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dmloader: Simplify the cache list handling. 

Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Michael Stefaniuc 2017-07-25 20:57:25 +02:00 committed by Alexandre Julliard
parent c2aa725356
commit 3531e50c93
1 changed files with 26 additions and 43 deletions
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69
dlls/dmloader/loader.c
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@ -50,8 +50,7 @@ typedef struct IDirectMusicLoaderImpl {
LONG ref;
WCHAR *search_paths[ARRAY_SIZE(classes)];
unsigned int cache_class;
/* simple cache */
struct list *pObjects;
struct list cache;
} IDirectMusicLoaderImpl;
@ -190,9 +189,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_GetObject(IDirectMusicLoader8 *ifac
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
HRESULT result = S_OK;
HRESULT ret = S_OK; /* used at the end of function, to determine whether everything went OK */
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
struct cache_entry *pExistingEntry, *pObjectEntry = NULL;
LPSTREAM pStream;
IPersistStream* pPersistStream = NULL;
@ -215,8 +212,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_GetObject(IDirectMusicLoader8 *ifac
/* OK, first we iterate through the list of objects we know about; these are either loaded (GetObject, LoadObjectFromFile)
or set via SetObject; */
TRACE(": looking if we have object in the cache or if it can be found via alias\n");
LIST_FOR_EACH(pEntry, This->pObjects) {
LPWINE_LOADER_ENTRY pExistingEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
LIST_FOR_EACH_ENTRY(pExistingEntry, &This->cache, struct cache_entry, entry) {
if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) &&
(pExistingEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
IsEqualGUID (&pDesc->guidObject, &pExistingEntry->Desc.guidObject)) {
@ -412,7 +408,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_GetObject(IDirectMusicLoader8 *ifac
DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
pObjectEntry->pObject = pObject;
pObjectEntry->bInvalidDefaultDLS = FALSE;
list_add_head (This->pObjects, &pObjectEntry->entry);
list_add_head(&This->cache, &pObjectEntry->entry);
} else {
DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
pObjectEntry->pObject = pObject;
@ -437,7 +433,6 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_SetObject(IDirectMusicLoader8 *ifac
LPSTREAM pStream;
LPDIRECTMUSICOBJECT pObject;
DMUS_OBJECTDESC Desc;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry, pNewEntry;
HRESULT hr;
@ -540,8 +535,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_SetObject(IDirectMusicLoader8 *ifac
/* sometimes it happens that twisted programs call SetObject for same object twice...
in such cases, native loader returns S_OK and does nothing... a sound plan */
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
LIST_FOR_EACH_ENTRY(pObjectEntry, &This->cache, struct cache_entry, entry) {
if (!memcmp (&pObjectEntry->Desc, pDesc, sizeof(DMUS_OBJECTDESC))) {
TRACE(": exactly same entry already exists\n");
return S_OK;
@ -556,7 +550,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_SetObject(IDirectMusicLoader8 *ifac
/* use this function instead of pure memcpy due to streams (memcpy just copies pointer),
which is basically used further by app that called SetDescriptor... better safety than exception */
DMUSIC_CopyDescriptor (&pNewEntry->Desc, pDesc);
list_add_head (This->pObjects, &pNewEntry->entry);
list_add_head(&This->cache, &pNewEntry->entry);
return S_OK;
}
@ -660,7 +654,6 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_CacheObject(IDirectMusicLoader8 *if
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
DMUS_OBJECTDESC Desc;
HRESULT result = DMUS_E_LOADER_OBJECTNOTFOUND;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
TRACE("(%p, %p)\n", This, pObject);
@ -671,8 +664,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_CacheObject(IDirectMusicLoader8 *if
/* now iterate through the list and check if we have an alias (without object), corresponding
to the descriptor of the input object */
LIST_FOR_EACH(pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
LIST_FOR_EACH_ENTRY(pObjectEntry, &This->cache, struct cache_entry, entry) {
if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
@ -740,7 +732,6 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_ReleaseObject(IDirectMusicLoader8 *
{
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
DMUS_OBJECTDESC Desc;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
HRESULT result = S_FALSE;
@ -754,8 +745,7 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_ReleaseObject(IDirectMusicLoader8 *
/* iterate through the list of objects we know about; check only those with DMUS_OBJ_LOADED */
TRACE(": looking for the object in cache\n");
LIST_FOR_EACH(pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
LIST_FOR_EACH_ENTRY(pObjectEntry, &This->cache, struct cache_entry, entry) {
if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_OBJECT | DMUS_OBJ_LOADED)) &&
IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
@ -804,24 +794,22 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_ReleaseObject(IDirectMusicLoader8 *
return result;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_ClearCache(IDirectMusicLoader8 *iface, REFGUID rguidClass)
static HRESULT WINAPI IDirectMusicLoaderImpl_ClearCache(IDirectMusicLoader8 *iface, REFGUID class)
{
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry;
TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidClass));
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if ((IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED)) {
/* basically, wrap to ReleaseObject for each object found */
IDirectMusicLoader8_ReleaseObject (iface, pObjectEntry->pObject);
}
}
return S_OK;
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
struct cache_entry *obj;
TRACE("(%p, %s)\n", This, debugstr_dmguid(class));
LIST_FOR_EACH_ENTRY(obj, &This->cache, struct cache_entry, entry) {
if ((IsEqualGUID(class, &GUID_DirectMusicAllTypes) || IsEqualGUID(class, &obj->Desc.guidClass)) &&
(obj->Desc.dwValidData & DMUS_OBJ_LOADED)) {
/* basically, wrap to ReleaseObject for each object found */
IDirectMusicLoader8_ReleaseObject(iface, obj->pObject);
}
}
return S_OK;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_EnableCache(IDirectMusicLoader8 *iface, REFGUID class,
@ -856,15 +844,12 @@ static HRESULT WINAPI IDirectMusicLoaderImpl_EnumObject(IDirectMusicLoader8 *ifa
{
IDirectMusicLoaderImpl *This = impl_from_IDirectMusicLoader8(iface);
DWORD dwCount = 0;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry;
TRACE("(%p, %s, %d, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc);
DM_STRUCT_INIT(pDesc);
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
LIST_FOR_EACH_ENTRY(pObjectEntry, &This->cache, struct cache_entry, entry) {
if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) {
if (dwCount == dwIndex) {
*pDesc = pObjectEntry->Desc;
@ -992,9 +977,7 @@ HRESULT WINAPI create_dmloader(REFIID lpcGUID, void **ppobj)
}
obj->IDirectMusicLoader8_iface.lpVtbl = &DirectMusicLoader_Loader_Vtbl;
obj->ref = 0; /* Will be inited with QueryInterface */
/* init cache/alias list */
obj->pObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
list_init (obj->pObjects);
list_init(&obj->cache);
/* Caching is enabled by default for all classes */
obj->cache_class = ~0;
@ -1010,7 +993,7 @@ HRESULT WINAPI create_dmloader(REFIID lpcGUID, void **ppobj)
collection, loader treats it as "invalid" and returns
DMUS_E_LOADER_NOFILENAME for all requests for it; basically, we check
if out input guidObject was overwritten */
pEntry = list_head (obj->pObjects);
pEntry = list_head(&obj->cache);
pDefaultDLSEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if (!IsEqualGUID(&Desc.guidObject, &GUID_DefaultGMCollection)) {
pDefaultDLSEntry->bInvalidDefaultDLS = TRUE;