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- // Copyright 2015 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef COMPONENTS_SERVICES_FILESYSTEM_UTIL_H_
- #define COMPONENTS_SERVICES_FILESYSTEM_UTIL_H_
- #include <stdint.h>
- #include <string>
- #include "base/files/file.h"
- #include "components/services/filesystem/public/mojom/types.mojom.h"
- namespace filesystem {
- // Validation functions (typically used to check arguments; they return
- // |ERROR_OK| if valid, else the standard/recommended error for the validation
- // error):
- // Checks if |path| is (looks like) a valid (relative) path. (On failure,
- // returns |ERROR_INVALID_ARGUMENT| if |path| is not UTF-8, or
- // |ERROR_PERMISSION_DENIED| if it is not relative.)
- base::File::Error IsPathValid(const std::string& path);
- // Checks if |whence| is a valid (known) |Whence| value. (On failure, returns
- // |ERROR_UNIMPLEMENTED|.)
- base::File::Error IsWhenceValid(mojom::Whence whence);
- // Checks if |offset| is a valid file offset (from some point); this is
- // implementation-dependent (typically checking if |offset| fits in an |off_t|).
- // (On failure, returns |ERROR_OUT_OF_RANGE|.)
- base::File::Error IsOffsetValid(int64_t offset);
- // Conversion functions:
- // Returns the platform dependent error details converted to the
- // filesystem.Error enum.
- base::File::Error GetError(const base::File& file);
- // Serializes Info to the wire format.
- mojom::FileInformationPtr MakeFileInformation(const base::File::Info& info);
- // Creates an absolute file path and ensures that we don't try to traverse up.
- base::File::Error ValidatePath(const std::string& raw_path,
- const base::FilePath& filesystem_base,
- base::FilePath* out);
- } // namespace filesystem
- #endif // COMPONENTS_SERVICES_FILESYSTEM_UTIL_H_
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