aboutsummaryrefslogtreecommitdiff
path: root/src/common/Utilities/FuzzyFind.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/Utilities/FuzzyFind.h')
-rw-r--r--src/common/Utilities/FuzzyFind.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/common/Utilities/FuzzyFind.h b/src/common/Utilities/FuzzyFind.h
new file mode 100644
index 00000000000..ab34eb6f146
--- /dev/null
+++ b/src/common/Utilities/FuzzyFind.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
+ *
+ * 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
+
+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<advstd::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