matlab/src/featherreadmex.cc

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//   http://www.apache.org/licenses/LICENSE-2.0
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#include <string>

#include <mex.h>

#include "feather_reader.h"
#include "util/handle_status.h"

// MEX gateway function. This is the entry point for featherreadmex.cpp.
void mexFunction(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) {
  const std::string filename{mxArrayToUTF8String(prhs[0])};

  // Read the given Feather file into memory.
  std::shared_ptr<arrow::matlab::FeatherReader> feather_reader{nullptr};
  arrow::matlab::util::HandleStatus(
      arrow::matlab::FeatherReader::Open(filename, &feather_reader));

  // Return the Feather file table variables and table metadata to MATLAB.
  plhs[0] = feather_reader->ReadVariables();
  plhs[1] = feather_reader->ReadMetadata();
}