static PassRefPtr<JSONValue> v8ToJSONValue(v8::Handle<v8::Value> value, int maxDepth, v8::Isolate* isolate)
{
if (value.IsEmpty()) {
ASSERT_NOT_REACHED();
return 0;
}
if (!maxDepth)
return 0;
maxDepth--;
if (value->IsNull() || value->IsUndefined())
return JSONValue::null();
if (value->IsBoolean())
return JSONBasicValue::create(value->BooleanValue());
if (value->IsNumber())
return JSONBasicValue::create(value->NumberValue());
if (value->IsString())
return JSONString::create(toCoreString(value.As<v8::String>()));
if (value->IsArray()) {
v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
RefPtr<JSONArray> inspectorArray = JSONArray::create();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> value = array->Get(v8::Int32::New(isolate, i));
RefPtr<JSONValue> element = v8ToJSONValue(value, maxDepth, isolate);
if (!element)
return 0;
inspectorArray->pushValue(element);
}
return inspectorArray;
}
if (value->IsObject()) {
RefPtr<JSONObject> jsonObject = JSONObject::create();
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(isolate, i));
// FIXME(yurys): v8::Object should support GetOwnPropertyNames
if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
continue;
RefPtr<JSONValue> propertyValue = v8ToJSONValue(object->Get(name), maxDepth, isolate);
if (!propertyValue)
return 0;
V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<WithNullCheck>, nameString, name, 0);
jsonObject->setValue(nameString, propertyValue);
}
return jsonObject;
}
ASSERT_NOT_REACHED();
return 0;
}
static PassRefPtr<InspectorValue> v8ToInspectorValue(v8::Handle<v8::Value> value, int maxDepth)
{
if (value.IsEmpty()) {
ASSERT_NOT_REACHED();
return 0;
}
if (!maxDepth)
return 0;
maxDepth--;
if (value->IsNull() || value->IsUndefined())
return InspectorValue::null();
if (value->IsBoolean())
return InspectorBasicValue::create(value->BooleanValue());
if (value->IsNumber())
return InspectorBasicValue::create(value->NumberValue());
if (value->IsString())
return InspectorString::create(toWebCoreString(value));
if (value->IsArray()) {
v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> value = array->Get(v8::Int32::New(i));
RefPtr<InspectorValue> element = v8ToInspectorValue(value, maxDepth);
if (!element)
return 0;
inspectorArray->pushValue(element);
}
return inspectorArray;
}
if (value->IsObject()) {
RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(i));
// FIXME(yurys): v8::Object should support GetOwnPropertyNames
if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
continue;
RefPtr<InspectorValue> propertyValue = v8ToInspectorValue(object->Get(name), maxDepth);
if (!propertyValue)
return 0;
inspectorObject->setValue(toWebCoreStringWithNullCheck(name), propertyValue);
}
return inspectorObject;
}
ASSERT_NOT_REACHED();
return 0;
}
static bool FillShapeValueBoolean (TRI_shaper_t* shaper, TRI_shape_value_t* dst, v8::Handle<v8::BooleanObject> json) {
TRI_shape_boolean_t* ptr;
dst->_type = TRI_SHAPE_BOOLEAN;
dst->_sid = shaper->_sidBoolean;
dst->_fixedSized = true;
dst->_size = sizeof(TRI_shape_boolean_t);
dst->_value = (char*)(ptr = (TRI_shape_boolean_t*) TRI_Allocate(shaper->_memoryZone, dst->_size, true));
if (dst->_value == NULL) {
return false;
}
*ptr = json->BooleanValue() ? 1 : 0;
return true;
}
QJsonValue QV8JsonWrapper::toJsonValue(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
if (value->IsString())
return QJsonValue(QJSConverter::toString(value.As<v8::String>()));
else if (value->IsNumber())
return QJsonValue(value->NumberValue());
else if (value->IsBoolean())
return QJsonValue(value->BooleanValue());
else if (value->IsArray())
return toJsonArray(value.As<v8::Array>(), visitedObjects);
else if (value->IsObject())
return toJsonObject(value.As<v8::Object>(), visitedObjects);
else if (value->IsNull())
return QJsonValue(QJsonValue::Null);
else
return QJsonValue(QJsonValue::Undefined);
}
static int FillShapeValueBoolean (VocShaper* shaper,
TRI_shape_value_t* dst,
v8::Handle<v8::BooleanObject> const json) {
TRI_shape_boolean_t* ptr;
dst->_type = TRI_SHAPE_BOOLEAN;
dst->_sid = BasicShapes::TRI_SHAPE_SID_BOOLEAN;
dst->_fixedSized = true;
dst->_size = sizeof(TRI_shape_boolean_t);
dst->_value = (char*) (ptr = (TRI_shape_boolean_t*) TRI_Allocate(shaper->memoryZone(), dst->_size, false));
if (dst->_value == nullptr) {
return TRI_ERROR_OUT_OF_MEMORY;
}
*ptr = json->BooleanValue() ? 1 : 0;
return TRI_ERROR_NO_ERROR;
}
static Value v8ValueToValue(v8::Handle<v8::Value> v8Value)
{
v8::HandleScope scope;
if (v8Value->IsArray()) {
List<Value> value;
const v8::Handle<v8::Array> v8Array = v8::Handle<v8::Array>::Cast(v8Value);
const uint32_t size = v8Array->Length();
for (uint32_t i = 0; i < size; ++i) {
if (v8Array->Has(i))
value.append(v8ValueToValue(v8Array->Get(i)));
else
value.append(Value());
}
return Value(value);
} else if (v8Value->IsObject()) {
Map<String, Value> value;
const v8::Handle<v8::Object> v8Object = v8Value->ToObject();
const v8::Handle<v8::Array> props = v8Object->GetPropertyNames();
const uint32_t size = props->Length();
for (uint32_t i = 0; i < size; ++i) {
assert(props->Has(i));
const v8::Handle<v8::Value> name = props->Get(i);
value[String(*v8::String::Utf8Value(name))] = v8ValueToValue(v8Object->Get(name));
}
return Value(value);
} else if (v8Value->IsBoolean()) {
return Value(v8Value->BooleanValue());
} else if (v8Value->IsInt32() || v8Value->IsUint32()) {
return Value(v8Value->Int32Value());
} else if (v8Value->IsNumber()) {
return Value(v8Value->NumberValue());
} else if (v8Value->IsString()) {
return Value(String(*v8::String::Utf8Value(v8Value)));
} else {
error() << "Unexpected v8 value type in JSONParser";
}
// undefined or null?
return Value();
}
static bool apply(v8::Handle<v8::Value> const& value)
{
return value->BooleanValue();
}
/**
* Cast an ecmascript value to a PHP runtime value
*
* @note The value cannot be const, as retrieving properties
* from arrays and objects cannot be done on const values
*
* @param input the value to cast
* @return Php::Value
*/
Php::Value value(v8::Handle<v8::Value> input)
{
// if we received an invalid input we simply return an empty PHP value
if (input.IsEmpty()) return nullptr;
// as is typical in javascript, a value can be of many types
// check the type of value that we have received so we can cast
if (input->IsBoolean()) return input->BooleanValue();
if (input->IsBooleanObject()) return input->BooleanValue();
if (input->IsInt32()) return input->Int32Value();
if (input->IsNumber()) return input->NumberValue();
if (input->IsNumberObject()) return input->NumberValue();
if (input->IsNull()) return nullptr;
if (input->IsUndefined()) return nullptr;
// special treatment for string-like types
// TODO: javascript dates might possibly be cast to a DateTime object
if (input->IsString() || input->IsStringObject() || input->IsRegExp())
{
// create the utf8 value (the only way to retrieve the content)
v8::String::Utf8Value utf8(input->ToString());
// and create the value to return
return {*utf8, utf8.length()};
}
// it could be callable too
if (input->IsFunction())
{
// create the function as a pointer that can be captured
auto function = std::make_shared<Stack<v8::Function>>(input.As<v8::Function>());
// the result to return
Php::Function result([function](Php::Parameters ¶ms) {
// create a "scope", so variables get destructed, retrieve the context and "enter" it
v8::HandleScope scope(Isolate::get());
v8::Local<v8::Context> context((*function)->CreationContext());
v8::Context::Scope contextScope(context);
// catch any errors that occur while either compiling or running the script
v8::TryCatch catcher;
// create a new array with parameters
std::vector<v8::Local<v8::Value>> array;
array.reserve(params.size());
// iterate over all the given parameters and add them to the arrau
for (auto ¶m: params) array.push_back(value(param));
// now we can actually call the function
v8::Local<v8::Value> result((*function)->Call(context->Global(), array.size(), array.data()));
// did we catch an exception?
if (catcher.HasCaught())
{
// retrieve the message describing the problem
v8::Local<v8::Message> message(catcher.Message());
v8::Local<v8::String> description(message->Get());
// convert the description to utf so we can dump it
v8::String::Utf8Value string(description);
// pass this exception on to PHP userspace
throw Php::Exception(std::string(*string, string.length()));
}
// convert the result to a PHP value and return it
return value(result);
});
// now return the result
return result;
}
// or perhaps an object
if (input->IsObject())
{
// retrieve the object and the first internal field
auto object = input.As<v8::Object>();
// does the object have internal fields?
if (object->InternalFieldCount())
{
// retrieve the field
auto field = object->GetInternalField(0);
// does it have an internal field and is it external? we are converting back
// an original PHP object, just retrieve the original thing that came from PHP
if (!field.IsEmpty() && field->IsExternal())
{
// the PHP value is stored in the first internal field,
// retrieve it and create the handle around it
Handle handle(field);
// dereference and return it
return *handle;
}
}
// create a new js object and convert it to userspace
return Php::Object("JS\\Object", new JSObject(object));
}
// we sadly don't support this type of value
return nullptr;
}
inline bool Bool(v8::Handle<v8::Value> hdl) {
return hdl->BooleanValue();
}
