As-gui Sources / file revision

 //

 //  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