void jsonValueToRapidJSON(JSONValue* value, rapidjson::Value& rapidValue, rapidjson::Document& document) {
JSONNull* nullValue = dynamic_cast<JSONNull*>(value);
if (nullValue) {
rapidValue.SetNull();
return;
}
JSONNumber* numberValue = dynamic_cast<JSONNumber*>(value);
if (numberValue) {
if (numberValue->canBeUInt64()) {
rapidValue.SetUint64(numberValue->getUInt64Value());
}
else if (numberValue->canBeInt64()) {
rapidValue.SetInt64(numberValue->getInt64Value());
}
else {
rapidValue.SetDouble(numberValue->getDoubleValue());
}
return;
}
JSONString* stringValue = dynamic_cast<JSONString*>(value);
if (stringValue) {
rapidValue.SetString(stringValue->getValue().c_str(), stringValue->getValue().size(), document.GetAllocator());
return;
}
JSONBool* boolValue = dynamic_cast<JSONBool*>(value);
if (boolValue) {
rapidValue.SetBool(boolValue->getValue());
return;
}
JSONArray* arrayValue = dynamic_cast<JSONArray*>(value);
if (arrayValue) {
rapidValue.SetArray();
std::vector<JSONValue::ref> values = arrayValue->getValues();
for (auto & value : values) {
rapidjson::Value obj;
jsonValueToRapidJSON(value.get(), obj, document);
rapidValue.PushBack(obj, document.GetAllocator());
}
return;
}
JSONObject* objectValue = dynamic_cast<JSONObject*>(value);
if (objectValue) {
rapidValue.SetObject();
typedef std::map<std::string, JSONValue::ref> ValuesMap;
ValuesMap values = objectValue->getValues();
for (auto & value : values) {
rapidjson::Value obj;
jsonValueToRapidJSON(value.second.get(), obj, document);
rapidjson::Value key;
key.SetString(value.first.c_str(), value.first.size(), document.GetAllocator());
rapidValue.AddMember(key, obj, document.GetAllocator());
}
return;
}
assert(false);
}
static bool
pyobj2doc(PyObject *object, rapidjson::Value& doc, rapidjson::Document& root)
{
if (PyBool_Check(object)) {
if (Py_True == object) {
doc.SetBool(true);
}
else {
doc.SetBool(false);
}
}
else if (Py_None == object) {
doc.SetNull();
}
else if (PyFloat_Check(object)) {
doc.SetDouble(PyFloat_AsDouble(object));
}
else if (PyInt_Check(object)) {
doc.SetInt64(PyLong_AsLong(object));
}
else if (PyString_Check(object)) {
doc.SetString(PyString_AsString(object), PyString_GET_SIZE(object));
}
else if (PyUnicode_Check(object)) {
PyObject *utf8_item = PyUnicode_AsUTF8String(object);
if (!utf8_item) {
PyErr_SetString(PyExc_RuntimeError, "codec error.");
return false;
}
#ifdef PY3
doc.SetString(PyBytes_AsString(utf8_item), PyBytes_GET_SIZE(utf8_item), root.GetAllocator());
#else
doc.SetString(PyString_AsString(utf8_item), PyString_GET_SIZE(utf8_item), root.GetAllocator());
#endif
Py_XDECREF(utf8_item);
}
else if (PyTuple_Check(object)) {
int len = PyTuple_Size(object), i;
doc.SetArray();
rapidjson::Value _v;
for (i = 0; i < len; ++i) {
PyObject *elm = PyTuple_GetItem(object, i);
if (false == pyobj2doc(elm, _v, root)) {
return false;
}
doc.PushBack(_v, root.GetAllocator());
}
}
else if (PyList_Check(object)) {
int len = PyList_Size(object), i;
doc.SetArray();
rapidjson::Value _v;
for (i = 0; i < len; ++i) {
PyObject *elm = PyList_GetItem(object, i);
if (false == pyobj2doc(elm, _v, root)) {
return false;
}
doc.PushBack(_v, root.GetAllocator());
}
}
else if (PyDict_Check(object)) {
doc.SetObject();
PyObject *key, *value;
Py_ssize_t pos = 0;
while (PyDict_Next(object, &pos, &key, &value)) {
if (false == pyobj2doc_pair(key, value, doc, root)) {
return false;
}
}
}
else {
PyErr_SetString(PyExc_RuntimeError, "invalid python object");
return false;
}
return true;
}
void tvalue2json(rapidjson::Value & output, const QVariant & input, rapidjson::Value::AllocatorType & allocator)
{
switch(input.type())
{
case QVariant::Invalid:
{
output.SetNull();
break;
}
case QVariant::Bool:
{
output.SetBool(input.toBool());
break;
}
case QVariant::Int:
{
output.SetInt64(input.toInt());
break;
}
case QVariant::LongLong:
{
output.SetInt64(input.toLongLong());
break;
}
case QVariant::Double:
{
output.SetDouble(input.toDouble());
break;
}
case QVariant::String:
{
QByteArray str = input.toString().toUtf8();
output.SetString(str.data(), str.size(), allocator);
break;
}
case QVariant::StringList:
{
QStringList list = input.toStringList();
output.SetArray();
output.Reserve(list.size(), allocator);
rapidjson::Value temp;
for(QStringList::const_iterator it = list.begin(); it != list.end(); ++it)
{
QByteArray str = it->toUtf8();
temp.SetString(str.data(), str.size(), allocator);
output.PushBack(temp, allocator);
}
break;
}
case QVariant::List:
{
QList<QVariant> list = input.toList();
output.SetArray();
output.Reserve(list.size(), allocator);
rapidjson::Value temp;
for(QList<QVariant>::const_iterator it = list.begin(); it != list.end(); ++it)
{
tvalue2json(temp, *it, allocator);
output.PushBack(temp, allocator);
}
break;
}
case QVariant::Map:
{
output.SetObject();
rapidjson::Value tempK, tempV;
QMap<QString, QVariant> qmap = input.toMap();
for(QMap<QString, QVariant>::const_iterator it = qmap.begin(); it != qmap.end(); ++it)
{
tvalue2json(tempK, it.key(), allocator);
tvalue2json(tempV, it.value(), allocator);
output.AddMember(tempK, tempV, allocator);
}
break;
}
case QVariant::Point:
{
QPoint pt = input.toPoint();
output.SetArray();
output.Reserve(2, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
break;
}
case QVariant::PointF:
{
QPointF pt = input.toPointF();
output.SetArray();
output.Reserve(2, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
break;
}
case QVariant::Size:
{
QSize pt = input.toSize();
output.SetArray();
output.Reserve(2, allocator);
output.PushBack(pt.width(), allocator);
output.PushBack(pt.height(), allocator);
break;
}
case QVariant::SizeF:
{
QSizeF pt = input.toSizeF();
output.SetArray();
output.Reserve(2, allocator);
output.PushBack(pt.width(), allocator);
output.PushBack(pt.height(), allocator);
break;
}
case QVariant::Rect:
{
QRect pt = input.toRect();
output.SetArray();
output.Reserve(4, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
output.PushBack(pt.width(), allocator);
output.PushBack(pt.height(), allocator);
break;
}
case QVariant::RectF:
{
QRectF pt = input.toRectF();
output.SetArray();
output.Reserve(4, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
output.PushBack(pt.width(), allocator);
output.PushBack(pt.height(), allocator);
break;
}
case QVariant::Vector2D:
{
QVector2D pt = input.value<QVector2D>();
output.SetArray();
output.Reserve(2, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
break;
}
case QVariant::Vector3D:
{
QVector3D pt = input.value<QVector3D>();
output.SetArray();
output.Reserve(3, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
output.PushBack(pt.z(), allocator);
break;
}
case QVariant::Vector4D:
{
QVector4D pt = input.value<QVector4D>();
output.SetArray();
output.Reserve(4, allocator);
output.PushBack(pt.x(), allocator);
output.PushBack(pt.y(), allocator);
output.PushBack(pt.z(), allocator);
output.PushBack(pt.w(), allocator);
break;
}
case QVariant::Color:
{
QColor pt = input.value<QColor>();
output.SetArray();
output.Reserve(4, allocator);
output.PushBack(pt.red(), allocator);
output.PushBack(pt.green(), allocator);
output.PushBack(pt.blue(), allocator);
output.PushBack(pt.alpha(), allocator);
break;
}
default:
{
output.SetNull();
assert(false && "shuldn't execute to here.");
}
}
}