| Adam Lesinski | 6f6ceb7 | 2014-11-14 14:48:12 -0800 | [diff] [blame] | 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 | #include "AppInfo.h" |
| 18 | #include "Logger.h" |
| 19 | #include "ManifestParser.h" |
| 20 | #include "Source.h" |
| 21 | #include "XmlPullParser.h" |
| 22 | |
| 23 | #include <string> |
| 24 | |
| 25 | namespace aapt { |
| 26 | |
| 27 | bool ManifestParser::parse(const Source& source, std::shared_ptr<XmlPullParser> parser, |
| 28 | AppInfo* outInfo) { |
| 29 | SourceLogger logger = { source }; |
| 30 | |
| 31 | int depth = 0; |
| 32 | while (XmlPullParser::isGoodEvent(parser->next())) { |
| 33 | XmlPullParser::Event event = parser->getEvent(); |
| 34 | if (event == XmlPullParser::Event::kEndElement) { |
| 35 | depth--; |
| 36 | continue; |
| 37 | } else if (event != XmlPullParser::Event::kStartElement) { |
| 38 | continue; |
| 39 | } |
| 40 | |
| 41 | depth++; |
| 42 | |
| 43 | const std::u16string& element = parser->getElementName(); |
| 44 | if (depth == 1) { |
| 45 | if (element == u"manifest") { |
| 46 | if (!parseManifest(logger, parser, outInfo)) { |
| 47 | return false; |
| 48 | } |
| 49 | } else { |
| 50 | logger.error() |
| 51 | << "unexpected top-level element '" |
| 52 | << element |
| 53 | << "'." |
| 54 | << std::endl; |
| 55 | return false; |
| 56 | } |
| 57 | } else { |
| 58 | XmlPullParser::skipCurrentElement(parser.get()); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | if (parser->getEvent() == XmlPullParser::Event::kBadDocument) { |
| 63 | logger.error(parser->getLineNumber()) |
| 64 | << "failed to parse manifest: " |
| 65 | << parser->getLastError() |
| 66 | << "." |
| 67 | << std::endl; |
| 68 | return false; |
| 69 | } |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | bool ManifestParser::parseManifest(SourceLogger& logger, std::shared_ptr<XmlPullParser> parser, |
| 74 | AppInfo* outInfo) { |
| 75 | auto attrIter = parser->findAttribute(u"", u"package"); |
| 76 | if (attrIter == parser->endAttributes() || attrIter->value.empty()) { |
| 77 | logger.error() << "no 'package' attribute found for element <manifest>." << std::endl; |
| 78 | return false; |
| 79 | } |
| 80 | outInfo->package = attrIter->value; |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | } // namespace aapt |