1 // Copyright 2012 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 INCLUDES_NORMALIZE_H_ 16 #define INCLUDES_NORMALIZE_H_ 17 18 #include <string> 19 #include <vector> 20 21 struct StringPiece; 22 23 /// Utility functions for normalizing include paths on Windows. 24 /// TODO: this likely duplicates functionality of CanonicalizePath; refactor. 25 struct IncludesNormalize { 26 /// Normalize path relative to |relative_to|. 27 IncludesNormalize(const std::string& relative_to); 28 29 // Internal utilities made available for testing, maybe useful otherwise. 30 static std::string AbsPath(StringPiece s, std::string* err); 31 static std::string Relativize(StringPiece path, 32 const std::vector<StringPiece>& start_list, 33 std::string* err); 34 35 /// Normalize by fixing slashes style, fixing redundant .. and . and makes the 36 /// path |input| relative to |this->relative_to_| and store to |result|. 37 bool Normalize(const std::string& input, std::string* result, 38 std::string* err) const; 39 40 private: 41 std::string relative_to_; 42 std::vector<StringPiece> split_relative_to_; 43 }; 44 45 #endif // INCLUDES_NORMALIZE_H_ 46