/* A simple buffer for encoding streamed JSON messages. * * Author: Steffen Vogel * SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include #include #include namespace villas { class Buffer : public std::vector { protected: static int callback(const char *data, size_t len, void *ctx); public: Buffer(const char *buf, size_type len) : std::vector(buf, buf + len) {} Buffer(size_type count = 0) : std::vector(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