VILLASnode/include/villas/formats/column.hpp

/* Comma-separated values.
 *
 * 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 <cstdlib>

#include <villas/formats/line.hpp>

namespace villas {
namespace node {

// Forward declarations
struct Sample;

class ColumnLineFormat : public LineFormat {

protected:
  virtual size_t sprintLine(char *buf, size_t len, const struct Sample *smp);
  virtual size_t sscanLine(const char *buf, size_t len, struct Sample *smp);

  char separator; // Column separator

public:
  ColumnLineFormat(int fl, char delim, char sep)
      : LineFormat(fl, delim), separator(sep) {}

  virtual void header(FILE *f, const SignalList::Ptr sigs);

  virtual void parse(json_t *json);
};

template <const char *name, const char *desc, int flags = 0,
          char delimiter = '\n', char separator = '\t'>
class ColumnLineFormatPlugin : public FormatFactory {

public:
  using FormatFactory::FormatFactory;

  virtual Format *make() {
    return new ColumnLineFormat(flags, delimiter, separator);
  }

  /// Get plugin name
  virtual std::string getName() const { return name; }

  /// Get plugin description
  virtual std::string getDescription() const { return desc; }
};

} // namespace node
} // namespace villas