Files
ArduinoJson/src/ArduinoJson/Misc/SerializedValue.hpp
2019-08-26 11:57:57 +02:00

69 lines
1.3 KiB
C++

// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2019
// MIT License
#pragma once
#include <ArduinoJson/Strings/StringAdapters.hpp>
namespace ARDUINOJSON_NAMESPACE {
// A special type of data that can be used to insert pregenerated JSON portions.
template <typename T>
class SerializedValue {
public:
explicit SerializedValue(T str) : _str(str) {}
operator T() const {
return _str;
}
const char* data() const {
return _str.c_str();
}
size_t size() const {
// CAUTION: the old Arduino String doesn't have size()
return _str.length();
}
private:
T _str;
};
template <typename TChar>
class SerializedValue<TChar*> {
public:
explicit SerializedValue(TChar* p, size_t n) : _data(p), _size(n) {}
operator TChar*() const {
return _data;
}
TChar* data() const {
return _data;
}
size_t size() const {
return _size;
}
private:
TChar* _data;
size_t _size;
};
template <typename T>
inline SerializedValue<T> serialized(T str) {
return SerializedValue<T>(str);
}
template <typename TChar>
inline SerializedValue<TChar*> serialized(TChar* p) {
return SerializedValue<TChar*>(p, adaptString(p).size());
}
template <typename TChar>
inline SerializedValue<TChar*> serialized(TChar* p, size_t n) {
return SerializedValue<TChar*>(p, n);
}
} // namespace ARDUINOJSON_NAMESPACE