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// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include <ArduinoJson/Polyfills/pgmspace.hpp>
#include <ArduinoJson/Strings/FlashStringIterator.hpp>
#include <ArduinoJson/Strings/IsString.hpp>
#include <ArduinoJson/Strings/StoragePolicy.hpp>
namespace ARDUINOJSON_NAMESPACE {
class FlashStringAdapter {
public:
FlashStringAdapter(const __FlashStringHelper* str) : _str(str) {}
int compare(const char* other) const {
if (!other && !_str)
return 0;
if (!_str)
return -1;
if (!other)
return 1;
return -strcmp_P(other, reinterpret_cast<const char*>(_str));
}
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 {
if (!_str)
return 0;
return strlen_P(reinterpret_cast<const char*>(_str));
}
FlashStringIterator begin() const {
return FlashStringIterator(_str);
}
typedef storage_policies::store_by_copy storage_policy;
private:
const __FlashStringHelper* _str;
};
inline FlashStringAdapter adaptString(const __FlashStringHelper* str) {
return FlashStringAdapter(str);
}
template <>
struct IsString<const __FlashStringHelper*> : true_type {};
} // namespace ARDUINOJSON_NAMESPACE
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