1 | /* |
2 | * Copyright 2021 Google Inc. All rights reserved. |
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 FLATBUFFERS_STRING_H_ |
18 | #define FLATBUFFERS_STRING_H_ |
19 | |
20 | #include "flatbuffers/base.h" |
21 | #include "flatbuffers/vector.h" |
22 | |
23 | namespace flatbuffers { |
24 | |
25 | struct String : public Vector<char> { |
26 | const char *c_str() const { return reinterpret_cast<const char *>(Data()); } |
27 | std::string str() const { return std::string(c_str(), size()); } |
28 | |
29 | // clang-format off |
30 | #ifdef FLATBUFFERS_HAS_STRING_VIEW |
31 | flatbuffers::string_view string_view() const { |
32 | return flatbuffers::string_view(c_str(), size()); |
33 | } |
34 | #endif // FLATBUFFERS_HAS_STRING_VIEW |
35 | // clang-format on |
36 | |
37 | bool operator<(const String &o) const { |
38 | return StringLessThan(this->data(), this->size(), o.data(), o.size()); |
39 | } |
40 | }; |
41 | |
42 | // Convenience function to get std::string from a String returning an empty |
43 | // string on null pointer. |
44 | static inline std::string GetString(const String *str) { |
45 | return str ? str->str() : "" ; |
46 | } |
47 | |
48 | // Convenience function to get char* from a String returning an empty string on |
49 | // null pointer. |
50 | static inline const char *GetCstring(const String *str) { |
51 | return str ? str->c_str() : "" ; |
52 | } |
53 | |
54 | #ifdef FLATBUFFERS_HAS_STRING_VIEW |
55 | // Convenience function to get string_view from a String returning an empty |
56 | // string_view on null pointer. |
57 | static inline flatbuffers::string_view GetStringView(const String *str) { |
58 | return str ? str->string_view() : flatbuffers::string_view(); |
59 | } |
60 | #endif // FLATBUFFERS_HAS_STRING_VIEW |
61 | |
62 | } // namespace flatbuffers |
63 | |
64 | #endif // FLATBUFFERS_STRING_H_ |