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 <ostream> 21 #include <string> 22 23 #include "android-base/stringprintf.h" 24 #include "androidfw/StringPiece.h" 25 26 #include "util/Maybe.h" 27 28 namespace aapt { 29 30 // Represents a file on disk. Used for logging and showing errors. 31 struct Source { 32 std::string path; 33 Maybe<size_t> line; 34 Maybe<std::string> archive; 35 36 Source() = default; 37 38 inline Source(const android::StringPiece& path) : path(path.to_string()) { // NOLINT(implicit) 39 } 40 41 inline Source(const android::StringPiece& path, const android::StringPiece& archive) 42 : path(path.to_string()), archive(archive.to_string()) {} 43 44 inline Source(const android::StringPiece& path, size_t line) 45 : path(path.to_string()), line(line) {} 46 47 inline Source WithLine(size_t line) const { 48 return Source(path, line); 49 } 50 51 std::string to_string() const { 52 std::string s = path; 53 if (archive) { 54 s = ::android::base::StringPrintf("%s@%s", archive.value().c_str(), s.c_str()); 55 } 56 if (line) { 57 s = ::android::base::StringPrintf("%s:%zd", s.c_str(), line.value()); 58 } 59 return s; 60 } 61 }; 62 63 // 64 // Implementations 65 // 66 67 inline ::std::ostream& operator<<(::std::ostream& out, const Source& source) { 68 return out << source.to_string(); 69 } 70 71 inline bool operator==(const Source& lhs, const Source& rhs) { 72 return lhs.path == rhs.path && lhs.line == rhs.line; 73 } 74 75 inline bool operator<(const Source& lhs, const Source& rhs) { 76 int cmp = lhs.path.compare(rhs.path); 77 if (cmp < 0) return true; 78 if (cmp > 0) return false; 79 if (lhs.line) { 80 if (rhs.line) { 81 return lhs.line.value() < rhs.line.value(); 82 } 83 return false; 84 } 85 return bool(rhs.line); 86 } 87 88 } // namespace aapt 89 90 #endif // AAPT_SOURCE_H 91
