Files
thirdparty-ArduinoJson/src/ArduinoJson/Strings/Adapters/ConstRamStringAdapter.hpp
2021-11-24 19:06:49 +01:00

59 lines
1.2 KiB
C++

// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include <stddef.h> // size_t
#include <string.h> // strcmp
#include <ArduinoJson/Polyfills/assert.hpp>
#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
#include <ArduinoJson/Strings/StoragePolicy.hpp>
#include <ArduinoJson/Strings/StringAdapter.hpp>
namespace ARDUINOJSON_NAMESPACE {
template <>
class StringAdapter<const char*> {
public:
StringAdapter(const char* str = 0) : _str(str) {}
int compare(const char* other) const {
return safe_strcmp(_str, other);
}
bool isNull() const {
return !_str;
}
size_t size() const {
if (!_str)
return 0;
return strlen(_str);
}
char operator[](size_t i) const {
ARDUINOJSON_ASSERT(_str != 0);
ARDUINOJSON_ASSERT(i <= size());
return _str[i];
}
const char* data() const {
return _str;
}
typedef storage_policies::store_by_address storage_policy;
protected:
const char* _str;
};
template <int N>
class StringAdapter<const char[N]> : public StringAdapter<const char*> {
public:
StringAdapter(const char* s) : StringAdapter<const char*>(s) {}
};
} // namespace ARDUINOJSON_NAMESPACE