156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
/* OLE DB Row Position library
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*
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* Copyright 2013 Nikolay Sivov
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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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#define COBJMACROS
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#include "windef.h"
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#include "ole2.h"
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#include "oledb.h"
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#include "oledb_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(oledb);
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typedef struct
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{
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IRowPosition IRowPosition_iface;
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LONG ref;
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} rowpos;
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static inline rowpos *impl_from_IRowPosition(IRowPosition *iface)
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{
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return CONTAINING_RECORD(iface, rowpos, IRowPosition_iface);
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}
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static HRESULT WINAPI rowpos_QueryInterface(IRowPosition* iface, REFIID riid, void **obj)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), obj);
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*obj = NULL;
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IRowPosition))
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{
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*obj = iface;
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}
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else
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{
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FIXME("interface %s not implemented\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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IRowPosition_AddRef(iface);
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return S_OK;
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}
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static ULONG WINAPI rowpos_AddRef(IRowPosition* iface)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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return ref;
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}
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static ULONG WINAPI rowpos_Release(IRowPosition* iface)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(%d)\n", This, ref);
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if (ref == 0)
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HeapFree(GetProcessHeap(), 0, This);
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return ref;
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}
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static HRESULT WINAPI rowpos_ClearRowPosition(IRowPosition* iface)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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FIXME("(%p): stub\n", This);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rowpos_GetRowPosition(IRowPosition *iface, HCHAPTER *chapter,
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HROW *row, DBPOSITIONFLAGS *flags)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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FIXME("(%p)->(%p %p %p): stub\n", This, chapter, row, flags);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rowpos_GetRowset(IRowPosition *iface, REFIID riid, IUnknown **rowset)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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FIXME("(%p)->(%s %p): stub\n", This, debugstr_guid(riid), rowset);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rowpos_Initialize(IRowPosition *iface, IUnknown *rowset)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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FIXME("(%p)->(%p): stub\n", This, rowset);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI rowpos_SetRowPosition(IRowPosition *iface, HCHAPTER chapter,
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HROW row, DBPOSITIONFLAGS flags)
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{
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rowpos *This = impl_from_IRowPosition(iface);
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FIXME("(%p)->(%lx %lx %d): stub\n", This, chapter, row, flags);
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return E_NOTIMPL;
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}
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static const struct IRowPositionVtbl rowpos_vtbl =
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{
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rowpos_QueryInterface,
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rowpos_AddRef,
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rowpos_Release,
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rowpos_ClearRowPosition,
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rowpos_GetRowPosition,
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rowpos_GetRowset,
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rowpos_Initialize,
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rowpos_SetRowPosition
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};
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HRESULT create_oledb_rowpos(IUnknown *outer, void **obj)
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{
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rowpos *This;
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TRACE("(%p, %p)\n", outer, obj);
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*obj = NULL;
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if(outer) return CLASS_E_NOAGGREGATION;
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This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
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if(!This) return E_OUTOFMEMORY;
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This->IRowPosition_iface.lpVtbl = &rowpos_vtbl;
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This->ref = 1;
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*obj = &This->IRowPosition_iface;
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return S_OK;
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}
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