int main(int argc, char** argv) {
//argument format <quizname> <question> <answer> <norepeat(Y)>
srand(time(NULL));
setCommandArgs(argc, argv);
if(argc > 1)
{
if(strcmp(argv[1], "listquiz") == 0)
{
printQuizFiles();
freeMemory();
return (EXIT_SUCCESS);
}
}
selectQuizFile();
freeMemory();
return (EXIT_SUCCESS);
}
Command* makeCommand()
{
char buffer[1024];
int i = 0;
char ch,*ptr;
printf("%%");fflush(stdout);
while(i < sizeof(buffer) && (ch = getchar()) != '\n' && ch != EOF)
buffer[i++] = ch;
buffer[i] = 0;
ptr = buffer+i-1;
while(ptr>=buffer && isspace(*ptr)) ptr--,i--;
*++ptr = 0;
Command* c = allocCommand(ptr);
if(ch==EOF)
return setCommand(c,exitCMD,"exit");
else {
int mode = R_NONE;
char input[1024];
char output[1024];
*input = *output = 0;
int len = strlen(buffer);
int ok = extractRedirect(buffer,&len,&mode,input,output);
c->_mode = mode;
c->_input = strdup(input);
c->_output = strdup(output);
len = trimString(buffer,len);
if (ok) {
char* sc = skipWS(buffer);
char* ec = cutWord(sc);
if (strcmp(sc,"cd")==0) {
char* a0 = skipWS(ec);
char* a1 = cutWord(a0);
return setCommand(c,cdCMD,sc);
} else if (strcmp(sc,"pwd")==0) {
return setCommand(c,pwdCMD,sc);
} else if (strcmp(sc,"ln") == 0) {
char* a0 = skipWS(ec);
char* a1 = skipWS(cutWord(a0));
char* a2 = cutWord(a1);
char* args[2] = {a0,a1};
return setCommandArgs(setCommand(c,linkCMD,sc),2,args);
} else if (strcmp(sc,"rm") == 0) {
char* a0 = skipWS(ec);
char* a1 = cutWord(a0);
char* args[1] = {a0};
return setCommandArgs(setCommand(c,rmCMD,sc),1,args);
} else if (strcmp(sc,"exit") == 0) {
return setCommand(c,exitCMD,sc);
} else {
if (*sc) {
if (strchr(ec,'|') != NULL) {
// This is a pipeline.
char* args[512];
Stage* stages[512];
int nbs = 0;
args[0] = sc;
char* arg = skipWS(ec);
int nba = 1;
setCommand(c,pipelineCMD,"");
while(arg && *arg) {
char* p = *arg == '|' ? arg : 0;
if (p) {
*p = 0;
addCommandStage(c,allocStage(nba,args));
args[0] = arg = skipWS(p+1);
arg = cutWord(arg);
nba = 1;
} else {
args[nba++] = arg;
arg = skipWS(cutWord(arg));
}
}
return addCommandStage(c,allocStage(nba,args));
} else {
char* args[1024];
args[0] = sc;
char* arg = ec;
int nba = 1;
while(arg && *arg) {
args[nba++] = arg;
arg = skipWS(cutWord(arg));
assert(nba < 1024);
}
return setCommandArgs(setCommand(c,basicCMD,args[0]),nba,args);
}
}
}
}
return c;
}
}
