as_sfile.cpp

Fri, 05 Dec 2008 23:14:02 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 05 Dec 2008 23:14:02 +0100
changeset 3
c1941114ca88
parent 1
d64aaa7d146f
child 12
ceb4ba3d2d00
permissions
-rw-r--r--

Port to the Qt4 API and bump version pending release engineering.

michael@1 1 //
michael@1 2 // OSSP asgui - Accounting system graphical user interface
michael@3 3 // Copyright (c) 2002-2008 The OSSP Project (http://www.ossp.org/)
michael@3 4 // Copyright (c) 2002-2008 Ralf S. Engelschall <rse@engelschall.com>
michael@3 5 // Copyright (c) 2002-2008 Michael Schloh von Bennewitz <michael@schloh.com>
michael@3 6 // Copyright (c) 2002-2008 Cable & Wireless Telecommunications Services GmbH
michael@1 7 //
michael@1 8 // This file is part of OSSP asgui, an accounting system graphical user
michael@3 9 // interface which can be found at http://asgui.europalab.com/.
michael@1 10 //
michael@1 11 // Permission to use, copy, modify, and distribute this software for
michael@1 12 // any purpose with or without fee is hereby granted, provided that
michael@1 13 // the above copyright notice and this permission notice appear in all
michael@1 14 // copies.
michael@1 15 //
michael@1 16 // THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
michael@1 17 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
michael@1 18 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@1 19 // IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
michael@1 20 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@1 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@1 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
michael@1 23 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
michael@1 24 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
michael@1 25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
michael@1 26 // OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@1 27 // SUCH DAMAGE.
michael@1 28 //
michael@1 29 // as_sfile.cpp: ISO C++ implementation
michael@1 30 //
michael@1 31
michael@1 32 #include "as_sfile.h"
michael@1 33 #include "as_except.h"
michael@1 34
michael@3 35 //Added by qt3to4:
michael@3 36 #include <Q3TextStream>
michael@3 37
michael@1 38
michael@1 39 //
michael@1 40 // Serialize a backup of an incoming file object
michael@1 41 //
michael@1 42 void Simplefile::makeBackup(void)
michael@1 43 {
michael@1 44 QFile Filein; // Input readonly file
michael@1 45 QFile Filebak; // Backup writeonly file
michael@1 46 QString Fname; // Filename of input file
michael@3 47 Q3TextStream Streamin; // Stream to read from (Filein)
michael@3 48 Q3TextStream Streambak; // Stream to write to (Filebak)
michael@1 49
michael@1 50 try {
michael@1 51 if(!this->exists()) // Conditionally short circuit if
michael@1 52 return; // file to backup does not exist
michael@1 53 Fname = this->name(); // Copy filename from original
michael@1 54 Filein.setName(Fname); // Set filename of original
michael@3 55 Filein.open(QIODevice::ReadOnly); // Open original read-only
michael@1 56 Filebak.setName(Fname + ".bak"); // Set filename of backup
michael@3 57 Filebak.open(QIODevice::WriteOnly); // Open backup write-only
michael@1 58 Streamin.setDevice(&Filein); // Set incoming stream
michael@1 59 Streambak.setDevice(&Filebak); // Set outgoing stream
michael@1 60 Streambak << Streamin.read(); // Do actual writing
michael@1 61 Filein.close(); // Close original
michael@1 62 Filebak.close(); // Close backup
michael@1 63 }
michael@1 64 catch (Genexcept& Genex) {
michael@1 65 Genex.reportErr();
michael@1 66 }
michael@1 67 }

mercurial