NamedDataBuilder.h

// This file is a part of the OpenSurgSim project.
// Copyright 2012-2013, SimQuest Solutions Inc.
//
// 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 SURGSIM_DATASTRUCTURES_NAMEDDATABUILDER_H
#define SURGSIM_DATASTRUCTURES_NAMEDDATABUILDER_H

#include <memory>

#include "SurgSim/DataStructures/NamedData.h"

namespace SurgSim
{
namespace DataStructures
{

template <typename T>
class NamedDataBuilder
{
public:
    NamedDataBuilder()
    {
    }

    NamedData<T> createData() const
    {
        // NB: can't use copy construction in the std::make_shared call, because access is protected.
        std::shared_ptr<IndexDirectory> dir = std::make_shared<IndexDirectory>();
        *dir = m_directory;
        return NamedData<T>(dir);
    }

    std::shared_ptr<NamedData<T>> createSharedData() const
    {
        return std::make_shared<NamedData<T>>(createData());
    }

    int addEntry(const std::string& name)
    {
        return m_directory.addEntry(name);
    }

    void addEntriesFrom(const std::vector<std::string>& names)
    {
        for (auto it = names.cbegin();  it != names.cend();  ++it)
        {
            addEntry(*it);
        }
    }

    template <typename U>
    void addEntriesFrom(const NamedDataBuilder<U>& builder)
    {
        addEntriesFrom(builder.getAllNames());
    }

    template <typename U>
    void addEntriesFrom(const NamedData<U>& data)
    {
        addEntriesFrom(data.getDirectory()->getAllNames());
    }

    void addEntriesFrom(const IndexDirectory& directory)
    {
        addEntriesFrom(directory.getAllNames());
    }

    int getIndex(const std::string& name) const
    {
        return m_directory.getIndex(name);
    }

    std::string getName(int index) const
    {
        return m_directory.getName(index);
    }

    const std::vector<std::string>& getAllNames() const
    {
        return m_directory.getAllNames();
    }

    bool hasEntry(const std::string& name) const
    {
        return m_directory.hasEntry(name);
    }

    size_t size() const
    {
        return m_directory.size();
    }

    int getNumEntries() const
    {
        return m_directory.getNumEntries();
    }

private:
    IndexDirectory m_directory;
};

};  // namespace Input
};  // namespace SurgSim

#endif  // SURGSIM_DATASTRUCTURES_NAMEDDATABUILDER_H