64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
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#include "JSValueHelper.h"
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#include <QJsonDocument>
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#include <QJsonObject>
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std::string ToString(v8::Local<v8::Value> object) {
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v8::Isolate *isolate = v8::Isolate::GetCurrent();
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v8::HandleScope handleScope(isolate);
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v8::Local<v8::Context> context = isolate->GetEnteredOrMicrotaskContext();
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if (object->IsString() || object->IsRegExp() || object->IsFunction()) {
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v8::String::Utf8Value utf8(isolate, object);
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return std::string(*utf8);
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}
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if (object->IsObject()) {
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v8::MaybeLocal<v8::String> str = v8::JSON::Stringify(
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context, object->ToObject(context).ToLocalChecked());
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if (str.IsEmpty()) {
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return "<string conversion failed>";
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}
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v8::Local<v8::String> s = str.ToLocalChecked();
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v8::String::Utf8Value str2(isolate, s);
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return std::string(*str2 ? *str2 : "<string conversion failed>");
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}
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v8::Local<v8::Object> global = context->Global();
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v8::Local<v8::Object> JSON = global->Get(context, NewV8String("JSON"))
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.ToLocalChecked()
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->ToObject(context)
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.ToLocalChecked();
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v8::Local<v8::Value> argv[] = {object};
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v8::Local<v8::Function> JSON_stringify = v8::Local<v8::Function>::Cast(
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JSON->Get(context, NewV8String("stringify")).ToLocalChecked());
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v8::String::Utf8Value str(
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isolate, JSON_stringify->Call(context, JSON, 1, argv).ToLocalChecked());
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return std::string(*str ? *str : "<string conversion failed>");
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}
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v8::Local<v8::Value> ObjectToJS(QObject *object) {
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QJsonObject jsonObject;
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QList<QByteArray> propertyNames = object->dynamicPropertyNames();
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foreach (QByteArray propertyName, propertyNames) {
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QString key = QString::fromStdString(propertyName.toStdString());
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object->property(propertyName).toString();
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if (key == "undefined" || key.isEmpty()) {
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} else {
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jsonObject[key] = QJsonValue::fromVariant(object->property(propertyName));
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}
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}
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QJsonDocument doc(jsonObject);
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QString strJson(doc.toJson(QJsonDocument::Compact));
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v8::Isolate *isolate = v8::Isolate::GetCurrent();
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v8::EscapableHandleScope handleScope(isolate);
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v8::Local<v8::Context> context = isolate->GetEnteredOrMicrotaskContext();
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v8::Local<v8::String> jsString = NewV8String(strJson.toUtf8().constData());
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v8::Local<v8::Value> ret = v8::JSON::Parse(context, jsString).ToLocalChecked();
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return handleScope.Escape(ret);
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}
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