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Diffstat (limited to '')
-rw-r--r-- | public/sdk/inc/crt/fstream.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/public/sdk/inc/crt/fstream.h b/public/sdk/inc/crt/fstream.h new file mode 100644 index 000000000..2abba6c36 --- /dev/null +++ b/public/sdk/inc/crt/fstream.h @@ -0,0 +1,173 @@ +/*** +*fstream.h - definitions/declarations for filebuf and fstream classes +* +* Copyright (c) 1991-1995, Microsoft Corporation. All rights reserved. +* +*Purpose: +* This file defines the classes, values, macros, and functions +* used by the filebuf and fstream classes. +* [AT&T C++] +* +* [Public] +* +****/ + +#if _MSC_VER > 1000 +#pragma once +#endif + +#ifdef __cplusplus + +#ifndef _INC_FSTREAM +#define _INC_FSTREAM + +#if !defined(_WIN32) && !defined(_MAC) +#error ERROR: Only Mac or Win32 targets supported! +#endif + + +#ifdef _MSC_VER +// Currently, all MS C compilers for Win32 platforms default to 8 byte +// alignment. +#pragma pack(push,8) +#endif // _MSC_VER + +/* Define _CRTIMP */ + +#ifndef _CRTIMP +#ifdef _NTSDK +/* definition compatible with NT SDK */ +#define _CRTIMP +#else /* ndef _NTSDK */ +/* current definition */ +#ifdef _DLL +#define _CRTIMP __declspec(dllimport) +#else /* ndef _DLL */ +#define _CRTIMP +#endif /* _DLL */ +#endif /* _NTSDK */ +#endif /* _CRTIMP */ + + +#include <iostream.h> + +#ifdef _MSC_VER +// C4514: "unreferenced inline function has been removed" +#pragma warning(disable:4514) // disable C4514 warning +// #pragma warning(default:4514) // use this to reenable, if desired +#endif // _MSC_VER + +typedef int filedesc; + +class _CRTIMP filebuf : public streambuf { +public: +static const int openprot; // default share/prot mode for open + +// optional share values for 3rd argument (prot) of open or constructor +static const int sh_none; // exclusive mode no sharing +static const int sh_read; // allow read sharing +static const int sh_write; // allow write sharing +// use (sh_read | sh_write) to allow both read and write sharing + +// options for setmode member function +static const int binary; +static const int text; + + filebuf(); + filebuf(filedesc); + filebuf(filedesc, char *, int); + ~filebuf(); + + filebuf* attach(filedesc); + filedesc fd() const { return (x_fd==-1) ? EOF : x_fd; } + int is_open() const { return (x_fd!=-1); } + filebuf* open(const char *, int, int = filebuf::openprot); + filebuf* close(); + int setmode(int = filebuf::text); + +virtual int overflow(int=EOF); +virtual int underflow(); + +virtual streambuf* setbuf(char *, int); +virtual streampos seekoff(streamoff, ios::seek_dir, int); +// virtual streampos seekpos(streampos, int); +virtual int sync(); + +private: + filedesc x_fd; + int x_fOpened; +}; + +class _CRTIMP ifstream : public istream { +public: + ifstream(); + ifstream(const char *, int =ios::in, int = filebuf::openprot); + ifstream(filedesc); + ifstream(filedesc, char *, int); + ~ifstream(); + + streambuf * setbuf(char *, int); + filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); } + + void attach(filedesc); + filedesc fd() const { return rdbuf()->fd(); } + + int is_open() const { return rdbuf()->is_open(); } + void open(const char *, int =ios::in, int = filebuf::openprot); + void close(); + int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); } +}; + +class _CRTIMP ofstream : public ostream { +public: + ofstream(); + ofstream(const char *, int =ios::out, int = filebuf::openprot); + ofstream(filedesc); + ofstream(filedesc, char *, int); + ~ofstream(); + + streambuf * setbuf(char *, int); + filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); } + + void attach(filedesc); + filedesc fd() const { return rdbuf()->fd(); } + + int is_open() const { return rdbuf()->is_open(); } + void open(const char *, int =ios::out, int = filebuf::openprot); + void close(); + int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); } +}; + +class _CRTIMP fstream : public iostream { +public: + fstream(); + fstream(const char *, int, int = filebuf::openprot); + fstream(filedesc); + fstream(filedesc, char *, int); + ~fstream(); + + streambuf * setbuf(char *, int); + filebuf* rdbuf() const { return (filebuf*) ostream::rdbuf(); } + + void attach(filedesc); + filedesc fd() const { return rdbuf()->fd(); } + + int is_open() const { return rdbuf()->is_open(); } + void open(const char *, int, int = filebuf::openprot); + void close(); + int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); } +}; + +// manipulators to dynamically change file access mode (filebufs only) +inline ios& binary(ios& _fstrm) \ + { ((filebuf*)_fstrm.rdbuf())->setmode(filebuf::binary); return _fstrm; } +inline ios& text(ios& _fstrm) \ + { ((filebuf*)_fstrm.rdbuf())->setmode(filebuf::text); return _fstrm; } + +#ifdef _MSC_VER +#pragma pack(pop) +#endif // _MSC_VER + +#endif // _INC_FSTREAM + +#endif /* __cplusplus */ |