Page Speed Optimization Libraries
1.5.27.2
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00001 /* 00002 * Copyright 2013 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_SIMPLE_RANDOM_H_ 00020 #define NET_INSTAWEB_UTIL_PUBLIC_SIMPLE_RANDOM_H_ 00021 00022 #include "net/instaweb/util/public/basictypes.h" 00023 #include "net/instaweb/util/public/string.h" 00024 00025 namespace net_instaweb { 00026 00032 class SimpleRandom { 00033 public: 00034 SimpleRandom() : z_(10), w_(25) {} 00035 ~SimpleRandom() {} 00036 int Next(); 00037 00038 GoogleString GenerateHighEntropyString(int size); 00039 00040 private: 00041 uint32 z_; 00042 uint32 w_; 00043 00045 }; 00046 00047 } 00048 00049 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_SIMPLE_RANDOM_H_