53 lines
975 B
C++
53 lines
975 B
C++
// ArduinoJson - arduinojson.org
|
|
// Copyright Benoit Blanchon 2014-2020
|
|
// MIT License
|
|
|
|
#pragma once
|
|
|
|
#include <Arduino.h>
|
|
|
|
namespace ARDUINOJSON_NAMESPACE {
|
|
|
|
template <>
|
|
class Writer< ::String, void> {
|
|
static const size_t bufferCapacity = ARDUINOJSON_STRING_BUFFER_SIZE;
|
|
|
|
public:
|
|
explicit Writer(::String &str) : _destination(&str) {
|
|
_size = 0;
|
|
}
|
|
|
|
~Writer() {
|
|
flush();
|
|
}
|
|
|
|
size_t write(uint8_t c) {
|
|
ARDUINOJSON_ASSERT(_size < bufferCapacity);
|
|
_buffer[_size++] = static_cast<char>(c);
|
|
if (_size + 1 >= bufferCapacity)
|
|
flush();
|
|
return 1;
|
|
}
|
|
|
|
size_t write(const uint8_t *s, size_t n) {
|
|
for (size_t i = 0; i < n; i++) {
|
|
write(s[i]);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
private:
|
|
void flush() {
|
|
ARDUINOJSON_ASSERT(_size < bufferCapacity);
|
|
_buffer[_size] = 0;
|
|
*_destination += _buffer;
|
|
_size = 0;
|
|
}
|
|
|
|
::String *_destination;
|
|
char _buffer[bufferCapacity];
|
|
size_t _size;
|
|
};
|
|
|
|
} // namespace ARDUINOJSON_NAMESPACE
|