poco/Foundation/include/Poco/SortedDirectoryIterator.h
2017-10-31 16:01:51 +01:00

71 lines
1.7 KiB
C++

//
// SortedDirectoryIterator.h
//
// Library: Foundation
// Package: Filesystem
// Module: DirectoryIterator
//
// Definition of the SortedDirectoryIterator class.
//
// Copyright (c) 2004-2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_SortedDirectoryIterator_INCLUDED
#define Foundation_SortedDirectoryIterator_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/File.h"
#include "Poco/Path.h"
#include "Poco/DirectoryIterator.h"
#include <deque>
namespace Poco
{
class Foundation_API SortedDirectoryIterator: public DirectoryIterator
/// The SortedDirectoryIterator class is similar to
/// DirectoryIterator class, but places directories before files
/// and sorts content alphabetically.
{
public:
SortedDirectoryIterator();
/// Creates the end iterator.
SortedDirectoryIterator(const std::string& path);
/// Creates a directory iterator for the given path.
SortedDirectoryIterator(const DirectoryIterator& iterator);
/// Creates a directory iterator for the given path.
SortedDirectoryIterator(const File& file);
/// Creates a directory iterator for the given file.
SortedDirectoryIterator(const Path& path);
/// Creates a directory iterator for the given path.
virtual ~SortedDirectoryIterator();
/// Destroys the DirsFirstDirectoryIterator.
virtual SortedDirectoryIterator& operator ++(); // prefix
private:
bool _is_finished;
std::deque<std::string> _directories;
std::deque<std::string> _files;
void next();
/// Take next item
void scan();
/// Scan directory to collect its children directories and files
};
} // namespace Poco
#endif //Foundation_SortedDirectoryIterator_INCLUDED