lang.c

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/*
 * PROJECT:     ReactOS user mode libraries
 * LICENSE:     GPL - See COPYING in the top level directory
 * FILE:        reactos/lib/kernel32/misc/lang.c
 * PURPOSE:
 * PROGRAMMERS: ???
 */

#include <k32.h>

#define NDEBUG
#include "../include/debug.h"

/* FIXME:  these are included in winnls.h, however including this file causes alot of
           conflicting type errors. */

#define LOCALE_SYEARMONTH 0x1006
#define LOCALE_IPAPERSIZE 0x100A
#define LOCALE_RETURN_NUMBER 0x20000000
#define LOCALE_USE_CP_ACP 0x40000000
#define LOCALE_LOCALEINFOFLAGSMASK (LOCALE_NOUSEROVERRIDE|LOCALE_USE_CP_ACP|LOCALE_RETURN_NUMBER)

//static LCID SystemLocale = MAKELCID(LANG_ENGLISH, SORT_DEFAULT);

//static RTL_CRITICAL_SECTION LocalesListLock;

/******************************************************************************
 * @implemented
 * RIPPED FROM WINE's dlls\kernel\locale.c rev 1.42
 *
 *    ConvertDefaultLocale (KERNEL32.@)
 *
 * Convert a default locale identifier into a real identifier.
 *
 * PARAMS
 *  lcid [I] LCID identifier of the locale to convert
 *
 * RETURNS
 *  lcid unchanged, if not a default locale or its sublanguage is
 *   not SUBLANG_NEUTRAL.
 *  GetSystemDefaultLCID(), if lcid == LOCALE_SYSTEM_DEFAULT.
 *  GetUserDefaultLCID(), if lcid == LOCALE_USER_DEFAULT or LOCALE_NEUTRAL.
 *  Otherwise, lcid with sublanguage changed to SUBLANG_DEFAULT.
 */
LCID WINAPI
ConvertDefaultLocale(LCID lcid)
{
  LANGID langid;

  switch (lcid)
  {
    case LOCALE_SYSTEM_DEFAULT:
      lcid = GetSystemDefaultLCID();
      break;

    case LOCALE_USER_DEFAULT:
    case LOCALE_NEUTRAL:
      lcid = GetUserDefaultLCID();
      break;

    default:
      /* Replace SUBLANG_NEUTRAL with SUBLANG_DEFAULT */
      langid = LANGIDFROMLCID(lcid);
      if (SUBLANGID(langid) == SUBLANG_NEUTRAL)
      {
        langid = MAKELANGID(PRIMARYLANGID(langid), SUBLANG_DEFAULT);
        lcid = MAKELCID(langid, SORTIDFROMLCID(lcid));
      }
  }

  return lcid;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumCalendarInfoExA(
    CALINFO_ENUMPROCEXA lpCalInfoEnumProcEx,
    LCID                Locale,
    CALID               Calendar,
    CALTYPE             CalType)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumCalendarInfoExW(
    CALINFO_ENUMPROCEXW lpCalInfoEnumProcEx,
    LCID                Locale,
    CALID               Calendar,
    CALTYPE             CalType)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}

/*
 * @unimplemented
 */
BOOL
STDCALL
EnumCalendarInfoW(
    CALINFO_ENUMPROCW lpCalInfoEnumProcEx,
    LCID                Locale,
    CALID               Calendar,
    CALTYPE             CalType)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}

/*
 * @unimplemented
 */
BOOL
STDCALL
EnumDateFormatsExA(
    DATEFMT_ENUMPROCEXA lpDateFmtEnumProcEx,
    LCID                Locale,
    DWORD               dwFlags)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumDateFormatsExW(
    DATEFMT_ENUMPROCEXW lpDateFmtEnumProcEx,
    LCID                Locale,
    DWORD               dwFlags)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumLanguageGroupLocalesA(
    LANGGROUPLOCALE_ENUMPROCA lpLangGroupLocaleEnumProc,
    LGRPID                    LanguageGroup,
    DWORD                     dwFlags,
    LONG_PTR                  lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumLanguageGroupLocalesW(
    LANGGROUPLOCALE_ENUMPROCW lpLangGroupLocaleEnumProc,
    LGRPID                    LanguageGroup,
    DWORD                     dwFlags,
    LONG_PTR                  lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemCodePagesW (
    CODEPAGE_ENUMPROCW  lpCodePageEnumProc,
    DWORD               dwFlags
    )
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemCodePagesA (
    CODEPAGE_ENUMPROCA lpCodePageEnumProc,
    DWORD              dwFlags
    )
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemGeoID(
    GEOCLASS        GeoClass,
    GEOID           ParentGeoId,
    GEO_ENUMPROC    lpGeoEnumProc)
{
  if(!lpGeoEnumProc)
  {
    SetLastError(ERROR_INVALID_PARAMETER);
    return FALSE;
  }

  switch(GeoClass)
  {
    case GEOCLASS_NATION:
      /*RtlEnterCriticalSection(&DllLock);

        FIXME - Get GEO IDs calling Csr

      RtlLeaveCriticalSection(&DllLock);*/

      SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
      break;

    default:
      SetLastError(ERROR_INVALID_FLAGS);
      return FALSE;
  }

  return FALSE;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemLanguageGroupsA(
    LANGUAGEGROUP_ENUMPROCA pLangGroupEnumProc,
    DWORD                   dwFlags,
    LONG_PTR                lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemLanguageGroupsW(
    LANGUAGEGROUP_ENUMPROCW pLangGroupEnumProc,
    DWORD                   dwFlags,
    LONG_PTR                lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumSystemLocalesA (
    LOCALE_ENUMPROCA lpLocaleEnumProc,
    DWORD            dwFlags
    )
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return FALSE;
}


/*
 * @implemented
 */
BOOL
STDCALL
EnumSystemLocalesW (
    LOCALE_ENUMPROCW lpLocaleEnumProc,
    DWORD            dwFlags
    )
{
	NTSTATUS result;
	HANDLE langKey;
	UNICODE_STRING langKeyName = RTL_CONSTANT_STRING(
    L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Nls\\Locale");
	OBJECT_ATTRIBUTES objectAttributes;
	ULONG index, length;
	unsigned char fullInfo[sizeof(KEY_VALUE_FULL_INFORMATION)+255*2]; //FIXME: MAX_PATH*2
	PKEY_VALUE_FULL_INFORMATION pFullInfo;

	//TODO: Combine with EnumSystemLocalesA - maybe by having one common part, driven by some
	//      unicode/non-unicode flag.

	//FIXME: dwFlags is really not used, sorry

	// Check if enum proc is a real one
	if (lpLocaleEnumProc == NULL)
	{
		SetLastError(ERROR_INVALID_PARAMETER);
		return FALSE;
	}

	// Open language registry key
	//FIXME: Should we use critical section here?

	InitializeObjectAttributes(&objectAttributes,
			     &langKeyName,
			     OBJ_CASE_INSENSITIVE,
			     NULL,
			     NULL);

	result = NtOpenKey(&langKey,
			 KEY_READ,
			 &objectAttributes);

	if (!NT_SUCCESS(result))
		return result;

	DPRINT1("Registry key succesfully opened\n");

	length = sizeof(KEY_VALUE_FULL_INFORMATION) + 255*2;//MAX_PATH*sizeof(WCHAR);
	pFullInfo = (PKEY_VALUE_FULL_INFORMATION)&fullInfo;
	RtlZeroMemory(pFullInfo, length);

	index = 0;

	result = NtEnumerateValueKey(langKey,
								index,
								KeyValueFullInformation,
								pFullInfo,
								length,
								&length);

	DPRINT1("First enumerate call result=%x\n", result);
	while (result != STATUS_NO_MORE_ENTRIES)
	{
		int i;
		WCHAR lpLocale[9];

		// TODO: Here we should check, in case dwFlags & LCID_INSTALLED is specified,
		// if this locale is really installed
		// but for now we skip it

		for (i=0; i<8; i++)
			lpLocale[i] = pFullInfo->Name[i];

		lpLocale[8]=0;

		DPRINT1("Locale=%S\n", lpLocale);

		// Call Enum func
		if (!lpLocaleEnumProc((LPWSTR)lpLocale))
            break;

		// Zero previous values
		RtlZeroMemory(pFullInfo, length);

		index++;
		result = NtEnumerateValueKey(langKey, index,KeyValueFullInformation, pFullInfo, length, &length);
	}

	NtClose(langKey);

	return STATUS_SUCCESS;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumUILanguagesA(
    UILANGUAGE_ENUMPROCA lpUILanguageEnumProc,
    DWORD                dwFlags,
    LONG_PTR             lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
EnumUILanguagesW(
    UILANGUAGE_ENUMPROCW lpUILanguageEnumProc,
    DWORD                dwFlags,
    LONG_PTR             lParam)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}

/*
 * @unimplemented
 */
int
STDCALL
GetCalendarInfoA(
    LCID     Locale,
    CALID    Calendar,
    CALTYPE  CalType,
    LPSTR   lpCalData,
    int      cchData,
    LPDWORD  lpValue)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
int
STDCALL
GetCalendarInfoW(
    LCID     Locale,
    CALID    Calendar,
    CALTYPE  CalType,
    LPWSTR   lpCalData,
    int      cchData,
    LPDWORD  lpValue)
{
    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    return 0;
}


/*
 * @unimplemented
 */
BOOL
STDCALL
GetCPInfo (
    UINT        CodePage,
    LPCPINFO    CodePageInfo
    )
{
    unsigned i;

    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);

    CodePageInfo->MaxCharSize = 1;
    CodePageInfo->DefaultChar[0] = '?';
    for (i = 1; i < MAX_DEFAULTCHAR; i++)
	{
	CodePageInfo->DefaultChar[i] = 0;
	}
    for (i = 0; i < MAX_LEADBYTES; i++)
	{
	CodePageInfo->LeadByte[i] = 0;
	}

    return TRUE;
}


/*
 * @unimplemented