mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-16 00:00:02 +01:00
37 lines
916 B
C++
37 lines
916 B
C++
/* A simple buffer for encoding streamed JSON messages.
|
|
*
|
|
* Author: Steffen Vogel <post@steffenvogel.de>
|
|
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
|
|
#include <cstdlib>
|
|
|
|
#include <jansson.h>
|
|
|
|
namespace villas {
|
|
|
|
class Buffer : public std::vector<char> {
|
|
|
|
protected:
|
|
static int callback(const char *data, size_t len, void *ctx);
|
|
|
|
public:
|
|
Buffer(const char *buf, size_type len) : std::vector<char>(buf, buf + len) {}
|
|
|
|
Buffer(size_type count = 0) : std::vector<char>(count, 0) {}
|
|
|
|
// Encode JSON document /p j and append it to the buffer
|
|
int encode(json_t *j, int flags = 0);
|
|
|
|
// Decode JSON document from the beginning of the buffer
|
|
json_t *decode();
|
|
|
|
void append(const char *data, size_t len) { insert(end(), data, data + len); }
|
|
};
|
|
|
|
} // namespace villas
|