File xlsx_exporter.cpp

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#include "xlsx_exporter.h"
#include "formatter.h"
#include "workbook.h"
#include <cstdlib>
#include <iostream>
#include <xlsxwriter.h>

namespace Argos {

XLSXExporter::XLSXExporter(ExcelFormatter &formatter) : formatter(formatter) {}

void XLSXExporter::Export(const BenchmarkResult &result,
                          std::ostream &out) const {
  const char *output_buffer = nullptr;
  size_t output_buffer_size = 0;

  lxw_workbook_options options = {};
  options.output_buffer = &output_buffer;
  options.output_buffer_size = &output_buffer_size;

  lxw_workbook *workbook = workbook_new_opt(NULL, &options);

  formatter.Fill(workbook, result);

  lxw_error error = workbook_close(workbook);
  if (error) {
    std::cerr << "Error creating Excel file : " << lxw_strerror(error) << "\n";
    return;
  }

  if (output_buffer && output_buffer_size > 0) {
    out.write(output_buffer, output_buffer_size);
    if (!out) {
      std::cerr << "Failed to write Excel data to the output stream.\n";
    }
  }

  free(const_cast<char *>(output_buffer));
}

} // namespace Argos