline int fd (void) const { return (m_File.fd()); }
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ofstream& seekp (off_t p, seekdir d = beg);
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ofstream& flush (void);
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virtual size_type overflow (size_type n = 1);
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private:
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fstream m_File;
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};
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/// \class ifstream fdostream.h ustl.h
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/// \ingroup DeviceStreams
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/// \brief A string stream that reads from an fd. Implements cin.
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class ifstream : public istringstream {
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public:
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ifstream (void);
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explicit ifstream (int Fd);
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explicit ifstream (const char* filename, openmode mode = in);
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inline void open (const char* filename, openmode mode = in) { m_File.open (filename, mode); clear (m_File.rdstate()); }
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inline void close (void) { m_File.close(); clear (m_File.rdstate()); }
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inline bool is_open (void) const { return (m_File.is_open()); }
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inline iostate exceptions (iostate v) { istringstream::exceptions(v); return (m_File.exceptions(v)); }
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inline void setstate (iostate v) { istringstream::setstate(v); m_File.setstate(v); }
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inline void clear (iostate v = goodbit) { istringstream::clear(v); m_File.clear(v); }
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inline off_t tellg (void) const { return (m_File.tellg() - remaining()); }
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inline int fd (void) const { return (m_File.fd()); }
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ifstream& seekg (off_t p, seekdir d = beg);
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int sync (void);
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virtual size_type underflow (size_type n = 1);
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private:
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string m_Buffer;
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fstream m_File;
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};
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extern ofstream cout, cerr;
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extern ifstream cin;
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} // namespace ustl
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