一个c++写的发牌程序

　　可以显示一、二、三、四家的牌，主要是为了训练我的牌感(记牌的能力),对有志于赌博或者桥牌事业的同志可能还有点用，编译为bd.exe,使用方法输入"bd -h"看帮助。

　　以下是源代码(处理命令行参数的代码参考了vim):

#include
#include
#include
#include
using namespace std;

#include
#include
#include

static char program_name[]="bd";
#define THE_VERSION "0.1"

namespace info{
enum { WEST=0,NORTH=1,EAST=2,SOUTH=3,};
};
static char* deno[]={"Spade","Heart","Diamond","Cotton",};
static char card_symbol[]="23456789TJQKA";

// p - pointer to argument
// idx - index in argument
// default value
static int
get_number_arg(char* p,int def)
{
if (isdigit(*p))
{
def = atoi(p);
}
return def;
}

static void
print_help()
{
cout<<"Usage: "< cout<<"Bridge Dealer"< cout<<"Example: "< cout< cout<<" -p number of players, value ranges from 1 to 4"< cout<<" \""< cout<<" -v,--version print version information and exit"< cout<<" -h,--help display this help and exit"< cout< exit(0);
}

static void
print_version()
{
cout<#define BS_UNKNOWN_OPTION 0
"Too many arguments",
#define BS_TOO_MANY_ARGS 1
"Argument missing after",
#define BS_ARG_MISSING 2
"Garbage after option",
#define BS_GARBAGE 3
"Too many extra commands",
#define BS_EXTRA_CMD 4
"Invalid argument for",
#define BS_INVALID_ARG 5
};
//error message routines---------------end

int
main(int argc, char** argv)
{
int argv_idx = 1; /* active option letter is argv[0][argv_idx] */
int players=1;
int number_of_deals=1;
bool want_argument=false;

while(argc>0)
{
if(argv[0][0]=='-')
{
char c=argv[0][argv_idx++];
switch(c)
{
case 0:
//do nothing
argv_idx=-1;
break;
case '-': // "--" don't take any more options
if(strcmp(argv[0]+argv_idx,"version")==0){
print_version();
}
else if(strcmp(argv[0]+argv_idx,"help")==0){
print_help();
}
argv_idx=-1;
break;
case 'h':
print_help();
break;
case 'v':
print_version();
break;
case 'p': // 1,2,3,4 players, default 1
if (argv[0][argv_idx]){ // "-p{tag}"
players=get_number_arg(argv[0]+argv_idx,1);
argv_idx=-1;
}
else{ // "-p {tag}"
want_argument=true;
}
break;
case 'n': //number of deals, default 1
if (argv[0][argv_idx]){ // "-n{tag}"
number_of_deals=get_number_arg(argv[0]+argv_idx,1);
if(number_of_deals<=0) number_of_deals=1;
argv_idx=-1;
}
else{ // "-n {tag}"
want_argument=true;
}
break;
default:
break;
}


//handle options with argument
if(want_argument)
{
if (argv[0][argv_idx]){
cerr< exit(1);
}

--argc;
if (argc<1){
cerr< exit(1);
}
++argv;
argv_idx = -1;

switch(c)
{
case 'p':
players=get_number_arg(argv[0],1);
argv_idx=-1;
break;
case 'n':
number_of_deals=get_number_arg(argv[0],1);
if(number_of_deals<=0) number_of_deals=1;
argv_idx=-1;
break;
default:
; //impossible
}
}

}
else{
argv_idx=-1;//do nothing
}
// If there are no more letters after the current "-", go to next
// argument. argv_idx is set to -1 when the current argument is to be
// skipped.
if (argv_idx <= 0 　　 argv[0][argv_idx] == 0)
{
--argc;
++argv;
argv_idx = 1;
}
}
//init
srand(time(0));

//original card
//value: spade, 0-12; heart, 13-25; diamond 26-38; cotton 39-51;
//array index: west, 0-12; north, 13-25; east 26-38; south 39-51;
const int dim=52;
int cards[dim];

for(int i=0;i {
cards[i]=i;
}
vector h(dim);
h.assign(cards,cards+dim);

//redeal
bool need_id=number_of_deals>1;
for(int k=0;k {
random_shuffle(h.begin(),h.end());
sort(h.begin()+info::WEST*13,h.begin()+info::WEST*13+13);
sort(h.begin()+info::NORTH*13,h.begin()+info::NORTH*13+13);
sort(h.begin()+info::EAST*13,h.begin()+info::EAST*13+13);
sort(h.begin()+info::SOUTH*13,h.begin()+info::SOUTH*13+13);

//dump
if(need_id){
cout<<"ID: "< }
switch(players)
{
case 1:
dump_one_hand(h.begin()+info::SOUTH*13);
break;
case 2:
dump_two_hands(h.begin()+info::EAST*13,h.begin()+info::WEST*13,26);
break;
case 3:
dump_one_hand(h.begin()+info::NORTH*13,26);
dump_one_hand(h.begin()+info::EAST*13);
dump_one_hand(h.begin()+info::SOUTH*13,26);
break;
case 4:
dump_one_hand(h.begin()+info::NORTH*13,26);
dump_two_hands(h.begin()+info::EAST*13,h.begin()+info::WEST*13,26);
dump_one_hand(h.begin()+info::SOUTH*13,26);
break;
default:
;//impossible
}
cout< }
return 0;
}