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
15 #ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
16 #define RAPIDJSON_INTERNAL_STRFUNC_H_
17
18 #include "../rapidjson.h"
19
20 RAPIDJSON_NAMESPACE_BEGIN
21 namespace internal {
22
23 //! Custom strlen() which works on different character types.
24 /*! \tparam Ch Character type (e.g. char, wchar_t, short)
25 \param s Null-terminated input string.
26 \return Number of characters in the string.
27 \note This has the same semantics as strlen(), the return value is not number of Unicode codepoints.
28 */
29 template <typename Ch>
StrLen(const Ch * s)30 inline SizeType StrLen(const Ch* s) {
31 const Ch* p = s;
32 while (*p) ++p;
33 return SizeType(p - s);
34 }
35
36 } // namespace internal
37 RAPIDJSON_NAMESPACE_END
38
39 #endif // RAPIDJSON_INTERNAL_STRFUNC_H_
40