main.c

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/*
 *     DirectX Files Functions (D3DXOF.DLL)
 *
 * Copyright 2004 Christian Costa
 *
 * 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 "d3dxof_private.h"
 
WINE_DEFAULT_DEBUG_CHANNEL(d3dxof);
 
/******************************************************************************
 * DirectX File ClassFactory
 */
typedef struct {
    IClassFactory IClassFactory_iface;
 
    LONG ref;
    HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;
 
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
    return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
}
 
struct object_creation_info
{
    const CLSID *clsid;
    HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};
 
static const struct object_creation_info object_creation[] =
{
    { &CLSID_CDirectXFile, IDirectXFileImpl_Create },
};
 
static HRESULT WINAPI XFCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid, LPVOID *ppobj)
{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 
    if (IsEqualGUID(riid, &IID_IUnknown)
    || IsEqualGUID(riid, &IID_IClassFactory))
    {
    IClassFactory_AddRef(iface);
    *ppobj = &This->IClassFactory_iface;
    return S_OK;
    }
 
    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
    return E_NOINTERFACE;
}
 
static ULONG WINAPI XFCF_AddRef(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
    return InterlockedIncrement(&This->ref);
}
 
static ULONG WINAPI XFCF_Release(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 
    ULONG ref = InterlockedDecrement(&This->ref);
 
    if (ref == 0)
    HeapFree(GetProcessHeap(), 0, This);
 
    return ref;
}
 
static HRESULT WINAPI XFCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter, REFIID riid, LPVOID *ppobj)
{
    IClassFactoryImpl *This = impl_from_IClassFactory(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);
    }
    return hres;
}
 
static HRESULT WINAPI XFCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
    IClassFactoryImpl *This = impl_from_IClassFactory(iface);
    FIXME("(%p)->(%d), stub!\n",This,dolock);
    return S_OK;
}
 
static const IClassFactoryVtbl XFCF_Vtbl =
{
    XFCF_QueryInterface,
    XFCF_AddRef,
    XFCF_Release,
    XFCF_CreateInstance,
    XFCF_LockServer
};
 
/***********************************************************************
 *              DirectXFileCreate (D3DXOF.@)
 */
HRESULT WINAPI DirectXFileCreate(LPDIRECTXFILE* lplpDirectXFile)
{
    HRESULT hr;
 
    TRACE("(%p)\n", lplpDirectXFile);
 
    if (!lplpDirectXFile)
    return DXFILEERR_BADVALUE;
 
    hr = IDirectXFileImpl_Create(NULL, (LPVOID)lplpDirectXFile);
 
    if (FAILED(hr))
    return DXFILEERR_BADALLOC;
 
    return S_OK;
}
 
/*******************************************************************************
 * DllGetClassObject [D3DXOF.@]
 * Retrieves class object from a DLL object
 *
 * NOTES
 *    Docs say returns STDAPI
 *
 * PARAMS
 *    rclsid [I] CLSID for the class object
 *    riid   [I] Reference to identifier of interface for class object
 *    ppv    [O] Address of variable to receive interface pointer for riid
 *
 * RETURNS
 *    Success: S_OK
 *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 *             E_UNEXPECTED
 */
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
    unsigned int i;
    IClassFactoryImpl *factory;
 
    TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
    
    if ( !IsEqualGUID( &IID_IClassFactory, riid )
     && ! IsEqualGUID( &IID_IUnknown, riid) )
    return E_NOINTERFACE;
 
    for (i = 0; i < ARRAY_SIZE(object_creation); i++)
    {
    if (IsEqualGUID(object_creation[i].clsid, rclsid))
        break;
    }
 
    if (i == ARRAY_SIZE(object_creation))
    {
    FIXME("%s: no class found.\n", debugstr_guid(rclsid));
    return CLASS_E_CLASSNOTAVAILABLE;
    }
 
    factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
    if (factory == NULL) return E_OUTOFMEMORY;
 
    factory->IClassFactory_iface.lpVtbl = &XFCF_Vtbl;
    factory->ref = 1;
 
    factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 
    *ppv = &(factory->IClassFactory_iface);
    return S_OK;
}