Sweden-Number/dlls/dmloader/loader.c

723 lines
29 KiB
C

/* IDirectMusicLoader8 Implementation
*
* Copyright (C) 2003-2004 Rok Mandeljc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "dmloader_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]);
/* IDirectMusicLoader8 IUnknown part: */
HRESULT WINAPI IDirectMusicLoader8Impl_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
if (IsEqualIID (riid, &IID_IUnknown) ||
IsEqualIID (riid, &IID_IDirectMusicLoader) ||
IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
IDirectMusicLoader8Impl_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
ULONG WINAPI IDirectMusicLoader8Impl_AddRef (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
TRACE("(%p) : AddRef from %ld\n", This, This->ref);
return ++(This->ref);
}
ULONG WINAPI IDirectMusicLoader8Impl_Release (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
ULONG ref = --This->ref;
TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
if (ref == 0) {
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/* IDirectMusicLoader8 IDirectMusicLoader part: */
HRESULT WINAPI IDirectMusicLoader8Impl_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
HRESULT result = 0;
struct list *listEntry;
LPDMUS_PRIVATE_ALIAS_ENTRY aliasEntry;
DMUS_PRIVATE_CACHE_ENTRY *cacheEntry;
DMUS_OBJECTDESC CacheDesc;
IDirectMusicObject* pObject;
LPDMUS_PRIVATE_CACHE_ENTRY newEntry;
TRACE("(%p, %p, %s, %p): pDesc:\n", This, pDesc, debugstr_guid(riid), ppv);
if (TRACE_ON(dmloader))
DMUSIC_dump_DMUS_OBJECTDESC(pDesc);
/* if I understand correctly, SetObject makes sort of aliases for entries in cache;
therefore I created alias list, which is similiar to cache list, and is used as resolver
(it maps let's say GUID to filename) */
TRACE(": looking for alias\n");
LIST_FOR_EACH (listEntry, &This->AliasList) {
aliasEntry = LIST_ENTRY(listEntry, DMUS_PRIVATE_ALIAS_ENTRY, entry);
/* for the time being, we support only GUID/name mapping */
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_OBJECT) && (pDesc->dwValidData & DMUS_OBJ_OBJECT)
&& IsEqualGUID (&aliasEntry->pDesc->guidObject, &pDesc->guidObject)) {
TRACE(": found alias by GUID (%s)... mapping:\n", debugstr_guid(&aliasEntry->pDesc->guidObject));
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_FILENAME) && !(pDesc->dwValidData & DMUS_OBJ_FILENAME)) {
TRACE(": - to filename (%s)\n", debugstr_w(aliasEntry->pDesc->wszFileName));
pDesc->dwValidData |= DMUS_OBJ_FILENAME;
pDesc->dwValidData |= (aliasEntry->pDesc->dwValidData & DMUS_OBJ_FULLPATH);
strncpyW (pDesc->wszFileName, aliasEntry->pDesc->wszFileName, DMUS_MAX_FILENAME);
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_NAME) && !(pDesc->dwValidData & DMUS_OBJ_NAME)) {
TRACE(": - to name (%s)\n", debugstr_w(aliasEntry->pDesc->wszName));
pDesc->dwValidData |= DMUS_OBJ_NAME;
strncpyW (pDesc->wszName, aliasEntry->pDesc->wszName, DMUS_MAX_NAME);
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_MEMORY) && !(pDesc->dwValidData & DMUS_OBJ_MEMORY)) {
TRACE(": - to memory location\n");
pDesc->dwValidData |= DMUS_OBJ_MEMORY;
/* FIXME: is this correct? */
pDesc->pbMemData = aliasEntry->pDesc->pbMemData;
pDesc->llMemLength = aliasEntry->pDesc->llMemLength;
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_STREAM) && !(pDesc->dwValidData & DMUS_OBJ_STREAM)) {
TRACE(": - to stream\n");
pDesc->dwValidData |= DMUS_OBJ_STREAM;
IStream_Clone (aliasEntry->pDesc->pStream, &pDesc->pStream);
}
}
else if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_NAME) && (pDesc->dwValidData & DMUS_OBJ_NAME)
&& !strncmpW (aliasEntry->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME)) {
TRACE(": found alias by name (%s)... mapping:\n", debugstr_w(aliasEntry->pDesc->wszName));
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_FILENAME) && !(pDesc->dwValidData & DMUS_OBJ_FILENAME)) {
TRACE(": - to filename (%s)\n", debugstr_w(aliasEntry->pDesc->wszFileName));
pDesc->dwValidData |= DMUS_OBJ_FILENAME;
pDesc->dwValidData |= (aliasEntry->pDesc->dwValidData & DMUS_OBJ_FULLPATH);
strncpyW (pDesc->wszFileName, aliasEntry->pDesc->wszFileName, DMUS_MAX_FILENAME);
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_OBJECT) && !(pDesc->dwValidData & DMUS_OBJ_OBJECT)) {
TRACE(": - to object GUID (%s)\n", debugstr_guid(&aliasEntry->pDesc->guidObject));
pDesc->dwValidData |= DMUS_OBJ_OBJECT;
memcpy (&pDesc->guidObject, &aliasEntry->pDesc->guidObject, sizeof(GUID));
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_MEMORY) && !(pDesc->dwValidData & DMUS_OBJ_MEMORY)) {
TRACE(": - to memory location\n");
pDesc->dwValidData |= DMUS_OBJ_MEMORY;
/* FIXME: is this correct? */
pDesc->pbMemData = aliasEntry->pDesc->pbMemData;
pDesc->llMemLength = aliasEntry->pDesc->llMemLength;
}
if ((aliasEntry->pDesc->dwValidData & DMUS_OBJ_STREAM) && !(pDesc->dwValidData & DMUS_OBJ_STREAM)) {
TRACE(": - to stream\n");
pDesc->dwValidData |= DMUS_OBJ_STREAM;
IStream_Clone (aliasEntry->pDesc->pStream, &pDesc->pStream);
}
}
/*else FIXME(": implement other types of mapping\n"); */
}
/* iterate through cache and check whether object has already been loaded */
TRACE(": looking up cache...\n");
DM_STRUCT_INIT(&CacheDesc);
LIST_FOR_EACH (listEntry, &This->CacheList) {
cacheEntry = LIST_ENTRY(listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry);
/* first check whether cached object is "faulty" default dls collection;
* I don't think it's recongised by object descriptor, since it contains no
* data; it's not very elegant way, but it works :)
*/
if (cacheEntry->bIsFaultyDLS == TRUE) {
if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) && IsEqualGUID (&GUID_DefaultGMCollection, &pDesc->guidObject)) {
TRACE(": found faulty default DLS collection... enabling M$ compliant behaviour\n");
return DMUS_E_LOADER_NOFILENAME;
}
}
/* I think it shouldn't happen that pObject is NULL, but better be safe */
if (cacheEntry->pObject) {
DM_STRUCT_INIT(&CacheDesc); /* prepare desc for reuse */
IDirectMusicObject_GetDescriptor (cacheEntry->pObject, &CacheDesc);
/* according to MSDN, search order is:
1. DMUS_OBJ_OBJECT
2. DMUS_OBJ_MEMORY (FIXME)
3. DMUS_OBJ_FILENAME & DMUS_OBJ_FULLPATH
4. DMUS_OBJ_NAME & DMUS_OBJ_CATEGORY
5. DMUS_OBJ_NAME
6. DMUS_OBJ_FILENAME */
if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) && (CacheDesc.dwValidData & DMUS_OBJ_OBJECT)
&& IsEqualGUID (&pDesc->guidObject, &CacheDesc.guidObject)) {
TRACE(": found it by object GUID\n");
return IDirectMusicObject_QueryInterface (cacheEntry->pObject, riid, ppv);
}
if ((pDesc->dwValidData & DMUS_OBJ_MEMORY) && (CacheDesc.dwValidData & DMUS_OBJ_MEMORY)) {
FIXME(": DMUS_OBJ_MEMORY not supported yet\n");
}
if ((pDesc->dwValidData & DMUS_OBJ_FILENAME) && (pDesc->dwValidData & DMUS_OBJ_FULLPATH)
&& (CacheDesc.dwValidData & DMUS_OBJ_FILENAME) && (CacheDesc.dwValidData & DMUS_OBJ_FULLPATH)
&& !strncmpW (pDesc->wszFileName, CacheDesc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by fullpath filename\n");
return IDirectMusicObject_QueryInterface (cacheEntry->pObject, riid, ppv);
}
if ((pDesc->dwValidData & DMUS_OBJ_NAME) && (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
&& (CacheDesc.dwValidData & DMUS_OBJ_NAME) && (CacheDesc.dwValidData & DMUS_OBJ_CATEGORY)
&& !strncmpW (pDesc->wszName, CacheDesc.wszName, DMUS_MAX_NAME)
&& !strncmpW (pDesc->wszCategory, CacheDesc.wszCategory, DMUS_MAX_CATEGORY)) {
TRACE(": found it by name and category\n");
return IDirectMusicObject_QueryInterface (cacheEntry->pObject, riid, ppv);
}
if ((pDesc->dwValidData & DMUS_OBJ_NAME) && (CacheDesc.dwValidData & DMUS_OBJ_NAME)
&& !strncmpW (pDesc->wszName, CacheDesc.wszName, DMUS_MAX_NAME)) {
TRACE(": found it by name\n");
return IDirectMusicObject_QueryInterface (cacheEntry->pObject, riid, ppv);
}
if ((pDesc->dwValidData & DMUS_OBJ_FILENAME) && (CacheDesc.dwValidData & DMUS_OBJ_FILENAME)
&& !strncmpW (pDesc->wszFileName, CacheDesc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by filename\n");
return IDirectMusicObject_QueryInterface (cacheEntry->pObject, riid, ppv);
}
}
}
/* object doesn't exist in cache... guess we'll have to load it */
TRACE(": object does not exist in cache\n");
/* sometimes it happens that guidClass is missing */
if (!(pDesc->dwValidData & DMUS_OBJ_CLASS)) {
ERR(": guidClass not valid but needed\n");
*ppv = NULL;
return DMUS_E_LOADER_NOCLASSID;
}
if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
/* load object from file */
/* generate filename; if it's full path, don't add search
directory path, otherwise do */
WCHAR wzFileName[MAX_PATH];
DMUS_OBJECTDESC GotDesc;
LPSTREAM pStream;
IPersistStream* pPersistStream = NULL;
if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
lstrcpyW(wzFileName, pDesc->wszFileName);
} else {
WCHAR *p;
lstrcpyW(wzFileName, This->wzSearchPath);
p = wzFileName + lstrlenW(wzFileName);
if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
strcpyW(p, pDesc->wszFileName);
}
TRACE(": loading from file (%s)\n", debugstr_w(wzFileName));
/* create stream and associate it with dls collection file */
result = DMUSIC_CreateLoaderStream ((LPVOID*)&pStream);
if (FAILED(result)) {
ERR(": could not create loader stream\n");
return result;
}
result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
if (FAILED(result)) {
ERR(": could not attach stream to file\n");
return result;
}
/* create object */
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
if (FAILED(result)) {
ERR(": could not create object\n");
return result;
}
/* acquire PersistStream interface */
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
if (FAILED(result)) {
ERR("failed to Query\n");
return result;
}
/* load */
result = IPersistStream_Load (pPersistStream, pStream);
if (FAILED(result)) {
ERR(": failed to load object\n");
return result;
}
/* get descriptor */
DM_STRUCT_INIT(&GotDesc);
result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
if (FAILED(result)) {
ERR(": failed to get descriptor\n");
return result;
}
/* now set the "missing" info (check comment at "Loading default DLS collection") */
GotDesc.dwValidData |= (DMUS_OBJ_FILENAME | DMUS_OBJ_LOADED); /* this time only these are missing */
strncpyW (GotDesc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME); /* set wszFileName, even if futile */
/* set descriptor */
IDirectMusicObject_SetDescriptor (pObject, &GotDesc);
/* release all loading related stuff */
IStream_Release (pStream);
IPersistStream_Release (pPersistStream);
}
else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
LPSTREAM pClonedStream = NULL;
IPersistStream* pPersistStream = NULL;
DMUS_OBJECTDESC GotDesc;
/* load object from stream */
TRACE(": loading from stream\n");
/* clone stream, given in pDesc */
result = IStream_Clone (pDesc->pStream, &pClonedStream);
if (FAILED(result)) {
ERR(": failed to clone stream\n");
return result;
}
/* create object */
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
if (FAILED(result)) {
ERR(": could not create object\n");
return result;
}
/* acquire PersistStream interface */
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
if (FAILED(result)) {
ERR(": could not acquire IPersistStream\n");
return result;
}
/* load */
result = IPersistStream_Load (pPersistStream, pClonedStream);
if (FAILED(result)) {
ERR(": failed to load object\n");
return result;
}
/* get descriptor */
DM_STRUCT_INIT(&GotDesc);
result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
if (FAILED(result)) {
ERR(": failed to get descriptor\n");
return result;
}
/* now set the "missing" info */
GotDesc.dwValidData |= DMUS_OBJ_LOADED; /* only missing data with streams */
/* set descriptor */
IDirectMusicObject_SetDescriptor (pObject, &GotDesc);
/* release all loading-related stuff */
IPersistStream_Release (pPersistStream);
IStream_Release (pClonedStream);
}
else if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
/* load object by GUID */
TRACE(": loading by GUID (only default DLS supported)\n");
if (IsEqualGUID (&pDesc->guidObject, &GUID_DefaultGMCollection)) {
/* Loading default DLS collection: *dirty* secret (TM)
* By mixing native and builtin loader and collection and
* various .dls files, I found out following undocumented
* behaviour:
* - loader creates two instances of collection object
* - it calls ParseDescriptor on first, then releases it
* - then it checks returned descriptor; I'm not sure, but
* it seems that DMUS_OBJ_OBJECT is not present if DLS
* collection is indeed *real* one (gm.dls)
* - if above mentioned flag is not set, it creates another
* instance and loads it; it also gets descriptor and adds
* guidObject and wszFileName (even though this one cannot be
* set on native collection, or so it seems)
* => it seems to be sort of check whether given 'default
* DLS collection' is really one shipped with DX before
* actually loading it
* -cheers, Rok
*/
WCHAR wzFileName[DMUS_MAX_FILENAME];
LPSTREAM pStream;
LPSTREAM pProbeStream;
IDirectMusicObject *pProbeObject;
DMUS_OBJECTDESC ProbeDesc;
DMUS_OBJECTDESC GotDesc;
IPersistStream *pPersistStream = NULL;
/* get the path for default collection */
TRACE(": getting default DLS collection path...\n");
if (FAILED(DMUSIC_GetDefaultGMPath (wzFileName))) {
ERR(": could not get default collection path\n");
return E_FAIL;
}
/* create stream and associate it with dls collection file */
TRACE(": creating stream...\n");
result = DMUSIC_CreateLoaderStream ((LPVOID*) &pStream);
if (FAILED(result)) {
ERR(": could not create loader stream\n");
return result;
}
TRACE(": attaching stream...\n");
result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
if (FAILED(result)) {
ERR(": could not attach stream to file\n");
return result;
}
/* now create a clone of stream for "probe" */
TRACE(": cloning stream (for probing)...\n");
result = IStream_Clone (pStream, &pProbeStream);
if (FAILED(result)) {
ERR(": could not clone stream\n");
return result;
}
/* create object for "probing" */
TRACE(": creating IDirectMusicObject (for probing)...\n");
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*) &pProbeObject);
if (FAILED(result)) {
ERR(": could not create object (for probing)\n");
return result;
}
/* get descriptor from stream */
TRACE(": parsing descriptor on probe stream...\n");
DM_STRUCT_INIT(&ProbeDesc);
result = IDirectMusicObject_ParseDescriptor (pProbeObject, pProbeStream, &ProbeDesc);
if (FAILED(result)) {
ERR(": could not parse descriptor\n");
return result;
}
/* release all probing-related stuff */
TRACE(": releasing probing-related stuff...\n");
IStream_Release (pProbeStream);
IDirectMusicObject_Release (pProbeObject);
/* now, if it happens by any chance that dls collection isn't *the one*
* TODO: - check if the way below is the appropriate one
*/
if (ProbeDesc.dwValidData & DMUS_OBJ_OBJECT) {
LPDMUS_PRIVATE_CACHE_ENTRY newEntry;
WARN(": the default DLS collection is not the one shipped with DX\n");
/* my tests show that we return pointer to something or NULL, depending on + how
* input object was defined (therefore we probably don't return anything for object)
* and DMUS_E_LOADER_NOFILENAME as error code
* (I'd personally rather return DMUS_S_PARTIALLOAD, but I don't set rules)
*/
newEntry = (LPDMUS_PRIVATE_CACHE_ENTRY) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_CACHE_ENTRY));
newEntry->pObject = NULL;
newEntry->bIsFaultyDLS = TRUE; /* so that cache won't try to get descriptor */
list_add_tail (&This->CacheList, &newEntry->entry);
TRACE(": filled in cache entry\n");
return DMUS_E_LOADER_NOFILENAME;
}
/* now the real loading... create object */
TRACE(": creating IDirectMusicObject (for loading)\n");
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*) &pObject);
if (FAILED(result)) {
ERR(": could not create object (for loading)\n");
return result;
}
/* acquire PersistStream interface */
TRACE(": getting IPersistStream on object...\n");
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*) &pPersistStream);
if (FAILED(result)) {
ERR(": could not acquire IPersistStream\n");
return result;
}
/* load */
TRACE(": loading object..\n");
result = IPersistStream_Load (pPersistStream, pStream);
if (FAILED(result)) {
ERR(": failed to load object\n");
return result;
}
/* get descriptor */
TRACE(": getting descriptor of loaded object...\n");
DM_STRUCT_INIT(&GotDesc);
result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
if (FAILED(result)) {
ERR(": failed to get descriptor\n");
return result;
}
/* now set the "missing" info */
TRACE(": adding \"missing\" info...\n");
GotDesc.dwValidData |= (DMUS_OBJ_OBJECT | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_LOADED);
memcpy (&GotDesc.guidObject, &pDesc->guidObject, sizeof(GUID)); /* set guidObject */
strncpyW (GotDesc.wszFileName, wzFileName, DMUS_MAX_FILENAME); /* set wszFileName, even if futile */
/* set descriptor */
TRACE(": setting descriptor\n");
IDirectMusicObject_SetDescriptor (pObject, &GotDesc);
/* release all loading related stuff */
TRACE(": releasing all loading-related stuff\n");
IStream_Release (pStream);
IPersistStream_Release (pPersistStream);
} else {
return E_FAIL;
}
} else {
/* nowhere to load from */
FIXME(": unknown/unsupported way of loading\n");
return E_FAIL;
}
/* add object to cache */
newEntry = (LPDMUS_PRIVATE_CACHE_ENTRY) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_CACHE_ENTRY));
if (pObject) {
newEntry->pObject = pObject;
newEntry->bIsFaultyDLS = FALSE;
}
list_add_tail (&This->CacheList, &newEntry->entry);
TRACE(": filled in cache entry\n");
#if 0
/* for debug purposes (e.g. to check if all files are cached) */
TRACE("*** Loader's cache ***\n");
int i = 0;
LIST_FOR_EACH (listEntry, &This->CacheList) {
i++;
TRACE("Entry nr. %i:\n", i);
cacheEntry = LIST_ENTRY(listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry);
if (cacheEntry->bIsFaultyDLS == FALSE) {
DM_STRUCT_INIT(&CacheDesc); /* prepare desc for reuse */
IDirectMusicObject_GetDescriptor (cacheEntry->pObject, &CacheDesc);
DMUSIC_dump_DMUS_OBJECTDESC(&CacheDesc);
} else {
DPRINTF("faulty DLS collection\n");
}
}
#endif
return IDirectMusicObject_QueryInterface (pObject, riid, ppv);
}
HRESULT WINAPI IDirectMusicLoader8Impl_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
DMUS_PRIVATE_ALIAS_ENTRY *newEntry;
DMUS_OBJECTDESC Desc;
TRACE("(%p, %p): pDesc:\n", This, pDesc);
if (TRACE_ON(dmloader))
DMUSIC_dump_DMUS_OBJECTDESC(pDesc);
/* create stream and load additional info from it */
if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
/* generate filename; if it's full path, don't add search
directory path, otherwise do */
WCHAR wzFileName[MAX_PATH];
LPSTREAM pStream;
IDirectMusicObject* pObject;
if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
lstrcpyW(wzFileName, pDesc->wszFileName);
} else {
WCHAR *p;
lstrcpyW(wzFileName, This->wzSearchPath);
p = wzFileName + lstrlenW(wzFileName);
if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
strcpyW(p, pDesc->wszFileName);
}
/* create stream */
DMUSIC_CreateLoaderStream ((LPVOID*) &pStream);
/* attach stream */
ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
/* create object */
CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
/* parse descriptor */
DM_STRUCT_INIT(&Desc);
IDirectMusicObject_ParseDescriptor (pObject, pStream, &Desc);
/* release everything */
IDirectMusicObject_Release (pObject);
IStream_Release (pStream);
}
else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* clone stream */
LPSTREAM pStream = NULL;
IDirectMusicObject* pObject;
IStream_Clone (pDesc->pStream, &pStream);
/* create object */
CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
/* parse descriptor */
DM_STRUCT_INIT(&Desc);
IDirectMusicObject_ParseDescriptor (pObject, pStream, &Desc);
/* release everything */
IDirectMusicObject_Release (pObject);
IStream_Release (pStream);
}
else {
WARN(": no way to get additional info\n");
}
/* now set additional info... my tests show that existing fields should be overwritten */
if (Desc.dwValidData & DMUS_OBJ_OBJECT)
memcpy (&pDesc->guidObject, &Desc.guidObject, sizeof(Desc.guidObject));
if (Desc.dwValidData & DMUS_OBJ_CLASS)
memcpy (&pDesc->guidClass, &Desc.guidClass, sizeof(Desc.guidClass));
if (Desc.dwValidData & DMUS_OBJ_NAME)
strncpyW (pDesc->wszName, Desc.wszName, DMUS_MAX_NAME);
if (Desc.dwValidData & DMUS_OBJ_CATEGORY)
strncpyW (pDesc->wszCategory, Desc.wszCategory, DMUS_MAX_CATEGORY);
if (Desc.dwValidData & DMUS_OBJ_FILENAME)
strncpyW (pDesc->wszFileName, Desc.wszFileName, DMUS_MAX_FILENAME);
if (Desc.dwValidData & DMUS_OBJ_VERSION)
memcpy (&pDesc->vVersion, &Desc.vVersion, sizeof(Desc.vVersion));
if (Desc.dwValidData & DMUS_OBJ_DATE)
memcpy (&pDesc->ftDate, &Desc.ftDate, sizeof(Desc.ftDate));
pDesc->dwValidData |= Desc.dwValidData; /* add new flags */
/* add new entry */
TRACE(": adding alias entry with following info:\n");
if (TRACE_ON(dmloader))
DMUSIC_dump_DMUS_OBJECTDESC(pDesc);
newEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_ALIAS_ENTRY));
newEntry->pDesc = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
memcpy (newEntry->pDesc, pDesc, sizeof(DMUS_OBJECTDESC));
list_add_tail (&This->AliasList, &newEntry->entry);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
TRACE("(%p, %s, %s, %d)\n", This, debugstr_guid(rguidClass), debugstr_w(pwzPath), fClear);
if (0 == strncmpW(This->wzSearchPath, pwzPath, MAX_PATH)) {
return S_FALSE;
}
strncpyW(This->wzSearchPath, pwzPath, MAX_PATH);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %p, %p): stub\n", This, debugstr_guid(rguidClass), pwzFileExtension, pwzScanFileName);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s): stub\n", This, debugstr_guid(rguidClass));
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %d): stub\n", This, debugstr_guid(rguidClass), fEnable);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_guid(rguidClass), dwIndex, pDesc);
return S_OK;
}
/* IDirectMusicLoader8 Interface part follow: */
void WINAPI IDirectMusicLoader8Impl_CollectGarbage (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p): stub\n", This);
}
HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface,
REFGUID rguidClassID,
REFIID iidInterfaceID,
WCHAR* pwzFilePath,
void** ppObject) {
ICOM_THIS(IDirectMusicLoader8Impl,iface);
DMUS_OBJECTDESC ObjDesc;
TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoader8Impl_GetObject\n", This, debugstr_guid(rguidClassID), debugstr_guid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
ObjDesc.dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_CLASS; /* I believe I've read somewhere in MSDN that this function requires either full path or relative path */
ObjDesc.guidClass = *rguidClassID;
/* OK, MSDN says that search order is the following:
- current directory (DONE)
- windows search path (FIXME: how do I get that?)
- loader's search path (DONE)
*/
/* search in current directory */
if (!SearchPathW (NULL, pwzFilePath, NULL,
sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL) &&
/* search in loader's search path */
!SearchPathW (This->wzSearchPath, pwzFilePath, NULL,
sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL))
{
/* cannot find file */
TRACE("cannot find file\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
TRACE("full file path = %s\n", debugstr_w (ObjDesc.wszFileName));
return IDirectMusicLoader8Impl_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
}
ICOM_VTABLE(IDirectMusicLoader8) DirectMusicLoader8_Vtbl = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectMusicLoader8Impl_QueryInterface,
IDirectMusicLoader8Impl_AddRef,
IDirectMusicLoader8Impl_Release,
IDirectMusicLoader8Impl_GetObject,
IDirectMusicLoader8Impl_SetObject,
IDirectMusicLoader8Impl_SetSearchDirectory,
IDirectMusicLoader8Impl_ScanDirectory,
IDirectMusicLoader8Impl_CacheObject,
IDirectMusicLoader8Impl_ReleaseObject,
IDirectMusicLoader8Impl_ClearCache,
IDirectMusicLoader8Impl_EnableCache,
IDirectMusicLoader8Impl_EnumObject,
IDirectMusicLoader8Impl_CollectGarbage,
IDirectMusicLoader8Impl_ReleaseObjectByUnknown,
IDirectMusicLoader8Impl_LoadObjectFromFile
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
IDirectMusicLoader8Impl *obj;
TRACE("(%p,%p,%p)\n",lpcGUID, ppobj, pUnkOuter);
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoader8Impl));
if (NULL == obj) {
*ppobj = (LPDIRECTMUSICLOADER8)NULL;
return E_OUTOFMEMORY;
}
obj->lpVtbl = &DirectMusicLoader8_Vtbl;
obj->ref = 0; /* will be inited with QueryInterface */
MultiByteToWideChar (CP_ACP, 0, ".\\", -1, obj->wzSearchPath, MAX_PATH);
list_init (&obj->CacheList);
list_init (&obj->AliasList);
return IDirectMusicLoader8Impl_QueryInterface ((LPDIRECTMUSICLOADER8)obj, lpcGUID, ppobj);
}
/* help function for IDirectMusicLoader8Impl_GetObject */
HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]) {
HKEY hkDM;
DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
char szPath[MAX_PATH];
if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
(RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
WARN(": registry entry missing\n" );
return E_FAIL;
}
/* FIXME: Check return types to ensure we're interpreting data right */
MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
return S_OK;
}