1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-09 00:00:00 +01:00
VILLASnode/include/villas/formats/line.hpp
Steffen Vogel 02a2aa4f94 Apply clang-format changes
Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
2023-09-08 11:37:42 +02:00

69 lines
2.1 KiB
C++

/* Line-based formats.
*
* 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 <villas/format.hpp>
namespace villas {
namespace node {
class LineFormat : public Format {
protected:
virtual size_t sprintLine(char *buf, size_t len,
const struct Sample *smp) = 0;
virtual size_t sscanLine(const char *buf, size_t len, struct Sample *smp) = 0;
char delimiter; // Newline delimiter.
char comment; // Prefix for comment lines.
bool skip_first_line; // While reading, the first line is skipped (header)
bool print_header; // Before any data, a header line is printed
bool first_line_skipped;
bool header_printed;
public:
LineFormat(int fl, char delim = '\n', char com = '#')
: Format(fl), delimiter(delim), comment(com), skip_first_line(false),
print_header(true), first_line_skipped(false), header_printed(false) {}
// Print a header
virtual void header(FILE *f, const SignalList::Ptr sigs) {
header_printed = true;
}
virtual int sprint(char *buf, size_t len, size_t *wbytes,
const struct Sample *const smps[], unsigned cnt);
virtual int sscan(const char *buf, size_t len, size_t *rbytes,
struct Sample *const smps[], unsigned cnt);
virtual int scan(FILE *f, struct Sample *const smps[], unsigned cnt);
virtual int print(FILE *f, const struct Sample *const smps[], unsigned cnt);
virtual void parse(json_t *json);
};
template <typename T, const char *name, const char *desc, int flags = 0,
char delimiter = '\n'>
class LineFormatPlugin : public FormatFactory {
public:
using FormatFactory::FormatFactory;
virtual Format *make() { return new T(flags, delimiter); }
/// Get plugin name
virtual std::string getName() const { return name; }
/// Get plugin description
virtual std::string getDescription() const { return desc; }
};
} // namespace node
} // namespace villas