forked from Mirrors/wine-wine
157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/*
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* IParseDisplayName implementation for DEVENUM.dll
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*
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* Copyright (C) 2002 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* NOTES ON THIS FILE:
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* - Implements IParseDisplayName interface which creates a moniker
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* from a string in a special format
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*/
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#include "devenum_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(devenum);
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static HRESULT WINAPI devenum_parser_QueryInterface(IParseDisplayName *iface, REFIID riid, void **ppv)
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{
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TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
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if (!ppv)
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return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IParseDisplayName))
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{
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*ppv = iface;
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IParseDisplayName_AddRef(iface);
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return S_OK;
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}
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FIXME("- no interface IID: %s\n", debugstr_guid(riid));
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI devenum_parser_AddRef(IParseDisplayName *iface)
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{
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TRACE("\n");
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DEVENUM_LockModule();
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return 2; /* non-heap based object */
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}
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static ULONG WINAPI devenum_parser_Release(IParseDisplayName *iface)
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{
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TRACE("\n");
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DEVENUM_UnlockModule();
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return 1; /* non-heap based object */
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}
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static HRESULT WINAPI devenum_parser_ParseDisplayName(IParseDisplayName *iface,
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IBindCtx *pbc, LPOLESTR name, ULONG *eaten, IMoniker **ret)
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{
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struct moniker *moniker;
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WCHAR buffer[MAX_PATH];
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enum device_type type;
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GUID class, clsid;
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TRACE("(%p, %s, %p, %p)\n", pbc, debugstr_w(name), eaten, ret);
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*ret = NULL;
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if (eaten)
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*eaten = wcslen(name);
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name = wcschr(name, ':') + 1;
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if (!wcsncmp(name, L"sw:", 3))
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{
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type = DEVICE_FILTER;
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name += 3;
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}
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else if (!wcsncmp(name, L"cm:", 3))
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{
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type = DEVICE_CODEC;
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name += 3;
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}
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else if (!wcsncmp(name, L"dmo:", 4))
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{
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type = DEVICE_DMO;
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name += 4;
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}
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else
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{
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FIXME("unhandled device type %s\n", debugstr_w(name));
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return MK_E_SYNTAX;
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}
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if (type == DEVICE_DMO)
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{
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lstrcpynW(buffer, name, CHARS_IN_GUID);
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if (FAILED(CLSIDFromString(buffer, &clsid)))
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return MK_E_SYNTAX;
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lstrcpynW(buffer, name + CHARS_IN_GUID - 1, CHARS_IN_GUID);
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if (FAILED(CLSIDFromString(buffer, &class)))
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return MK_E_SYNTAX;
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moniker = dmo_moniker_create(class, clsid);
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}
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else
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{
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lstrcpynW(buffer, name, CHARS_IN_GUID);
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if (CLSIDFromString(buffer, &class) == S_OK)
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{
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name += CHARS_IN_GUID;
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if (type == DEVICE_FILTER)
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moniker = filter_moniker_create(&class, name);
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else
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moniker = codec_moniker_create(&class, name);
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}
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else
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{
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if (type == DEVICE_FILTER)
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moniker = filter_moniker_create(NULL, name);
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else
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moniker = codec_moniker_create(NULL, name);
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}
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}
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if (!moniker)
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return E_OUTOFMEMORY;
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*ret = &moniker->IMoniker_iface;
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return S_OK;
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}
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/**********************************************************************
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* IParseDisplayName_Vtbl
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*/
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static const IParseDisplayNameVtbl IParseDisplayName_Vtbl =
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{
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devenum_parser_QueryInterface,
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devenum_parser_AddRef,
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devenum_parser_Release,
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devenum_parser_ParseDisplayName,
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};
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/* The one instance of this class */
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IParseDisplayName devenum_parser = { &IParseDisplayName_Vtbl };
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