C++ Edit code Post: 302766189

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Top Forums Programming C++ Edit code Post 302766189 by Corona688 on Monday 4th of February 2013 10:36:28 AM

02-04-2013

Registered User

I see no point giving a different class to each kind of card when it could just as easily be done using a class variable. Adds so much extra code and complication to a simple problem. But as a teaching example, I suppose:

Code:

enum suit { HEART, CLUB, DIAMOND, SPADE, NONE };

class card
{
public:
        card(const char *_name, int _suit):name(_name), suit(_suit) { }

        const char *Name() { return(name); }
        int Suit() { return(suit); }
        // Has to be virtual if we want it to be overloaded
        virtual bool FaceCard() { return(false); }
private:
        const char *name;
        int suit;
};

class facecard
{
public:
        facecard(const char *_name, int _suit):card(_name,_suit) { }
        // Virtual, so this overloads the one in 'card'
        virtual bool FaceCard() { return(true); }
};

class deck
{
public:
        add(card *c) { cards.push_back(c); }
        card *pick(void) { cards.pop_back(); }
        void shuffle(int shuffled=1250)
        {
          int i, j, x;
          card *temp;
          for (x = 0; x < shuffled ; x++) // A big shuffle
          {
              for (i = 0; i < deck.size(); i++)
              {
                  j=rand() % 52;
                  temp = deck[i];
                  deck[i] = deck[j];
                  deck[j] = temp;
              }
          }
        }
private:
    vector<card *> cards;
};

int main(void)
{
        deck d;
        d.add(new facecard("King", CLUB));
}

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LEARN ABOUT LINUX

pcimodules

pcimodules(8)							Linux PCI Utilities						     pcimodules(8)

NAME

       pcimodules - List kernel driver modules available for all currently plugged in PCI devices

SYNOPSIS

       pcimodules [--classclass_id] [--classmaskmask] [--help]

DESCRIPTION

       pcimodules  lists  all  driver modules for all currently plugged in PCI devices.  pcimodules should be run at boot time, and whenever a PCI
       device is "hot plugged" into the system.  This can be done by the following Bourne shell syntax:

		   for module in $(pcimodules) ; do

			modprobe -s -k "$module"

		   done

       When a PCI device is removed from the system, the Linux kernel will decrement a usage count on PCI driver module.  If this count  drops	to
       zero  (i.e.,  there  are  no PCI drivers), then the modprobe -r process that is normally configured to run from cron every few minutes will
       eventually remove the unneeded module.

       The --class and --classmask arguments can be used to limit the search to certain classes of PCI devices.  This is useful, for  example,	to
       generate  a list of ethernet card drivers to be loaded when the kernel has indicated that it is trying to resolve an unknown network inter-
       face.

       Modules are listed in the order in which the PCI devices are physically arranged so that the computer owner can arrange things like  having
       scsi device 0 be on a controller that is not alphabetically the first scsi controller.

OPTIONS

       --class class --classmask mask

       --class	and  --classmask limit the search to PCI cards in particular classes.  These arguments are always used together.  The arguments to
       --class and --classmask can be given as hexadecimal numbers by prefixing a leading "0x".  Note that the classes used by pcimodules  are	in
       "Linux"	format,  meaning the class value that you see with lspci would be shifted left eight bits, with the new low eight bits programming
       interface ID.  An examples of how to use class and classmask is provided below.	--help, -h Print a help message and exit.

EXAMPLES

       pcimodules
	      lists all modules corresponding to currently plugged in PCI devices.

       pcimodules --class 0x20000 --classmask 0xffff00
	      lists all modules corresponding to currently plugged in ethernet PCI devices.

FILES

       /lib/modules/<kernel-version>/modules.pcimap
	      This file is automatically generated by depmod, and used by pcimodules to determine which modules correspond to which PCI ID's.

       /proc/bus/pci
	      An interface to PCI bus configuration space provided by the post-2.1.82 Linux kernels. Contains per-bus subdirectories with per-card
	      config space files and a devices file containing a list of all PCI devices.

SEE ALSO

       lspci(8)

MAINTAINER

       The Linux PCI Utilities are maintained by Martin Mares <mj@suse.cz>.

AUTHOR

       pcimodules was written by Adam J. Richter <adam@yggdrasil.com>, based on public domain example code by Martin Mares <mj@suse.cz>.

COPYRIGHT

       pcimodules  is  copyright 2000, Yggdrasil Computing, Incorporated, and may be copied under the terms and conditions of version 2 of the GNU
       General Public License as published by the Free Software Foundation (Cambridge, Massachusetts, United States of America).

pciutils-3.1.7							  31 January 2010						     pcimodules(8)