ceres-solver/internal/ceres/file.h

// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2023 Google Inc. All rights reserved.
// http://ceres-solver.org/
//
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// modification, are permitted provided that the following conditions are met:
//
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//   this list of conditions and the following disclaimer.
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// Author: keir@google.com (Keir Mierle)
//
// Simple file IO support. This is a portability shim.

#ifndef CERES_INTERNAL_FILE_H_
#define CERES_INTERNAL_FILE_H_

#include <string>

#include "ceres/internal/disable_warnings.h"
#include "ceres/internal/export.h"

namespace ceres::internal {

CERES_NO_EXPORT
void WriteStringToFileOrDie(const std::string& data,
                            const std::string& filename);
CERES_NO_EXPORT
void ReadFileToStringOrDie(const std::string& filename, std::string* data);

// Join two path components, adding a slash if necessary.  If basename is an
// absolute path then JoinPath ignores dirname and simply returns basename.
CERES_NO_EXPORT
std::string JoinPath(const std::string& dirname, const std::string& basename);

}  // namespace ceres::internal

#include "ceres/internal/reenable_warnings.h"

#endif  // CERES_INTERNAL_FILE_H_