/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS Setup Library
 * FILE:            base/setup/lib/infsupp.h
 * PURPOSE:         Interfacing with Setup* API .INF Files support functions
 * PROGRAMMERS:     Hermes Belusca-Maito (hermes.belusca@sfr.fr)
 */

#pragma once

#include "spapisup.h"

// FIXME: Temporary measure until all the users of this header
// (usetup...) use or define SetupAPI-conforming APIs.
#if defined(_SETUPAPI_H_) || defined(_INC_SETUPAPI)

#include <setupapi.h>

#else

typedef PVOID HINF;
typedef struct _INFCONTEXT
{
    HINF Inf;
    HINF CurrentInf;
    UINT Section;
    UINT Line;
} INFCONTEXT, *PINFCONTEXT;

#endif

C_ASSERT(sizeof(INFCONTEXT) == 2 * sizeof(HINF) + 2 * sizeof(UINT));

/* Lower the MAX_INF_STRING_LENGTH value in order to avoid too much stack usage */
#undef MAX_INF_STRING_LENGTH
#define MAX_INF_STRING_LENGTH   1024 // Still larger than in infcommon.h

#ifndef INF_STYLE_OLDNT
#define INF_STYLE_OLDNT 0x00000001
#endif

#ifndef INF_STYLE_WIN4
#define INF_STYLE_WIN4  0x00000002
#endif


/* FUNCTIONS *****************************************************************/

// #define SetupCloseInfFile InfCloseFile
typedef VOID
(WINAPI* pSpInfCloseInfFile)(
    IN HINF InfHandle);

// #define SetupFindFirstLineW InfpFindFirstLineW
typedef BOOL
(WINAPI* pSpInfFindFirstLine)(
    IN HINF InfHandle,
    IN PCWSTR Section,
    IN PCWSTR Key,
    IN OUT PINFCONTEXT Context);

// #define SetupFindNextLine InfFindNextLine
typedef BOOL
(WINAPI* pSpInfFindNextLine)(
    IN  PINFCONTEXT ContextIn,
    OUT PINFCONTEXT ContextOut);

// #define SetupGetFieldCount InfGetFieldCount
typedef ULONG
(WINAPI* pSpInfGetFieldCount)(
    IN PINFCONTEXT Context);

// #define SetupGetBinaryField InfGetBinaryField
typedef BOOL
(WINAPI* pSpInfGetBinaryField)(
    IN  PINFCONTEXT Context,
    IN  ULONG FieldIndex,
    OUT PUCHAR ReturnBuffer,
    IN  ULONG ReturnBufferSize,
    OUT PULONG RequiredSize);

// #define SetupGetIntField InfGetIntField
typedef BOOL
(WINAPI* pSpInfGetIntField)(
    IN PINFCONTEXT Context,
    IN ULONG FieldIndex,
    OUT INT *IntegerValue); // PINT

// #define SetupGetMultiSzFieldW InfGetMultiSzField
typedef BOOL
(WINAPI* pSpInfGetMultiSzField)(
    IN  PINFCONTEXT Context,
    IN  ULONG FieldIndex,
    OUT PWSTR ReturnBuffer,
    IN  ULONG ReturnBufferSize,
    OUT PULONG RequiredSize);

// #define SetupGetStringFieldW InfGetStringField
typedef BOOL
(WINAPI* pSpInfGetStringField)(
    IN  PINFCONTEXT Context,
    IN  ULONG FieldIndex,
    OUT PWSTR ReturnBuffer,
    IN  ULONG ReturnBufferSize,
    OUT PULONG RequiredSize);

// #define pSetupGetField
typedef PCWSTR
(WINAPI* pSpInfGetField)(
    IN PINFCONTEXT Context,
    IN ULONG FieldIndex);

/* A version of SetupOpenInfFileW with support for a user-provided LCID */
// #define SetupOpenInfFileExW InfpOpenInfFileW
typedef HINF
(WINAPI* pSpInfOpenInfFile)(
    IN PCWSTR FileName,
    IN PCWSTR InfClass,
    IN DWORD InfStyle,
    IN LCID LocaleId,
    OUT PUINT ErrorLine);

typedef struct _SPINF_EXPORTS
{
    pSpInfCloseInfFile    SpInfCloseInfFile;
    pSpInfFindFirstLine   SpInfFindFirstLine;
    pSpInfFindNextLine    SpInfFindNextLine;
    pSpInfGetFieldCount   SpInfGetFieldCount;
    pSpInfGetBinaryField  SpInfGetBinaryField;
    pSpInfGetIntField     SpInfGetIntField;
    pSpInfGetMultiSzField SpInfGetMultiSzField;
    pSpInfGetStringField  SpInfGetStringField;
    pSpInfGetField        SpInfGetField;
    pSpInfOpenInfFile     SpInfOpenInfFile;
} SPINF_EXPORTS, *PSPINF_EXPORTS;

extern /*SPLIBAPI*/ SPINF_EXPORTS SpInfExports;

#define SpInfCloseInfFile       (SpInfExports.SpInfCloseInfFile)
#define SpInfFindFirstLine      (SpInfExports.SpInfFindFirstLine)
#define SpInfFindNextLine       (SpInfExports.SpInfFindNextLine)
#define SpInfGetFieldCount      (SpInfExports.SpInfGetFieldCount)
#define SpInfGetBinaryField     (SpInfExports.SpInfGetBinaryField)
#define SpInfGetIntField        (SpInfExports.SpInfGetIntField)
#define SpInfGetMultiSzField    (SpInfExports.SpInfGetMultiSzField)
#define SpInfGetStringField     (SpInfExports.SpInfGetStringField)
#define SpInfGetField           (SpInfExports.SpInfGetField)
#define SpInfOpenInfFile        (SpInfExports.SpInfOpenInfFile)

/* HELPER FUNCTIONS **********************************************************/

FORCEINLINE
VOID
INF_FreeData(
    IN PCWSTR InfData)
{
#if 0
    if (InfData)
        RtlFreeHeap(ProcessHeap, 0, InfData);
#else
    UNREFERENCED_PARAMETER(InfData);
#endif
}

BOOLEAN
INF_GetDataField(
    IN PINFCONTEXT Context,
    IN ULONG FieldIndex,
    OUT PCWSTR* Data);

BOOLEAN
INF_GetData(
    IN PINFCONTEXT Context,
    OUT PCWSTR* Key,
    OUT PCWSTR* Data);

/* EOF */