2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali/internal/common/dali-hash.h>
26 * djb2 (http://www.cse.yorku.ca/~oz/hash.html)
28 unsigned long StringHash::operator()(const std::string& toHash)
30 unsigned long hash = 5381;
32 const char *str = toHash.c_str();
34 while( int c = *str++ )
36 hash = ((hash << 5) + hash) + c; /* hash * 33 + c */