1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_
18 #define LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_
19
20 #include <string>
21
22 #include "utils/base/integral_types.h"
23
24 namespace libtextclassifier2 {
25
26 using namespace libtextclassifier3;
27
28 uint32 Hash32(const char *data, size_t n, uint32 seed);
29
Hash32WithDefaultSeed(const char * data,size_t n)30 static inline uint32 Hash32WithDefaultSeed(const char *data, size_t n) {
31 return Hash32(data, n, 0xBEEF);
32 }
33
Hash32WithDefaultSeed(const std::string & input)34 static inline uint32 Hash32WithDefaultSeed(const std::string &input) {
35 return Hash32WithDefaultSeed(input.data(), input.size());
36 }
37
38 } // namespace libtextclassifier2
39
40 #endif // LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_
41