1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/as_sfile.cpp Fri Nov 28 11:21:08 2008 +0100
1.3 @@ -0,0 +1,64 @@
1.4 +//
1.5 +// OSSP asgui - Accounting system graphical user interface
1.6 +// Copyright (c) 2002-2004 The OSSP Project (http://www.ossp.org/)
1.7 +// Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>
1.8 +// Copyright (c) 2002-2004 Michael Schloh von Bennewitz <michael@schloh.com>
1.9 +// Copyright (c) 2002-2004 Cable & Wireless Telecommunications Services GmbH
1.10 +//
1.11 +// This file is part of OSSP asgui, an accounting system graphical user
1.12 +// interface which can be found at http://www.ossp.org/pkg/tool/asgui/.
1.13 +//
1.14 +// Permission to use, copy, modify, and distribute this software for
1.15 +// any purpose with or without fee is hereby granted, provided that
1.16 +// the above copyright notice and this permission notice appear in all
1.17 +// copies.
1.18 +//
1.19 +// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
1.20 +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
1.21 +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1.22 +// IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
1.23 +// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.24 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.25 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
1.26 +// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
1.27 +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
1.28 +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
1.29 +// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.30 +// SUCH DAMAGE.
1.31 +//
1.32 +// as_sfile.cpp: ISO C++ implementation
1.33 +//
1.34 +
1.35 +#include "as_sfile.h"
1.36 +#include "as_except.h"
1.37 +
1.38 +
1.39 +//
1.40 +// Serialize a backup of an incoming file object
1.41 +//
1.42 +void Simplefile::makeBackup(void)
1.43 +{
1.44 + QFile Filein; // Input readonly file
1.45 + QFile Filebak; // Backup writeonly file
1.46 + QString Fname; // Filename of input file
1.47 + QTextStream Streamin; // Stream to read from (Filein)
1.48 + QTextStream Streambak; // Stream to write to (Filebak)
1.49 +
1.50 + try {
1.51 + if(!this->exists()) // Conditionally short circuit if
1.52 + return; // file to backup does not exist
1.53 + Fname = this->name(); // Copy filename from original
1.54 + Filein.setName(Fname); // Set filename of original
1.55 + Filein.open(IO_ReadOnly); // Open original read-only
1.56 + Filebak.setName(Fname + ".bak"); // Set filename of backup
1.57 + Filebak.open(IO_WriteOnly); // Open backup write-only
1.58 + Streamin.setDevice(&Filein); // Set incoming stream
1.59 + Streambak.setDevice(&Filebak); // Set outgoing stream
1.60 + Streambak << Streamin.read(); // Do actual writing
1.61 + Filein.close(); // Close original
1.62 + Filebak.close(); // Close backup
1.63 + }
1.64 + catch (Genexcept& Genex) {
1.65 + Genex.reportErr();
1.66 + }
1.67 +}
