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// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include "lib/ArduinoJson/Json/TextFormatter.hpp"
#include "lib/ArduinoJson/Misc/Visitable.hpp"
#include "lib/ArduinoJson/Serialization/measure.hpp"
#include "lib/ArduinoJson/Serialization/serialize.hpp"
namespace ARDUINOJSON_NAMESPACE {
template <typename TWriter>
class JsonSerializer : public Visitor<size_t> {
public:
static const bool producesText = true;
JsonSerializer(TWriter writer) : _formatter(writer) {}
FORCE_INLINE size_t visitArray(const CollectionData &array) {
write('[');
VariantSlot *slot = array.head();
while (slot != 0) {
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)
break;
write(',');
}
write(']');
return bytesWritten();
}
size_t visitObject(const CollectionData &object) {
write('{');
VariantSlot *slot = object.head();
while (slot != 0) {
_formatter.writeString(slot->key());
write(':');
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)
break;
write(',');
}
write('}');
return bytesWritten();
}
size_t visitFloat(Float value) {
_formatter.writeFloat(value);
return bytesWritten();
}
size_t visitString(const char *value) {
_formatter.writeString(value);
return bytesWritten();
}
size_t visitRawJson(const char *data, size_t n) {
_formatter.writeRaw(data, n);
return bytesWritten();
}
size_t visitSignedInteger(Integer value) {
_formatter.writeInteger(value);
return bytesWritten();
}
size_t visitUnsignedInteger(UInt value) {
_formatter.writeInteger(value);
return bytesWritten();
}
size_t visitBoolean(bool value) {
_formatter.writeBoolean(value);
return bytesWritten();
}
size_t visitNull() {
_formatter.writeRaw("null");
return bytesWritten();
}
protected:
size_t bytesWritten() const {
return _formatter.bytesWritten();
}
void write(char c) {
_formatter.writeRaw(c);
}
void write(const char *s) {
_formatter.writeRaw(s);
}
private:
TextFormatter<TWriter> _formatter;
};
template <typename TSource, typename TDestination>
size_t serializeJson(const TSource &source, TDestination &destination) {
return serialize<JsonSerializer>(source, destination);
}
template <typename TSource>
size_t serializeJson(const TSource &source, void *buffer, size_t bufferSize) {
return serialize<JsonSerializer>(source, buffer, bufferSize);
}
template <typename TSource>
size_t measureJson(const TSource &source) {
return measure<JsonSerializer>(source);
}
#if ARDUINOJSON_ENABLE_STD_STREAM
template <typename T>
inline typename enable_if<IsVisitable<T>::value, std::ostream &>::type
operator<<(std::ostream &os, const T &source) {
serializeJson(source, os);
return os;
}
#endif
} // namespace ARDUINOJSON_NAMESPACE
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