void
loop() {
char op = 0;
int pri = 0;
while(1) {
op = skip_spaces();
switch (op) {
case EOF:
return;
break;
case 'p':
//Pop an element off of the queue.
if (queue_pop(&Queue, &pri) == 2) {
printf("!! Queue underflow.\n");
} else {
printf("=> %d\n", pri);
}
break;
default:
ungetc(op, stdin);
if (scanf("%d", &pri) == 1) {
//Insert the read priority into the queue.
if (queue_push(&Queue, pri) == 1) {
printf("!! Queue overflow.\n");
}
} else {
skip_until_space();
printf("Invalid input!\n");
}
}
}
}
static PyObject *
typecast_MXINTERVAL_cast(const char *str, Py_ssize_t len, PyObject *curs)
{
long years = 0, months = 0, days = 0, denominator = 1;
double hours = 0.0, minutes = 0.0, seconds = 0.0, hundredths = 0.0;
double v = 0.0, sign = 1.0;
int part = 0;
if (str == NULL) { Py_RETURN_NONE; }
Dprintf("typecast_MXINTERVAL_cast: s = %s", str);
while (*str) {
switch (*str) {
case '-':
sign = -1.0;
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
v = v * 10.0 + (double)(*str - '0');
Dprintf("typecast_MXINTERVAL_cast: v = %f", v);
if (part == 6){
denominator *= 10;
Dprintf("typecast_MXINTERVAL_cast: denominator = %ld",
denominator);
}
break;
case 'y':
if (part == 0) {
years = (long)(v*sign);
str = skip_until_space(str);
Dprintf("typecast_MXINTERVAL_cast: years = %ld, rest = %s",
years, str);
v = 0.0; sign = 1.0; part = 1;
}
break;
case 'm':
if (part <= 1) {
months = (long)(v*sign);
str = skip_until_space(str);
Dprintf("typecast_MXINTERVAL_cast: months = %ld, rest = %s",
months, str);
v = 0.0; sign = 1.0; part = 2;
}
break;
case 'd':
if (part <= 2) {
days = (long)(v*sign);
str = skip_until_space(str);
Dprintf("typecast_MXINTERVAL_cast: days = %ld, rest = %s",
days, str);
v = 0.0; sign = 1.0; part = 3;
}
break;
case ':':
if (part <= 3) {
hours = v;
Dprintf("typecast_MXINTERVAL_cast: hours = %f", hours);
v = 0.0; part = 4;
}
else if (part == 4) {
minutes = v;
Dprintf("typecast_MXINTERVAL_cast: minutes = %f", minutes);
v = 0.0; part = 5;
}
break;
case '.':
if (part == 5) {
seconds = v;
Dprintf("typecast_MXINTERVAL_cast: seconds = %f", seconds);
v = 0.0; part = 6;
}
break;
default:
break;
}
str++;
}
/* manage last value, be it minutes or seconds or hundredths of a second */
if (part == 4) {
minutes = v;
Dprintf("typecast_MXINTERVAL_cast: minutes = %f", minutes);
}
else if (part == 5) {
seconds = v;
Dprintf("typecast_MXINTERVAL_cast: seconds = %f", seconds);
}
else if (part == 6) {
hundredths = v;
Dprintf("typecast_MXINTERVAL_cast: hundredths = %f", hundredths);
hundredths = hundredths/denominator;
Dprintf("typecast_MXINTERVAL_cast: fractions = %.20f", hundredths);
}
/* calculates seconds */
if (sign < 0.0) {
seconds = - (hundredths + seconds + minutes*60 + hours*3600);
}
else {
seconds += hundredths + minutes*60 + hours*3600;
}
/* calculates days */
days += years*365 + months*30;
Dprintf("typecast_MXINTERVAL_cast: days = %ld, seconds = %f",
days, seconds);
return mxDateTime.DateTimeDelta_FromDaysAndSeconds(days, seconds);
}
