strfunc.h

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// Tencent is pleased to support the open source community by making RapidJSON available.
// 
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed 
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
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#ifndef RAPIDJSON_INTERNAL_STRFUNC_H_
#define RAPIDJSON_INTERNAL_STRFUNC_H_

#include "../stream.h"

RAPIDJSON_NAMESPACE_BEGIN
namespace internal {


template <typename Ch>
inline SizeType StrLen(const Ch* s) {
 const Ch* p = s;
 while (*p) ++p;
 return SizeType(p - s);
}

template<typename Encoding>
bool CountStringCodePoint(const typename Encoding::Ch* s, SizeType length, SizeType* outCount) {
 GenericStringStream<Encoding> is(s);
 const typename Encoding::Ch* end = s + length;
 SizeType count = 0;
 while (is.src_ < end) {
 unsigned codepoint;
 if (!Encoding::Decode(is, &codepoint))
 return false;
 count++;
 }
 *outCount = count;
 return true;
}

} // namespace internal
RAPIDJSON_NAMESPACE_END

#endif // RAPIDJSON_INTERNAL_STRFUNC_H_