/**
* @internal
* @brief QBsonConverter::mapValue converts alls simple values and redirects to
* mapObject and mapArray methods. If a value can not converted an
* empty bsonvalue is returned.
*
* @param jsValue jsValue to convert
*
* @return QBsonValue
*/
QBsonValue QBsonConverter::mapValue(const QJSValue &jsValue)
{
if (jsValue.isBool()) {
return QBsonValue(jsValue.toBool());
}
if (jsValue.isDate()) {
return QBsonValue(jsValue.toDateTime());
}
if (jsValue.isString()) {
return QBsonValue(jsValue.toString());
}
if (jsValue.isNumber()) {
int vType = jsValue.toVariant().type();
switch (vType) {
case QVariant::Double:
return QBsonValue(jsValue.toVariant().toDouble());
break;
case QVariant::Int:
return QBsonValue(jsValue.toVariant().toInt());
break;
}
}
if (jsValue.isArray()) {
return mapArray(jsValue);
}
if (jsValue.isObject()) {
return mapObject(jsValue);
}
return QBsonValue();
}
QJsonValue QJsonConvert::jsonFromScriptValue(const QJSValue& jsval){
if ( jsval.isArray() ){
QJSValueIterator it(jsval);
QJsonArray arr;
while( it.hasNext() ){
it.next();
QJsonValue itJsonValue = jsonFromScriptValue(it.value());
if( !itJsonValue.isNull() )
arr.append(itJsonValue);
}
return QJsonValue(arr);
} else if ( jsval.isObject() ){
QJSValueIterator it(jsval);
QJsonObject obj;
while( it.hasNext() ){
it.next();
QJsonValue itJsonValue = jsonFromScriptValue(it.value());
if( !itJsonValue.isNull() )
obj[it.name()] = itJsonValue;
}
return QJsonValue(obj);
} else if ( jsval.isString() ){
return QJsonValue(jsval.toString());
} else if ( jsval.isBool() ){
return QJsonValue(jsval.toString());
} else if ( jsval.isNumber() ){
return QJsonValue(jsval.toNumber() );
}
return QJsonValue();
}
static QString qjsValueToString(const QJSValue &v)
{
if (v.isArray()) {
return QStringLiteral("<array>");
} else if (v.isBool()) {
return v.toBool() ? QStringLiteral("true") : QStringLiteral("false");
} else if (v.isCallable()) {
return QStringLiteral("<callable>");
} else if (v.isDate()) {
return v.toDateTime().toString();
} else if (v.isError()) {
return QStringLiteral("<error>");
} else if (v.isNull()) {
return QStringLiteral("<null>");
} else if (v.isNumber()) {
return QString::number(v.toNumber());
} else if (v.isObject()) {
return QStringLiteral("<object>");
} else if (v.isQObject()) {
return Util::displayString(v.toQObject());
} else if (v.isRegExp()) {
return QStringLiteral("<regexp>");
} else if (v.isString()) {
return v.toString();
} else if (v.isUndefined()) {
return QStringLiteral("<undefined>");
} else if (v.isVariant()) {
return VariantHandler::displayString(v.toVariant());
}
return QStringLiteral("<unknown QJSValue>");
}
Option<Error> jsToJson(QJSValue value, JsonValue::Builder builder) {
if (value.isArray()) {
std::vector<QJSValue> arr;
QJSValueIterator iter(value);
while (iter.hasNext()) {
iter.next();
// dafuq!? why is this required
if (!iter.hasNext()) {
break;
}
arr.push_back(iter.value());
}
auto lst = builder.initArray(static_cast<unsigned int>(arr.size()));
for (auto k = 0; k < arr.size(); ++k) {
auto subvalue = lst[k];
auto opt_err = jsToJson(arr[k], subvalue);
if (opt_err.has()) {
return opt_err;
}
}
return Option<Error>();
} if (value.isObject()) {
std::vector<std::tuple<QString, QJSValue>> arr;
QJSValueIterator iter(value);
while (iter.hasNext()) {
iter.next();
arr.push_back(std::make_tuple(iter.name(), iter.value()));
}
auto lst = builder.initObject(static_cast<unsigned int>(arr.size()));
for (auto k = 0; k < arr.size(); ++k) {
auto value_builder = lst[k].initValue();
const char *name = std::get<0>(arr[k]).toUtf8().constData();
lst[k].setName(name);
auto opt_err = jsToJson(std::get<1>(arr[k]), value_builder);
if (opt_err.has()) {
return opt_err;
}
}
return Option<Error>();
} if (value.isBool()) {
builder.setBoolean(value.toBool());
return Option<Error>();
} if (value.isNumber()) {
builder.setNumber(value.toNumber());
return Option<Error>();
} if (value.isString()) {
const char *str = value.toString().toUtf8().constData();
builder.setString(str);
return Option<Error>();
} if (value.isNull()) {
builder.setNone();
return Option<Error>();
}
auto tpname = toStdString(value.toVariant().typeName());
Error err(Error::Kind::ClientSideError, "Invalid type: " + tpname);
return err;
}
bool TemplateEngine::evaluateBooleanJavaScriptExpression(QJSEngine &engine,
const QString &expression, bool *result,
QString *errorMessage)
{
if (errorMessage)
errorMessage->clear();
if (result)
*result = false;
const QJSValue value = engine.evaluate(expression);
if (value.isError()) {
if (errorMessage)
*errorMessage = QString::fromLatin1("Error in \"%1\": %2")
.arg(expression, value.toString());
return false;
}
// Try to convert to bool, be that an int or whatever.
if (value.isBool()) {
if (result)
*result = value.toBool();
return true;
}
if (value.isNumber()) {
if (result)
*result = !qFuzzyCompare(value.toNumber(), 0);
return true;
}
if (value.isString()) {
if (result)
*result = !value.toString().isEmpty();
return true;
}
if (errorMessage)
*errorMessage = QString::fromLatin1("Cannot convert result of \"%1\" (\"%2\"to bool.")
.arg(expression, value.toString());
return false;
}
extern "C" int hsqml_is_jval_bool(HsQMLJValHandle* hndl)
{
QJSValue* value = reinterpret_cast<QJSValue*>(hndl);
return value->isBool();
}