Files
ArduinoJson/include/ArduinoJson/StaticJsonBuffer.hpp
2014-10-27 22:50:50 +01:00

37 lines
667 B
C++

// Copyright Benoit Blanchon 2014
// MIT License
//
// Arduino JSON library
// https://github.com/bblanchon/ArduinoJson
#pragma once
#include "ForwardDeclarations.hpp"
#include "JsonBuffer.hpp"
namespace ArduinoJson {
template <int CAPACITY>
class StaticJsonBuffer : public JsonBuffer {
public:
explicit StaticJsonBuffer() : _size(0) {}
virtual ~StaticJsonBuffer() {}
int capacity() { return CAPACITY; }
int size() { return _size; }
protected:
virtual void* alloc(size_t size) {
if (_size + size > CAPACITY) return NULL;
void* p = &_buffer[_size];
_size += size;
return p;
}
private:
char _buffer[CAPACITY];
int _size;
};
}