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/*
* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/FileSystem/ISO9660FS/Definitions.h>
#include <Kernel/FileSystem/ISO9660FS/DirectoryEntry.h>
#include <Kernel/FileSystem/ISO9660FS/FileSystem.h>
#include <Kernel/Library/KBuffer.h>
namespace Kernel {
class ISO9660DirectoryIterator {
public:
ISO9660DirectoryIterator(ISO9660FS& fs, ISO::DirectoryRecordHeader const& header);
ISO::DirectoryRecordHeader const* operator*() { return m_current_header; }
// Recurses into subdirectories. May fail.
ErrorOr<bool> next();
// Skips to the directory in the list, returns whether there was a next one.
// No allocation here, cannot fail.
bool skip();
bool go_up();
bool done() const;
private:
ErrorOr<void> read_directory_contents();
void get_header();
ISO9660FS& m_fs;
ISO9660FSDirectoryState m_current_directory;
ISO::DirectoryRecordHeader const* m_current_header { nullptr };
Vector<ISO9660FSDirectoryState> m_directory_stack;
};
}
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