pjs/nsprpub/lib/prstreams/prstrms.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
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* decision by deleting the provisions above and replace them with the notice
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*
* ***** END LICENSE BLOCK ***** */
/*
* Robin J. Maxwell 11-22-96
*/
#ifndef _PRSTRMS_H
#define _PRSTRMS_H
#include "prtypes.h"
#include "prio.h"
#ifdef _MSC_VER
#pragma warning( disable : 4275)
#endif
#include <iostream.h>
#if defined(AIX) && defined(__64BIT__)
typedef long PRstreambuflen;
#else
typedef int PRstreambuflen;
#endif
#if defined (PRFSTREAMS_BROKEN)
// fix it sometime
#define PRfilebuf streambuf
#define PRifstream ifstream
#define PRofstream ofstream
#define PRfstream fstream
#else
class PR_IMPLEMENT(PRfilebuf): public streambuf
{
public:
PRfilebuf();
PRfilebuf(PRFileDesc *fd);
PRfilebuf(PRFileDesc *fd, char * buffptr, int bufflen);
~PRfilebuf();
virtual int overflow(int=EOF);
virtual int underflow();
virtual streambuf *setbuf(char *buff, PRstreambuflen bufflen);
virtual streampos seekoff(streamoff, ios::seek_dir, int);
virtual int sync();
PRfilebuf *open(const char *name, int mode, int flags);
PRfilebuf *attach(PRFileDesc *fd);
PRfilebuf *close();
int is_open() const {return (_fd != 0);}
PRFileDesc *fd(){return _fd;}
private:
PRFileDesc * _fd;
PRBool _opened;
PRBool _allocated;
};
class PR_IMPLEMENT(PRifstream): public istream {
public:
PRifstream();
PRifstream(const char *, int mode=ios::in, int flags = 0);
PRifstream(PRFileDesc *);
PRifstream(PRFileDesc *, char *, int);
~PRifstream();
streambuf * setbuf(char *, int);
PRfilebuf* rdbuf(){return (PRfilebuf*) ios::rdbuf(); }
void attach(PRFileDesc *fd);
PRFileDesc *fd() {return rdbuf()->fd();}
int is_open(){return rdbuf()->is_open();}
void open(const char *, int mode=ios::in, int flags= 0);
void close();
};
class PR_IMPLEMENT(PRofstream) : public ostream {
public:
PRofstream();
PRofstream(const char *, int mode=ios::out, int flags = 0);
PRofstream(PRFileDesc *);
PRofstream(PRFileDesc *, char *, int);
~PRofstream();
streambuf * setbuf(char *, int);
PRfilebuf* rdbuf() { return (PRfilebuf*) ios::rdbuf(); }
void attach(PRFileDesc *);
PRFileDesc *fd() {return rdbuf()->fd();}
int is_open(){return rdbuf()->is_open();}
void open(const char *, int =ios::out, int = 0);
void close();
};
class PR_IMPLEMENT(PRfstream) : public iostream {
public:
PRfstream();
PRfstream(const char *name, int mode, int flags= 0);
PRfstream(PRFileDesc *fd);
PRfstream(PRFileDesc *fd, char *buff, int bufflen);
~PRfstream();
streambuf * setbuf(char *, int);
PRfilebuf* rdbuf(){ return (PRfilebuf*) ostream::rdbuf(); }
void attach(PRFileDesc *);
PRFileDesc *fd() { return rdbuf()->fd(); }
int is_open() { return rdbuf()->is_open(); }
void open(const char *, int, int = 0);
void close();
};
#endif
#endif /* _PRSTRMS_H */