Strategy_SortEntries_Classes.cpp

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#include <stdexcept>
 
#include "helpers/formatstring.h"
 
#include "Strategy_SortEntries_Classes.h"
 
namespace // Anonymous
{
    using namespace DesignPatternExamples_cpp;
 
    std::string _SortOptionToString(SortOptions sortOption)
    {
        std::string optionAsString;
 
        switch (sortOption)
        {
        case SortOptions::ByName:
            optionAsString = "ByName";
            break;
 
        case SortOptions::ByAge:
            optionAsString = "ByAge";
            break;
 
        case SortOptions::ByHeight:
            optionAsString = "ByHeight";
            break;
 
        default:
            optionAsString = Helpers::formatstring("Unknown %d", static_cast<int>(sortOption));
            break;
        }
        return optionAsString;
    }
 
 
} // end anonymous namespace
 
 
 
 
namespace DesignPatternExamples_cpp
{
 
    ISortEntries::shared_ptr_t Strategy_SortEntries_ClassFactory::Create(SortOptions sortOption, bool reversedSort)
    {
        ISortEntries::shared_ptr_t sortEntries;
 
        switch (sortOption)
        {
        case SortOptions::ByName:
            sortEntries = std::make_shared<Strategy_SortEntries_ByName>(reversedSort);
            break;
 
        case SortOptions::ByAge:
            sortEntries = std::make_shared < Strategy_SortEntries_ByAge>(reversedSort);
            break;
 
        case SortOptions::ByHeight:
            sortEntries = std::make_shared < Strategy_SortEntries_ByHeight>(reversedSort);
            break;
 
        default:
        {
            std::string message = Helpers::formatstring("Unrecognized sort option: %s", _SortOptionToString(sortOption).c_str());
            throw std::runtime_error(message.c_str());
        }
        }
 
        return sortEntries;
    }
 
} // end namespace