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 #include "androidfw/ResourceUtils.h" 18 19 namespace android { 20 21 bool ExtractResourceName(const StringPiece& str, StringPiece* out_package, StringPiece* out_type, 22 StringPiece* out_entry) { 23 *out_package = ""; 24 *out_type = ""; 25 bool has_package_separator = false; 26 bool has_type_separator = false; 27 const char* start = str.data(); 28 const char* end = start + str.size(); 29 const char* current = start; 30 while (current != end) { 31 if (out_type->size() == 0 && *current == '/') { 32 has_type_separator = true; 33 out_type->assign(start, current - start); 34 start = current + 1; 35 } else if (out_package->size() == 0 && *current == ':') { 36 has_package_separator = true; 37 out_package->assign(start, current - start); 38 start = current + 1; 39 } 40 current++; 41 } 42 out_entry->assign(start, end - start); 43 44 return !(has_package_separator && out_package->empty()) && 45 !(has_type_separator && out_type->empty()); 46 } 47 48 } // namespace android 49