1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 #ifndef AAPT_SOURCE_H 18 #define AAPT_SOURCE_H 19 20 #include "util/Maybe.h" 21 #include "util/StringPiece.h" 22 23 #include <ostream> 24 #include <string> 25 26 namespace aapt { 27 28 /** 29 * Represents a file on disk. Used for logging and 30 * showing errors. 31 */ 32 struct Source { 33 std::string path; 34 Maybe<size_t> line; 35 36 Source() = default; 37 38 inline Source(const StringPiece& path) : path(path.toString()) { 39 } 40 41 inline Source(const StringPiece& path, size_t line) : path(path.toString()), line(line) { 42 } 43 44 inline Source withLine(size_t line) const { 45 return Source(path, line); 46 } 47 }; 48 49 // 50 // Implementations 51 // 52 53 inline ::std::ostream& operator<<(::std::ostream& out, const Source& source) { 54 out << source.path; 55 if (source.line) { 56 out << ":" << source.line.value(); 57 } 58 return out; 59 } 60 61 inline bool operator==(const Source& lhs, const Source& rhs) { 62 return lhs.path == rhs.path && lhs.line == rhs.line; 63 } 64 65 inline bool operator<(const Source& lhs, const Source& rhs) { 66 int cmp = lhs.path.compare(rhs.path); 67 if (cmp < 0) return true; 68 if (cmp > 0) return false; 69 if (lhs.line) { 70 if (rhs.line) { 71 return lhs.line.value() < rhs.line.value(); 72 } 73 return false; 74 } 75 return bool(rhs.line); 76 } 77 78 } // namespace aapt 79 80 #endif // AAPT_SOURCE_H 81
