static int
json_parse_number(const unsigned char **ucp, const unsigned char *ue)
{
const unsigned char *uc = *ucp;
int got = 0;
DPRINTF("Parse number: ", uc, *ucp);
if (uc == ue)
return 0;
if (*uc == '-')
uc++;
for (; uc < ue; uc++) {
if (!json_isdigit(*uc))
break;
got = 1;
}
if (uc == ue)
goto out;
if (*uc == '.')
uc++;
for (; uc < ue; uc++) {
if (!json_isdigit(*uc))
break;
got = 1;
}
if (uc == ue)
goto out;
if (got && (*uc == 'e' || *uc == 'E')) {
uc++;
got = 0;
if (uc == ue)
goto out;
if (*uc == '+' || *uc == '-')
uc++;
for (; uc < ue; uc++) {
if (!json_isdigit(*uc))
break;
got = 1;
}
}
out:
if (!got)
DPRINTF("Bad number: ", uc, *ucp);
else
DPRINTF("Good number: ", uc, *ucp);
*ucp = uc;
return got;
}
static json_t *parse_value(stream_t *stream, size_t flags, json_error_t *error)
{
json_t *result = NULL;
char *string;
int c = stream_peek(stream);
switch (c) {
case 'd':
result = parse_dict(stream, flags, error);
break;
case 'l':
result = parse_list(stream, flags, error);
break;
case 'i':
stream_getc(stream);
result = parse_integer(stream, flags, error);
break;
case EOF:
error_set(error, stream, "unexpected EOF");
break;
default:
if (json_isdigit(c)) {
string = parse_string(stream, flags, error);
if (string) {
result = json_string_nocheck(string);
jsonp_free(string);
}
} else {
error_set(error, stream, "invalid character: %c", c);
}
}
return result;
}
static int validate_number(stream_t *stream, json_error_t *error)
{
/* strtol functions allow extra spaces before the number */
int c = stream_peek(stream);
if (c != '-' && !json_isdigit(c)) {
error_set(error, stream, "invalid number: %c", c);
return -1;
}
return 0;
}
static int
json_isxdigit(unsigned char uc)
{
if (json_isdigit(uc))
return 1;
switch (uc) {
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
return 1;
default:
return 0;
}
}
