/**
 * Copyright (C) 2015 MongoDB Inc.
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * 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 GNU Affero General 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.
 */

#pragma once

#include <jsapi.h>
#include <string>

#include "mongo/bson/bsonobj.h"

namespace mongo {
namespace mozjs {

/**
 * Reads into a JS Value from some Mongo C++ primitive
 */
class ValueReader {
public:
    /**
     * Depth is used when readers are invoked from ObjectWrappers to avoid
     * reading out overly nested objects
     */
    ValueReader(JSContext* cx, JS::MutableHandleValue value);

    void fromBSONElement(const BSONElement& elem, const BSONObj& parent, bool readOnly);
    void fromBSON(const BSONObj& obj, const BSONObj* parent, bool readOnly);
    void fromDouble(double d);
    void fromStringData(StringData sd);
    void fromDecimal128(Decimal128 decimal);

private:
    JSContext* _context;
    JS::MutableHandleValue _value;
};

}  // namespace mozjs
}  // namespace mongo