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#pragma once
#include <string>
#include <memory>
namespace DB
{
/**
* Iterator of directory contents
*/
class IDirectoryIterator
{
public:
/// Iterate to the next file.
virtual void next() = 0;
/// Return `true` if the iterator points to a valid element.
virtual bool isValid() const = 0;
/// Path to the file that the iterator currently points to.
virtual std::string path() const = 0;
/// Name of the file that the iterator currently points to.
virtual std::string name() const = 0;
virtual ~IDirectoryIterator() = default;
};
using DirectoryIteratorPtr = std::unique_ptr<IDirectoryIterator>;
}
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