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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TRINITY_FUZZYFIND_H
#define TRINITY_FUZZYFIND_H
#include <map>
#include <string>
namespace Trinity
{
namespace Containers
{
template <typename Container, typename NeedleContainer, typename ContainsOperator = bool(std::string const&, std::string const&), typename T = void>
auto FuzzyFindIn(Container const& container, NeedleContainer const& needles, ContainsOperator const& contains = StringContainsStringI, int(*bonus)(decltype((*std::begin(std::declval<Container>())))) = nullptr)
{
using IteratorResult = decltype((*std::begin(container)));
using MappedType = std::conditional_t<std::is_reference_v<IteratorResult>, std::reference_wrapper<std::remove_reference_t<IteratorResult>>, IteratorResult>;
std::multimap<size_t, MappedType, std::greater<size_t>> results;
for (auto outerIt = std::begin(container), outerEnd = std::end(container); outerIt != outerEnd; ++outerIt)
{
size_t count = 0;
for (auto innerIt = std::begin(needles), innerEnd = std::end(needles); innerIt != innerEnd; ++innerIt)
if (contains(*outerIt, *innerIt))
++count;
if (!count)
continue;
if (bonus)
count += bonus(*outerIt);
results.emplace(count, *outerIt);
}
return results;
}
}
}
#endif
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