/*
 *    MLANG Class Factory
 *
 * Copyright 2002 Lionel Ulmer
 * Copyright 2003,2004 Mike McCormack
 * Copyright 2004,2005 Dmitry Timoshkov
 * Copyright 2009 Detlef Riekenberg
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"

#include <stdarg.h>
#include <stdio.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "ole2.h"
#include "objbase.h"
#include "rpcproxy.h"
#include "mlang.h"

#include "wine/unicode.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(mlang);

#include "initguid.h"

#define CP_UNICODE 1200

static HRESULT MultiLanguage_create(IUnknown *pUnkOuter, LPVOID *ppObj);
static HRESULT EnumRfc1766_create(LANGID LangId, IEnumRfc1766 **ppEnum);

static HINSTANCE instance;
static DWORD MLANG_tls_index; /* to store various per thead data */

/* FIXME:
 * Under what circumstances HKEY_CLASSES_ROOT\MIME\Database\Codepage and
 * HKEY_CLASSES_ROOT\MIME\Database\Charset are used?
 */

typedef struct
{
    const char *description;
    UINT cp;
    DWORD flags;
    const char *web_charset;
    const char *header_charset;
    const char *body_charset;
} MIME_CP_INFO;

/* These data are based on the codepage info in libs/unicode/cpmap.pl */
/* FIXME: Add 28604 (Celtic), 28606 (Balkan) */

static const MIME_CP_INFO arabic_cp[] =
{
    { "Arabic (864)",
      864, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "ibm864", "ibm864", "ibm864" },
    { "Arabic (1006)",
      1006, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
            MIMECONTF_MIME_LATEST,
      "ibm1006", "ibm1006", "ibm1006" },
    { "Arabic (Windows)",
      1256, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1256", "windows-1256", "windows-1256" },
    { "Arabic (ISO)",
      28596, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-6", "iso-8859-6", "iso-8859-6" }
};
static const MIME_CP_INFO baltic_cp[] =
{
    { "Baltic (DOS)",
      775, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm775", "ibm775", "ibm775" },
    { "Baltic (Windows)",
      1257, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
            MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
            MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
            MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1257", "windows-1257", "windows-1257" },
    { "Baltic (ISO)",
      28594, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
             MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_LATEST,
      "iso-8859-4", "iso-8859-4", "iso-8859-4" },
    { "Estonian (ISO)",
      28603, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "iso-8859-13", "iso-8859-13", "iso-8859-13" }
};
static const MIME_CP_INFO chinese_simplified_cp[] =
{
    { "Chinese Simplified (GB2312)",
      936, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
           MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
           MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "gb2312", "gb2312", "gb2312" }
};
static const MIME_CP_INFO chinese_traditional_cp[] =
{
    { "Chinese Traditional (Big5)",
      950, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
           MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
           MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "big5", "big5", "big5" }
};
static const MIME_CP_INFO central_european_cp[] =
{
    { "Central European (DOS)",
      852, MIMECONTF_BROWSER | MIMECONTF_IMPORT | MIMECONTF_SAVABLE_BROWSER |
           MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "ibm852", "ibm852", "ibm852" },
    { "Central European (Windows)",
      1250, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
            MIMECONTF_MIME_LATEST,
      "windows-1250", "windows-1250", "windows-1250" },
    { "Central European (Mac)",
      10029, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "x-mac-ce", "x-mac-ce", "x-mac-ce" },
    { "Central European (ISO)",
      28592, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-2", "iso-8859-2", "iso-8859-2" }
};
static const MIME_CP_INFO cyrillic_cp[] =
{
    { "OEM Cyrillic",
      855, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm855", "ibm855", "ibm855" },
    { "Cyrillic (DOS)",
      866, MIMECONTF_BROWSER | MIMECONTF_IMPORT | MIMECONTF_SAVABLE_BROWSER |
           MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 |
           MIMECONTF_MIME_LATEST,
      "cp866", "cp866", "cp866" },
#if 0 /* Windows has 20866 as an official code page for KOI8-R */
    { "Cyrillic (KOI8-R)",
      878, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "koi8-r", "koi8-r", "koi8-r" },
#endif
    { "Cyrillic (Windows)",
      1251, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1251", "windows-1251", "windows-1251" },
    { "Cyrillic (Mac)",
      10007, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_LATEST,
      "x-mac-cyrillic", "x-mac-cyrillic", "x-mac-cyrillic" },
    { "Cyrillic (KOI8-R)",
      20866, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "koi8-r", "koi8-r", "koi8-r" },
    { "Cyrillic (KOI8-U)",
      21866, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "koi8-u", "koi8-u", "koi8-u" },
    { "Cyrillic (ISO)",
      28595, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-5", "iso-8859-5", "iso-8859-5" }
};
static const MIME_CP_INFO greek_cp[] =
{
    { "Greek (DOS)",
      737, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "ibm737", "ibm737", "ibm737" },
    { "Greek, Modern (DOS)",
      869, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "ibm869", "ibm869", "ibm869" },
    { "IBM EBCDIC (Greek Modern)",
      875, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "cp875", "cp875", "cp875" },
    { "Greek (Windows)",
      1253, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1253", "windows-1253", "windows-1253" },
    { "Greek (Mac)",
      10006, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_LATEST,
      "x-mac-greek", "x-mac-greek", "x-mac-greek" },
    { "Greek (ISO)",
      28597, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-7", "iso-8859-7", "iso-8859-7" }
};
static const MIME_CP_INFO hebrew_cp[] =
{
    { "Hebrew (424)",
      424, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "ibm424", "ibm424", "ibm424" },
    { "Hebrew (856)",
      856, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "cp856", "cp856", "cp856" },
    { "Hebrew (DOS)",
      862, MIMECONTF_BROWSER | MIMECONTF_MINIMAL | MIMECONTF_IMPORT |
           MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "dos-862", "dos-862", "dos-862" },
    { "Hebrew (Windows)",
      1255, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1255", "windows-1255", "windows-1255" },
    { "Hebrew (ISO-Visual)",
      28598, MIMECONTF_BROWSER | MIMECONTF_MINIMAL | MIMECONTF_IMPORT |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-8", "iso-8859-8", "iso-8859-8" }
};
static const MIME_CP_INFO japanese_cp[] =
{
    { "Japanese (Auto-Select)",
      50932, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "_autodetect", "_autodetect", "_autodetect" },
    { "Japanese (EUC)",
      51932, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "euc-jp", "euc-jp", "euc-jp" },
    { "Japanese (JIS)",
      50220, MIMECONTF_IMPORT | MIMECONTF_MAILNEWS | MIMECONTF_EXPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_VALID_NLS |
             MIMECONTF_PRIVCONVERTER | MIMECONTF_MIME_LATEST |
             MIMECONTF_MIME_IE4,
      "iso-2022-jp","iso-2022-jp","iso-2022-jp"},
    { "Japanese (JIS 0208-1990 and 0212-1990)",
      20932, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
             MIMECONTF_VALID | MIMECONTF_PRIVCONVERTER | MIMECONTF_MIME_LATEST,
      "EUC-JP","EUC-JP","EUC-JP"},
    { "Japanese (JIS-Allow 1 byte Kana)",
      50221, MIMECONTF_MAILNEWS | MIMECONTF_EXPORT | MIMECONTF_SAVABLE_BROWSER |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_VALID_NLS |
             MIMECONTF_VALID | MIMECONTF_PRIVCONVERTER | MIMECONTF_MIME_LATEST,
      "csISO2022JP","iso-2022-jp","iso-2022-jp"},
    { "Japanese (JIS-Allow 1 byte Kana - SO/SI)",
      50222, MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_VALID |
             MIMECONTF_PRIVCONVERTER | MIMECONTF_MIME_LATEST,
      "iso-2022-jp","iso-2022-jp","iso-2022-jp"},
    { "Japanese (Mac)",
      10001, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
             MIMECONTF_VALID | MIMECONTF_PRIVCONVERTER | MIMECONTF_MIME_LATEST,
      "x-mac-japanese","x-mac-japanese","x-mac-japanese"},
    { "Japanese (Shift-JIS)",
      932, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
           MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
           MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "shift_jis", "iso-2022-jp", "iso-2022-jp" }
};
static const MIME_CP_INFO korean_cp[] =
{
    { "Korean",
      949, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
           MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
           MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID_NLS |
           MIMECONTF_MIME_LATEST,
      "ks_c_5601-1987", "ks_c_5601-1987", "ks_c_5601-1987" }
};
static const MIME_CP_INFO thai_cp[] =
{
    { "Thai (Windows)",
      874, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_MIME_LATEST,
      "ibm-thai", "ibm-thai", "ibm-thai" }
};
static const MIME_CP_INFO turkish_cp[] =
{
    { "Turkish (DOS)",
      857, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm857", "ibm857", "ibm857" },
    { "IBM EBCDIC (Turkish Latin-5)",
      1026, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
            MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm1026", "ibm1026", "ibm1026" },
    { "Turkish (Windows)",
      1254, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
            MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
            MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
            MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1254", "windows-1254", "windows-1254" },
    { "Turkish (Mac)",
      10081, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "x-mac-turkish", "x-mac-turkish", "x-mac-turkish" },
    { "Latin 3 (ISO)",
      28593, MIMECONTF_MAILNEWS | MIMECONTF_IMPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "iso-8859-3", "iso-8859-3", "iso-8859-3" },
    { "Turkish (ISO)",
      28599, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
             MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
             MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "iso-8859-9", "iso-8859-9", "iso-8859-9" }
};
static const MIME_CP_INFO vietnamese_cp[] =
{
    { "Vietnamese (Windows)",
      1258, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
            MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
            MIMECONTF_EXPORT | MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 |
            MIMECONTF_MIME_LATEST,
      "windows-1258", "windows-1258", "windows-1258" }
};
static const MIME_CP_INFO western_cp[] =
{
    { "IBM EBCDIC (US-Canada)",
      37, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
          MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm037", "ibm037", "ibm037" },
    { "OEM United States",
      437, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm437", "ibm437", "ibm437" },
    { "IBM EBCDIC (International)",
      500, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm500", "ibm500", "ibm500" },
    { "Western European (DOS)",
      850, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm850", "ibm850", "ibm850" },
    { "Portuguese (DOS)",
      860, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm860", "ibm860", "ibm860" },
    { "Icelandic (DOS)",
      861, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm861", "ibm861", "ibm861" },
    { "French Canadian (DOS)",
      863, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm863", "ibm863", "ibm863" },
    { "Nordic (DOS)",
      865, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
           MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "ibm865", "ibm865", "ibm865" },
    { "Western European (Windows)",
      1252, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_MINIMAL |
            MIMECONTF_IMPORT | MIMECONTF_SAVABLE_MAILNEWS |
            MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT | MIMECONTF_VALID |
            MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "windows-1252", "windows-1252", "iso-8859-1" },
    { "Western European (Mac)",
      10000, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "macintosh", "macintosh", "macintosh" },
    { "Icelandic (Mac)",
      10079, MIMECONTF_IMPORT | MIMECONTF_EXPORT | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "x-mac-icelandic", "x-mac-icelandic", "x-mac-icelandic" },
    { "US-ASCII",
      20127, MIMECONTF_MAILNEWS | MIMECONTF_IMPORT | MIMECONTF_EXPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_VALID |
             MIMECONTF_VALID_NLS | MIMECONTF_MIME_LATEST,
      "us-ascii", "us-ascii", "us-ascii" },
    { "Western European (ISO)",
      28591, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
             MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_LATEST,
      "iso-8859-1", "iso-8859-1", "iso-8859-1" },
    { "Latin 9 (ISO)",
      28605, MIMECONTF_MAILNEWS | MIMECONTF_IMPORT |
             MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
             MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
             MIMECONTF_MIME_LATEST,
      "iso-8859-15", "iso-8859-15", "iso-8859-15" }
};
static const MIME_CP_INFO unicode_cp[] =
{
    { "Unicode",
      CP_UNICODE, MIMECONTF_MINIMAL | MIMECONTF_IMPORT |
                  MIMECONTF_SAVABLE_BROWSER | MIMECONTF_EXPORT |
                  MIMECONTF_VALID | MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 |
                  MIMECONTF_MIME_LATEST,
      "unicode", "unicode", "unicode" },
    { "Unicode (UTF-7)",
      CP_UTF7, MIMECONTF_MAILNEWS | MIMECONTF_IMPORT |
               MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_EXPORT | MIMECONTF_VALID |
               MIMECONTF_VALID_NLS | MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "utf-7", "utf-7", "utf-7" },
    { "Unicode (UTF-8)",
      CP_UTF8, MIMECONTF_MAILNEWS | MIMECONTF_BROWSER | MIMECONTF_IMPORT |
               MIMECONTF_SAVABLE_MAILNEWS | MIMECONTF_SAVABLE_BROWSER |
               MIMECONTF_EXPORT | MIMECONTF_VALID | MIMECONTF_VALID_NLS |
               MIMECONTF_MIME_IE4 | MIMECONTF_MIME_LATEST,
      "utf-8", "utf-8", "utf-8" }
};

static const struct mlang_data
{
    const char *description;
    UINT family_codepage;
    UINT number_of_cp;
    const MIME_CP_INFO *mime_cp_info;
    const char *fixed_font;
    const char *proportional_font;
    SCRIPT_ID sid;
} mlang_data[] =
{
    { "Arabic",1256,sizeof(arabic_cp)/sizeof(arabic_cp[0]),arabic_cp,
      "Courier","Arial", sidArabic }, /* FIXME */
    { "Baltic",1257,sizeof(baltic_cp)/sizeof(baltic_cp[0]),baltic_cp,
      "Courier","Arial", sidAsciiLatin }, /* FIXME */
    { "Chinese Simplified",936,sizeof(chinese_simplified_cp)/sizeof(chinese_simplified_cp[0]),chinese_simplified_cp,
      "Courier","Arial", sidHan }, /* FIXME */
    { "Chinese Traditional",950,sizeof(chinese_traditional_cp)/sizeof(chinese_traditional_cp[0]),chinese_traditional_cp,
      "Courier","Arial", sidBopomofo }, /* FIXME */
    { "Central European",1250,sizeof(central_european_cp)/sizeof(central_european_cp[0]),central_european_cp,
      "Courier","Arial", sidAsciiLatin }, /* FIXME */
    { "Cyrillic",1251,sizeof(cyrillic_cp)/sizeof(cyrillic_cp[0]),cyrillic_cp,
      "Courier","Arial", sidCyrillic }, /* FIXME */
    { "Greek",1253,sizeof(greek_cp)/sizeof(greek_cp[0]),greek_cp,
      "Courier","Arial", sidGreek }, /* FIXME */
    { "Hebrew",1255,sizeof(hebrew_cp)/sizeof(hebrew_cp[0]),hebrew_cp,
      "Courier","Arial", sidHebrew }, /* FIXME */
    { "Japanese",932,sizeof(japanese_cp)/sizeof(japanese_cp[0]),japanese_cp,
      "MS Gothic","MS PGothic", sidKana },
    { "Korean",949,sizeof(korean_cp)/sizeof(korean_cp[0]),korean_cp,
      "Courier","Arial", sidHangul }, /* FIXME */
    { "Thai",874,sizeof(thai_cp)/sizeof(thai_cp[0]),thai_cp,
      "Courier","Arial", sidThai }, /* FIXME */
    { "Turkish",1254,sizeof(turkish_cp)/sizeof(turkish_cp[0]),turkish_cp,
      "Courier","Arial", sidAsciiLatin }, /* FIXME */
    { "Vietnamese",1258,sizeof(vietnamese_cp)/sizeof(vietnamese_cp[0]),vietnamese_cp,
      "Courier","Arial", sidAsciiLatin }, /* FIXME */
    { "Western European",1252,sizeof(western_cp)/sizeof(western_cp[0]),western_cp,
      "Courier","Arial", sidAsciiLatin }, /* FIXME */
    { "Unicode",CP_UNICODE,sizeof(unicode_cp)/sizeof(unicode_cp[0]),unicode_cp,
      "Courier","Arial" } /* FIXME */
};

static void fill_cp_info(const struct mlang_data *ml_data, UINT index, MIMECPINFO *mime_cp_info);

static LONG dll_count;

/*
 * Japanese Detection and Converstion Functions
 */

#define HANKATA(A)  ((A >= 161) && (A <= 223))
#define ISEUC(A)    ((A >= 161) && (A <= 254))
#define NOTEUC(A,B) (((A >= 129) && (A <= 159)) && ((B >= 64) && (B <= 160)))
#define SJIS1(A)    (((A >= 129) && (A <= 159)) || ((A >= 224) && (A <= 239)))
#define SJIS2(A)    ((A >= 64) && (A <= 252))
#define ISMARU(A)   ((A >= 202) && (A <= 206))
#define ISNIGORI(A) (((A >= 182) && (A <= 196)) || ((A >= 202) && (A <= 206)))

static UINT DetectJapaneseCode(LPCSTR input, DWORD count)
{
    UINT code = 0;
    DWORD i = 0;
    unsigned char c1,c2;

    while ((code == 0 || code == 51932) && i < count)
    {
        c1 = input[i];
        if (c1 == 0x1b /* ESC */)
        {
            i++;
            if (i >= count)
                return code;
            c1 = input[i];
            if (c1 == '$')
            {
                i++;
                if (i >= count)
                    return code;
                c1 = input[i];
                if (c1 =='B' || c1 == '@')
                    code = 50220;
            }
            if (c1 == 'K')
                code = 50220;
        }
        else if (c1 >= 129)
        {
            i++;
            if (i >= count)
                return code;
            c2 = input[i];
            if NOTEUC(c1,c2)
                code = 932;
            else if (ISEUC(c1) && ISEUC(c2))
                code = 51932;
            else if (((c1 == 142)) && HANKATA(c2))
                code = 51932;
        }
        i++;
    }
    return code;
}

static inline void jis2sjis(unsigned char *p1, unsigned char *p2)
{
    unsigned char c1 = *p1;
    unsigned char c2 = *p2;
    int row = c1 < 95 ? 112 : 176;
    int cell = c1 % 2 ? 31 + (c2 > 95) : 126;

    *p1 = ((c1 + 1) >> 1) + row;
    *p2 = c2 + cell;
}

static inline void sjis2jis(unsigned char *p1, unsigned char *p2)
{
    unsigned char c1 = *p1;
    unsigned char c2 = *p2;
    int shift = c2 < 159;
    int row = c1 < 160 ? 112 : 176;
    int cell = shift ? (31 + (c2 > 127)): 126;

    *p1 = ((c1 - row) << 1) - shift;
    *p2 -= cell;
}

static int han2zen(unsigned char *p1, unsigned char *p2)
{
    int maru = FALSE;
    int nigori = FALSE;
    static const unsigned char char1[] = {129,129,129,129,129,131,131,131,131,
        131,131,131,131,131,131,129,131,131,131,131,131,131,131,131,131,131,
        131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,
        131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,
        131,129,129 };
    static const unsigned char char2[] = {66,117,118,65,69,146,64,66,68,70,
        72,131,133,135,98,91,65,67,69,71,73,74,76,78,80,82,84,86,88,90,92,94,
        96,99,101,103,105,106,107,108,109,110,113,116,119,122,125,126,128,
        129,130,132,134,136,137,138,139,140,141,143,147,74,75};

    if (( *p2 == 222) && ((ISNIGORI(*p1) || (*p1 == 179))))
            nigori = TRUE;
    else if ((*p2 == 223) && (ISMARU(*p1)))
            maru = TRUE;

    if (*p1 >= 161 && *p1 <= 223)
    {
        unsigned char index = *p1 - 161;
        *p1 = char1[index];
        *p2 = char2[index];
    }

    if (maru || nigori)
    {
        if (nigori)
        {
            if (((*p2 >= 74) && (*p2 <= 103)) || ((*p2 >= 110) && (*p2 <= 122)))
                (*p2)++;
            else if ((*p1 == 131) && (*p2 == 69))
                *p2 = 148;
        }
        else if ((maru) && ((*p2 >= 110) && (*p2 <= 122)))
            *p2+= 2;

        return 1;
    }

    return 0;
}


static UINT ConvertJIS2SJIS(LPCSTR input, DWORD count, LPSTR output)
{
    DWORD i = 0;
    int j = 0;
    unsigned char p2,p;
    int shifted = FALSE;

    while (i < count)
    {
        p = input[i];
        if (p == 0x1b /* ESC */)
        {
            i++;
            if (i >= count)
                return 0;
            p2 = input[i];
            if (p2 == '$' || p2 =='(')
                i++;
            if (p2 == 'K' || p2 =='$')
                shifted = TRUE;
            else
                shifted = FALSE;
        }
        else
        {
            if (shifted)
            {
                i++;
                if (i >= count)
                    return 0;
                p2 = input[i];
                jis2sjis(&p,&p2);
                output[j++]=p;
                output[j++]=p2;
            }
            else
            {
                output[j++] = p;
            }
        }
        i++;
    }
    return j;
}

static inline int exit_shift(LPSTR out, int c)
{
    if (out)
    {
        out[c] = 0x1b;
        out[c+1] = '(';
        out[c+2] = 'B';
    }
    return 3;
}

static inline int enter_shift(LPSTR out, int c)
{
    if (out)
    {
        out[c] = 0x1b;
        out[c+1] = '$';
        out[c+2] = 'B';
    }
    return 3;
}


static UINT ConvertSJIS2JIS(LPCSTR input, DWORD count, LPSTR output)
{
    DWORD i = 0;
    int j = 0;
    unsigned char p2,p;
    int shifted = FALSE;

    while (i < count)
    {
        p = input[i] & 0xff;
        if (p == 10 || p == 13) /* NL and CR */
        {
            if (shifted)
            {
                shifted = FALSE;
                j += exit_shift(output,j);
            }
            if (output)
                output[j++] = p;
            else
                j++;
        }
        else
        {
            if (SJIS1(p))
            {
                i++;
                if (i >= count)
                    return 0;
                p2 = input[i] & 0xff;
                if (SJIS2(p2))
                {
                    sjis2jis(&p,&p2);
                    if (!shifted)
                    {
                        shifted = TRUE;
                        j+=enter_shift(output,j);
                    }
                }

                if (output)
                {
                    output[j++]=p;
                    output[j++]=p2;
                }
                else
                    j+=2;
            }
            else
            {
                if (HANKATA(p))
                {
                    if ((i+1) >= count)
                        return 0;
                    p2 = input[i+1] & 0xff;
                    i+=han2zen(&p,&p2);
                    sjis2jis(&p,&p2);
                    if (!shifted)
                    {
                        shifted = TRUE;
                        j+=enter_shift(output,j);
                    }
                    if (output)
                    {
                        output[j++]=p;
                        output[j++]=p2;
                    }
                    else
                        j+=2;
                }
                else
                {
                    if (shifted)
                    {
                        shifted = FALSE;
                        j += exit_shift(output,j);
                    }
                    if (output)
                        output[j++]=p;
                    else
                        j++;
                }
            }
        }
        i++;
    }
    if (shifted)
        j += exit_shift(output,j);
    return j;
}

static UINT ConvertJISJapaneseToUnicode(LPCSTR input, DWORD count,
                                        LPWSTR output, DWORD out_count)
{
    CHAR *sjis_string;
    UINT rc = 0;
    sjis_string = HeapAlloc(GetProcessHeap(),0,count);
    rc = ConvertJIS2SJIS(input,count,sjis_string);
    if (rc)
    {
        TRACE("%s\n",debugstr_an(sjis_string,rc));
        if (output)
            rc = MultiByteToWideChar(932,0,sjis_string,rc,output,out_count);
        else
            rc = MultiByteToWideChar(932,0,sjis_string,rc,0,0);
    }
    HeapFree(GetProcessHeap(),0,sjis_string);
    return rc;

}

static UINT ConvertUnknownJapaneseToUnicode(LPCSTR input, DWORD count,
                                            LPWSTR output, DWORD out_count)
{
    CHAR *sjis_string;
    UINT rc = 0;
    int code = DetectJapaneseCode(input,count);
    TRACE("Japanese code %i\n",code);

    switch (code)
    {
    case 0:
        if (output)
            rc = MultiByteToWideChar(CP_ACP,0,input,count,output,out_count);
        else
            rc = MultiByteToWideChar(CP_ACP,0,input,count,0,0);
        break;

    case 932:
        if (output)
            rc = MultiByteToWideChar(932,0,input,count,output,out_count);
        else
            rc = MultiByteToWideChar(932,0,input,count,0,0);
        break;

    case 51932:
        if (output)
            rc = MultiByteToWideChar(20932,0,input,count,output,out_count);
        else
            rc = MultiByteToWideChar(20932,0,input,count,0,0);
        break;

    case 50220:
        sjis_string = HeapAlloc(GetProcessHeap(),0,count);
        rc = ConvertJIS2SJIS(input,count,sjis_string);
        if (rc)
        {
            TRACE("%s\n",debugstr_an(sjis_string,rc));
            if (output)
                rc = MultiByteToWideChar(932,0,sjis_string,rc,output,out_count);
            else
                rc = MultiByteToWideChar(932,0,sjis_string,rc,0,0);
        }
        HeapFree(GetProcessHeap(),0,sjis_string);
        break;
    }
    return rc;
}

static UINT ConvertJapaneseUnicodeToJIS(LPCWSTR input, DWORD count,
                                        LPSTR output, DWORD out_count)
{
    CHAR *sjis_string;
    INT len;
    UINT rc = 0;

    len = WideCharToMultiByte(932,0,input,count,0,0,NULL,NULL);
    sjis_string = HeapAlloc(GetProcessHeap(),0,len);
    WideCharToMultiByte(932,0,input,count,sjis_string,len,NULL,NULL);
    TRACE("%s\n",debugstr_an(sjis_string,len));

    rc = ConvertSJIS2JIS(sjis_string, len, NULL);
    if (out_count >= rc)
    {
        ConvertSJIS2JIS(sjis_string, len, output);
    }
    HeapFree(GetProcessHeap(),0,sjis_string);
    return rc;

}

/*
 * Dll lifetime tracking declaration
 */
static void LockModule(void)
{
    InterlockedIncrement(&dll_count);
}

static void UnlockModule(void)
{
    InterlockedDecrement(&dll_count);
}

BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
{
    switch(fdwReason) {
        case DLL_PROCESS_ATTACH:
            instance = hInstDLL;
            MLANG_tls_index = TlsAlloc();
            DisableThreadLibraryCalls(hInstDLL);
	    break;
	case DLL_PROCESS_DETACH:
            TlsFree(MLANG_tls_index);
	    break;
    }
    return TRUE;
}

HRESULT WINAPI ConvertINetMultiByteToUnicode(
    LPDWORD pdwMode,
    DWORD dwEncoding,
    LPCSTR pSrcStr,
    LPINT pcSrcSize,
    LPWSTR pDstStr,
    LPINT pcDstSize)
{
    INT src_len = -1;

    TRACE("%p %d %s %p %p %p\n", pdwMode, dwEncoding,
          debugstr_a(pSrcStr), pcSrcSize, pDstStr, pcDstSize);

    if (!pcDstSize)
        return E_FAIL;

    if (!pcSrcSize)
        pcSrcSize = &src_len;

    if (!*pcSrcSize)
    {
        *pcDstSize = 0;
        return S_OK;
    }

    /* forwarding euc-jp to EUC-JP */
    if (dwEncoding == 51932)
        dwEncoding = 20932;

    switch (dwEncoding)
    {
    case CP_UNICODE:
        if (*pcSrcSize == -1)
            *pcSrcSize = lstrlenW((LPCWSTR)pSrcStr);
        *pcDstSize = min(*pcSrcSize, *pcDstSize);
        *pcSrcSize *= sizeof(WCHAR);
        if (pDstStr)
            memmove(pDstStr, pSrcStr, *pcDstSize * sizeof(WCHAR));
        break;

    case 50220:
    case 50221:
    case 50222:
        *pcDstSize = ConvertJISJapaneseToUnicode(pSrcStr,*pcSrcSize,pDstStr,*pcDstSize);
        break;
    case 50932:
        *pcDstSize = ConvertUnknownJapaneseToUnicode(pSrcStr,*pcSrcSize,pDstStr,*pcDstSize);
        break;

    default:
        if (*pcSrcSize == -1)
            *pcSrcSize = lstrlenA(pSrcStr);

        if (pDstStr)
            *pcDstSize = MultiByteToWideChar(dwEncoding, 0, pSrcStr, *pcSrcSize, pDstStr, *pcDstSize);
        else
            *pcDstSize = MultiByteToWideChar(dwEncoding, 0, pSrcStr, *pcSrcSize, NULL, 0);
        break;
    }
    
    if (!*pcDstSize)
        return E_FAIL;

    return S_OK;
}

HRESULT WINAPI ConvertINetUnicodeToMultiByte(
    LPDWORD pdwMode,
    DWORD dwEncoding,
    LPCWSTR pSrcStr,
    LPINT pcSrcSize,
    LPSTR pDstStr,
    LPINT pcDstSize)
{
    INT destsz, size;
    INT src_len = -1;

    TRACE("%p %d %s %p %p %p\n", pdwMode, dwEncoding,
          debugstr_w(pSrcStr), pcSrcSize, pDstStr, pcDstSize);

    if (!pcDstSize)
        return S_OK;

    if (!pcSrcSize)
        pcSrcSize = &src_len;

    destsz = (pDstStr) ? *pcDstSize : 0;
    *pcDstSize = 0;

    if (!pSrcStr || !*pcSrcSize)
        return S_OK;

    if (*pcSrcSize == -1)
        *pcSrcSize = lstrlenW(pSrcStr);

    /* forwarding euc-jp to EUC-JP */
    if (dwEncoding == 51932)
        dwEncoding = 20932;

    if (dwEncoding == CP_UNICODE)
    {
        if (*pcSrcSize == -1)
            *pcSrcSize = lstrlenW(pSrcStr);

        size = min(*pcSrcSize, destsz) * sizeof(WCHAR);
        if (pDstStr)
            memmove(pDstStr, pSrcStr, size);

        if (size >= destsz)
            goto fail;
    }
    else if (dwEncoding == 50220 || dwEncoding == 50221 || dwEncoding == 50222)
    {
        size = ConvertJapaneseUnicodeToJIS(pSrcStr, *pcSrcSize, NULL, 0);
        if (!size)
            goto fail;

        if (pDstStr)
        {
            size = ConvertJapaneseUnicodeToJIS(pSrcStr, *pcSrcSize, pDstStr,
                                               destsz);
            if (!size)
                goto fail;
        }

    }
    else
    {
        size = WideCharToMultiByte(dwEncoding, 0, pSrcStr, *pcSrcSize,
                                   NULL, 0, NULL, NULL);
        if (!size)
            goto fail;

        if (pDstStr)
        {
            size = WideCharToMultiByte(dwEncoding, 0, pSrcStr, *pcSrcSize,
                                       pDstStr, destsz, NULL, NULL);
            if (!size)
                goto fail;
        }
    }

    *pcDstSize = size;
    return S_OK;

fail:
    *pcSrcSize = 0;
    *pcDstSize = 0;
    return E_FAIL;
}

HRESULT WINAPI ConvertINetString(
    LPDWORD pdwMode,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding,
    LPCSTR pSrcStr,
    LPINT pcSrcSize,
    LPSTR pDstStr,
    LPINT pcDstSize
)
{
    TRACE("%p %d %d %s %p %p %p\n", pdwMode, dwSrcEncoding, dwDstEncoding,
          debugstr_a(pSrcStr), pcSrcSize, pDstStr, pcDstSize);

    if (dwSrcEncoding == CP_UNICODE)
    {
        INT cSrcSizeW;
        if (pcSrcSize && *pcSrcSize != -1)
        {
            cSrcSizeW = *pcSrcSize / sizeof(WCHAR);
            pcSrcSize = &cSrcSizeW;
        }
        return ConvertINetUnicodeToMultiByte(pdwMode, dwDstEncoding, (LPCWSTR)pSrcStr, pcSrcSize, pDstStr, pcDstSize);
    }
    else if (dwDstEncoding == CP_UNICODE)
    {
        HRESULT hr = ConvertINetMultiByteToUnicode(pdwMode, dwSrcEncoding, pSrcStr, pcSrcSize, (LPWSTR)pDstStr, pcDstSize);
        *pcDstSize *= sizeof(WCHAR);
        return hr;
    }
    else
    {
        INT cDstSizeW;
        LPWSTR pDstStrW;
        HRESULT hr;

        TRACE("convert %s from %d to %d\n", debugstr_a(pSrcStr), dwSrcEncoding, dwDstEncoding);

        hr = ConvertINetMultiByteToUnicode(pdwMode, dwSrcEncoding, pSrcStr, pcSrcSize, NULL, &cDstSizeW);
        if (hr != S_OK)
            return hr;

        pDstStrW = HeapAlloc(GetProcessHeap(), 0, cDstSizeW * sizeof(WCHAR));
        hr = ConvertINetMultiByteToUnicode(pdwMode, dwSrcEncoding, pSrcStr, pcSrcSize, pDstStrW, &cDstSizeW);
        if (hr == S_OK)
            hr = ConvertINetUnicodeToMultiByte(pdwMode, dwDstEncoding, pDstStrW, &cDstSizeW, pDstStr, pcDstSize);

        HeapFree(GetProcessHeap(), 0, pDstStrW);
        return hr;
    }
}

static HRESULT GetFamilyCodePage(
    UINT uiCodePage,
    UINT* puiFamilyCodePage)
{
    UINT i, n;

    TRACE("%u %p\n", uiCodePage, puiFamilyCodePage);

    if (!puiFamilyCodePage) return S_FALSE;

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].cp == uiCodePage)
            {
                *puiFamilyCodePage = mlang_data[i].family_codepage;
                return S_OK;
            }
        }
    }

    return S_FALSE;
}

HRESULT WINAPI IsConvertINetStringAvailable(
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding)
{
    UINT src_family, dst_family;

    TRACE("%d %d\n", dwSrcEncoding, dwDstEncoding);

    if (GetFamilyCodePage(dwSrcEncoding, &src_family) != S_OK ||
        GetFamilyCodePage(dwDstEncoding, &dst_family) != S_OK)
        return S_FALSE;

    if (src_family == dst_family) return S_OK;

    /* we can convert any codepage to/from unicode */
    if (src_family == CP_UNICODE || dst_family == CP_UNICODE) return S_OK;

    return S_FALSE;
}

static inline HRESULT lcid_to_rfc1766A( LCID lcid, LPSTR rfc1766, INT len )
{
    CHAR buffer[MAX_RFC1766_NAME];
    INT n = GetLocaleInfoA(lcid, LOCALE_SISO639LANGNAME, buffer, MAX_RFC1766_NAME);
    INT i;

    if (n)
    {
        i = PRIMARYLANGID(lcid);
        if ((((i == LANG_ENGLISH) || (i == LANG_CHINESE) || (i == LANG_ARABIC)) &&
            (SUBLANGID(lcid) == SUBLANG_DEFAULT)) ||
            (SUBLANGID(lcid) > SUBLANG_DEFAULT)) {

            buffer[n - 1] = '-';
            i = GetLocaleInfoA(lcid, LOCALE_SISO3166CTRYNAME, buffer + n, MAX_RFC1766_NAME - n);
            if (!i)
                buffer[n - 1] = '\0';
        }
        else
            i = 0;

        LCMapStringA( LOCALE_USER_DEFAULT, LCMAP_LOWERCASE, buffer, n + i, rfc1766, len );
        return ((n + i) > len) ? E_INVALIDARG : S_OK;
    }
    return E_FAIL;
}

static inline HRESULT lcid_to_rfc1766W( LCID lcid, LPWSTR rfc1766, INT len )
{
    WCHAR buffer[MAX_RFC1766_NAME];
    INT n = GetLocaleInfoW(lcid, LOCALE_SISO639LANGNAME, buffer, MAX_RFC1766_NAME);
    INT i;

    if (n)
    {
        i = PRIMARYLANGID(lcid);
        if ((((i == LANG_ENGLISH) || (i == LANG_CHINESE) || (i == LANG_ARABIC)) &&
            (SUBLANGID(lcid) == SUBLANG_DEFAULT)) ||
            (SUBLANGID(lcid) > SUBLANG_DEFAULT)) {

            buffer[n - 1] = '-';
            i = GetLocaleInfoW(lcid, LOCALE_SISO3166CTRYNAME, buffer + n, MAX_RFC1766_NAME - n);
            if (!i)
                buffer[n - 1] = '\0';
        }
        else
            i = 0;

        LCMapStringW(LOCALE_USER_DEFAULT, LCMAP_LOWERCASE, buffer, n + i, rfc1766, len);
        return ((n + i) > len) ? E_INVALIDARG : S_OK;
    }
    return E_FAIL;
}

HRESULT WINAPI LcidToRfc1766A(
    LCID lcid,
    LPSTR pszRfc1766,
    INT nChar)
{
    TRACE("%04x %p %u\n", lcid, pszRfc1766, nChar);
    if (!pszRfc1766)
        return E_INVALIDARG;

    return lcid_to_rfc1766A(lcid, pszRfc1766, nChar);
}

HRESULT WINAPI LcidToRfc1766W(
    LCID lcid,
    LPWSTR pszRfc1766,
    INT nChar)
{
    TRACE("%04x %p %u\n", lcid, pszRfc1766, nChar);
    if (!pszRfc1766)
        return E_INVALIDARG;

    return lcid_to_rfc1766W(lcid, pszRfc1766, nChar);
}

static HRESULT lcid_from_rfc1766(IEnumRfc1766 *iface, LCID *lcid, LPCWSTR rfc1766)
{
    RFC1766INFO info;
    ULONG num;

    while (IEnumRfc1766_Next(iface, 1, &info, &num) == S_OK)
    {
        if (!strcmpiW(info.wszRfc1766, rfc1766))
        {
            *lcid = info.lcid;
            return S_OK;
        }
        if (strlenW(rfc1766) == 2 && !memcmp(info.wszRfc1766, rfc1766, 2 * sizeof(WCHAR)))
        {
            *lcid = PRIMARYLANGID(info.lcid);
            return S_OK;
        }
    }

    return E_FAIL;
}

HRESULT WINAPI Rfc1766ToLcidW(LCID *pLocale, LPCWSTR pszRfc1766)
{
    IEnumRfc1766 *enumrfc1766;
    HRESULT hr;

    TRACE("(%p, %s)\n", pLocale, debugstr_w(pszRfc1766));

    if (!pLocale || !pszRfc1766)
        return E_INVALIDARG;

    hr = EnumRfc1766_create(0, &enumrfc1766);
    if (FAILED(hr))
        return hr;

    hr = lcid_from_rfc1766(enumrfc1766, pLocale, pszRfc1766);
    IEnumRfc1766_Release(enumrfc1766);

    return hr;
}

HRESULT WINAPI Rfc1766ToLcidA(LCID *lcid, LPCSTR rfc1766A)
{
    WCHAR rfc1766W[MAX_RFC1766_NAME + 1];

    if (!rfc1766A)
        return E_INVALIDARG;

    MultiByteToWideChar(CP_ACP, 0, rfc1766A, -1, rfc1766W, MAX_RFC1766_NAME);
    rfc1766W[MAX_RFC1766_NAME] = 0;

    return Rfc1766ToLcidW(lcid, rfc1766W);
}

/******************************************************************************
 * MLANG ClassFactory
 */
typedef struct {
    IClassFactory ITF_IClassFactory;

    LONG ref;
    HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;

struct object_creation_info
{
    const CLSID *clsid;
    LPCSTR szClassName;
    HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};

static const struct object_creation_info object_creation[] =
{
    { &CLSID_CMultiLanguage, "CLSID_CMultiLanguage", MultiLanguage_create },
};

static HRESULT WINAPI
MLANGCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;

    TRACE("%s\n", debugstr_guid(riid) );

    if (IsEqualGUID(riid, &IID_IUnknown)
	|| IsEqualGUID(riid, &IID_IClassFactory))
    {
	IClassFactory_AddRef(iface);
	*ppobj = This;
	return S_OK;
    }

    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
    return E_NOINTERFACE;
}

static ULONG WINAPI MLANGCF_AddRef(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI MLANGCF_Release(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;

    ULONG ref = InterlockedDecrement(&This->ref);

    if (ref == 0)
    {
        TRACE("Destroying %p\n", This);
	HeapFree(GetProcessHeap(), 0, This);
    }

    return ref;
}

static HRESULT WINAPI MLANGCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
					  REFIID riid, LPVOID *ppobj)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    HRESULT hres;
    LPUNKNOWN punk;
    
    TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);

    *ppobj = NULL;
    hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
    if (SUCCEEDED(hres)) {
        hres = IUnknown_QueryInterface(punk, riid, ppobj);
        IUnknown_Release(punk);
    }
    TRACE("returning (%p) -> %x\n", *ppobj, hres);
    return hres;
}

static HRESULT WINAPI MLANGCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
{
    if (dolock)
        LockModule();
    else
        UnlockModule();

    return S_OK;
}

static const IClassFactoryVtbl MLANGCF_Vtbl =
{
    MLANGCF_QueryInterface,
    MLANGCF_AddRef,
    MLANGCF_Release,
    MLANGCF_CreateInstance,
    MLANGCF_LockServer
};

/******************************************************************
 *		DllGetClassObject (MLANG.@)
 */
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
{
    unsigned int i;
    IClassFactoryImpl *factory;

    TRACE("%s %s %p\n",debugstr_guid(rclsid), debugstr_guid(iid), ppv);

    if ( !IsEqualGUID( &IID_IClassFactory, iid )
	 && ! IsEqualGUID( &IID_IUnknown, iid) )
	return E_NOINTERFACE;

    for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
    {
	if (IsEqualGUID(object_creation[i].clsid, rclsid))
	    break;
    }

    if (i == sizeof(object_creation)/sizeof(object_creation[0]))
    {
	FIXME("%s: no class found.\n", debugstr_guid(rclsid));
	return CLASS_E_CLASSNOTAVAILABLE;
    }

    TRACE("Creating a class factory for %s\n",object_creation[i].szClassName);

    factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
    if (factory == NULL) return E_OUTOFMEMORY;

    factory->ITF_IClassFactory.lpVtbl = &MLANGCF_Vtbl;
    factory->ref = 1;

    factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;

    *ppv = &(factory->ITF_IClassFactory);

    TRACE("(%p) <- %p\n", ppv, &(factory->ITF_IClassFactory) );

    return S_OK;
}


/******************************************************************************/

typedef struct tagMLang_impl
{
    IMLangFontLink IMLangFontLink_iface;
    IMultiLanguage IMultiLanguage_iface;
    IMultiLanguage3 IMultiLanguage3_iface;
    IMLangFontLink2 IMLangFontLink2_iface;
    IMLangLineBreakConsole IMLangLineBreakConsole_iface;
    LONG ref;
    DWORD total_cp, total_scripts;
} MLang_impl;

static ULONG MLang_AddRef( MLang_impl* This)
{
    return InterlockedIncrement(&This->ref);
}

static ULONG MLang_Release( MLang_impl* This )
{
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE("%p ref = %d\n", This, ref);
    if (ref == 0)
    {
        TRACE("Destroying %p\n", This);
	HeapFree(GetProcessHeap(), 0, This);
        UnlockModule();
    }

    return ref;
}

static HRESULT MLang_QueryInterface(
        MLang_impl* This,
        REFIID riid,
        void** ppvObject)
{
    TRACE("%p -> %s\n", This, debugstr_guid(riid) );

    if (IsEqualGUID(riid, &IID_IUnknown)
	|| IsEqualGUID(riid, &IID_IMLangCodePages)
	|| IsEqualGUID(riid, &IID_IMLangFontLink))
    {
	MLang_AddRef(This);
        TRACE("Returning IID_IMLangFontLink %p ref = %d\n", This, This->ref);
	*ppvObject = &This->IMLangFontLink_iface;
	return S_OK;
    }

    if (IsEqualGUID(riid, &IID_IMLangFontLink2))
    {
	MLang_AddRef(This);
        TRACE("Returning IID_IMLangFontLink2 %p ref = %d\n", This, This->ref);
	*ppvObject = &This->IMLangFontLink2_iface;
	return S_OK;
    }

    if (IsEqualGUID(riid, &IID_IMultiLanguage) )
    {
	MLang_AddRef(This);
        TRACE("Returning IID_IMultiLanguage %p ref = %d\n", This, This->ref);
	*ppvObject = &This->IMultiLanguage_iface;
	return S_OK;
    }

    if (IsEqualGUID(riid, &IID_IMultiLanguage2) )
    {
	MLang_AddRef(This);
	*ppvObject = &This->IMultiLanguage3_iface;
        TRACE("Returning IID_IMultiLanguage2 %p ref = %d\n", This, This->ref);
	return S_OK;
    }

    if (IsEqualGUID(riid, &IID_IMultiLanguage3) )
    {
	MLang_AddRef(This);
	*ppvObject = &This->IMultiLanguage3_iface;
        TRACE("Returning IID_IMultiLanguage3 %p ref = %d\n", This, This->ref);
	return S_OK;
    }

    if (IsEqualGUID(riid, &IID_IMLangLineBreakConsole))
    {
	MLang_AddRef(This);
        TRACE("Returning IID_IMLangLineBreakConsole %p ref = %d\n", This, This->ref);
	*ppvObject = &This->IMLangLineBreakConsole_iface;
	return S_OK;
    }


    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
    return E_NOINTERFACE;
}

/******************************************************************************/

typedef struct tagEnumCodePage_impl
{
    IEnumCodePage IEnumCodePage_iface;
    LONG ref;
    MIMECPINFO *cpinfo;
    DWORD total, pos;
} EnumCodePage_impl;

static inline EnumCodePage_impl *impl_from_IEnumCodePage( IEnumCodePage *iface )
{
    return CONTAINING_RECORD( iface, EnumCodePage_impl, IEnumCodePage_iface );
}

static HRESULT WINAPI fnIEnumCodePage_QueryInterface(
        IEnumCodePage* iface,
        REFIID riid,
        void** ppvObject)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );

    TRACE("%p -> %s\n", This, debugstr_guid(riid) );

    if (IsEqualGUID(riid, &IID_IUnknown)
	|| IsEqualGUID(riid, &IID_IEnumCodePage))
    {
	IEnumCodePage_AddRef(iface);
        TRACE("Returning IID_IEnumCodePage %p ref = %d\n", This, This->ref);
	*ppvObject = &This->IEnumCodePage_iface;
        return S_OK;
    }

    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
    return E_NOINTERFACE;
}

static ULONG WINAPI fnIEnumCodePage_AddRef(
        IEnumCodePage* iface)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI fnIEnumCodePage_Release(
        IEnumCodePage* iface)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE("%p ref = %d\n", This, ref);
    if (ref == 0)
    {
        TRACE("Destroying %p\n", This);
        HeapFree(GetProcessHeap(), 0, This->cpinfo);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return ref;
}

static HRESULT WINAPI fnIEnumCodePage_Clone(
        IEnumCodePage* iface,
        IEnumCodePage** ppEnum)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );
    FIXME("%p %p\n", This, ppEnum);
    return E_NOTIMPL;
}

static  HRESULT WINAPI fnIEnumCodePage_Next(
        IEnumCodePage* iface,
        ULONG celt,
        PMIMECPINFO rgelt,
        ULONG* pceltFetched)
{
    ULONG i;
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );

    TRACE("%p %u %p %p\n", This, celt, rgelt, pceltFetched);

    if (!pceltFetched) return S_FALSE;
    *pceltFetched = 0;

    if (!rgelt) return S_FALSE;

    if (This->pos + celt > This->total)
        celt = This->total - This->pos;

    if (!celt) return S_FALSE;

    memcpy(rgelt, This->cpinfo + This->pos, celt * sizeof(MIMECPINFO));
    *pceltFetched = celt;
    This->pos += celt;

    for (i = 0; i < celt; i++)
    {
        TRACE("#%u: %08x %u %u %s %s %s %s %s %s %d\n",
              i, rgelt[i].dwFlags, rgelt[i].uiCodePage,
              rgelt[i].uiFamilyCodePage,
              wine_dbgstr_w(rgelt[i].wszDescription),
              wine_dbgstr_w(rgelt[i].wszWebCharset),
              wine_dbgstr_w(rgelt[i].wszHeaderCharset),
              wine_dbgstr_w(rgelt[i].wszBodyCharset),
              wine_dbgstr_w(rgelt[i].wszFixedWidthFont),
              wine_dbgstr_w(rgelt[i].wszProportionalFont),
              rgelt[i].bGDICharset);
    }
    return S_OK;
}

static HRESULT WINAPI fnIEnumCodePage_Reset(
        IEnumCodePage* iface)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );

    TRACE("%p\n", This);

    This->pos = 0;
    return S_OK;
}

static  HRESULT WINAPI fnIEnumCodePage_Skip(
        IEnumCodePage* iface,
        ULONG celt)
{
    EnumCodePage_impl *This = impl_from_IEnumCodePage( iface );

    TRACE("%p %u\n", This, celt);

    if (celt >= This->total) return S_FALSE;

    This->pos += celt;
    return S_OK;
}

static const IEnumCodePageVtbl IEnumCodePage_vtbl =
{
    fnIEnumCodePage_QueryInterface,
    fnIEnumCodePage_AddRef,
    fnIEnumCodePage_Release,
    fnIEnumCodePage_Clone,
    fnIEnumCodePage_Next,
    fnIEnumCodePage_Reset,
    fnIEnumCodePage_Skip
};

static HRESULT EnumCodePage_create( MLang_impl* mlang, DWORD grfFlags,
                     LANGID LangId, IEnumCodePage** ppEnumCodePage )
{
    EnumCodePage_impl *ecp;
    MIMECPINFO *cpinfo;
    UINT i, n;

    TRACE("%p, %08x, %04x, %p\n", mlang, grfFlags, LangId, ppEnumCodePage);

    if (!grfFlags) /* enumerate internal data base of encodings */
        grfFlags = MIMECONTF_MIME_LATEST;

    ecp = HeapAlloc( GetProcessHeap(), 0, sizeof (EnumCodePage_impl) );
    ecp->IEnumCodePage_iface.lpVtbl = &IEnumCodePage_vtbl;
    ecp->ref = 1;
    ecp->pos = 0;
    ecp->total = 0;
    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].flags & grfFlags)
                ecp->total++;
        }
    }

    ecp->cpinfo = HeapAlloc(GetProcessHeap(), 0,
                            sizeof(MIMECPINFO) * ecp->total);
    cpinfo = ecp->cpinfo;

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].flags & grfFlags)
                fill_cp_info(&mlang_data[i], n, cpinfo++);
        }
    }

    TRACE("enumerated %d codepages with flags %08x\n", ecp->total, grfFlags);

    *ppEnumCodePage = &ecp->IEnumCodePage_iface;

    return S_OK;
}

/******************************************************************************/

typedef struct tagEnumScript_impl
{
    IEnumScript IEnumScript_iface;
    LONG ref;
    SCRIPTINFO *script_info;
    DWORD total, pos;
} EnumScript_impl;

static inline EnumScript_impl *impl_from_IEnumScript( IEnumScript *iface )
{
    return CONTAINING_RECORD( iface, EnumScript_impl, IEnumScript_iface );
}

static HRESULT WINAPI fnIEnumScript_QueryInterface(
        IEnumScript* iface,
        REFIID riid,
        void** ppvObject)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );

    TRACE("%p -> %s\n", This, debugstr_guid(riid) );

    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IEnumScript))
    {
        IEnumScript_AddRef(iface);
        TRACE("Returning IID_IEnumScript %p ref = %d\n", This, This->ref);
        *ppvObject = &This->IEnumScript_iface;
        return S_OK;
    }

    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
    return E_NOINTERFACE;
}

static ULONG WINAPI fnIEnumScript_AddRef(
        IEnumScript* iface)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI fnIEnumScript_Release(
        IEnumScript* iface)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE("%p ref = %d\n", This, ref);
    if (ref == 0)
    {
        TRACE("Destroying %p\n", This);
        HeapFree(GetProcessHeap(), 0, This->script_info);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return ref;
}

static HRESULT WINAPI fnIEnumScript_Clone(
        IEnumScript* iface,
        IEnumScript** ppEnum)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );
    FIXME("%p %p: stub!\n", This, ppEnum);
    return E_NOTIMPL;
}

static  HRESULT WINAPI fnIEnumScript_Next(
        IEnumScript* iface,
        ULONG celt,
        PSCRIPTINFO rgelt,
        ULONG* pceltFetched)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );

    TRACE("%p %u %p %p\n", This, celt, rgelt, pceltFetched);

    if (!pceltFetched || !rgelt) return E_FAIL;

    *pceltFetched = 0;

    if (This->pos + celt > This->total)
        celt = This->total - This->pos;

    if (!celt) return S_FALSE;

    memcpy(rgelt, This->script_info + This->pos, celt * sizeof(SCRIPTINFO));
    *pceltFetched = celt;
    This->pos += celt;

    return S_OK;
}

static HRESULT WINAPI fnIEnumScript_Reset(
        IEnumScript* iface)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );

    TRACE("%p\n", This);

    This->pos = 0;
    return S_OK;
}

static  HRESULT WINAPI fnIEnumScript_Skip(
        IEnumScript* iface,
        ULONG celt)
{
    EnumScript_impl *This = impl_from_IEnumScript( iface );

    TRACE("%p %u\n", This, celt);

    if (celt >= This->total) return S_FALSE;

    This->pos += celt;
    return S_OK;
}

static const IEnumScriptVtbl IEnumScript_vtbl =
{
    fnIEnumScript_QueryInterface,
    fnIEnumScript_AddRef,
    fnIEnumScript_Release,
    fnIEnumScript_Clone,
    fnIEnumScript_Next,
    fnIEnumScript_Reset,
    fnIEnumScript_Skip
};

static HRESULT EnumScript_create( MLang_impl* mlang, DWORD dwFlags,
                     LANGID LangId, IEnumScript** ppEnumScript )
{
    EnumScript_impl *es;
    UINT i;

    TRACE("%p, %08x, %04x, %p: stub!\n", mlang, dwFlags, LangId, ppEnumScript);

    if (!dwFlags) /* enumerate all available scripts */
        dwFlags = SCRIPTCONTF_SCRIPT_USER | SCRIPTCONTF_SCRIPT_HIDE | SCRIPTCONTF_SCRIPT_SYSTEM;

    es = HeapAlloc( GetProcessHeap(), 0, sizeof (EnumScript_impl) );
    es->IEnumScript_iface.lpVtbl = &IEnumScript_vtbl;
    es->ref = 1;
    es->pos = 0;
    /* do not enumerate unicode flavours */
    es->total = sizeof(mlang_data)/sizeof(mlang_data[0]) - 1;
    es->script_info = HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPTINFO) * es->total);

    for (i = 0; i < es->total; i++)
    {
        es->script_info[i].ScriptId = i;
        es->script_info[i].uiCodePage = mlang_data[i].family_codepage;
        MultiByteToWideChar(CP_ACP, 0, mlang_data[i].description, -1,
            es->script_info[i].wszDescription, MAX_SCRIPT_NAME);
        MultiByteToWideChar(CP_ACP, 0, mlang_data[i].fixed_font, -1,
            es->script_info[i].wszFixedWidthFont, MAX_MIMEFACE_NAME);
        MultiByteToWideChar(CP_ACP, 0, mlang_data[i].proportional_font, -1,
            es->script_info[i].wszProportionalFont, MAX_MIMEFACE_NAME);
    }

    TRACE("enumerated %d scripts with flags %08x\n", es->total, dwFlags);

    *ppEnumScript = &es->IEnumScript_iface;

    return S_OK;
}

/******************************************************************************/

static inline MLang_impl *impl_from_IMLangFontLink( IMLangFontLink *iface )
{
    return CONTAINING_RECORD( iface, MLang_impl, IMLangFontLink_iface );
}

static HRESULT WINAPI fnIMLangFontLink_QueryInterface(
        IMLangFontLink* iface,
        REFIID riid,
        void** ppvObject)
{
    MLang_impl *This = impl_from_IMLangFontLink( iface );
    return MLang_QueryInterface( This, riid, ppvObject );
}

static ULONG WINAPI fnIMLangFontLink_AddRef(
        IMLangFontLink* iface)
{
    MLang_impl *This = impl_from_IMLangFontLink( iface );
    return MLang_AddRef( This );
}

static ULONG WINAPI fnIMLangFontLink_Release(
        IMLangFontLink* iface)
{
    MLang_impl *This = impl_from_IMLangFontLink( iface );
    return MLang_Release( This );
}

static HRESULT WINAPI fnIMLangFontLink_GetCharCodePages(
        IMLangFontLink* iface,
        WCHAR chSrc,
        DWORD* pdwCodePages)
{
    int i;
    CHAR buf;
    BOOL used_dc;
    DWORD codePages;

    *pdwCodePages = 0;

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        WideCharToMultiByte(mlang_data[i].family_codepage, WC_NO_BEST_FIT_CHARS,
            &chSrc, 1, &buf, 1, NULL, &used_dc);

        /* If default char is not used, current codepage include the given symbol */
        if (!used_dc)
        {
            IMLangFontLink_CodePageToCodePages(iface,
                mlang_data[i].family_codepage, &codePages);
            *pdwCodePages |= codePages;
        }
    }
    return S_OK;
}

static HRESULT WINAPI fnIMLangFontLink_GetStrCodePages(
        IMLangFontLink* iface,
        const WCHAR* pszSrc,
        LONG cchSrc,
        DWORD dwPriorityCodePages,
        DWORD* pdwCodePages,
        LONG* pcchCodePages)
{
    LONG i;
    DWORD cps = 0;

    TRACE("(%p)->%s %d %x %p %p\n", iface, debugstr_wn(pszSrc, cchSrc), cchSrc, dwPriorityCodePages, pdwCodePages, pcchCodePages);

    if (pdwCodePages) *pdwCodePages = 0;
    if (pcchCodePages) *pcchCodePages = 0;

    if (!pszSrc || !cchSrc || cchSrc < 0)
        return E_INVALIDARG;

    for (i = 0; i < cchSrc; i++)
    {
        DWORD cp;
        HRESULT ret;

        ret = fnIMLangFontLink_GetCharCodePages(iface, pszSrc[i], &cp);
        if (ret != S_OK) return E_FAIL;

        if (!cps) cps = cp;
        else cps &= cp;

        /* FIXME: not tested */
        if (dwPriorityCodePages & cps) break;
    }

    if (pdwCodePages) *pdwCodePages = cps;
    if (pcchCodePages) *pcchCodePages = min( i + 1, cchSrc );
    return S_OK;
}

static HRESULT WINAPI fnIMLangFontLink_CodePageToCodePages(
        IMLangFontLink* iface,
        UINT uCodePage,
        DWORD* pdwCodePages)
{
    MLang_impl *This = impl_from_IMLangFontLink( iface );
    CHARSETINFO cs;
    BOOL rc; 

    TRACE("(%p) Seeking %u\n",This, uCodePage);

    rc = TranslateCharsetInfo((DWORD*)(DWORD_PTR)uCodePage, &cs, TCI_SRCCODEPAGE);

    if (rc)
    {
        *pdwCodePages = cs.fs.fsCsb[0];
        TRACE("resulting CodePages 0x%x\n",*pdwCodePages);
        return S_OK;
    }

    TRACE("CodePage Not Found\n");
    *pdwCodePages = 0;
    return E_FAIL;
}

static HRESULT WINAPI fnIMLangFontLink_CodePagesToCodePage(
        IMLangFontLink* iface,
        DWORD dwCodePages,
        UINT uDefaultCodePage,
        UINT* puCodePage)
{
    MLang_impl *This = impl_from_IMLangFontLink( iface );
    DWORD mask = 0x00000000;
    UINT i;
    CHARSETINFO cs;
    BOOL rc; 

    TRACE("(%p) scanning  0x%x  default page %u\n",This, dwCodePages,
            uDefaultCodePage);

    *puCodePage = 0x00000000;

    rc = TranslateCharsetInfo((DWORD*)(DWORD_PTR)uDefaultCodePage, &cs,
                              TCI_SRCCODEPAGE);

    if (rc && (dwCodePages & cs.fs.fsCsb[0]))
    {
        TRACE("Found Default Codepage\n");
        *puCodePage = uDefaultCodePage;
        return S_OK;
    }

    
    for (i = 0; i < 32; i++)
    {

        mask = 1 << i;
        if (dwCodePages & mask)
        {
            DWORD Csb[2];
            Csb[0] = mask;
            Csb[1] = 0x0;
            rc = TranslateCharsetInfo(Csb, &cs, TCI_SRCFONTSIG);
            if (!rc)
                continue;

            TRACE("Falling back to least significant found CodePage %u\n",
                    cs.ciACP);
            *puCodePage = cs.ciACP;
            return S_OK;
        }
    }

    TRACE("no codepage found\n");
    return E_FAIL;
}

static HRESULT WINAPI fnIMLangFontLink_GetFontCodePages(
        IMLangFontLink* iface,
        HDC hDC,
        HFONT hFont,
        DWORD* pdwCodePages)
{
    HFONT old_font;
    FONTSIGNATURE fontsig;
    MLang_impl *This = impl_from_IMLangFontLink( iface );

    TRACE("(%p)\n",This);

    old_font = SelectObject(hDC,hFont);
    GetTextCharsetInfo(hDC,&fontsig, 0);
    SelectObject(hDC,old_font);

    *pdwCodePages = fontsig.fsCsb[0];
    TRACE("CodePages is 0x%x\n",fontsig.fsCsb[0]);

    return S_OK;
}

static HRESULT WINAPI fnIMLangFontLink_MapFont(
        IMLangFontLink* iface,
        HDC hDC,
        DWORD dwCodePages,
        HFONT hSrcFont,
        HFONT* phDestFont)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink_ReleaseFont(
        IMLangFontLink* iface,
        HFONT hFont)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink_ResetFontMapping(
        IMLangFontLink* iface)
{
    FIXME("\n");
    return E_NOTIMPL;
}


static const IMLangFontLinkVtbl IMLangFontLink_vtbl =
{
    fnIMLangFontLink_QueryInterface,
    fnIMLangFontLink_AddRef,
    fnIMLangFontLink_Release,
    fnIMLangFontLink_GetCharCodePages,
    fnIMLangFontLink_GetStrCodePages,
    fnIMLangFontLink_CodePageToCodePages,
    fnIMLangFontLink_CodePagesToCodePage,
    fnIMLangFontLink_GetFontCodePages,
    fnIMLangFontLink_MapFont,
    fnIMLangFontLink_ReleaseFont,
    fnIMLangFontLink_ResetFontMapping,
};

/******************************************************************************/

static inline MLang_impl *impl_from_IMultiLanguage( IMultiLanguage *iface )
{
    return CONTAINING_RECORD( iface, MLang_impl, IMultiLanguage_iface );
}

static HRESULT WINAPI fnIMultiLanguage_QueryInterface(
    IMultiLanguage* iface,
    REFIID riid,
    void** ppvObject)
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );
    return MLang_QueryInterface( This, riid, ppvObject );
}

static ULONG WINAPI fnIMultiLanguage_AddRef( IMultiLanguage* iface )
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );
    return IMLangFontLink_AddRef( &This->IMLangFontLink_iface );
}

static ULONG WINAPI fnIMultiLanguage_Release( IMultiLanguage* iface )
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );
    return IMLangFontLink_Release( &This->IMLangFontLink_iface );
}

static HRESULT WINAPI fnIMultiLanguage_GetNumberOfCodePageInfo(
    IMultiLanguage* iface,
    UINT* pcCodePage)
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );

    TRACE("(%p, %p)\n", This, pcCodePage);

    if (!pcCodePage) return E_INVALIDARG;

    *pcCodePage = This->total_cp;
    return S_OK;
}

static HRESULT WINAPI fnIMultiLanguage_GetCodePageInfo(
    IMultiLanguage* iface,
    UINT uiCodePage,
    PMIMECPINFO pCodePageInfo)
{
    UINT i, n;
    MLang_impl *This = impl_from_IMultiLanguage( iface );

    TRACE("%p, %u, %p\n", This, uiCodePage, pCodePageInfo);

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].cp == uiCodePage)
            {
                fill_cp_info(&mlang_data[i], n, pCodePageInfo);
                return S_OK;
            }
        }
    }

    return S_FALSE;
}

static HRESULT WINAPI fnIMultiLanguage_GetFamilyCodePage(
    IMultiLanguage* iface,
    UINT uiCodePage,
    UINT* puiFamilyCodePage)
{
    return GetFamilyCodePage(uiCodePage, puiFamilyCodePage);
}

static HRESULT WINAPI fnIMultiLanguage_EnumCodePages(
    IMultiLanguage* iface,
    DWORD grfFlags,
    IEnumCodePage** ppEnumCodePage)
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );

    TRACE("%p %08x %p\n", This, grfFlags, ppEnumCodePage);

    return EnumCodePage_create( This, grfFlags, 0, ppEnumCodePage );
}

static HRESULT WINAPI fnIMultiLanguage_GetCharsetInfo(
    IMultiLanguage* iface,
    BSTR Charset,
    PMIMECSETINFO pCharsetInfo)
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );
    return IMultiLanguage3_GetCharsetInfo( &This->IMultiLanguage3_iface, Charset, pCharsetInfo );
}

static HRESULT WINAPI fnIMultiLanguage_IsConvertible(
    IMultiLanguage* iface,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding)
{
    return IsConvertINetStringAvailable(dwSrcEncoding, dwDstEncoding);
}

static HRESULT WINAPI fnIMultiLanguage_ConvertString(
    IMultiLanguage* iface,
    DWORD* pdwMode,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding,
    BYTE* pSrcStr,
    UINT* pcSrcSize,
    BYTE* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetString(pdwMode, dwSrcEncoding, dwDstEncoding,
        (LPCSTR)pSrcStr, (LPINT)pcSrcSize, (LPSTR)pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage_ConvertStringToUnicode(
    IMultiLanguage* iface,
    DWORD* pdwMode,
    DWORD dwEncoding,
    CHAR* pSrcStr,
    UINT* pcSrcSize,
    WCHAR* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetMultiByteToUnicode(pdwMode, dwEncoding,
        (LPCSTR)pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage_ConvertStringFromUnicode(
    IMultiLanguage* iface,
    DWORD* pdwMode,
    DWORD dwEncoding,
    WCHAR* pSrcStr,
    UINT* pcSrcSize,
    CHAR* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetUnicodeToMultiByte(pdwMode, dwEncoding,
        pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage_ConvertStringReset(
    IMultiLanguage* iface)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage_GetRfc1766FromLcid(
    IMultiLanguage* iface,
    LCID lcid,
    BSTR* pbstrRfc1766)
{
    WCHAR buf[MAX_RFC1766_NAME];

    TRACE("%p %04x %p\n", iface, lcid, pbstrRfc1766);
    if (!pbstrRfc1766)
        return E_INVALIDARG;

    if (!lcid_to_rfc1766W( lcid, buf, MAX_RFC1766_NAME ))
    {
        *pbstrRfc1766 = SysAllocString( buf );
        return S_OK;
    }
    return E_FAIL;
}

static HRESULT WINAPI fnIMultiLanguage_GetLcidFromRfc1766(
    IMultiLanguage* iface,
    LCID* pLocale,
    BSTR bstrRfc1766)
{
    HRESULT hr;
    IEnumRfc1766 *rfc1766;

    TRACE("%p %p %s\n", iface, pLocale, debugstr_w(bstrRfc1766));

    if (!pLocale || !bstrRfc1766)
        return E_INVALIDARG;

    hr = IMultiLanguage_EnumRfc1766(iface, &rfc1766);
    if (FAILED(hr))
        return hr;

    hr = lcid_from_rfc1766(rfc1766, pLocale, bstrRfc1766);

    IEnumRfc1766_Release(rfc1766);
    return hr;
}

/******************************************************************************/

typedef struct tagEnumRfc1766_impl
{
    IEnumRfc1766 IEnumRfc1766_iface;
    LONG ref;
    RFC1766INFO *info;
    DWORD total, pos;
} EnumRfc1766_impl;

static inline EnumRfc1766_impl *impl_from_IEnumRfc1766( IEnumRfc1766 *iface )
{
    return CONTAINING_RECORD( iface, EnumRfc1766_impl, IEnumRfc1766_iface );
}

static HRESULT WINAPI fnIEnumRfc1766_QueryInterface(
        IEnumRfc1766 *iface,
        REFIID riid,
        void** ppvObject)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );

    TRACE("%p -> %s\n", This, debugstr_guid(riid) );

    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IEnumRfc1766))
    {
        IEnumRfc1766_AddRef(iface);
        TRACE("Returning IID_IEnumRfc1766 %p ref = %d\n", This, This->ref);
        *ppvObject = &This->IEnumRfc1766_iface;
        return S_OK;
    }

    WARN("(%p) -> (%s,%p), not found\n",This,debugstr_guid(riid),ppvObject);
    return E_NOINTERFACE;
}

static ULONG WINAPI fnIEnumRfc1766_AddRef(
        IEnumRfc1766 *iface)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );
    return InterlockedIncrement(&This->ref);
}

static ULONG WINAPI fnIEnumRfc1766_Release(
        IEnumRfc1766 *iface)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE("%p ref = %d\n", This, ref);
    if (ref == 0)
    {
        TRACE("Destroying %p\n", This);
        HeapFree(GetProcessHeap(), 0, This->info);
        HeapFree(GetProcessHeap(), 0, This);
    }
    return ref;
}

static HRESULT WINAPI fnIEnumRfc1766_Clone(
        IEnumRfc1766 *iface,
        IEnumRfc1766 **ppEnum)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );

    FIXME("%p %p\n", This, ppEnum);
    return E_NOTIMPL;
}

static  HRESULT WINAPI fnIEnumRfc1766_Next(
        IEnumRfc1766 *iface,
        ULONG celt,
        PRFC1766INFO rgelt,
        ULONG *pceltFetched)
{
    ULONG i;
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );

    TRACE("%p %u %p %p\n", This, celt, rgelt, pceltFetched);

    if (!pceltFetched) return S_FALSE;
    *pceltFetched = 0;

    if (!rgelt) return S_FALSE;

    if (This->pos + celt > This->total)
        celt = This->total - This->pos;

    if (!celt) return S_FALSE;

    memcpy(rgelt, This->info + This->pos, celt * sizeof(RFC1766INFO));
    *pceltFetched = celt;
    This->pos += celt;

    for (i = 0; i < celt; i++)
    {
        TRACE("#%u: %08x %s %s\n",
              i, rgelt[i].lcid,
              wine_dbgstr_w(rgelt[i].wszRfc1766),
              wine_dbgstr_w(rgelt[i].wszLocaleName));
    }
    return S_OK;
}

static HRESULT WINAPI fnIEnumRfc1766_Reset(
        IEnumRfc1766 *iface)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );

    TRACE("%p\n", This);

    This->pos = 0;
    return S_OK;
}

static  HRESULT WINAPI fnIEnumRfc1766_Skip(
        IEnumRfc1766 *iface,
        ULONG celt)
{
    EnumRfc1766_impl *This = impl_from_IEnumRfc1766( iface );

    TRACE("%p %u\n", This, celt);

    if (celt >= This->total) return S_FALSE;

    This->pos += celt;
    return S_OK;
}

static const IEnumRfc1766Vtbl IEnumRfc1766_vtbl =
{
    fnIEnumRfc1766_QueryInterface,
    fnIEnumRfc1766_AddRef,
    fnIEnumRfc1766_Release,
    fnIEnumRfc1766_Clone,
    fnIEnumRfc1766_Next,
    fnIEnumRfc1766_Reset,
    fnIEnumRfc1766_Skip
};

struct enum_locales_data
{
    RFC1766INFO *info;
    DWORD total, allocated;
};

static BOOL CALLBACK enum_locales_proc(LPWSTR locale)
{
    WCHAR *end;
    struct enum_locales_data *data = TlsGetValue(MLANG_tls_index);
    RFC1766INFO *info;

    TRACE("%s\n", debugstr_w(locale));

    if (data->total >= data->allocated)
    {
        data->allocated += 32;
        data->info = HeapReAlloc(GetProcessHeap(), 0, data->info, data->allocated * sizeof(RFC1766INFO));
        if (!data->info) return FALSE;
    }

    info = &data->info[data->total];

    info->lcid = strtolW(locale, &end, 16);
    if (*end) /* invalid number */
        return FALSE;

    info->wszRfc1766[0] = 0;
    lcid_to_rfc1766W( info->lcid, info->wszRfc1766, MAX_RFC1766_NAME );

    info->wszLocaleName[0] = 0;
    GetLocaleInfoW(info->lcid, LOCALE_SLANGUAGE, info->wszLocaleName, MAX_LOCALE_NAME);
    TRACE("ISO639: %s SLANGUAGE: %s\n", wine_dbgstr_w(info->wszRfc1766), wine_dbgstr_w(info->wszLocaleName));
    
    data->total++;

    return TRUE;
}

static HRESULT EnumRfc1766_create(LANGID LangId, IEnumRfc1766 **ppEnum)
{
    EnumRfc1766_impl *rfc;
    struct enum_locales_data data;

    TRACE("%04x, %p\n", LangId, ppEnum);

    rfc = HeapAlloc( GetProcessHeap(), 0, sizeof(EnumRfc1766_impl) );
    rfc->IEnumRfc1766_iface.lpVtbl = &IEnumRfc1766_vtbl;
    rfc->ref = 1;
    rfc->pos = 0;
    rfc->total = 0;

    data.total = 0;
    data.allocated = 160;
    data.info = HeapAlloc(GetProcessHeap(), 0, data.allocated * sizeof(RFC1766INFO));
    if (!data.info)
    {
        HeapFree(GetProcessHeap(), 0, rfc);
        return E_OUTOFMEMORY;
    }

    TlsSetValue(MLANG_tls_index, &data);
    EnumSystemLocalesW(enum_locales_proc, 0/*LOCALE_SUPPORTED*/);
    TlsSetValue(MLANG_tls_index, NULL);

    TRACE("enumerated %d rfc1766 structures\n", data.total);

    if (!data.total)
    {
        HeapFree(GetProcessHeap(), 0, data.info);
        HeapFree(GetProcessHeap(), 0, rfc);
        return E_FAIL;
    }

    rfc->info = data.info;
    rfc->total = data.total;

    *ppEnum = &rfc->IEnumRfc1766_iface;
    return S_OK;
}

static HRESULT WINAPI fnIMultiLanguage_EnumRfc1766(
    IMultiLanguage *iface,
    IEnumRfc1766 **ppEnumRfc1766)
{
    MLang_impl *This = impl_from_IMultiLanguage( iface );

    TRACE("%p %p\n", This, ppEnumRfc1766);

    return EnumRfc1766_create(0, ppEnumRfc1766);
}

/******************************************************************************/

static HRESULT WINAPI fnIMultiLanguage_GetRfc1766Info(
    IMultiLanguage* iface,
    LCID Locale,
    PRFC1766INFO pRfc1766Info)
{
    LCTYPE type = LOCALE_SLANGUAGE;

    TRACE("(%p, 0x%04x, %p)\n", iface, Locale, pRfc1766Info);

    if (!pRfc1766Info)
        return E_INVALIDARG;

    if ((PRIMARYLANGID(Locale) == LANG_ENGLISH) ||
        (PRIMARYLANGID(Locale) == LANG_CHINESE) ||
        (PRIMARYLANGID(Locale) == LANG_ARABIC)) {

        if (!SUBLANGID(Locale))
            type = LOCALE_SENGLANGUAGE; /* suppress country */
    }
    else
    {
        if (!SUBLANGID(Locale)) {
            TRACE("SUBLANGID missing in 0x%04x\n", Locale);
            return E_FAIL;
        }
    }

    pRfc1766Info->lcid = Locale;
    pRfc1766Info->wszRfc1766[0] = 0;
    pRfc1766Info->wszLocaleName[0] = 0;

    if ((!lcid_to_rfc1766W(Locale, pRfc1766Info->wszRfc1766, MAX_RFC1766_NAME)) &&
        (GetLocaleInfoW(Locale, type, pRfc1766Info->wszLocaleName, MAX_LOCALE_NAME) > 0))
            return S_OK;

    /* Locale not supported */
    return E_INVALIDARG;
}

static HRESULT WINAPI fnIMultiLanguage_CreateConvertCharset(
    IMultiLanguage* iface,
    UINT uiSrcCodePage,
    UINT uiDstCodePage,
    DWORD dwProperty,
    IMLangConvertCharset** ppMLangConvertCharset)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static const IMultiLanguageVtbl IMultiLanguage_vtbl =
{
    fnIMultiLanguage_QueryInterface,
    fnIMultiLanguage_AddRef,
    fnIMultiLanguage_Release,
    fnIMultiLanguage_GetNumberOfCodePageInfo,
    fnIMultiLanguage_GetCodePageInfo,
    fnIMultiLanguage_GetFamilyCodePage,
    fnIMultiLanguage_EnumCodePages,
    fnIMultiLanguage_GetCharsetInfo,
    fnIMultiLanguage_IsConvertible,
    fnIMultiLanguage_ConvertString,
    fnIMultiLanguage_ConvertStringToUnicode,
    fnIMultiLanguage_ConvertStringFromUnicode,
    fnIMultiLanguage_ConvertStringReset,
    fnIMultiLanguage_GetRfc1766FromLcid,
    fnIMultiLanguage_GetLcidFromRfc1766,
    fnIMultiLanguage_EnumRfc1766,
    fnIMultiLanguage_GetRfc1766Info,
    fnIMultiLanguage_CreateConvertCharset,
};


/******************************************************************************/

static inline MLang_impl *impl_from_IMultiLanguage3( IMultiLanguage3 *iface )
{
    return CONTAINING_RECORD( iface, MLang_impl, IMultiLanguage3_iface );
}

static HRESULT WINAPI fnIMultiLanguage2_QueryInterface(
    IMultiLanguage3* iface,
    REFIID riid,
    void** ppvObject)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );
    return MLang_QueryInterface( This, riid, ppvObject );
}

static ULONG WINAPI fnIMultiLanguage2_AddRef( IMultiLanguage3* iface )
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );
    return MLang_AddRef( This );
}

static ULONG WINAPI fnIMultiLanguage2_Release( IMultiLanguage3* iface )
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );
    return MLang_Release( This );
}

static HRESULT WINAPI fnIMultiLanguage2_GetNumberOfCodePageInfo(
    IMultiLanguage3* iface,
    UINT* pcCodePage)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p, %p\n", This, pcCodePage);

    if (!pcCodePage) return E_INVALIDARG;

    *pcCodePage = This->total_cp;
    return S_OK;
}

static void fill_cp_info(const struct mlang_data *ml_data, UINT index, MIMECPINFO *mime_cp_info)
{
    CHARSETINFO csi;

    if (TranslateCharsetInfo((DWORD*)(DWORD_PTR)ml_data->family_codepage, &csi,
                             TCI_SRCCODEPAGE))
        mime_cp_info->bGDICharset = csi.ciCharset;
    else
        mime_cp_info->bGDICharset = DEFAULT_CHARSET;

    mime_cp_info->dwFlags = ml_data->mime_cp_info[index].flags;
    mime_cp_info->uiCodePage = ml_data->mime_cp_info[index].cp;
    mime_cp_info->uiFamilyCodePage = ml_data->family_codepage;
    MultiByteToWideChar(CP_ACP, 0, ml_data->mime_cp_info[index].description, -1,
                        mime_cp_info->wszDescription, sizeof(mime_cp_info->wszDescription)/sizeof(WCHAR));
    MultiByteToWideChar(CP_ACP, 0, ml_data->mime_cp_info[index].web_charset, -1,
                        mime_cp_info->wszWebCharset, sizeof(mime_cp_info->wszWebCharset)/sizeof(WCHAR));
    MultiByteToWideChar(CP_ACP, 0, ml_data->mime_cp_info[index].header_charset, -1,
                        mime_cp_info->wszHeaderCharset, sizeof(mime_cp_info->wszHeaderCharset)/sizeof(WCHAR));
    MultiByteToWideChar(CP_ACP, 0, ml_data->mime_cp_info[index].body_charset, -1,
                        mime_cp_info->wszBodyCharset, sizeof(mime_cp_info->wszBodyCharset)/sizeof(WCHAR));

    MultiByteToWideChar(CP_ACP, 0, ml_data->fixed_font, -1,
        mime_cp_info->wszFixedWidthFont, sizeof(mime_cp_info->wszFixedWidthFont)/sizeof(WCHAR));
    MultiByteToWideChar(CP_ACP, 0, ml_data->proportional_font, -1,
        mime_cp_info->wszProportionalFont, sizeof(mime_cp_info->wszProportionalFont)/sizeof(WCHAR));

    TRACE("%08x %u %u %s %s %s %s %s %s %d\n",
          mime_cp_info->dwFlags, mime_cp_info->uiCodePage,
          mime_cp_info->uiFamilyCodePage,
          wine_dbgstr_w(mime_cp_info->wszDescription),
          wine_dbgstr_w(mime_cp_info->wszWebCharset),
          wine_dbgstr_w(mime_cp_info->wszHeaderCharset),
          wine_dbgstr_w(mime_cp_info->wszBodyCharset),
          wine_dbgstr_w(mime_cp_info->wszFixedWidthFont),
          wine_dbgstr_w(mime_cp_info->wszProportionalFont),
          mime_cp_info->bGDICharset);
}

static HRESULT WINAPI fnIMultiLanguage2_GetCodePageInfo(
    IMultiLanguage3* iface,
    UINT uiCodePage,
    LANGID LangId,
    PMIMECPINFO pCodePageInfo)
{
    UINT i, n;
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p, %u, %04x, %p\n", This, uiCodePage, LangId, pCodePageInfo);

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].cp == uiCodePage)
            {
                fill_cp_info(&mlang_data[i], n, pCodePageInfo);
                return S_OK;
            }
        }
    }

    return S_FALSE;
}

static HRESULT WINAPI fnIMultiLanguage2_GetFamilyCodePage(
    IMultiLanguage3* iface,
    UINT uiCodePage,
    UINT* puiFamilyCodePage)
{
    return GetFamilyCodePage(uiCodePage, puiFamilyCodePage);
}

static HRESULT WINAPI fnIMultiLanguage2_EnumCodePages(
    IMultiLanguage3* iface,
    DWORD grfFlags,
    LANGID LangId,
    IEnumCodePage** ppEnumCodePage)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %08x %04x %p\n", This, grfFlags, LangId, ppEnumCodePage);

    return EnumCodePage_create( This, grfFlags, LangId, ppEnumCodePage );
}

static HRESULT WINAPI fnIMultiLanguage2_GetCharsetInfo(
    IMultiLanguage3* iface,
    BSTR Charset,
    PMIMECSETINFO pCharsetInfo)
{
    UINT i, n;
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %s %p\n", This, debugstr_w(Charset), pCharsetInfo);

    if (!pCharsetInfo) return E_FAIL;

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            WCHAR csetW[MAX_MIMECSET_NAME];

            MultiByteToWideChar(CP_ACP, 0, mlang_data[i].mime_cp_info[n].web_charset, -1, csetW, MAX_MIMECSET_NAME);
            if (!lstrcmpiW(Charset, csetW))
            {
                pCharsetInfo->uiCodePage = mlang_data[i].family_codepage;
                pCharsetInfo->uiInternetEncoding = mlang_data[i].mime_cp_info[n].cp;
                strcpyW(pCharsetInfo->wszCharset, csetW);
                return S_OK;
            }
        }
    }

    /* FIXME:
     * Since we do not support charsets like iso-2022-jp and do not have
     * them in our database as a primary (web_charset) encoding this loop
     * does an attempt to 'approximate' charset name by header_charset.
     */
    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            WCHAR csetW[MAX_MIMECSET_NAME];

            MultiByteToWideChar(CP_ACP, 0, mlang_data[i].mime_cp_info[n].header_charset, -1, csetW, MAX_MIMECSET_NAME);
            if (!lstrcmpiW(Charset, csetW))
            {
                pCharsetInfo->uiCodePage = mlang_data[i].family_codepage;
                pCharsetInfo->uiInternetEncoding = mlang_data[i].mime_cp_info[n].cp;
                strcpyW(pCharsetInfo->wszCharset, csetW);
                return S_OK;
            }
        }
    }

    return E_FAIL;
}

static HRESULT WINAPI fnIMultiLanguage2_IsConvertible(
    IMultiLanguage3* iface,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding)
{
    return IsConvertINetStringAvailable(dwSrcEncoding, dwDstEncoding);
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertString(
    IMultiLanguage3* iface,
    DWORD* pdwMode,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding,
    BYTE* pSrcStr,
    UINT* pcSrcSize,
    BYTE* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetString(pdwMode, dwSrcEncoding, dwDstEncoding,
        (LPCSTR)pSrcStr, (LPINT)pcSrcSize, (LPSTR)pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertStringToUnicode(
    IMultiLanguage3* iface,
    DWORD* pdwMode,
    DWORD dwEncoding,
    CHAR* pSrcStr,
    UINT* pcSrcSize,
    WCHAR* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetMultiByteToUnicode(pdwMode, dwEncoding,
        pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertStringFromUnicode(
    IMultiLanguage3* iface,
    DWORD* pdwMode,
    DWORD dwEncoding,
    WCHAR* pSrcStr,
    UINT* pcSrcSize,
    CHAR* pDstStr,
    UINT* pcDstSize)
{
    return ConvertINetUnicodeToMultiByte(pdwMode, dwEncoding,
        pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertStringReset(
    IMultiLanguage3* iface)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage2_GetRfc1766FromLcid(
    IMultiLanguage3* iface,
    LCID lcid,
    BSTR* pbstrRfc1766)
{
    WCHAR buf[MAX_RFC1766_NAME];

    TRACE("%p %04x %p\n", iface, lcid, pbstrRfc1766);
    if (!pbstrRfc1766)
        return E_INVALIDARG;

    if (!lcid_to_rfc1766W( lcid, buf, MAX_RFC1766_NAME ))
    {
        *pbstrRfc1766 = SysAllocString( buf );
        return S_OK;
    }
    return E_FAIL;
}

static HRESULT WINAPI fnIMultiLanguage2_GetLcidFromRfc1766(
    IMultiLanguage3* iface,
    LCID* pLocale,
    BSTR bstrRfc1766)
{
    HRESULT hr;
    IEnumRfc1766 *rfc1766;

    TRACE("%p %p %s\n", iface, pLocale, debugstr_w(bstrRfc1766));

    if (!pLocale || !bstrRfc1766)
        return E_INVALIDARG;

    hr = IMultiLanguage2_EnumRfc1766(iface, 0, &rfc1766);
    if (FAILED(hr))
        return hr;

    hr = lcid_from_rfc1766(rfc1766, pLocale, bstrRfc1766);

    IEnumRfc1766_Release(rfc1766);
    return hr;
}

static HRESULT WINAPI fnIMultiLanguage2_EnumRfc1766(
    IMultiLanguage3* iface,
    LANGID LangId,
    IEnumRfc1766** ppEnumRfc1766)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %p\n", This, ppEnumRfc1766);

    return EnumRfc1766_create(LangId, ppEnumRfc1766);
}

static HRESULT WINAPI fnIMultiLanguage2_GetRfc1766Info(
    IMultiLanguage3* iface,
    LCID Locale,
    LANGID LangId,
    PRFC1766INFO pRfc1766Info)
{
    static LANGID last_lang = -1;
    LCTYPE type = LOCALE_SLANGUAGE;

    TRACE("(%p, 0x%04x, 0x%04x, %p)\n", iface, Locale, LangId, pRfc1766Info);

    if (!pRfc1766Info)
        return E_INVALIDARG;

    if ((PRIMARYLANGID(Locale) == LANG_ENGLISH) ||
        (PRIMARYLANGID(Locale) == LANG_CHINESE) ||
        (PRIMARYLANGID(Locale) == LANG_ARABIC)) {

        if (!SUBLANGID(Locale))
            type = LOCALE_SENGLANGUAGE; /* suppress country */
    }
    else
    {
        if (!SUBLANGID(Locale)) {
            TRACE("SUBLANGID missing in 0x%04x\n", Locale);
            return E_FAIL;
        }
    }

    pRfc1766Info->lcid = Locale;
    pRfc1766Info->wszRfc1766[0] = 0;
    pRfc1766Info->wszLocaleName[0] = 0;

    if ((PRIMARYLANGID(LangId) != LANG_ENGLISH) &&
        (last_lang != LangId)) {
        FIXME("Only English names supported (requested: 0x%04x)\n", LangId);
        last_lang = LangId;
    }

    if ((!lcid_to_rfc1766W(Locale, pRfc1766Info->wszRfc1766, MAX_RFC1766_NAME)) &&
        (GetLocaleInfoW(Locale, type, pRfc1766Info->wszLocaleName, MAX_LOCALE_NAME) > 0))
            return S_OK;

    /* Locale not supported */
    return E_INVALIDARG;
}

static HRESULT WINAPI fnIMultiLanguage2_CreateConvertCharset(
    IMultiLanguage3* iface,
    UINT uiSrcCodePage,
    UINT uiDstCodePage,
    DWORD dwProperty,
    IMLangConvertCharset** ppMLangConvertCharset)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertStringInIStream(
    IMultiLanguage3* iface,
    DWORD* pdwMode,
    DWORD dwFlag,
    WCHAR* lpFallBack,
    DWORD dwSrcEncoding,
    DWORD dwDstEncoding,
    IStream* pstmIn,
    IStream* pstmOut)
{
    char *src, *dst = NULL;
    INT srclen, dstlen;
    STATSTG stat;
    HRESULT hr;

    TRACE("%p %0x8 %s %u %u %p %p\n",
          pdwMode, dwFlag, debugstr_w(lpFallBack), dwSrcEncoding, dwDstEncoding, pstmIn, pstmOut);

    FIXME("dwFlag and lpFallBack not handled\n");

    hr = IStream_Stat(pstmIn, &stat, STATFLAG_NONAME);
    if (FAILED(hr)) return hr;

    if (stat.cbSize.QuadPart > MAXLONG) return E_INVALIDARG;
    if (!(src = HeapAlloc(GetProcessHeap(), 0, stat.cbSize.QuadPart))) return E_OUTOFMEMORY;

    hr = IStream_Read(pstmIn, src, stat.cbSize.QuadPart, (ULONG *)&srclen);
    if (FAILED(hr)) goto exit;

    hr = ConvertINetString(pdwMode, dwSrcEncoding, dwDstEncoding, src, &srclen, NULL, &dstlen);
    if (FAILED(hr)) goto exit;

    if (!(dst = HeapAlloc(GetProcessHeap(), 0, dstlen)))
    {
        hr = E_OUTOFMEMORY;
        goto exit;
    }
    hr = ConvertINetString(pdwMode, dwSrcEncoding, dwDstEncoding, src, &srclen, dst, &dstlen);
    if (FAILED(hr)) goto exit;

    hr = IStream_Write(pstmOut, dst, dstlen, NULL);

exit:
    HeapFree(GetProcessHeap(), 0, src);
    HeapFree(GetProcessHeap(), 0, dst);
    return hr;
}

static HRESULT WINAPI fnIMultiLanguage2_ConvertStringToUnicodeEx(
    IMultiLanguage3* iface,
    DWORD* pdwMode,
    DWORD dwEncoding,
    CHAR* pSrcStr,
    UINT* pcSrcSize,
    WCHAR* pDstStr,
    UINT* pcDstSize,
    DWORD dwFlag,
    WCHAR* lpFallBack)
{
    if (dwFlag || lpFallBack)
        FIXME("Ignoring dwFlag (0x%x/%d) and lpFallBack (%p)\n",
                dwFlag, dwFlag, lpFallBack);

    return ConvertINetMultiByteToUnicode(pdwMode, dwEncoding,
        pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

/*****************************************************************************
 * MultiLanguage2::ConvertStringToUnicodeEx
 *
 * Translates the multibyte string from the specified code page to Unicode.
 *
 * PARAMS
 *   see ConvertStringToUnicode
 *   dwFlag 
 *   lpFallBack if dwFlag contains MLCONVCHARF_USEDEFCHAR, lpFallBack string used
 *              instead unconvertible characters.
 *
 * RETURNS
 *   S_OK     Success.
 *   S_FALSE  The conversion is not supported.
 *   E_FAIL   Some error has occurred.
 *
 * TODO: handle dwFlag and lpFallBack
*/
static HRESULT WINAPI fnIMultiLanguage2_ConvertStringFromUnicodeEx(
    IMultiLanguage3* This,
    DWORD* pdwMode,
    DWORD dwEncoding,
    WCHAR* pSrcStr,
    UINT* pcSrcSize,
    CHAR* pDstStr,
    UINT* pcDstSize,
    DWORD dwFlag,
    WCHAR* lpFallBack)
{
    FIXME("\n");
    return ConvertINetUnicodeToMultiByte(pdwMode, dwEncoding,
        pSrcStr, (LPINT)pcSrcSize, pDstStr, (LPINT)pcDstSize);
}

static HRESULT WINAPI fnIMultiLanguage2_DetectCodepageInIStream(
    IMultiLanguage3* iface,
    DWORD dwFlag,
    DWORD dwPrefWinCodePage,
    IStream* pstmIn,
    DetectEncodingInfo* lpEncoding,
    INT* pnScores)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage2_DetectInputCodepage(
    IMultiLanguage3* iface,
    DWORD dwFlag,
    DWORD dwPrefWinCodePage,
    CHAR* pSrcStr,
    INT* pcSrcSize,
    DetectEncodingInfo* lpEncoding,
    INT* pnScores)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage2_ValidateCodePage(
    IMultiLanguage3* iface,
    UINT uiCodePage,
    HWND hwnd)
{
    return IMultiLanguage2_ValidateCodePageEx(iface,uiCodePage,hwnd,0);
}

static HRESULT WINAPI fnIMultiLanguage2_GetCodePageDescription(
    IMultiLanguage3* iface,
    UINT uiCodePage,
    LCID lcid,
    LPWSTR lpWideCharStr,
    int cchWideChar)
{
    /* Find first instance */
    unsigned int i,n;

    TRACE ("%u, %04x, %p, %d\n", uiCodePage, lcid, lpWideCharStr, cchWideChar);
    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].cp == uiCodePage)
            {
                MultiByteToWideChar(CP_ACP, 0,
                                    mlang_data[i].mime_cp_info[n].description,
                                    -1, lpWideCharStr, cchWideChar);
                return S_OK;
            }
        }
    }

    return S_FALSE;
}

static HRESULT WINAPI fnIMultiLanguage2_IsCodePageInstallable(
    IMultiLanguage3* iface,
    UINT uiCodePage)
{
    TRACE("%u\n", uiCodePage);

    /* FIXME: the installable set is usually larger than the set of valid codepages */
    return IMultiLanguage2_ValidateCodePageEx(iface, uiCodePage, NULL, CPIOD_PEEK);
}

static HRESULT WINAPI fnIMultiLanguage2_SetMimeDBSource(
    IMultiLanguage3* iface,
    MIMECONTF dwSource)
{
    FIXME("0x%08x\n", dwSource);
    return S_OK;
}

static HRESULT WINAPI fnIMultiLanguage2_GetNumberOfScripts(
    IMultiLanguage3* iface,
    UINT* pnScripts)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %p\n", This, pnScripts);

    if (!pnScripts) return S_FALSE;

    *pnScripts = This->total_scripts;
    return S_OK;
}

static HRESULT WINAPI fnIMultiLanguage2_EnumScripts(
    IMultiLanguage3* iface,
    DWORD dwFlags,
    LANGID LangId,
    IEnumScript** ppEnumScript)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %08x %04x %p\n", This, dwFlags, LangId, ppEnumScript);

    return EnumScript_create( This, dwFlags, LangId, ppEnumScript );
}

static HRESULT WINAPI fnIMultiLanguage2_ValidateCodePageEx(
    IMultiLanguage3* iface,
    UINT uiCodePage,
    HWND hwnd,
    DWORD dwfIODControl)
{
    int i;
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    TRACE("%p %u %p %08x\n", This, uiCodePage, hwnd, dwfIODControl);

    /* quick check for kernel32 supported code pages */
    if (IsValidCodePage(uiCodePage))
        return S_OK;

    /* check for mlang supported code pages */
    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        int n;
        for (n = 0; n < mlang_data[i].number_of_cp; n++)
        {
            if (mlang_data[i].mime_cp_info[n].cp == uiCodePage)
                return S_OK;
        }
    }

    if (dwfIODControl != CPIOD_PEEK)
        FIXME("Request to install codepage language pack not handled\n");

    return S_FALSE;
}

static HRESULT WINAPI fnIMultiLanguage3_DetectOutboundCodePage(
    IMultiLanguage3 *iface,
    DWORD dwFlags,
    LPCWSTR lpWideCharStr,
    UINT cchWideChar,
    UINT *puiPreferredCodePages,
    UINT nPreferredCodePages,
    UINT *puiDetectedCodePages,
    UINT *pnDetectedCodePages,
    WCHAR *lpSpecialChar)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    FIXME("(%p)->(%08x %s %u %p %u %p %p %p)\n", This, dwFlags, debugstr_w(lpWideCharStr),
          cchWideChar, puiPreferredCodePages, nPreferredCodePages, puiDetectedCodePages,
          pnDetectedCodePages, lpSpecialChar);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMultiLanguage3_DetectOutboundCodePageInIStream(
    IMultiLanguage3 *iface,
    DWORD dwFlags,
    IStream *pStrIn,
    UINT *puiPreferredCodePages,
    UINT nPreferredCodePages,
    UINT *puiDetectedCodePages,
    UINT *pnDetectedCodePages,
    WCHAR *lpSpecialChar)
{
    MLang_impl *This = impl_from_IMultiLanguage3( iface );

    FIXME("(%p)->(%08x %p %p %u %p %p %p)\n", This, dwFlags, pStrIn,
          puiPreferredCodePages, nPreferredCodePages, puiDetectedCodePages,
          pnDetectedCodePages, lpSpecialChar);
    return E_NOTIMPL;
}

static const IMultiLanguage3Vtbl IMultiLanguage3_vtbl =
{
    fnIMultiLanguage2_QueryInterface,
    fnIMultiLanguage2_AddRef,
    fnIMultiLanguage2_Release,
    fnIMultiLanguage2_GetNumberOfCodePageInfo,
    fnIMultiLanguage2_GetCodePageInfo,
    fnIMultiLanguage2_GetFamilyCodePage,
    fnIMultiLanguage2_EnumCodePages,
    fnIMultiLanguage2_GetCharsetInfo,
    fnIMultiLanguage2_IsConvertible,
    fnIMultiLanguage2_ConvertString,
    fnIMultiLanguage2_ConvertStringToUnicode,
    fnIMultiLanguage2_ConvertStringFromUnicode,
    fnIMultiLanguage2_ConvertStringReset,
    fnIMultiLanguage2_GetRfc1766FromLcid,
    fnIMultiLanguage2_GetLcidFromRfc1766,
    fnIMultiLanguage2_EnumRfc1766,
    fnIMultiLanguage2_GetRfc1766Info,
    fnIMultiLanguage2_CreateConvertCharset,
    fnIMultiLanguage2_ConvertStringInIStream,
    fnIMultiLanguage2_ConvertStringToUnicodeEx,
    fnIMultiLanguage2_ConvertStringFromUnicodeEx,
    fnIMultiLanguage2_DetectCodepageInIStream,
    fnIMultiLanguage2_DetectInputCodepage,
    fnIMultiLanguage2_ValidateCodePage,
    fnIMultiLanguage2_GetCodePageDescription,
    fnIMultiLanguage2_IsCodePageInstallable,
    fnIMultiLanguage2_SetMimeDBSource,
    fnIMultiLanguage2_GetNumberOfScripts,
    fnIMultiLanguage2_EnumScripts,
    fnIMultiLanguage2_ValidateCodePageEx,
    fnIMultiLanguage3_DetectOutboundCodePage,
    fnIMultiLanguage3_DetectOutboundCodePageInIStream
};

/******************************************************************************/

static inline MLang_impl *impl_from_IMLangFontLink2( IMLangFontLink2 *iface )
{
    return CONTAINING_RECORD( iface, MLang_impl, IMLangFontLink2_iface );
}

static HRESULT WINAPI fnIMLangFontLink2_QueryInterface(
    IMLangFontLink2 * iface,
    REFIID riid,
    void** ppvObject)
{
    MLang_impl *This = impl_from_IMLangFontLink2( iface );
    return MLang_QueryInterface( This, riid, ppvObject );
}

static ULONG WINAPI fnIMLangFontLink2_AddRef( IMLangFontLink2* iface )
{
    MLang_impl *This = impl_from_IMLangFontLink2( iface );
    return MLang_AddRef( This );
}

static ULONG WINAPI fnIMLangFontLink2_Release( IMLangFontLink2* iface )
{
    MLang_impl *This = impl_from_IMLangFontLink2( iface );
    return MLang_Release( This );
}

static HRESULT WINAPI fnIMLangFontLink2_GetCharCodePages( IMLangFontLink2* This,
        WCHAR chSrc, DWORD *pdwCodePages)
{
    FIXME("(%p)->%s %p\n",This, debugstr_wn(&chSrc,1),pdwCodePages);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_GetStrCodePages( IMLangFontLink2* This,
        const WCHAR *pszSrc, LONG cchSrc, DWORD dwPriorityCodePages,
        DWORD *pdwCodePages, LONG *pcchCodePages)
{
    return fnIMLangFontLink_GetStrCodePages((IMLangFontLink *)This,
            pszSrc, cchSrc, dwPriorityCodePages, pdwCodePages, pcchCodePages);
}

static HRESULT WINAPI fnIMLangFontLink2_CodePageToCodePages(IMLangFontLink2* This,
        UINT uCodePage,
        DWORD *pdwCodePages)
{
    FIXME("(%p)->%i %p\n",This, uCodePage, pdwCodePages);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_CodePagesToCodePage(IMLangFontLink2* This,
        DWORD dwCodePages, UINT uDefaultCodePage, UINT *puCodePage)
{
    FIXME("(%p)->%i %i %p\n",This, dwCodePages, uDefaultCodePage, puCodePage);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_GetFontCodePages(IMLangFontLink2* This,
        HDC hDC, HFONT hFont, DWORD *pdwCodePages)
{
    FIXME("(%p)->%p %p %p\n",This, hDC, hFont, pdwCodePages);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_ReleaseFont(IMLangFontLink2* This,
        HFONT hFont)
{
    FIXME("(%p)->%p\n",This, hFont);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_ResetFontMapping(IMLangFontLink2* This)
{
    FIXME("(%p)->\n",This);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_MapFont(IMLangFontLink2* This,
        HDC hDC, DWORD dwCodePages, WCHAR chSrc, HFONT *pFont)
{
    FIXME("(%p)->%p %i %s %p\n",This, hDC, dwCodePages, debugstr_wn(&chSrc,1), pFont);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangFontLink2_GetFontUnicodeRanges(IMLangFontLink2* This,
        HDC hDC, UINT *puiRanges, UNICODERANGE *pUranges)
{
    DWORD size;
    GLYPHSET *gs;

    TRACE("(%p)->%p %p %p\n", This, hDC, puiRanges, pUranges);

    if (!puiRanges) return E_INVALIDARG;
    if (!(size = GetFontUnicodeRanges(hDC, NULL))) return E_FAIL;
    if (!(gs = HeapAlloc(GetProcessHeap(), 0, size))) return E_OUTOFMEMORY;

    GetFontUnicodeRanges(hDC, gs);
    *puiRanges = gs->cRanges;
    if (pUranges)
    {
        UINT i;
        for (i = 0; i < gs->cRanges; i++)
        {
            if (i >= *puiRanges) break;
            pUranges[i].wcFrom = gs->ranges[i].wcLow;
            pUranges[i].wcTo   = gs->ranges[i].wcLow + gs->ranges[i].cGlyphs;
        }
        *puiRanges = i;
    }
    HeapFree(GetProcessHeap(), 0, gs);
    return S_OK;
}

static HRESULT WINAPI fnIMLangFontLink2_GetScriptFontInfo(IMLangFontLink2* This,
        SCRIPT_ID sid, DWORD dwFlags, UINT *puiFonts,
        SCRIPTFONTINFO *pScriptFont)
{
    UINT i, j;

    TRACE("(%p)->%u %x %p %p\n", This, sid, dwFlags, puiFonts, pScriptFont);

    if (!dwFlags) dwFlags = SCRIPTCONTF_PROPORTIONAL_FONT;

    for (i = 0, j = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        if (sid == mlang_data[i].sid)
        {
            if (pScriptFont)
            {
                if (j >= *puiFonts) break;

                pScriptFont[j].scripts = 1 << mlang_data[i].sid;
                if (dwFlags == SCRIPTCONTF_FIXED_FONT)
                {
                    MultiByteToWideChar(CP_ACP, 0, mlang_data[i].fixed_font, -1,
                        pScriptFont[j].wszFont, MAX_MIMEFACE_NAME);
                }
                else if (dwFlags == SCRIPTCONTF_PROPORTIONAL_FONT)
                {
                    MultiByteToWideChar(CP_ACP, 0, mlang_data[i].proportional_font, -1,
                        pScriptFont[j].wszFont, MAX_MIMEFACE_NAME);
                }
            }
            j++;
        }
    }
    *puiFonts = j;
    return S_OK;
}

static HRESULT WINAPI fnIMLangFontLink2_CodePageToScriptID(IMLangFontLink2* This,
        UINT uiCodePage, SCRIPT_ID *pSid)
{
    UINT i;

    TRACE("(%p)->%i %p\n", This, uiCodePage, pSid);

    if (uiCodePage == CP_UNICODE) return E_FAIL;

    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
    {
        if (uiCodePage == mlang_data[i].family_codepage)
        {
            if (pSid) *pSid = mlang_data[i].sid;
            return S_OK;
        }
    }
    return E_FAIL;
}

static const IMLangFontLink2Vtbl IMLangFontLink2_vtbl =
{
    fnIMLangFontLink2_QueryInterface,
    fnIMLangFontLink2_AddRef,
    fnIMLangFontLink2_Release,
    fnIMLangFontLink2_GetCharCodePages,
    fnIMLangFontLink2_GetStrCodePages,
    fnIMLangFontLink2_CodePageToCodePages,
    fnIMLangFontLink2_CodePagesToCodePage,
    fnIMLangFontLink2_GetFontCodePages,
    fnIMLangFontLink2_ReleaseFont,
    fnIMLangFontLink2_ResetFontMapping,
    fnIMLangFontLink2_MapFont,
    fnIMLangFontLink2_GetFontUnicodeRanges,
    fnIMLangFontLink2_GetScriptFontInfo,
    fnIMLangFontLink2_CodePageToScriptID
};

/******************************************************************************/

static inline MLang_impl *impl_from_IMLangLineBreakConsole( IMLangLineBreakConsole *iface )
{
    return CONTAINING_RECORD( iface, MLang_impl, IMLangLineBreakConsole_iface );
}

static HRESULT WINAPI fnIMLangLineBreakConsole_QueryInterface(
    IMLangLineBreakConsole* iface,
    REFIID riid,
    void** ppvObject)
{
    MLang_impl *This = impl_from_IMLangLineBreakConsole( iface );
    return MLang_QueryInterface( This, riid, ppvObject );
}

static ULONG WINAPI fnIMLangLineBreakConsole_AddRef(
    IMLangLineBreakConsole* iface )
{
    MLang_impl *This = impl_from_IMLangLineBreakConsole( iface );
    return MLang_AddRef( This );
}

static ULONG WINAPI fnIMLangLineBreakConsole_Release(
    IMLangLineBreakConsole* iface )
{
    MLang_impl *This = impl_from_IMLangLineBreakConsole( iface );
    return MLang_Release( This );
}

static HRESULT WINAPI fnIMLangLineBreakConsole_BreakLineML(
    IMLangLineBreakConsole* iface,
    IMLangString* pSrcMLStr,
    LONG lSrcPos,
    LONG lSrcLen,
    LONG cMinColumns,
    LONG cMaxColumns,
    LONG* plLineLen,
    LONG* plSkipLen)
{
    FIXME("(%p)->%p %i %i %i %i %p %p\n", iface, pSrcMLStr, lSrcPos, lSrcLen, cMinColumns, cMaxColumns, plLineLen, plSkipLen);
    return E_NOTIMPL;
}

static HRESULT WINAPI fnIMLangLineBreakConsole_BreakLineW(
    IMLangLineBreakConsole* iface,
    LCID locale,
    const WCHAR* pszSrc,
    LONG cchSrc,
    LONG cMaxColumns,
    LONG* pcchLine,
    LONG* pcchSkip )
{
    FIXME("(%p)->%i %s %i %i %p %p\n", iface, locale, debugstr_wn(pszSrc,cchSrc), cchSrc, cMaxColumns, pcchLine, pcchSkip);

    *pcchLine = cchSrc;
    *pcchSkip = 0;
    return S_OK;
}

static HRESULT WINAPI fnIMLangLineBreakConsole_BreakLineA(
    IMLangLineBreakConsole* iface,
    LCID locale,
    UINT uCodePage,
    const CHAR* pszSrc,
    LONG cchSrc,
    LONG cMaxColumns,
    LONG* pcchLine,
    LONG* pcchSkip)
{
    FIXME("(%p)->%i %i %s %i %i %p %p\n", iface, locale, uCodePage, debugstr_an(pszSrc,cchSrc), cchSrc, cMaxColumns, pcchLine, pcchSkip);

    *pcchLine = cchSrc;
    *pcchSkip = 0;
    return S_OK;
}

static const IMLangLineBreakConsoleVtbl IMLangLineBreakConsole_vtbl =
{
    fnIMLangLineBreakConsole_QueryInterface,
    fnIMLangLineBreakConsole_AddRef,
    fnIMLangLineBreakConsole_Release,
    fnIMLangLineBreakConsole_BreakLineML,
    fnIMLangLineBreakConsole_BreakLineW,
    fnIMLangLineBreakConsole_BreakLineA
};

static HRESULT MultiLanguage_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
    MLang_impl *mlang;
    UINT i;

    TRACE("Creating MultiLanguage object\n");

    if( pUnkOuter )
        return CLASS_E_NOAGGREGATION;

    mlang = HeapAlloc( GetProcessHeap(), 0, sizeof (MLang_impl) );
    mlang->IMLangFontLink_iface.lpVtbl = &IMLangFontLink_vtbl;
    mlang->IMultiLanguage_iface.lpVtbl = &IMultiLanguage_vtbl;
    mlang->IMultiLanguage3_iface.lpVtbl = &IMultiLanguage3_vtbl;
    mlang->IMLangFontLink2_iface.lpVtbl = &IMLangFontLink2_vtbl;
    mlang->IMLangLineBreakConsole_iface.lpVtbl = &IMLangLineBreakConsole_vtbl;

    mlang->total_cp = 0;
    for (i = 0; i < sizeof(mlang_data)/sizeof(mlang_data[0]); i++)
        mlang->total_cp += mlang_data[i].number_of_cp;

    /* do not enumerate unicode flavours */
    mlang->total_scripts = sizeof(mlang_data)/sizeof(mlang_data[0]) - 1;

    mlang->ref = 1;
    *ppObj = mlang;
    TRACE("returning %p\n", mlang);

    LockModule();

    return S_OK;
}

/******************************************************************************/

HRESULT WINAPI DllCanUnloadNow(void)
{
    return dll_count == 0 ? S_OK : S_FALSE;
}


/***********************************************************************
 *		DllRegisterServer (MLANG.@)
 */
HRESULT WINAPI DllRegisterServer(void)
{
    return __wine_register_resources( instance );
}

/***********************************************************************
 *		DllUnregisterServer (MLANG.@)
 */
HRESULT WINAPI DllUnregisterServer(void)
{
    return __wine_unregister_resources( instance );
}

HRESULT WINAPI GetGlobalFontLinkObject(void **unknown)
{
    if (!unknown) return E_INVALIDARG;

    FIXME("%p: stub\n", unknown);

    return S_FALSE;
}