/* * 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(IParseDisplayName *iface, REFIID riid, void **ppv) { TRACE("\n\tIID:\t%s\n",debugstr_guid(riid)); if (!ppv) return E_POINTER; if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IParseDisplayName)) { *ppv = iface; IParseDisplayName_AddRef(iface); return S_OK; } FIXME("- no interface IID: %s\n", debugstr_guid(riid)); *ppv = NULL; return E_NOINTERFACE; } static ULONG WINAPI DEVENUM_IParseDisplayName_AddRef(IParseDisplayName *iface) { TRACE("\n"); DEVENUM_LockModule(); return 2; /* non-heap based object */ } static ULONG WINAPI DEVENUM_IParseDisplayName_Release(IParseDisplayName *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(IParseDisplayName *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 = &pMoniker->IMoniker_iface; else { IMoniker_Release(&pMoniker->IMoniker_iface); 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 */ IParseDisplayName DEVENUM_ParseDisplayName = { &IParseDisplayName_Vtbl };