Program Listing for File Token.h

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// Copyright 2016 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef _FASTDDS_RTPS_COMMON_TOKEN_H_
#define _FASTDDS_RTPS_COMMON_TOKEN_H_

#include <fastrtps/fastrtps_dll.h>
#include <fastdds/rtps/common/Property.h>
#include <fastdds/rtps/common/BinaryProperty.h>

namespace eprosima {
namespace fastrtps {
namespace rtps {

class DataHolder
{
    public:

        DataHolder() {}

        DataHolder(const DataHolder& data_holder) :
            class_id_(data_holder.class_id_),
            properties_(data_holder.properties_),
            binary_properties_(data_holder.binary_properties_) {}

        DataHolder(DataHolder&& data_holder) :
            class_id_(data_holder.class_id_),
            properties_(data_holder.properties_),
            binary_properties_(data_holder.binary_properties_) {}

        DataHolder& operator=(const DataHolder& data_holder)
        {
            class_id_ = data_holder.class_id_;
            properties_ = data_holder.properties_;
            binary_properties_ = data_holder.binary_properties_;

            return *this;
        }

        DataHolder& operator=(DataHolder&& data_holder)
        {
            class_id_ = std::move(data_holder.class_id_);
            properties_ = std::move(data_holder.properties_);
            binary_properties_ = std::move(data_holder.binary_properties_);

            return *this;
        }

        bool is_nil() const
        {
            return class_id_.empty();
        }

        void class_id(const std::string& class_id)
        {
            class_id_ = class_id;
        }

        void class_id(std::string&& class_id)
        {
            class_id_ = std::move(class_id);
        }

        std::string& class_id()
        {
            return class_id_;
        }

        const std::string& class_id() const
        {
            return class_id_;
        }

        const PropertySeq& properties() const
        {
            return properties_;
        }

        PropertySeq& properties()
        {
            return properties_;
        }

        const BinaryPropertySeq& binary_properties() const
        {
            return binary_properties_;
        }

        BinaryPropertySeq& binary_properties()
        {
            return binary_properties_;
        }

    private:

        std::string class_id_;

        PropertySeq properties_;

        BinaryPropertySeq binary_properties_;
};

typedef std::vector<DataHolder> DataHolderSeq;
typedef DataHolder Token;
typedef Token IdentityToken;
typedef Token IdentityStatusToken;
typedef Token PermissionsToken;
typedef Token AuthenticatedPeerCredentialToken;
typedef Token PermissionsCredentialToken;

class DataHolderHelper
{
    public:

        static std::string* find_property_value(DataHolder& data_holder, const std::string& name);

        static const std::string* find_property_value(const DataHolder& data_holder, const std::string& name);

        static Property* find_property(DataHolder& data_holder, const std::string& name);

        static const Property* find_property(const DataHolder& data_holder, const std::string& name);

        static std::vector<uint8_t>* find_binary_property_value(DataHolder& data_holder, const std::string& name);

        static const std::vector<uint8_t>* find_binary_property_value(const DataHolder& data_holder, const std::string& name);

        static BinaryProperty* find_binary_property(DataHolder& data_holder, const std::string& name);

        static const BinaryProperty* find_binary_property(const DataHolder& data_holder, const std::string& name);

        static size_t serialized_size(const DataHolder& data_holder, size_t current_alignment = 0);

        static size_t serialized_size(const DataHolderSeq& data_holders, size_t current_alignment = 0);

    private:

        inline static size_t alignment(size_t current_alignment, size_t dataSize) { return (dataSize - (current_alignment % dataSize)) & (dataSize-1);}
};

} //namespace rtps
} //namespace fastrtps
} //namespace eprosima

#endif // _FASTDDS_RTPS_COMMON_TOKEN_H_