| /* |
| * IParseDisplayName implementation for DEVENUM.dll |
| * |
| * Copyright (C) 2002 Robert Shearman |
| * |
| * 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 |
| * |
| * NOTES ON THIS FILE: |
| * - Implements IParseDisplayName interface which creates a moniker |
| * from a string in a special format |
| */ |
| #include "devenum_private.h" |
| |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(devenum); |
| |
| static HRESULT WINAPI DEVENUM_IParseDisplayName_QueryInterface( |
| LPPARSEDISPLAYNAME iface, |
| REFIID riid, |
| LPVOID *ppvObj) |
| { |
| TRACE("\n\tIID:\t%s\n",debugstr_guid(riid)); |
| |
| if (ppvObj == NULL) return E_POINTER; |
| |
| if (IsEqualGUID(riid, &IID_IUnknown) || |
| IsEqualGUID(riid, &IID_IParseDisplayName)) |
| { |
| *ppvObj = iface; |
| IParseDisplayName_AddRef(iface); |
| return S_OK; |
| } |
| |
| FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid)); |
| return E_NOINTERFACE; |
| } |
| |
| /********************************************************************** |
| * DEVENUM_IParseDisplayName_AddRef (also IUnknown) |
| */ |
| static ULONG WINAPI DEVENUM_IParseDisplayName_AddRef(LPPARSEDISPLAYNAME iface) |
| { |
| TRACE("\n"); |
| |
| DEVENUM_LockModule(); |
| |
| return 2; /* non-heap based object */ |
| } |
| |
| /********************************************************************** |
| * DEVENUM_IParseDisplayName_Release (also IUnknown) |
| */ |
| static ULONG WINAPI DEVENUM_IParseDisplayName_Release(LPPARSEDISPLAYNAME iface) |
| { |
| TRACE("\n"); |
| |
| DEVENUM_UnlockModule(); |
| |
| return 1; /* non-heap based object */ |
| } |
| |
| /********************************************************************** |
| * DEVENUM_IParseDisplayName_ParseDisplayName |
| * |
| * Creates a moniker referenced to by the display string argument |
| * |
| * POSSIBLE BUGS: |
| * Might not handle more complicated strings properly (ie anything |
| * not in "@device:sw:{CLSID1}\<filter name or CLSID>" format |
| */ |
| static HRESULT WINAPI DEVENUM_IParseDisplayName_ParseDisplayName( |
| LPPARSEDISPLAYNAME iface, |
| IBindCtx *pbc, |
| LPOLESTR pszDisplayName, |
| ULONG *pchEaten, |
| IMoniker **ppmkOut) |
| { |
| LPOLESTR pszBetween = NULL; |
| LPOLESTR pszClass = NULL; |
| MediaCatMoniker * pMoniker = NULL; |
| CLSID clsidDevice; |
| HRESULT res = S_OK; |
| WCHAR wszRegKeyName[MAX_PATH]; |
| HKEY hbasekey; |
| int classlen; |
| static const WCHAR wszRegSeparator[] = {'\\', 0 }; |
| |
| TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(pszDisplayName), pchEaten, ppmkOut); |
| |
| *ppmkOut = NULL; |
| if (pchEaten) |
| *pchEaten = strlenW(pszDisplayName); |
| |
| pszDisplayName = strchrW(pszDisplayName, '{'); |
| pszBetween = strchrW(pszDisplayName, '}') + 2; |
| |
| /* size = pszBetween - pszDisplayName - 1 (for '\\' after CLSID) |
| * + 1 (for NULL character) |
| */ |
| classlen = (int)(pszBetween - pszDisplayName - 1); |
| pszClass = CoTaskMemAlloc((classlen + 1) * sizeof(WCHAR)); |
| if (!pszClass) |
| return E_OUTOFMEMORY; |
| |
| memcpy(pszClass, pszDisplayName, classlen * sizeof(WCHAR)); |
| pszClass[classlen] = 0; |
| |
| TRACE("Device CLSID: %s\n", debugstr_w(pszClass)); |
| |
| res = CLSIDFromString(pszClass, &clsidDevice); |
| |
| if (SUCCEEDED(res)) |
| { |
| res = DEVENUM_GetCategoryKey(&clsidDevice, &hbasekey, wszRegKeyName, MAX_PATH); |
| } |
| |
| if (SUCCEEDED(res)) |
| { |
| pMoniker = DEVENUM_IMediaCatMoniker_Construct(); |
| if (pMoniker) |
| { |
| strcatW(wszRegKeyName, wszRegSeparator); |
| strcatW(wszRegKeyName, pszBetween); |
| |
| if (RegCreateKeyW(hbasekey, wszRegKeyName, &pMoniker->hkey) == ERROR_SUCCESS) |
| *ppmkOut = (LPMONIKER)pMoniker; |
| else |
| { |
| IMoniker_Release((LPMONIKER)pMoniker); |
| res = MK_E_NOOBJECT; |
| } |
| } |
| } |
| |
| CoTaskMemFree(pszClass); |
| |
| TRACE("-- returning: %x\n", res); |
| return res; |
| } |
| |
| /********************************************************************** |
| * IParseDisplayName_Vtbl |
| */ |
| static const IParseDisplayNameVtbl IParseDisplayName_Vtbl = |
| { |
| DEVENUM_IParseDisplayName_QueryInterface, |
| DEVENUM_IParseDisplayName_AddRef, |
| DEVENUM_IParseDisplayName_Release, |
| DEVENUM_IParseDisplayName_ParseDisplayName |
| }; |
| |
| /* The one instance of this class */ |
| ParseDisplayNameImpl DEVENUM_ParseDisplayName = { &IParseDisplayName_Vtbl }; |