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VILLASnode/common/include/villas/buffer.hpp
Steffen Vogel 7d10544d79 Apply clang-format changes
Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
2024-02-29 18:58:07 +01:00

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/* 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