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Diffstat (limited to 'contrib/libstdc++/include/backward/strstream')
| -rw-r--r-- | contrib/libstdc++/include/backward/strstream | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/backward/strstream b/contrib/libstdc++/include/backward/strstream new file mode 100644 index 0000000..28308e3 --- /dev/null +++ b/contrib/libstdc++/include/backward/strstream @@ -0,0 +1,188 @@ +// Backward-compat support -*- C++ -*- + +// Copyright (C) 2001 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 2, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING. If not, write to the Free +// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// USA. + +// As a special exception, you may use this file as part of a free software +// library without restriction. Specifically, if other files instantiate +// templates or use macros or inline functions from this file, or you compile +// this file and link it with other files to produce an executable, this +// file does not by itself cause the resulting executable to be covered by +// the GNU General Public License. This exception does not however +// invalidate any other reasons why the executable file might be covered by +// the GNU General Public License. + +/* + * Copyright (c) 1998 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +// WARNING: The classes defined in this header are DEPRECATED. This +// header is defined in section D.7.1 of the C++ standard, and it +// MAY BE REMOVED in a future standard revision. You should use the +// header <sstream> instead. + +#ifndef __SGI_STL_STRSTREAM +#define __SGI_STL_STRSTREAM + +#include "backward_warning.h" +#include <iosfwd> +#include <ios> +#include <istream> +#include <ostream> +#include <string> + +namespace std +{ + +//---------------------------------------------------------------------- +// Class strstreambuf, a streambuf class that manages an array of char. +// Note that this class is not a template. + +class strstreambuf : public basic_streambuf<char, char_traits<char> > +{ +public: // Types. + typedef char_traits<char> _Traits; + typedef basic_streambuf<char, _Traits> _Base; + +public: // Constructor, destructor + explicit strstreambuf(streamsize __initial_capacity = 0); + strstreambuf(void* (*__alloc)(size_t), void (*__free)(void*)); + + strstreambuf(char* __get, streamsize __n, char* __put = 0); + strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0); + strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0); + + strstreambuf(const char* __get, streamsize __n); + strstreambuf(const signed char* __get, streamsize __n); + strstreambuf(const unsigned char* __get, streamsize __n); + + virtual ~strstreambuf(); + +public: // strstreambuf operations. + void freeze(bool = true); + char* str(); + int pcount() const; + +protected: // Overridden virtual member functions. + virtual int_type overflow(int_type __c = _Traits::eof()); + virtual int_type pbackfail(int_type __c = _Traits::eof()); + virtual int_type underflow(); + virtual _Base* setbuf(char* __buf, streamsize __n); + virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir, + ios_base::openmode __mode + = ios_base::in | ios_base::out); + virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode + = ios_base::in | ios_base::out); + +private: // Helper functions. + // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun. + char* _M_alloc(size_t); + void _M_free(char*); + + // Helper function used in constructors. + void _M_setup(char* __get, char* __put, streamsize __n); + +private: // Data members. + void* (*_M_alloc_fun)(size_t); + void (*_M_free_fun)(void*); + + bool _M_dynamic : 1; + bool _M_frozen : 1; + bool _M_constant : 1; +}; + +//---------------------------------------------------------------------- +// Class istrstream, an istream that manages a strstreambuf. + +class istrstream : public basic_istream<char> +{ +public: + explicit istrstream(char*); + explicit istrstream(const char*); + istrstream(char* , streamsize); + istrstream(const char*, streamsize); + virtual ~istrstream(); + + strstreambuf* rdbuf() const; + char* str(); + +private: + strstreambuf _M_buf; +}; + +//---------------------------------------------------------------------- +// Class ostrstream + +class ostrstream : public basic_ostream<char> +{ +public: + ostrstream(); + ostrstream(char*, int, ios_base::openmode = ios_base::out); + virtual ~ostrstream(); + + strstreambuf* rdbuf() const; + void freeze(bool = true); + char* str(); + int pcount() const; + +private: + strstreambuf _M_buf; +}; + +//---------------------------------------------------------------------- +// Class strstream + +class strstream : public basic_iostream<char> +{ +public: + typedef char char_type; + typedef char_traits<char>::int_type int_type; + typedef char_traits<char>::pos_type pos_type; + typedef char_traits<char>::off_type off_type; + + strstream(); + strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out); + virtual ~strstream(); + + strstreambuf* rdbuf() const; + void freeze(bool = true); + int pcount() const; + char* str(); + +private: + strstreambuf _M_buf; +}; + +} // namespace std + +#endif /* __SGI_STL_STRSTREAM */ + +// Local Variables: +// mode:C++ +// End: + + |
