// 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.

/*!

 * @file Property.h

 */

#ifndef _FASTDDS_RTPS_COMMON_PROPERTYQOS_H_

#define _FASTDDS_RTPS_COMMON_PROPERTYQOS_H_

#include <string>

#include <vector>

namespace eprosima {

namespace fastrtps {

namespace rtps {

class Property

{

public:

    Property()

    {

    }

    Property(

            const Property& property)

        : name_(property.name_)

        , value_(property.value_)

        , propagate_(property.propagate_)

    {

    }

    Property(

            Property&& property)

        : name_(std::move(property.name_))

        , value_(std::move(property.value_))

        , propagate_(property.propagate_)

    {

    }

    Property(

            const std::string& name,

            const std::string& value)

        : name_(name)

        , value_(value)

    {

    }

    Property(

            std::string&& name,

            std::string&& value)

        : name_(std::move(name))

        , value_(std::move(value))

    {

    }

    Property& operator =(

            const Property& property)

    {

        name_ = property.name_;

        value_ = property.value_;

        propagate_ = property.propagate_;

        return *this;

    }

    Property& operator =(

            Property&& property)

    {

        name_ = std::move(property.name_);

        value_ = std::move(property.value_);

        propagate_ = property.propagate_;

        return *this;

    }

    bool operator ==(

            const Property& b) const

    {

        return (this->name_ == b.name_) &&

               (this->value_ == b.value_);

    }

    void name(

            const std::string& name)

    {

        name_ = name;

    }

    void name(

            std::string&& name)

    {

        name_ = std::move(name);

    }

    const std::string& name() const

    {

        return name_;

    }

    std::string& name()

    {

        return name_;

    }

    void value(

            const std::string& value)

    {

        value_ = value;

    }

    void value(

            std::string&& value)

    {

        value_ = std::move(value);

    }

    const std::string& value() const

    {

        return value_;

    }

    std::string& value()

    {

        return value_;

    }

    void propagate(

            bool propagate)

    {

        propagate_ = propagate;

    }

    bool propagate() const

    {

        return propagate_;

    }

    bool& propagate()

    {

        return propagate_;

    }

private:

    std::string name_;

    std::string value_;

    bool propagate_ = false;

};

typedef std::vector<Property> PropertySeq;

class PropertyHelper

{

public:

    static size_t serialized_size(

            const Property& property,

            size_t current_alignment = 0)

    {

        if (property.propagate())

        {

            size_t initial_alignment = current_alignment;

            current_alignment += 4 + alignment(current_alignment, 4) + property.name().size() + 1;

            current_alignment += 4 + alignment(current_alignment, 4) + property.value().size() + 1;

            return current_alignment - initial_alignment;

        }

        else

        {

            return 0;

        }

    }

    static size_t serialized_size(

            const PropertySeq& properties,

            size_t current_alignment = 0)

    {

        size_t initial_alignment = current_alignment;

        current_alignment += 4 + alignment(current_alignment, 4);

        for (auto property = properties.begin(); property != properties.end(); ++property)

        {

            current_alignment += serialized_size(*property, current_alignment);

        }

        return current_alignment - initial_alignment;

    }

private:

    inline static size_t alignment(

            size_t current_alignment,

            size_t dataSize)

    {

        return (dataSize - (current_alignment % dataSize)) & (dataSize - 1);

    }

};

} //namespace eprosima

} //namespace fastrtps

} //namespace rtps

#endif // _FASTDDS_RTPS_COMMON_PROPERTYQOS_H_