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