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 <optional> 21 #include <ostream> 22 #include <string> 23 24 #include "android-base/stringprintf.h" 25 #include "androidfw/StringPiece.h" 26 27 namespace aapt { 28 29 // Represents a file on disk. Used for logging and showing errors. 30 struct Source { 31 std::string path; 32 std::optional<size_t> line; 33 std::optional<std::string> archive; 34 35 Source() = default; 36 SourceSource37 inline Source(const android::StringPiece& path) : path(path.to_string()) { // NOLINT(implicit) 38 } 39 SourceSource40 inline Source(const android::StringPiece& path, const android::StringPiece& archive) 41 : path(path.to_string()), archive(archive.to_string()) {} 42 SourceSource43 inline Source(const android::StringPiece& path, size_t line) 44 : path(path.to_string()), line(line) {} 45 WithLineSource46 inline Source WithLine(size_t line) const { 47 return Source(path, line); 48 } 49 to_stringSource50 std::string to_string() const { 51 std::string s = path; 52 if (archive) { 53 s = ::android::base::StringPrintf("%s@%s", archive.value().c_str(), s.c_str()); 54 } 55 if (line) { 56 s = ::android::base::StringPrintf("%s:%zd", s.c_str(), line.value()); 57 } 58 return s; 59 } 60 }; 61 62 // 63 // Implementations 64 // 65 66 inline ::std::ostream& operator<<(::std::ostream& out, const Source& source) { 67 return out << source.to_string(); 68 } 69 70 inline bool operator==(const Source& lhs, const Source& rhs) { 71 return lhs.path == rhs.path && lhs.line == rhs.line; 72 } 73 74 inline bool operator<(const Source& lhs, const Source& rhs) { 75 int cmp = lhs.path.compare(rhs.path); 76 if (cmp < 0) return true; 77 if (cmp > 0) return false; 78 if (lhs.line) { 79 if (rhs.line) { 80 return lhs.line.value() < rhs.line.value(); 81 } 82 return false; 83 } 84 return bool(rhs.line); 85 } 86 87 } // namespace aapt 88 89 #endif // AAPT_SOURCE_H 90