1 // Copyright 2015 Google Inc. All rights reserved 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef FILE_CACHE_H_ 16 #define FILE_CACHE_H_ 17 18 #include <string> 19 20 #include <unordered_set> 21 22 using namespace std; 23 24 class Makefile; 25 26 class MakefileCacheManager { 27 public: 28 virtual ~MakefileCacheManager(); 29 30 virtual Makefile* ReadMakefile(const string& filename) = 0; 31 virtual void GetAllFilenames(unordered_set<string>* out) = 0; 32 33 static MakefileCacheManager* Get(); 34 35 protected: 36 MakefileCacheManager(); 37 }; 38 39 MakefileCacheManager* NewMakefileCacheManager(); 40 41 #endif // FILE_CACHE_H_ 42