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- // This is part of the iostream library, providing input/output for C++.
- // Copyright (C) 1991 Per Bothner.
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Library General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, 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
- // Library General Public License for more details.
- //
- // You should have received a copy of the GNU Library General Public
- // License along with this library; if not, write to the Free
- // Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- #ifndef __STRSTREAM_H
- #define __STRSTREAM_H
- #ifdef __GNUG__
- #pragma interface
- #endif
- #include <iostream.h>
-
- class strstreambuf : public streambuf {
- _G_size_t _len; // The current length is max(_len, _pptr-_pbase).
- _G_size_t _size; // Allocated (physical) buffer size.
- char *_buffer;
- int _frozen;
- protected:
- virtual int overflow(int = EOF);
- virtual int underflow();
- public:
- strstreambuf();
- strstreambuf(int initial);
- strstreambuf(char *ptr, int size, char *pstart = NULL);
- ~strstreambuf();
- int frozen() { return _frozen; }
- void freeze(int n=1) { _frozen = n != 0; }
- _G_size_t pcount();
- char *str();
- virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
- };
-
- class istrstream : public istream {
- public:
- istrstream(char*);
- istrstream(char*, int);
- strstreambuf* rdbuf() { return (strstreambuf*)_strbuf; }
- };
-
- class ostrstream : public ostream {
- public:
- ostrstream();
- ostrstream(char *cp, int n, int mode=ios::out);
- _G_size_t pcount() { return ((strstreambuf*)_strbuf)->pcount(); }
- char *str() { return ((strstreambuf*)_strbuf)->str(); }
- void freeze(int n = 1) { ((strstreambuf*)_strbuf)->freeze(n); }
- int frozen() { return ((strstreambuf*)_strbuf)->frozen(); }
- strstreambuf* rdbuf() { return (strstreambuf*)_strbuf; }
- };
-
- class strstream : public iostream {
- public:
- strstream();
- strstream(char *cp, int n, int mode);
- _G_size_t pcount() { return ((strstreambuf*)_strbuf)->pcount(); }
- char *str() { return ((strstreambuf*)_strbuf)->str(); }
- void freeze(int n = 1) { ((strstreambuf*)_strbuf)->freeze(n); }
- int frozen() { return ((strstreambuf*)_strbuf)->frozen(); }
- strstreambuf* rdbuf() { return (strstreambuf*)_strbuf; }
- };
-
- #endif /*!__STRSTREAM_H*/
-