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nutils.cpp
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158 lines (130 loc) · 4.61 KB
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#include "Extras/Utils/nutils.h"
#include <QApplication>
#include <QMetaType>
#include <QWidget>
#include <string>
#include "core/Component/component_wrap.h"
#include "core/FlexLayout/flexutils.h"
#include "core/YogaWidget/yogawidget.h"
bool extrautils::isNapiValueInt(Napi::Env& env, Napi::Value& num) {
return env.Global()
.Get("Number")
.ToObject()
.Get("isInteger")
.As<Napi::Function>()
.Call({num})
.ToBoolean()
.Value();
}
std::string extrautils::getNapiObjectClassName(Napi::Object& object) {
return object.Get("constructor")
.As<Napi::Object>()
.Get("name")
.As<Napi::String>()
.Utf8Value();
}
QVariant* extrautils::convertToQVariant(Napi::Env& env, Napi::Value& value) {
// Warning: Make sure you delete the QVariant fron this function upon use.
if (value.IsBoolean()) {
return new QVariant(value.As<Napi::Boolean>().Value());
} else if (value.IsNumber()) {
if (isNapiValueInt(env, value)) {
return new QVariant(value.As<Napi::Number>().Int32Value());
} else {
return new QVariant(value.As<Napi::Number>().DoubleValue());
}
} else if (value.IsString()) {
std::string stringValue = value.As<Napi::String>().Utf8Value();
return new QVariant(stringValue.c_str());
} else if (value.IsSymbol()) {
return new QVariant();
} else if (value.IsArray()) {
// Note: This assumes an array of strings.
Napi::Array array = value.As<Napi::Array>();
QStringList value;
uint32_t len = array.Length();
for (uint32_t i = 0; i < len; i++) {
if (array.Get(i).IsString()) {
std::string stringValue = array.Get(i).As<Napi::String>().Utf8Value();
value.append(QString::fromUtf8(stringValue.c_str()));
}
}
return new QVariant(value);
} else if (value.IsArrayBuffer()) {
// TODO: fix this
return new QVariant();
} else if (value.IsTypedArray()) {
// TODO: fix this
return new QVariant();
} else if (value.IsObject()) {
Napi::Object object = value.As<Napi::Object>();
std::string className = getNapiObjectClassName(object);
QMetaType type = QMetaType::fromName(className.c_str());
ComponentWrap* componentWrap =
Napi::ObjectWrap<ComponentWrap>::Unwrap(object);
return new QVariant(type, componentWrap->rawData);
} else if (value.IsFunction()) {
return new QVariant();
} else if (value.IsPromise()) {
return new QVariant();
} else if (value.IsUndefined()) {
return new QVariant();
} else if (value.IsNull()) {
return new QVariant();
} else if (value.IsBuffer()) {
// TODO: fix this
return new QVariant();
} else if (value.IsExternal()) {
QVariant* variant = value.As<Napi::External<QVariant>>().Data();
return variant;
} else {
return new QVariant();
}
}
void* extrautils::configureComponent(void* component) { return component; }
void* extrautils::configureQObject(QObject* object) {
return configureComponent(object);
}
void* extrautils::configureQWidget(QWidget* widget, bool isLeafNode) {
YogaWidget* yogaWidget = dynamic_cast<YogaWidget*>(widget);
if (yogaWidget) {
flexutils::configureFlexNode(widget, yogaWidget->getFlexNode(), isLeafNode);
}
return configureQObject(widget);
}
uint64_t extrautils::hashPointerTo53bit(const void* input) {
// Hash the address of the object down to something which will
// fit into the JS 53bit safe integer space.
uint64_t address = reinterpret_cast<uint64_t>(input);
uint64_t top8Bits = address & 0xff00000000000000u;
uint64_t foldedBits = (top8Bits >> 11) ^ address;
// Clear the top 8bits which we folded, now shift out the last 3 bits
// Pointers are aligned on 64bit architectures to at least 8bytes
// boundaries.
uint64_t result = (foldedBits & ~0xff00000000000000u) >> 3;
return result;
}
Napi::FunctionReference NUtilsWrap::constructor;
Napi::Object NUtilsWrap::init(Napi::Env env, Napi::Object exports) {
Napi::HandleScope scope(env);
char CLASSNAME[] = "NUtils";
Napi::Function func =
DefineClass(env, CLASSNAME,
{
StaticMethod("isNapiExternal",
&StaticNUtilsWrapMethods::isNapiExternal),
});
constructor = Napi::Persistent(func);
exports.Set(CLASSNAME, func);
return exports;
}
NUtilsWrap::NUtilsWrap(const Napi::CallbackInfo& info)
: Napi::ObjectWrap<NUtilsWrap>(info) {}
Napi::Value StaticNUtilsWrapMethods::isNapiExternal(
const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
if (info.Length() > 0 && info[0].IsExternal()) {
return Napi::Boolean::New(env, true);
}
return Napi::Boolean::New(env, false);
}