JValue::JValue(const char *str)
: m_input(str)
{
PJ_DBG_CXX_STR(std::cerr << "Have handle to string at " << (void*)m_input.c_str() << std::endl);
#if PBNJSON_ZERO_COPY_STL_STR
m_jval = jstring_create_nocopy(strToRawBuffer(m_input));
assert(jstring_get_fast(m_jval).m_str == m_input.c_str() || m_input.length() == 0);
assert(jstring_get_fast(m_jval).m_len == m_input.length());
#else
m_jval = jstring_create_utf8(m_input.c_str(), m_input.size());
#endif
}
const char * JValue::asCString() const
{
if (!isString()) {
return NULL;
}
raw_buffer backingBuffer = jstring_get_fast(m_jval);
return backingBuffer.m_str;
}
ConversionResultFlags JValue::asString(std::string &asStr) const
{
if (!isString()) {
return CONV_NOT_A_STRING;
}
raw_buffer backingBuffer = jstring_get_fast(m_jval);
if (backingBuffer.m_str == NULL) {
asStr = "";
return CONV_NOT_A_STRING;
}
asStr = std::string(backingBuffer.m_str, backingBuffer.m_len);
return CONV_OK;
}
/**
*******************************************************************************
* @brief Get the service name from a "ServceStatus" message. The name is
* allocated and should be freed.
*
* @param message IN message
*
* @retval name string on success
* @retval NULL on error
*******************************************************************************
*/
char*
LSTransportServiceStatusSignalGetServiceName(_LSTransportMessage *message)
{
JSchemaInfo schemaInfo;
jschema_info_init(&schemaInfo, jschema_all(), NULL, NULL);
LS_ASSERT(_LSTransportMessageGetType(message) == _LSTransportMessageTypeServiceDownSignal
|| _LSTransportMessageGetType(message) == _LSTransportMessageTypeServiceUpSignal);
char *service_name = NULL;
jvalue_ref service_name_obj = NULL;
const char *payload = _LSTransportMessageGetPayload(message);
if (!payload)
{
LOG_LS_ERROR(MSGID_LS_INVALID_JSON, 0, "Unable to get payload from message");
return NULL;
}
/* get the serviceName part of the JSON object */
jvalue_ref payload_json = jdom_parse(j_cstr_to_buffer(payload),
DOMOPT_NOOPT, &schemaInfo);
bool ret = jobject_get_exists(payload_json,
J_CSTR_TO_BUF(SERVICE_STATUS_SERVICE_NAME),
&service_name_obj);
if (ret)
{
raw_buffer service_name_buf = jstring_get_fast(service_name_obj);
service_name = g_strndup(service_name_buf.m_str, service_name_buf.m_len);
}
else
{
LOG_LS_ERROR(MSGID_LS_INVALID_JSON, 0, "Unable to get service name string from payload: %s", payload);
}
j_release(&payload_json);
return service_name;
}
//Helper function for jobject_to_string_append()
static bool key_value_to_string_append (jobject_key_value key_value, JStreamRef generating)
{
//jvalue_to_string_append is enough for the key if schema validation isn't needed.
//->o_key is called for validation.
//jvalue_to_string_append (key_value.key, generating);
if(generating->o_key(generating, jstring_deref(key_value.key)->m_data))
{
//Key was OK - now process the value.
if(UNLIKELY(!jvalue_to_string_append (key_value.value, generating)))
{
return false;
}
}
else
{
PJ_LOG_ERR("Schema validation error with key: '%s'", jstring_get_fast(key_value.key).m_str);
return false;
}
return true;
}
bool JValue::remove(const JValue &key)
{
if (!jis_string(key.m_jval))
return false;
return jobject_remove(m_jval, jstring_get_fast(key.m_jval));
}
static inline bool jsax_parse_inject_internal(JSAXContextRef ctxt, jvalue_ref key, jvalue_ref value)
{
assert (ctxt != NULL);
assert (value != NULL);
yajl_callbacks *cbs = ctxt->m_handlers;
raw_buffer str;
if (key) {
str = jstring_get_fast(key);
if (UNLIKELY(!cbs->yajl_map_key(ctxt, (const unsigned char *)str.m_str, str.m_len)))
return false;
}
switch (value->m_type) {
case JV_OBJECT:
{
jobject_key_value keyval;
if (UNLIKELY(!cbs->yajl_start_map(ctxt)))
return false;
for (jobject_iter i = jobj_iter_init(value); jobj_iter_is_valid(i); i = jobj_iter_next(i)) {
jobj_iter_deref(i, &keyval);
if (UNLIKELY(!jsax_parse_inject(ctxt, keyval.key, keyval.value)))
return false;
}
if (UNLIKELY(!cbs->yajl_end_map(ctxt)))
return false;
break;
}
case JV_ARRAY:
{
jvalue_ref item;
if (UNLIKELY(!cbs->yajl_start_array(ctxt)))
return false;
for (ssize_t i = jarray_size(value) - 1; i >= 0; i--) {
item = jarray_get(value, i);
if (UNLIKELY(!jsax_parse_inject(ctxt, NULL, item)))
return false;
}
if (UNLIKELY(!cbs->yajl_end_array(ctxt)))
return false;
break;
}
case JV_STR:
{
str = jstring_get_fast(value);
if (UNLIKELY(!cbs->yajl_string(ctxt, (const unsigned char *)str.m_str, str.m_len)))
return false;
break;
}
case JV_NUM:
{
assert (value->value.val_num.m_type == NUM_RAW);
// this numeric string should have come directly from a schema - we don't do any conversion internally.
// how did this state occur?
CHECK_CONDITION_RETURN_VALUE(value->value.val_num.m_type != NUM_RAW, false, "Some internal problem parsing schema");
str = jnumber_deref_raw(value);
if (UNLIKELY(!cbs->yajl_number(ctxt, str.m_str, str.m_len)))
return false;
break;
}
case JV_BOOL:
{
if (UNLIKELY(!cbs->yajl_boolean(ctxt, jboolean_deref(value))))
return false;
break;
}
case JV_NULL:
{
if (UNLIKELY(!cbs->yajl_null(ctxt)))
return false;
break;
}
default:
{
// how can this occur? - memory corruption?
PJ_SCHEMA_ERR("Internal error - schema is corrupt");
return false;
}
}
return true;
}
