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// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include "lib/ArduinoJson/Namespace.hpp"
#include "lib/ArduinoJson/Strings/FlashStringIterator.hpp"
#include "lib/ArduinoJson/Strings/IsString.hpp"
#include "lib/ArduinoJson/Strings/StoragePolicy.hpp"
namespace ARDUINOJSON_NAMESPACE {
class SizedFlashStringAdapter {
public:
SizedFlashStringAdapter(const __FlashStringHelper* str, size_t sz)
: _str(str), _size(sz) {}
int compare(const char* other) const {
if (!other && !_str)
return 0;
if (!_str)
return -1;
if (!other)
return 1;
return -strncmp_P(other, reinterpret_cast<const char*>(_str), _size);
}
bool equals(const char* expected) const {
return compare(expected) == 0;
}
bool isNull() const {
return !_str;
}
void copyTo(char* p, size_t n) const {
memcpy_P(p, reinterpret_cast<const char*>(_str), n);
}
size_t size() const {
return _size;
}
FlashStringIterator begin() const {
return FlashStringIterator(_str);
}
typedef storage_policies::store_by_copy storage_policy;
private:
const __FlashStringHelper* _str;
size_t _size;
};
inline SizedFlashStringAdapter adaptString(const __FlashStringHelper* str,
size_t sz) {
return SizedFlashStringAdapter(str, sz);
}
} // namespace ARDUINOJSON_NAMESPACE
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