diff options
author | Daniel Friesel <daniel.friesel@uos.de> | 2021-05-12 09:12:09 +0200 |
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committer | Daniel Friesel <daniel.friesel@uos.de> | 2021-05-12 09:12:09 +0200 |
commit | 39895a677e5d370824e702cfe90ebc67737b8482 (patch) | |
tree | ff5b4cc9e373d33a795d50d9333e05549bd9f2b8 /include/lib/ArduinoJson/StringStorage/StringCopier.hpp | |
parent | 42e7fdf01c3a5701bb51e93ad6c650c3dbbc5450 (diff) |
import ArduinoJson 6.18.0
Diffstat (limited to 'include/lib/ArduinoJson/StringStorage/StringCopier.hpp')
-rw-r--r-- | include/lib/ArduinoJson/StringStorage/StringCopier.hpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/StringStorage/StringCopier.hpp b/include/lib/ArduinoJson/StringStorage/StringCopier.hpp new file mode 100644 index 0000000..8b1104b --- /dev/null +++ b/include/lib/ArduinoJson/StringStorage/StringCopier.hpp @@ -0,0 +1,62 @@ +// ArduinoJson - https://arduinojson.org +// Copyright Benoit Blanchon 2014-2021 +// MIT License + +#pragma once + +#include <ArduinoJson/Memory/MemoryPool.hpp> + +namespace ARDUINOJSON_NAMESPACE { + +class StringCopier { + public: + StringCopier(MemoryPool& pool) : _pool(&pool) {} + + void startString() { + _pool->getFreeZone(&_ptr, &_capacity); + _size = 0; + } + + const char* save() { + ARDUINOJSON_ASSERT(_ptr); + return _pool->saveStringFromFreeZone(_size); + } + + void append(const char* s) { + while (*s) append(*s++); + } + + void append(const char* s, size_t n) { + while (n-- > 0) append(*s++); + } + + void append(char c) { + if (!_ptr) + return; + + if (_size >= _capacity) { + _ptr = 0; + _pool->markAsOverflowed(); + return; + } + + _ptr[_size++] = c; + } + + bool isValid() { + return _ptr != 0; + } + + const char* c_str() { + return _ptr; + } + + typedef storage_policies::store_by_copy storage_policy; + + private: + MemoryPool* _pool; + char* _ptr; + size_t _size; + size_t _capacity; +}; +} // namespace ARDUINOJSON_NAMESPACE |