bool TestExtString::test_trim() {
VS(f_trim(" abc "), "abc");
return Count(true);
}
Variant HHVM_FUNCTION(json_decode, const String& json, bool assoc /* = false */,
int64_t depth /* = 512 */, int64_t options /* = 0 */) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
if (json.empty()) {
return init_null();
}
const int64_t supported_options =
k_JSON_FB_LOOSE |
k_JSON_FB_COLLECTIONS |
k_JSON_FB_STABLE_MAPS |
k_JSON_BIGINT_AS_STRING;
int64_t parser_options = options & supported_options;
Variant z;
if (JSON_parser(z, json.data(), json.size(), assoc, depth, parser_options)) {
return z;
}
String trimmed = f_trim(json, "\t\n\r ");
if (trimmed.size() == 4) {
if (!strcasecmp(trimmed.data(), "null")) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
return init_null();
}
if (!strcasecmp(trimmed.data(), "true")) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
return true;
}
} else if (trimmed.size() == 5 && !strcasecmp(trimmed.data(), "false")) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
return false;
}
int64_t p;
double d;
DataType type = json.get()->isNumericWithVal(p, d, 0);
if (type == KindOfInt64) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
return p;
} else if (type == KindOfDouble) {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
if ((options & k_JSON_BIGINT_AS_STRING) &&
(json.toInt64() == LLONG_MAX || json.toInt64() == LLONG_MIN)
&& errno == ERANGE) { // Overflow
bool is_float = false;
for (int i = (trimmed[0] == '-' ? 1 : 0); i < trimmed.size(); ++i) {
if (trimmed[i] < '0' || trimmed[i] > '9') {
is_float = true;
break;
}
}
if (!is_float) {
return trimmed;
}
}
return d;
}
char ch0 = json.charAt(0);
if (json.size() > 1 && ch0 == '"' && json.charAt(json.size() - 1) == '"') {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
// Wrap the string in an array to allow the JSON_parser to handle
// things like unicode escape sequences, then unwrap to get result
String wrapped("[");
wrapped += json + "]";
// Stick to a normal hhvm array for the wrapper
const int64_t mask = ~(k_JSON_FB_COLLECTIONS | k_JSON_FB_STABLE_MAPS);
if (JSON_parser(z, wrapped.data(), wrapped.size(), false, depth,
parser_options & mask) && z.isArray()) {
Array arr = z.toArray();
if ((arr.size() == 1) && arr.exists(0)) {
return arr[0];
}
// The input string could be something like: "foo","bar"
// Which will parse inside the [] wrapper, but be invalid
json_set_last_error_code(json_error_codes::JSON_ERROR_SYNTAX);
}
}
if ((options & k_JSON_FB_LOOSE) && json.size() > 1 &&
ch0 == '\'' && json.charAt(json.size() - 1) == '\'') {
json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);
return json.substr(1, json.size() - 2);
}
assert(json_get_last_error_code() != json_error_codes::JSON_ERROR_NONE);
return init_null();
}
