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 FIND_H_ 16 #define FIND_H_ 17 18 #include <memory> 19 #include <string> 20 #include <unordered_set> 21 #include <vector> 22 23 #include "loc.h" 24 #include "string_piece.h" 25 26 using namespace std; 27 28 class FindCond; 29 30 enum struct FindCommandType { 31 FIND, 32 FINDLEAVES, 33 LS, 34 }; 35 36 struct FindCommand { 37 FindCommand(); 38 ~FindCommand(); 39 40 bool Parse(const string& cmd); 41 42 FindCommandType type; 43 string chdir; 44 string testdir; 45 vector<string> finddirs; 46 bool follows_symlinks; 47 unique_ptr<FindCond> print_cond; 48 unique_ptr<FindCond> prune_cond; 49 int depth; 50 int mindepth; 51 bool redirect_to_devnull; 52 53 unique_ptr<vector<string>> found_files; 54 unique_ptr<unordered_set<string>> read_dirs; 55 56 private: 57 FindCommand(const FindCommand&) = delete; 58 void operator=(FindCommand) = delete; 59 }; 60 61 class FindEmulator { 62 public: 63 virtual ~FindEmulator() = default; 64 65 virtual bool HandleFind(const string& cmd, const FindCommand& fc, 66 const Loc& loc, string* out) = 0; 67 68 static FindEmulator* Get(); 69 70 protected: 71 FindEmulator() = default; 72 }; 73 74 void InitFindEmulator(); 75 76 #endif // FIND_H_ 77