90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/***
|
|
*strstream.h - definitions/declarations for strstreambuf, strstream
|
|
*
|
|
* Copyright (c) 1991-1993, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* This file defines the classes, values, macros, and functions
|
|
* used by the strstream and strstreambuf classes.
|
|
* [AT&T C++]
|
|
*
|
|
****/
|
|
|
|
#ifndef _INC_STRSTREAM
|
|
#define _INC_STRSTREAM
|
|
|
|
#include <iostream.h>
|
|
|
|
// Force word packing to avoid possible -Zp override
|
|
#pragma pack(4)
|
|
|
|
#pragma warning(disable:4505) // disable unwanted /W4 warning
|
|
// #pragma warning(default:4505) // use this to reenable, if necessary
|
|
|
|
class strstreambuf : public streambuf {
|
|
public:
|
|
strstreambuf();
|
|
strstreambuf(int);
|
|
strstreambuf(char *, int, char * = 0);
|
|
strstreambuf(unsigned char *, int, unsigned char * = 0);
|
|
strstreambuf(signed char *, int, signed char * = 0);
|
|
strstreambuf(void * (*a)(long), void (*f) (void *));
|
|
~strstreambuf();
|
|
|
|
void freeze(int =1);
|
|
char * str();
|
|
|
|
virtual int overflow(int);
|
|
virtual int underflow();
|
|
virtual streambuf* setbuf(char *, int);
|
|
virtual streampos seekoff(streamoff, ios::seek_dir, int);
|
|
virtual int sync(); // not in spec.
|
|
|
|
protected:
|
|
virtual int doallocate();
|
|
private:
|
|
int x_dynamic;
|
|
int x_bufmin;
|
|
int _fAlloc;
|
|
int x_static;
|
|
void * (* x_alloc)(long);
|
|
void (* x_free)(void *);
|
|
};
|
|
|
|
class istrstream : public istream {
|
|
public:
|
|
istrstream(char *);
|
|
istrstream(char *, int);
|
|
~istrstream();
|
|
|
|
inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
|
|
inline char * str() { return rdbuf()->str(); }
|
|
};
|
|
|
|
class ostrstream : public ostream {
|
|
public:
|
|
ostrstream();
|
|
ostrstream(char *, int, int = ios::out);
|
|
~ostrstream();
|
|
|
|
inline int pcount() const { return rdbuf()->out_waiting(); }
|
|
inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
|
|
inline char * str() { return rdbuf()->str(); }
|
|
};
|
|
|
|
class strstream : public iostream { // strstreambase ???
|
|
public:
|
|
strstream();
|
|
strstream(char *, int, int);
|
|
~strstream();
|
|
|
|
inline int pcount() const { return rdbuf()->out_waiting(); } // not in spec.
|
|
inline strstreambuf* rdbuf() const { return (strstreambuf*) ostream::rdbuf(); }
|
|
inline char * str() { return rdbuf()->str(); }
|
|
};
|
|
|
|
// Restore default packing
|
|
#pragma pack()
|
|
|
|
#endif // !_INC_STRSTREAM
|