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
19namespace android {
20
21bool 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  if (start[0] == '@') {
30      start++;
31  }
32  const char* current = start;
33  while (current != end) {
34    if (out_type->size() == 0 && *current == '/') {
35      has_type_separator = true;
36      out_type->assign(start, current - start);
37      start = current + 1;
38    } else if (out_package->size() == 0 && *current == ':') {
39      has_package_separator = true;
40      out_package->assign(start, current - start);
41      start = current + 1;
42    }
43    current++;
44  }
45  out_entry->assign(start, end - start);
46
47  return !(has_package_separator && out_package->empty()) &&
48         !(has_type_separator && out_type->empty());
49}
50
51}  // namespace android
52