2 * IParseDisplayName implementation for DEVENUM.dll
4 * Copyright (C) 2002 Robert Shearman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 * - Implements IParseDisplayName interface which creates a moniker
22 * from a string in a special format
24 #include "devenum_private.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(devenum
);
30 static HRESULT WINAPI
DEVENUM_IParseDisplayName_QueryInterface(IParseDisplayName
*iface
,
31 REFIID riid
, void **ppv
)
33 TRACE("\n\tIID:\t%s\n",debugstr_guid(riid
));
38 if (IsEqualGUID(riid
, &IID_IUnknown
) ||
39 IsEqualGUID(riid
, &IID_IParseDisplayName
))
42 IParseDisplayName_AddRef(iface
);
46 FIXME("- no interface IID: %s\n", debugstr_guid(riid
));
51 static ULONG WINAPI
DEVENUM_IParseDisplayName_AddRef(IParseDisplayName
*iface
)
57 return 2; /* non-heap based object */
60 static ULONG WINAPI
DEVENUM_IParseDisplayName_Release(IParseDisplayName
*iface
)
64 DEVENUM_UnlockModule();
66 return 1; /* non-heap based object */
69 /**********************************************************************
70 * DEVENUM_IParseDisplayName_ParseDisplayName
72 * Creates a moniker referenced to by the display string argument
75 * Might not handle more complicated strings properly (ie anything
76 * not in "@device:sw:{CLSID1}\<filter name or CLSID>" format
78 static HRESULT WINAPI
DEVENUM_IParseDisplayName_ParseDisplayName(IParseDisplayName
*iface
,
79 IBindCtx
*pbc
, LPOLESTR name
, ULONG
*eaten
, IMoniker
**ret
)
81 WCHAR buffer
[MAX_PATH
];
82 enum device_type type
;
86 TRACE("(%p, %s, %p, %p)\n", pbc
, debugstr_w(name
), eaten
, ret
);
90 *eaten
= strlenW(name
);
92 name
= strchrW(name
, ':') + 1;
94 if (!strncmpW(name
, swW
, 3))
99 else if (!strncmpW(name
, cmW
, 3))
104 else if (!strncmpW(name
, dmoW
, 4))
111 FIXME("unhandled device type %s\n", debugstr_w(name
));
115 if (!(mon
= DEVENUM_IMediaCatMoniker_Construct()))
116 return E_OUTOFMEMORY
;
118 if (type
== DEVICE_DMO
)
120 lstrcpynW(buffer
, name
, CHARS_IN_GUID
);
121 if (FAILED(CLSIDFromString(buffer
, &mon
->clsid
)))
123 IMoniker_Release(&mon
->IMoniker_iface
);
127 lstrcpynW(buffer
, name
+ CHARS_IN_GUID
- 1, CHARS_IN_GUID
);
128 if (FAILED(CLSIDFromString(buffer
, &mon
->class)))
130 IMoniker_Release(&mon
->IMoniker_iface
);
136 lstrcpynW(buffer
, name
, CHARS_IN_GUID
);
137 if (CLSIDFromString(buffer
, &class) == S_OK
)
139 mon
->has_class
= TRUE
;
141 name
+= CHARS_IN_GUID
;
144 if (!(mon
->name
= CoTaskMemAlloc((strlenW(name
) + 1) * sizeof(WCHAR
))))
146 IMoniker_Release(&mon
->IMoniker_iface
);
147 return E_OUTOFMEMORY
;
149 strcpyW(mon
->name
, name
);
154 *ret
= &mon
->IMoniker_iface
;
159 /**********************************************************************
160 * IParseDisplayName_Vtbl
162 static const IParseDisplayNameVtbl IParseDisplayName_Vtbl
=
164 DEVENUM_IParseDisplayName_QueryInterface
,
165 DEVENUM_IParseDisplayName_AddRef
,
166 DEVENUM_IParseDisplayName_Release
,
167 DEVENUM_IParseDisplayName_ParseDisplayName
170 /* The one instance of this class */
171 IParseDisplayName DEVENUM_ParseDisplayName
= { &IParseDisplayName_Vtbl
};