First Checked In.
git-svn-id: svn://10.0.0.236/trunk@15952 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
mcmullen%netscape.com
737
mozilla/base/public/nsFileStream.h
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737
mozilla/base/public/nsFileStream.h
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@@ -0,0 +1,737 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0(the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright(C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// First checked in on 98/11/20 by John R. McMullen. Checked in again 98/12/04.
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#ifndef _STREAM_H_
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#define _STREAM_H_
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#include <istream>
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#include "prio.h"
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#include "nsFileSpec.h"
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#ifdef __MWERKS__
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#ifdef MSIPL_WCHART
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#define NS_USING_WIDE_CHAR
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#endif
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#ifdef MSIPL_EXPLICIT_FUNC_TEMPLATE_ARG
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#define NS_EXPLICIT_FUNC_TEMPLATE_ARG
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#endif
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#endif
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//========================================================================================
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template<class charT, class traits>
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class nsFileBufferT
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//========================================================================================
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: public basic_streambuf<charT, traits>
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{
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typedef codecvt_base::result result;
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public:
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typedef charT char_type;
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typedef typename traits::pos_type pos_type;
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typedef typename traits::off_type off_type;
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typedef typename traits::int_type int_type;
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typedef traits traits_type;
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typedef typename traits::state_type state_type;
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typedef nsFileBufferT<charT, traits> filebuf_type;
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typedef codecvt<charT, char, state_type> ofacet_type;
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typedef codecvt<char, charT, state_type> ifacet_type;
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nsFileBufferT();
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nsFileBufferT(PRFileDesc* pfile_arg);
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virtual ~nsFileBufferT();
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bool is_open() const;
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filebuf_type* open(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode,
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PRIntn accessMode);
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filebuf_type* close();
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protected:
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virtual int_type overflow(int_type c=traits::eof());
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virtual int_type pbackfail(int_type c=traits::eof());
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virtual int_type underflow();
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virtual pos_type seekoff(
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off_type off, ios_base::seekdir way,
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ios_base::openmode which=ios_base::in|ios_base::out);
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virtual pos_type seekpos(pos_type sp,
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ios_base::openmode which=ios_base::in|ios_base::out);
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virtual basic_streambuf<charT, traits>* setbuf(char_type* s, streamsize n);
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virtual int sync();
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virtual int_type uflow();
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virtual void imbue(const locale& loc);
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virtual streamsize showmanyc();
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virtual streamsize xsgetn(char_type* s, streamsize n);
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virtual streamsize xsputn(const char_type* s, streamsize n);
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private:
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PRFileDesc* mFileDesc;
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ios_base::openmode mode_;
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}; // class nsFileBufferT
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//========================================================================================
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template<class charT, class traits>
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class nsInputFileStreamT
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//========================================================================================
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: public basic_istream<charT, traits>
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{
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typedef nsFileBufferT<charT, traits> filebuf_type;
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public:
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typedef charT char_type;
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typedef typename traits::pos_type pos_type;
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typedef typename traits::off_type off_type;
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typedef typename traits::int_type int_type;
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typedef traits traits_type;
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nsInputFileStreamT();
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explicit nsInputFileStreamT(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode=ios_base::in,
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PRIntn accessMode = 0x00400);
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virtual ~nsInputFileStreamT();
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filebuf_type* rdbuf() const;
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inline bool is_open();
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inline void open(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode=ios_base::in,
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PRIntn accessMode = 0x00400);
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inline void close();
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private:
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filebuf_type mBuffer;
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}; // class nsInputFileStreamT
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//========================================================================================
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template<class charT, class traits>
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class nsOutputFileStreamT
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//========================================================================================
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: public basic_ostream<charT, traits>
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{
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typedef nsFileBufferT<charT, traits> filebuf_type;
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public:
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typedef charT char_type;
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typedef typename traits::pos_type pos_type;
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typedef typename traits::off_type off_type;
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typedef typename traits::int_type int_type;
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typedef traits traits_type;
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nsOutputFileStreamT();
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explicit nsOutputFileStreamT(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode = ios_base::out|ios_base::trunc,
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PRIntn accessMode = 0x00200);
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virtual ~nsOutputFileStreamT();
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filebuf_type* rdbuf() const;
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inline bool is_open();
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inline void open(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode = ios_base::out|ios_base::trunc,
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PRIntn accessMode = 0x00200);
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inline void close();
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private:
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filebuf_type mBuffer;
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}; // class nsOutputFileStreamT
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//========================================================================================
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// Implementation of nsFileBufferT
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//========================================================================================
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline nsFileBufferT<charT, traits>::nsFileBufferT()
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: basic_streambuf<charT, traits>(), mFileDesc(NULL)
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//----------------------------------------------------------------------------------------
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{
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline nsFileBufferT<charT, traits>::nsFileBufferT(PRFileDesc* pfarg)
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: basic_streambuf<charT, traits>(), mFileDesc(pfarg)
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//----------------------------------------------------------------------------------------
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{
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline nsFileBufferT<charT, traits>::~nsFileBufferT()
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//----------------------------------------------------------------------------------------
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{
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close();
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline bool
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nsFileBufferT<charT, traits>::is_open() const
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//----------------------------------------------------------------------------------------
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{
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READ_LOCK(_mutex);
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return bool(mFileDesc); // in case it is typedefed to int
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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nsFileBufferT<charT, traits>::filebuf_type*
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nsFileBufferT<charT, traits>::open(
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const nsUnixFilePath& inFile,
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ios_base::openmode mode,
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PRIntn accessMode
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)
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//----------------------------------------------------------------------------------------
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{
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if (mFileDesc)
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return 0;
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const ios_base::openmode valid_modes[]=
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{
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ios_base::out,
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ios_base::out | ios_base::app,
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ios_base::out | ios_base::trunc,
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ios_base::in,
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ios_base::in | ios_base::out,
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ios_base::in | ios_base::out | ios_base::trunc,
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// ios_base::out | ios_base::binary,
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// ios_base::out | ios_base::app | ios_base::binary,
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// ios_base::out | ios_base::trunc | ios_base::binary,
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// ios_base::in | ios_base::binary,
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// ios_base::in | ios_base::out | ios_base::binary,
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// ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary,
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0
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};
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const int nspr_modes[]={
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PR_WRONLY | PR_CREATE_FILE,
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PR_WRONLY | PR_CREATE_FILE | PR_APPEND,
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PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE,
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PR_RDONLY,
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PR_RDONLY | PR_APPEND,
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PR_RDWR | PR_CREATE_FILE,
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PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE,
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// "wb",
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// "ab",
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// "wb",
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// "rb",
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// "r+b",
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// "w+b",
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0 };
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int ind=0;
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while (valid_modes[ind] && valid_modes[ind] != (mode&~ios_base::ate))
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++ind;
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if (!nspr_modes[ind])
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return 0;
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WRITE_LOCK(_mutex);
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mode_ = mode;
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if ((mFileDesc = PR_Open(inFile, nspr_modes[ind], accessMode)) != 0)
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if (mode&ios_base::ate && PR_Seek(mFileDesc, 0, PR_SEEK_END) >= 0)
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close();
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else
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return this;
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return 0;
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} // nsFileBufferT<charT, traits>::open
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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nsFileBufferT<charT, traits>::filebuf_type* nsFileBufferT<charT, traits>::close()
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//----------------------------------------------------------------------------------------
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{
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if (mFileDesc==PR_STDIN || mFileDesc==PR_STDOUT || mFileDesc==PR_STDERR)
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return this;
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WRITE_LOCK(_mutex);
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return (mFileDesc && PR_Close(mFileDesc) == PR_SUCCESS) ? mFileDesc = 0, this : 0;
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline int
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nsFileBufferT<charT, traits>:: sync()
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//----------------------------------------------------------------------------------------
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{
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return (mFileDesc ? (int)PR_Sync(mFileDesc) : 0);
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline basic_streambuf<charT, traits>*
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nsFileBufferT<charT, traits>::setbuf(char_type*, streamsize)
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//----------------------------------------------------------------------------------------
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{
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return (!mFileDesc) ? 0 : this;
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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nsFileBufferT<charT, traits>::int_type nsFileBufferT<charT, traits>::overflow(int_type c)
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//----------------------------------------------------------------------------------------
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{
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#ifdef NS_EXPLICIT_FUNC_TEMPLATE_ARG
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const ofacet_type& ft=use_facet<ofacet_type>(loc);
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#else
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const ofacet_type& ft=use_facet(loc, (ofacet_type*)0);
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#endif
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char_type ch = traits_type::to_char_type(c);
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if (!mFileDesc)
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return traits_type::eof();
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if (traits_type::eq_int_type(c, traits::eof()))
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return traits_type::not_eof(c);
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if (ft.always_noconv())
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{
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PRInt32 bytesWrit1 = PR_Write(mFileDesc, &ch, sizeof(ch));
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return bytesWrit1 < sizeof(ch) ? traits::eof() : c;
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}
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{ // <- sic!
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state_type fst;
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const char_type* end;
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char buf[4];
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char* ebuf;
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result conv;
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if ((conv=ft.out(fst, &ch, &ch+1, end, buf, buf+3, ebuf))==
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codecvt_base::noconv)
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{
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PRInt32 bytesWrit2 = PR_Write(mFileDesc, &ch, sizeof(ch));
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return bytesWrit2 < sizeof(ch) ? traits::eof() : c;
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}
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if ((conv==codecvt_base::partial)||(conv==codecvt_base::error))
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return traits::eof();
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*ebuf=0;
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PRInt32 bytesWrit3 = strlen(buf);
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return PR_Write(mFileDesc, buf, bytesWrit3) < bytesWrit3 ? traits_type::eof() : c;
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}
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}
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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inline nsFileBufferT<charT, traits>::int_type nsFileBufferT<charT, traits>::underflow()
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//----------------------------------------------------------------------------------------
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{
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if (!mFileDesc)
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return traits_type::eof();
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char_type s;
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PRInt32 request = 1;
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if (1 != PR_Read(mFileDesc, &s, request))
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return traits_type::eof();
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PR_Seek(mFileDesc, -1, PR_SEEK_CUR);
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return (int_type)s;
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}
|
||||
|
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//----------------------------------------------------------------------------------------
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template<class charT, class traits>
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streamsize nsFileBufferT<charT, traits>::xsputn(const char_type* s, streamsize n)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
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||||
#ifdef NS_EXPLICIT_FUNC_TEMPLATE_ARG
|
||||
const ofacet_type& ft=use_facet<ofacet_type>(loc);
|
||||
#else
|
||||
const ofacet_type& ft=use_facet(loc, (ofacet_type*)0);
|
||||
#endif
|
||||
if (!mFileDesc || !n)
|
||||
return 0;
|
||||
if (ft.always_noconv())
|
||||
{
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PRInt32 bytesWrit1 = PR_Write(mFileDesc, s, sizeof(char) * size_t(n));
|
||||
return bytesWrit1 < 0 ? 0 : (streamsize)bytesWrit1;
|
||||
}
|
||||
{ // <- sic!
|
||||
state_type fst;
|
||||
const char_type* end;
|
||||
char buf[8];
|
||||
char* ebuf;
|
||||
result conv;
|
||||
#ifdef NS_EXPLICIT_FUNC_TEMPLATE_ARG
|
||||
if ((conv=use_facet<ofacet_type>(loc).
|
||||
out(fst, s, s+n, end, buf, buf+7, ebuf))==codecvt_base::noconv)
|
||||
#else
|
||||
if ((conv=use_facet(loc, (ofacet_type*)0).
|
||||
out(fst, s, s+n, end, buf, buf+7, ebuf))==codecvt_base::noconv)
|
||||
#endif
|
||||
return (streamsize)PR_Write(mFileDesc, s, sizeof(char) * size_t(n));
|
||||
if ((conv==codecvt_base::partial) ||(conv==codecvt_base::error))
|
||||
return 0;
|
||||
*ebuf=0;
|
||||
PRInt32 bytesWrit2 = strlen(buf);
|
||||
bytesWrit2 = PR_Write(mFileDesc, buf, bytesWrit2);
|
||||
return bytesWrit2 < 0 ? 0 : streamsize(bytesWrit2 / sizeof(char_type));
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsFileBufferT<charT, traits>::int_type
|
||||
nsFileBufferT<charT, traits>::pbackfail(int_type c)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mFileDesc)
|
||||
return traits_type::eof();
|
||||
if (PR_Seek(mFileDesc, -1, PR_SEEK_CUR) < 0)
|
||||
return traits_type::eof();
|
||||
return (traits::eq_int_type(c, traits_type::eof())) ? traits::not_eof(c) : c;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsFileBufferT<charT, traits>::int_type nsFileBufferT<charT, traits>::uflow()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mFileDesc)
|
||||
return traits_type::eof();
|
||||
char_type s;
|
||||
if (1 != PR_Read(mFileDesc, &s, 1)) // attempt to read 1 byte, confirm 1 byte
|
||||
return traits_type::eof();
|
||||
return (int_type)s;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline streamsize nsFileBufferT<charT, traits>::xsgetn(char_type* s, streamsize n)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return mFileDesc ? (streamsize)PR_Read(mFileDesc, s, sizeof(char) * size_t(n)) : 0;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void nsFileBufferT<charT, traits>::imbue(const locale& loc_arg)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
loc = loc_arg;
|
||||
}
|
||||
|
||||
template<class charT, class traits>
|
||||
inline streamsize
|
||||
nsFileBufferT<charT, traits>::showmanyc()
|
||||
{
|
||||
return (streamsize)PR_Available(mFileDesc);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
nsFileBufferT<charT, traits>::pos_type nsFileBufferT<charT, traits>::seekoff(
|
||||
off_type off,
|
||||
ios_base::seekdir way,
|
||||
ios_base::openmode /* which */)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mFileDesc || ((way&ios_base::beg) && off<0) || ((way&ios_base::end) && off > 0))
|
||||
return pos_type(-1);
|
||||
PRSeekWhence poseek = PR_SEEK_CUR;
|
||||
switch (way)
|
||||
{
|
||||
case ios_base::beg : poseek= PR_SEEK_SET;
|
||||
break;
|
||||
case ios_base::end : poseek= PR_SEEK_END;
|
||||
break;
|
||||
}
|
||||
PRInt32 position = PR_Seek(mFileDesc, off, poseek);
|
||||
if (position < 0)
|
||||
return pos_type(-1);
|
||||
return pos_type(position);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
nsFileBufferT<charT, traits>::pos_type
|
||||
nsFileBufferT<charT, traits>::seekpos(pos_type sp, ios_base::openmode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mFileDesc || sp==pos_type(-1))
|
||||
return -1;
|
||||
PRInt32 position = PR_Seek(mFileDesc, sp.offset(), PR_SEEK_SET);
|
||||
if (position < 0)
|
||||
return pos_type(-1);
|
||||
return position;
|
||||
}
|
||||
|
||||
//========================================================================================
|
||||
// Implementation of nsInputFileStreamT
|
||||
//========================================================================================
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsInputFileStreamT<charT, traits>::nsInputFileStreamT()
|
||||
: basic_istream<charT, traits>(&mBuffer)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
// already inited
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsInputFileStreamT<charT, traits>::nsInputFileStreamT(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
: basic_istream<charT, traits>(&mBuffer)
|
||||
{
|
||||
// already inited
|
||||
if (!mBuffer.open(inFile, openmode(mode|in), accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsInputFileStreamT<charT, traits>::~nsInputFileStreamT()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsInputFileStreamT<charT, traits>::filebuf_type*
|
||||
nsInputFileStreamT<charT, traits>::rdbuf() const
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return (filebuf_type*)&mBuffer;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline bool
|
||||
nsInputFileStreamT<charT, traits>:: is_open()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return mBuffer.is_open();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void
|
||||
nsInputFileStreamT<charT, traits>::open(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.open(inFile, openmode(mode|in), accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void nsInputFileStreamT<charT, traits>::close()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.close())
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//========================================================================================
|
||||
// Implementation of nsOutputFileStreamT
|
||||
//========================================================================================
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsOutputFileStreamT<charT, traits>::nsOutputFileStreamT()
|
||||
: basic_ostream<charT, traits>(&mBuffer)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
// already inited
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
nsOutputFileStreamT<charT, traits>::nsOutputFileStreamT(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
: basic_ostream<charT, traits>(&mBuffer)
|
||||
{
|
||||
// already inited
|
||||
if (!mBuffer.open(inFile, openmode(mode|out), accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsOutputFileStreamT<charT, traits>::~nsOutputFileStreamT()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsOutputFileStreamT<charT, traits>::filebuf_type*
|
||||
nsOutputFileStreamT<charT, traits>::rdbuf() const
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return (filebuf_type*)&mBuffer;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline bool nsOutputFileStreamT<charT, traits>:: is_open()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return mBuffer.is_open();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void nsOutputFileStreamT<charT, traits>::open(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.open(inFile, openmode(mode | out), accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void nsOutputFileStreamT<charT, traits>:: close()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.close())
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//========================================================================================
|
||||
template<class charT, class traits>
|
||||
class nsIOFileStreamT : public basic_iostream<charT, traits>
|
||||
//========================================================================================
|
||||
{
|
||||
typedef nsFileBufferT<charT, traits> filebuf_type;
|
||||
|
||||
public:
|
||||
typedef charT char_type;
|
||||
typedef typename traits::pos_type pos_type;
|
||||
typedef typename traits::off_type off_type;
|
||||
typedef typename traits::int_type int_type;
|
||||
typedef traits traits_type;
|
||||
|
||||
nsIOFileStreamT();
|
||||
explicit nsIOFileStreamT(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode = ios_base::in|ios_base::out,
|
||||
PRIntn accessMode = 0x00600);
|
||||
|
||||
virtual ~nsIOFileStreamT();
|
||||
|
||||
filebuf_type* rdbuf() const;
|
||||
inline bool is_open();
|
||||
inline void open(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode = ios_base::in|ios_base::out,
|
||||
PRIntn accessMode = 0x00600);
|
||||
inline void close();
|
||||
|
||||
private:
|
||||
filebuf_type mBuffer;
|
||||
}; // class nsIOFileStreamT
|
||||
|
||||
//========================================================================================
|
||||
// Implementation of nsIOFileStream
|
||||
//========================================================================================
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsIOFileStreamT<charT, traits>::nsIOFileStreamT()
|
||||
//----------------------------------------------------------------------------------------
|
||||
: mBuffer(), basic_iostream<charT, traits>(&mBuffer)
|
||||
{
|
||||
// already inited
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsIOFileStreamT<charT, traits>::nsIOFileStreamT(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
: mBuffer(), basic_iostream<charT, traits>(&mBuffer)
|
||||
{
|
||||
// already inited
|
||||
if (!mBuffer.open(inFile, mode, accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
template<class charT, class traits>
|
||||
inline nsIOFileStreamT<charT, traits>::~nsIOFileStreamT()
|
||||
{
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline nsIOFileStreamT<charT, traits>::filebuf_type*
|
||||
nsIOFileStreamT<charT, traits>::rdbuf() const
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return (filebuf_type*)&mBuffer;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline bool
|
||||
nsIOFileStreamT<charT, traits>::is_open()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
return mBuffer.is_open();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void
|
||||
nsIOFileStreamT<charT, traits>::open(
|
||||
const nsUnixFilePath& inFile,
|
||||
ios_base::openmode mode,
|
||||
PRIntn accessMode)
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.open(inFile, mode, accessMode))
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
template<class charT, class traits>
|
||||
inline void
|
||||
nsIOFileStreamT<charT, traits>::close()
|
||||
//----------------------------------------------------------------------------------------
|
||||
{
|
||||
if (!mBuffer.close())
|
||||
setstate(failbit);
|
||||
}
|
||||
|
||||
//========================================================================================
|
||||
// Specializations of the stream templates
|
||||
//========================================================================================
|
||||
|
||||
typedef nsFileBufferT<char, char_traits<char> > nsFileBuffer;
|
||||
typedef nsInputFileStreamT<char, char_traits<char> > nsInputFileStream;
|
||||
typedef nsOutputFileStreamT<char, char_traits<char> > nsOutputFileStream;
|
||||
typedef nsIOFileStreamT<char, char_traits<char> > nsIOFileStream;
|
||||
|
||||
#ifdef NS_USING_WIDE_CHAR
|
||||
typedef nsFileBufferT<wchar_t, char_traits<wchar_t> > nsWideFileBuffer;
|
||||
typedef nsInputFileStreamT<wchar_t, char_traits<wchar_t> > nsWideInputFileStream;
|
||||
typedef nsOutputFileStreamT<wchar_t, char_traits<wchar_t> > nsWideOutputFileStream;
|
||||
typedef nsIOFileStreamT<wchar_t, char_traits<wchar_t> > nsWideIOFileStream;
|
||||
#endif // NS_USING_WIDE_CHAR
|
||||
|
||||
#endif /* _STREAM_H_ */
|
||||
|
||||
Reference in New Issue
Block a user