strfunc.h 1.4 KB

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  1. // Tencent is pleased to support the open source community by making RapidJSON available.
  2. //
  3. // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
  4. //
  5. // Licensed under the MIT License (the "License"); you may not use this file except
  6. // in compliance with the License. You may obtain a copy of the License at
  7. //
  8. // http://opensource.org/licenses/MIT
  9. //
  10. // Unless required by applicable law or agreed to in writing, software distributed
  11. // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  12. // CONDITIONS OF ANY KIND, either express or implied. See the License for the
  13. // specific language governing permissions and limitations under the License.
  14. #ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
  15. #define RAPIDJSON_INTERNAL_STRFUNC_H_
  16. #include "../rapidjson.h"
  17. RAPIDJSON_NAMESPACE_BEGIN
  18. namespace internal {
  19. //! Custom strlen() which works on different character types.
  20. /*! \tparam Ch Character type (e.g. char, wchar_t, short)
  21. \param s Null-terminated input string.
  22. \return Number of characters in the string.
  23. \note This has the same semantics as strlen(), the return value is not number of Unicode codepoints.
  24. */
  25. template <typename Ch>
  26. inline SizeType StrLen(const Ch* s) {
  27. const Ch* p = s;
  28. while (*p) ++p;
  29. return SizeType(p - s);
  30. }
  31. } // namespace internal
  32. RAPIDJSON_NAMESPACE_END
  33. #endif // RAPIDJSON_INTERNAL_STRFUNC_H_