1 /* 2 * Copyright (C) 2017 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_SPLIT_UTIL_H 18 #define AAPT_SPLIT_UTIL_H 19 20 #include <regex> 21 22 #include "androidfw/StringPiece.h" 23 24 #include "AppInfo.h" 25 #include "Diagnostics.h" 26 #include "SdkConstants.h" 27 #include "filter/ConfigFilter.h" 28 #include "split/TableSplitter.h" 29 #include "util/Maybe.h" 30 #include "xml/XmlDom.h" 31 32 namespace aapt { 33 34 // Parses a configuration density (ex. hdpi, xxhdpi, 234dpi, anydpi, etc). 35 // Returns Nothing and logs a human friendly error message if the string was not legal. 36 Maybe<uint16_t> ParseTargetDensityParameter(const android::StringPiece& arg, IDiagnostics* diag); 37 38 // Parses a string of the form 'path/to/output.apk:<config>[,<config>...]' and fills in 39 // `out_path` with the path and `out_split` with the set of ConfigDescriptions. 40 // Returns false and logs a human friendly error message if the string was not legal. 41 bool ParseSplitParameter(const android::StringPiece& arg, IDiagnostics* diag, std::string* out_path, 42 SplitConstraints* out_split); 43 44 // Parses a set of config filter strings of the form 'en,fr-rFR' and returns an IConfigFilter. 45 // Returns nullptr and logs a human friendly error message if the string was not legal. 46 std::unique_ptr<IConfigFilter> ParseConfigFilterParameters(const std::vector<std::string>& args, 47 IDiagnostics* diag); 48 49 // Adjust the SplitConstraints so that their SDK version is stripped if it 50 // is less than or equal to the min_sdk. Otherwise the resources that have had 51 // their SDK version stripped due to min_sdk won't ever match. 52 std::vector<SplitConstraints> AdjustSplitConstraintsForMinSdk( 53 int min_sdk, const std::vector<SplitConstraints>& split_constraints); 54 55 // Generates a split AndroidManifest.xml given the split constraints and app info. The resulting 56 // XmlResource does not need to be linked via XmlReferenceLinker. 57 // This will never fail/return nullptr. 58 std::unique_ptr<xml::XmlResource> GenerateSplitManifest(const AppInfo& app_info, 59 const SplitConstraints& constraints); 60 61 // Extracts relevant info from the AndroidManifest.xml. 62 Maybe<AppInfo> ExtractAppInfoFromBinaryManifest(const xml::XmlResource& xml_res, 63 IDiagnostics* diag); 64 65 // Returns a copy of 'name' which conforms to the regex '[a-zA-Z]+[a-zA-Z0-9_]*' by 66 // replacing nonconforming characters with underscores. 67 // 68 // See frameworks/base/core/java/android/content/pm/PackageParser.java which 69 // checks this at runtime. 70 std::string MakePackageSafeName(const std::string &name); 71 72 // Sets the versionCode and versionCodeMajor attributes to the version code. Attempts to encode the 73 // version code using the versionCode attribute only, and encodes using both versionCode and 74 // versionCodeMajor if the version code requires more than 32 bits. 75 void SetLongVersionCode(xml::Element* manifest, uint64_t version_code); 76 77 // Returns a case insensitive regular expression based on the input. 78 std::regex GetRegularExpression(const std::string &input); 79 80 } // namespace aapt 81 82 #endif /* AAPT_SPLIT_UTIL_H */ 83
