Line data    Source code

       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       65844 :   const char *c_str() const { return reinterpret_cast<const char *>(Data()); }
      27           1 :   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_