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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/scripting/mozjs/mongohelpers.h"
#include <js/ValueArray.h>
#include <jsapi.h>
#include "mongo/scripting/engine.h"
#include "mongo/scripting/mozjs/implscope.h"
#include "mongo/scripting/mozjs/objectwrapper.h"
#include "mongo/scripting/mozjs/valuereader.h"
#include "mongo/scripting/mozjs/valuewriter.h"
namespace mongo {
namespace JSFiles {
extern const JSFile mongohelpers;
} // namespace JSFiles
namespace mozjs {
const char* const MongoHelpersInfo::className = "MongoHelpers";
namespace {
const char kExportsObjectName[] = "exportToMongoHelpers";
const char kReflectName[] = "Reflect";
} // namespace
std::string parseJSFunctionOrExpression(JSContext* cx, const StringData input) {
JS::RootedValue jsStrOut(cx);
JS::RootedValue jsStrIn(cx);
ValueReader(cx, &jsStrIn).fromStringData(input);
ObjectWrapper helpersWrapper(cx, getScope(cx)->getProto<MongoHelpersInfo>().getProto());
helpersWrapper.callMethod("functionExpressionParser", JS::HandleValueArray(jsStrIn), &jsStrOut);
return ValueWriter(cx, jsStrOut).toString();
}
void MongoHelpersInfo::postInstall(JSContext* cx, JS::HandleObject global, JS::HandleObject proto) {
ObjectWrapper protoWrapper(cx, proto);
ObjectWrapper globalWrapper(cx, global);
// Initialize the reflection API and move it under the MongoHelpers object
uassert(ErrorCodes::JSInterpreterFailure,
"Error initializing javascript reflection API",
JS_InitReflectParse(cx, global));
JS::RootedValue reflectValue(cx);
globalWrapper.getValue(kReflectName, &reflectValue);
globalWrapper.deleteProperty(kReflectName);
protoWrapper.setValue(kReflectName, reflectValue);
JS::RootedValue exports(cx);
getScope(cx)->execSetup(JSFiles::mongohelpers);
globalWrapper.getValue(kExportsObjectName, &exports);
globalWrapper.deleteProperty(kExportsObjectName);
ObjectWrapper exportsWrapper(cx, exports);
JS::RootedValue copyExport(cx);
exportsWrapper.enumerate([&](JS::HandleId _id) {
exportsWrapper.getValue(_id, ©Export);
protoWrapper.setValue(_id, copyExport);
return true;
});
}
} // namespace mozjs
} // namespace mongo
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