michael@1: //
michael@1: //  OSSP asgui - Accounting system graphical user interface
michael@12: //  Copyright (c) 2002-2009 The OSSP Project (http://www.ossp.org/)
michael@12: //  Copyright (c) 2002-2009 Ralf S. Engelschall <rse@engelschall.com>
michael@12: //  Copyright (c) 2002-2009 Michael Schloh von Bennewitz <michael@schloh.com>
michael@12: //  Copyright (c) 2002-2009 Cable & Wireless Telecommunications Services GmbH
michael@1: //
michael@1: //  This file is part of OSSP asgui, an accounting system graphical user
michael@3: //  interface which can be found at http://asgui.europalab.com/.
michael@1: //
michael@1: //  Permission to use, copy, modify, and distribute this software for
michael@1: //  any purpose with or without fee is hereby granted, provided that
michael@1: //  the above copyright notice and this permission notice appear in all
michael@1: //  copies.
michael@1: //
michael@1: //  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
michael@1: //  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
michael@1: //  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@1: //  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
michael@1: //  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@1: //  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@1: //  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
michael@1: //  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
michael@1: //  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
michael@1: //  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
michael@1: //  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@1: //  SUCH DAMAGE.
michael@1: //
michael@1: //  as_sfile.cpp: ISO C++ implementation
michael@1: //
michael@1: 
michael@1: #include "as_sfile.h"
michael@1: #include "as_except.h"
michael@1: 
michael@3: //Added by qt3to4:
michael@3: #include <Q3TextStream>
michael@3: 
michael@1: 
michael@1: //
michael@1: // Serialize a backup of an incoming file object
michael@1: //
michael@1: void Simplefile::makeBackup(void)
michael@1: {
michael@1:     QFile Filein;           // Input readonly file
michael@1:     QFile Filebak;          // Backup writeonly file
michael@1:     QString Fname;          // Filename of input file
michael@3:     Q3TextStream Streamin;   // Stream to read from (Filein)
michael@3:     Q3TextStream Streambak;  // Stream to write to (Filebak)
michael@1: 
michael@1:     try {
michael@1:         if(!this->exists())                 // Conditionally short circuit if
michael@1:             return;                         // file to backup does not exist
michael@1:         Fname = this->name();               // Copy filename from original
michael@1:         Filein.setName(Fname);              // Set filename of original
michael@3:         Filein.open(QIODevice::ReadOnly);           // Open original read-only
michael@1:         Filebak.setName(Fname + ".bak");    // Set filename of backup
michael@3:         Filebak.open(QIODevice::WriteOnly);         // Open backup write-only
michael@1:         Streamin.setDevice(&Filein);        // Set incoming stream
michael@1:         Streambak.setDevice(&Filebak);      // Set outgoing stream
michael@1:         Streambak << Streamin.read();       // Do actual writing
michael@1:         Filein.close();                     // Close original
michael@1:         Filebak.close();                    // Close backup
michael@1:     }
michael@1:     catch (Genexcept& Genex) {
michael@1:         Genex.reportErr();
michael@1:     }
michael@1: }