/**
* If the first none space character is a quotation mark, returns the string
* between two quotation marks, else returns the content before the first comma.
* Updates *p_cur.
*/
static char *nextTok(char **p_cur)
{
char *ret = NULL;
skipWhiteSpace(p_cur);
if (*p_cur == NULL) {
ret = NULL;
} else if (**p_cur == '"') {
enum State {END, NORMAL, ESCAPE} state = NORMAL;
(*p_cur)++;
ret = *p_cur;
while (state != END) {
switch (state) {
case NORMAL:
switch (**p_cur) {
case '\\':
state = ESCAPE;
break;
case '"':
state = END;
break;
case '\0':
/*
* Error case, parsing string is not quoted by ending
* double quote, e.g. "bla bla, this function expects input
* string to be NULL terminated, so that the loop can exit.
*/
ret = NULL;
goto exit;
default:
/* Stays in normal case. */
break;
}
break;
case ESCAPE:
state = NORMAL;
break;
default:
/* This should never happen. */
break;
}
if (state == END) {
**p_cur = '\0';
}
(*p_cur)++;
}
skipNextComma(p_cur);
} else {
ret = strsep(p_cur, ",");
}
exit:
return ret;
}
static char * nextTok(char **p_cur)
{
char *ret = NULL;
skipWhiteSpace(p_cur);
if (*p_cur == NULL) {
ret = NULL;
} else if (**p_cur == '"') {
(*p_cur)++;
ret = strsep(p_cur, "\"");
skipNextComma(p_cur);
} else {
ret = strsep(p_cur, ",");
}
return ret;
}
