1 /*
2 * Copyright (C) 2016 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 "Arch.h"
18
19 #include <err.h>
20
21 #include <string>
22
to_string(const Arch & arch)23 std::string to_string(const Arch& arch) {
24 switch (arch) {
25 case Arch::arm:
26 return "arm";
27
28 case Arch::arm64:
29 return "arm64";
30
31 case Arch::x86:
32 return "x86";
33
34 case Arch::x86_64:
35 return "x86_64";
36 }
37
38 errx(1, "unknown arch '%zu'", size_t(arch));
39 }
40
41 static const std::unordered_map<std::string, Arch> arch_name_map{
42 {"arm", Arch::arm},
43 {"arm64", Arch::arm64},
44 {"x86", Arch::x86},
45 {"x86_64", Arch::x86_64},
46 };
47
arch_from_string(const std::string & name)48 std::optional<Arch> arch_from_string(const std::string& name) {
49 auto it = arch_name_map.find(name);
50 if (it == arch_name_map.end()) {
51 return std::nullopt;
52 }
53 return std::make_optional(it->second);
54 }
55