include/propvarutil.h

/*
 * Copyright 2008 James Hawkins for CodeWeavers
 *
 * 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
 */

#ifndef __WINE_PROPVARUTIL_H
#define __WINE_PROPVARUTIL_H

#include <shtypes.h>
#include <shlwapi.h>

enum tagPROPVAR_CHANGE_FLAGS
{
    PVCHF_DEFAULT           = 0x00000000,
    PVCHF_NOVALUEPROP       = 0x00000001,
    PVCHF_ALPHABOOL         = 0x00000002,
    PVCHF_NOUSEROVERRIDE    = 0x00000004,
    PVCHF_LOCALBOOL         = 0x00000008,
    PVCHF_NOHEXSTRING       = 0x00000010,
};

typedef int PROPVAR_CHANGE_FLAGS;

HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
                                     PROPVAR_CHANGE_FLAGS flags, VARTYPE vt);
HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar);
HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar);
HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar);
HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar);
HRESULT WINAPI PropVariantToGUID(const PROPVARIANT *ppropvar, GUID *guid);
HRESULT WINAPI VariantToGUID(const VARIANT *pvar, GUID *guid);


#ifdef __cplusplus

HRESULT InitPropVariantFromBoolean(BOOL fVal, PROPVARIANT *ppropvar);
HRESULT InitPropVariantFromString(PCWSTR psz, PROPVARIANT *ppropvar);

#ifndef NO_PROPVAR_INLINES

inline HRESULT InitPropVariantFromBoolean(BOOL fVal, PROPVARIANT *ppropvar)
{
    ppropvar->vt = VT_BOOL;
    ppropvar->boolVal = fVal ? VARIANT_TRUE : VARIANT_FALSE;
    return S_OK;
}

inline HRESULT InitPropVariantFromString(PCWSTR psz, PROPVARIANT *ppropvar)
{
    HRESULT hres;

    hres = SHStrDupW(psz, &ppropvar->pwszVal);
    if(SUCCEEDED(hres))
        ppropvar->vt = VT_LPWSTR;
    else
        PropVariantInit(ppropvar);

    return hres;
}

#endif
#endif

#endif /* __WINE_PROPVARUTIL_H */