diff -r 27e940e8e5f3 -r d64aaa7d146f as_crc.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/as_crc.h	Fri Nov 28 11:21:08 2008 +0100
@@ -0,0 +1,60 @@
+//
+//  OSSP asgui - Accounting system graphical user interface
+//  Copyright (c) 2002-2004 The OSSP Project (http://www.ossp.org/)
+//  Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>
+//  Copyright (c) 2002-2004 Michael Schloh von Bennewitz <michael@schloh.com>
+//  Copyright (c) 2002-2004 Cable & Wireless Telecommunications Services GmbH
+//
+//  This file is part of OSSP asgui, an accounting system graphical user
+//  interface which can be found at http://www.ossp.org/pkg/tool/asgui/.
+//
+//  Permission to use, copy, modify, and distribute this software for
+//  any purpose with or without fee is hereby granted, provided that
+//  the above copyright notice and this permission notice appear in all
+//  copies.
+//
+//  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+//  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+//  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+//  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+//  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+//  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+//  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+//  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+//  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+//  SUCH DAMAGE.
+//
+//  as_crc.h: ISO C++ interface
+//
+
+#ifndef CRC_H
+#define CRC_H
+
+#include <string>       // For copy constructor using string
+#include <qstring.h>    // For deriving from QString
+
+#include "as_gui.h"     // General definitions like U32 typedefs
+
+
+class Qualistring : public QString
+{
+private:
+    U32 m_pkHash[256];          // Used for CRC32 value generation
+
+private:
+    U32 mirrorBits(U32, U8);    // Helper method, mirror a bitstream
+    void initCrc(void);         // Helper method, fill hash table
+
+public:                                                                 // Constructors
+    Qualistring(void) : QString() {initCrc();};                          // Default
+    Qualistring(const QString &kCopy) : QString(kCopy) {initCrc();};     // Copy
+    Qualistring(const char *pkcCopy) : QString(pkcCopy) {initCrc();};    // Copy
+    Qualistring(const std::string &kCopy) : QString(kCopy) {initCrc();}; // Copy
+
+    U32 getCrc(void);                           // Generate and return a CRC32
+    Qualistring &operator=(const QString &);    // Overload equals operator
+};
+
+#endif // CRC_H