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_NAME_MANGLER_H 18 #define AAPT_NAME_MANGLER_H 19 20 #include <string> 21 22 namespace aapt { 23 24 struct NameMangler { 25 /** 26 * Mangles the name in `outName` with the `package` and stores the mangled 27 * result in `outName`. The mangled name should contain symbols that are 28 * illegal to define in XML, so that there will never be name mangling 29 * collisions. 30 */ 31 static void mangle(const std::u16string& package, std::u16string* outName) { 32 *outName = package + u"$" + *outName; 33 } 34 35 /** 36 * Unmangles the name in `outName`, storing the correct name back in `outName` 37 * and the package in `outPackage`. Returns true if the name was unmangled or 38 * false if the name was never mangled to begin with. 39 */ 40 static bool unmangle(std::u16string* outName, std::u16string* outPackage) { 41 size_t pivot = outName->find(u'$'); 42 if (pivot == std::string::npos) { 43 return false; 44 } 45 46 outPackage->assign(outName->data(), pivot); 47 outName->assign(outName->data() + pivot + 1, outName->size() - (pivot + 1)); 48 return true; 49 } 50 }; 51 52 } // namespace aapt 53 54 #endif // AAPT_NAME_MANGLER_H 55
