/*
 * PROJECT:     ReactOS Setup Library
 * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
 * PURPOSE:     Generic list functions
 * COPYRIGHT:   Copyright 2008-2018 Christoph von Wittich <christoph at reactos.org>
 */

#pragma once

typedef struct _GENERIC_LIST_ENTRY
{
    LIST_ENTRY Entry;
    struct _GENERIC_LIST* List;
    PVOID Data;
    ULONG_PTR UiData;   // Cache variable for any UI list that displays these items
} GENERIC_LIST_ENTRY, *PGENERIC_LIST_ENTRY;

typedef struct _GENERIC_LIST
{
    LIST_ENTRY ListHead;
    ULONG NumOfEntries;
    PGENERIC_LIST_ENTRY CurrentEntry;
} GENERIC_LIST, *PGENERIC_LIST;


PGENERIC_LIST
NTAPI
CreateGenericList(VOID);

VOID
NTAPI
DestroyGenericList(
    IN OUT PGENERIC_LIST List,
    IN BOOLEAN FreeData);

BOOLEAN
NTAPI
AppendGenericListEntry(
    IN OUT PGENERIC_LIST List,
    IN PVOID Data,
    IN BOOLEAN Current);

VOID
NTAPI
SetCurrentListEntry(
    IN PGENERIC_LIST List,
    IN PGENERIC_LIST_ENTRY Entry);

PGENERIC_LIST_ENTRY
NTAPI
GetCurrentListEntry(
    IN PGENERIC_LIST List);

PGENERIC_LIST_ENTRY
NTAPI
GetFirstListEntry(
    IN PGENERIC_LIST List);

PGENERIC_LIST_ENTRY
NTAPI
GetNextListEntry(
    IN PGENERIC_LIST_ENTRY Entry);

PVOID
NTAPI
GetListEntryData(
    IN PGENERIC_LIST_ENTRY Entry);

ULONG_PTR
GetListEntryUiData(
    IN PGENERIC_LIST_ENTRY Entry);

ULONG
NTAPI
GetNumberOfListEntries(
    IN PGENERIC_LIST List);

/* EOF */