96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
/***
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*strstream.h - definitions/declarations for strstreambuf, strstream
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*
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* Copyright (c) 1991-1992, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines the classes, values, macros, and functions
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* used by the strstream and strstreambuf classes.
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* [AT&T C++]
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*
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****/
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#ifndef _INC_STRSTREAM
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#define _INC_STRSTREAM
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#include <iostream.h>
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// Force word packing to avoid possible -Zp override
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#pragma pack(2)
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#pragma warning(disable:4505) // disable unwanted /W4 warning
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// #pragma warning(default:4505) // use this to reenable, if necessary
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#ifdef M_I86HM
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#define _HFAR_ __far
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#else
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#define _HFAR_
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#endif
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class strstreambuf : public streambuf {
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public:
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strstreambuf();
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strstreambuf(int);
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strstreambuf(char _HFAR_ *, int, char _HFAR_ * = 0);
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strstreambuf(unsigned char _HFAR_ *, int, unsigned char _HFAR_ * = 0);
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strstreambuf(signed char _HFAR_ _HFAR_ *, int, signed char _HFAR_ * = 0);
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strstreambuf(void _HFAR_ * (*a)(long), void (*f) (void _HFAR_ *));
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~strstreambuf();
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void freeze(int =1);
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char _HFAR_ * str();
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virtual int overflow(int);
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virtual int underflow();
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virtual streambuf* setbuf(char _HFAR_ *, int);
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virtual streampos seekoff(streamoff, ios::seek_dir, int);
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virtual int sync(); // not in spec.
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protected:
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virtual int doallocate();
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private:
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int x_dynamic;
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int x_bufmin;
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int _fAlloc;
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int x_static;
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void _HFAR_ * (* x_alloc)(long);
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void (* x_free)(void _HFAR_ *);
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};
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class istrstream : public istream {
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public:
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istrstream(char _HFAR_ *);
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istrstream(char _HFAR_ *, int);
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~istrstream();
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
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inline char _HFAR_ * str() { return rdbuf()->str(); }
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};
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class ostrstream : public ostream {
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public:
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ostrstream();
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ostrstream(char _HFAR_ *, int, int = ios::out);
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~ostrstream();
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inline int pcount() const { return rdbuf()->out_waiting(); }
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
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inline char _HFAR_ * str() { return rdbuf()->str(); }
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};
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class strstream : public iostream { // strstreambase ???
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public:
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strstream();
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strstream(char _HFAR_ *, int, int);
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~strstream();
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inline int pcount() const { return rdbuf()->out_waiting(); } // not in spec.
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ostream::rdbuf(); }
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inline char _HFAR_ * str() { return rdbuf()->str(); }
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};
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// Restore default packing
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#pragma pack()
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#endif
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