| // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
| // This source code is licensed under both the GPLv2 (found in the |
| // COPYING file in the root directory) and Apache 2.0 License |
| // (found in the LICENSE.Apache file in the root directory). |
| #pragma once |
| |
| #include <map> |
| #include <string> |
| |
| #include "rocksdb/comparator.h" |
| #include "rocksdb/slice.h" |
| #include "util/coding.h" |
| #include "util/murmurhash.h" |
| |
| namespace rocksdb { |
| namespace stl_wrappers { |
| |
| struct LessOfComparator { |
| explicit LessOfComparator(const Comparator* c = BytewiseComparator()) |
| : cmp(c) {} |
| |
| bool operator()(const std::string& a, const std::string& b) const { |
| return cmp->Compare(Slice(a), Slice(b)) < 0; |
| } |
| bool operator()(const Slice& a, const Slice& b) const { |
| return cmp->Compare(a, b) < 0; |
| } |
| |
| const Comparator* cmp; |
| }; |
| |
| typedef std::map<std::string, std::string, LessOfComparator> KVMap; |
| } |
| } |