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478 lines
12 KiB
C
478 lines
12 KiB
C
/*
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* standard IPropertyStore implementation
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*
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* Copyright 2012 Vincent Povirk for CodeWeavers
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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 "config.h"
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "objbase.h"
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#include "rpcproxy.h"
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#include "propsys.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "wine/list.h"
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#include "initguid.h"
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#include "propsys_private.h"
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DEFINE_GUID(FMTID_NamedProperties, 0xd5cdd505, 0x2e9c, 0x101b, 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae);
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WINE_DEFAULT_DEBUG_CHANNEL(propsys);
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typedef struct {
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struct list entry;
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DWORD pid;
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PROPVARIANT propvar;
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PSC_STATE state;
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} propstore_value;
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typedef struct {
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struct list entry;
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GUID fmtid;
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struct list values; /* list of struct propstore_value */
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DWORD count;
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} propstore_format;
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typedef struct {
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IPropertyStoreCache IPropertyStoreCache_iface;
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LONG ref;
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CRITICAL_SECTION lock;
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struct list formats; /* list of struct propstore_format */
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} PropertyStore;
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static inline PropertyStore *impl_from_IPropertyStoreCache(IPropertyStoreCache *iface)
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{
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return CONTAINING_RECORD(iface, PropertyStore, IPropertyStoreCache_iface);
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}
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static HRESULT WINAPI PropertyStore_QueryInterface(IPropertyStoreCache *iface, REFIID iid,
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void **ppv)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IPropertyStore, iid) ||
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IsEqualIID(&IID_IPropertyStoreCache, iid))
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{
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*ppv = &This->IPropertyStoreCache_iface;
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}
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else
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{
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FIXME("No interface for %s\n", debugstr_guid(iid));
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI PropertyStore_AddRef(IPropertyStoreCache *iface)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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return ref;
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}
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static void destroy_format(propstore_format *format)
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{
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propstore_value *cursor, *cursor2;
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LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &format->values, propstore_value, entry)
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{
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PropVariantClear(&cursor->propvar);
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HeapFree(GetProcessHeap(), 0, cursor);
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}
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HeapFree(GetProcessHeap(), 0, format);
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}
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static ULONG WINAPI PropertyStore_Release(IPropertyStoreCache *iface)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) refcount=%u\n", iface, ref);
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if (ref == 0)
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{
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propstore_format *cursor, *cursor2;
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This->lock.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->lock);
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LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, &This->formats, propstore_format, entry)
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destroy_format(cursor);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT WINAPI PropertyStore_GetCount(IPropertyStoreCache *iface,
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DWORD *cProps)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_format *format;
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TRACE("%p,%p\n", iface, cProps);
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if (!cProps)
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return E_POINTER;
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*cProps = 0;
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EnterCriticalSection(&This->lock);
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LIST_FOR_EACH_ENTRY(format, &This->formats, propstore_format, entry)
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*cProps += format->count;
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LeaveCriticalSection(&This->lock);
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return S_OK;
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}
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static HRESULT WINAPI PropertyStore_GetAt(IPropertyStoreCache *iface,
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DWORD iProp, PROPERTYKEY *pkey)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_format *format=NULL, *format_candidate;
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propstore_value *value;
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HRESULT hr;
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TRACE("%p,%d,%p\n", iface, iProp, pkey);
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if (!pkey)
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return E_POINTER;
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EnterCriticalSection(&This->lock);
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LIST_FOR_EACH_ENTRY(format_candidate, &This->formats, propstore_format, entry)
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{
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if (format_candidate->count > iProp)
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{
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format = format_candidate;
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pkey->fmtid = format->fmtid;
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break;
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}
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iProp -= format_candidate->count;
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}
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if (format)
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{
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LIST_FOR_EACH_ENTRY(value, &format->values, propstore_value, entry)
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{
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if (iProp == 0)
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{
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pkey->pid = value->pid;
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break;
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}
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iProp--;
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}
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hr = S_OK;
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}
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else
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hr = E_INVALIDARG;
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT PropertyStore_LookupValue(PropertyStore *This, REFPROPERTYKEY key,
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BOOL insert, propstore_value **result)
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{
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propstore_format *format=NULL, *format_candidate;
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propstore_value *value=NULL, *value_candidate;
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if (IsEqualGUID(&key->fmtid, &FMTID_NamedProperties))
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{
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/* This is used in the property store format [MS-PROPSTORE]
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* for named values and probably gets special treatment. */
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ERR("don't know how to handle FMTID_NamedProperties\n");
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return E_FAIL;
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}
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LIST_FOR_EACH_ENTRY(format_candidate, &This->formats, propstore_format, entry)
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{
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if (IsEqualGUID(&format_candidate->fmtid, &key->fmtid))
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{
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format = format_candidate;
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break;
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}
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}
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if (!format)
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{
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if (!insert)
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return TYPE_E_ELEMENTNOTFOUND;
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format = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*format));
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if (!format)
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return E_OUTOFMEMORY;
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format->fmtid = key->fmtid;
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list_init(&format->values);
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list_add_tail(&This->formats, &format->entry);
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}
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LIST_FOR_EACH_ENTRY(value_candidate, &format->values, propstore_value, entry)
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{
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if (value_candidate->pid == key->pid)
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{
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value = value_candidate;
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break;
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}
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}
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if (!value)
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{
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if (!insert)
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return TYPE_E_ELEMENTNOTFOUND;
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value = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*value));
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if (!value)
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return E_OUTOFMEMORY;
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value->pid = key->pid;
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list_add_tail(&format->values, &value->entry);
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format->count++;
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}
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*result = value;
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return S_OK;
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}
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static HRESULT WINAPI PropertyStore_GetValue(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, PROPVARIANT *pv)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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TRACE("%p,%p,%p\n", iface, key, pv);
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if (!pv)
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return E_POINTER;
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, FALSE, &value);
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if (SUCCEEDED(hr))
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hr = PropVariantCopy(pv, &value->propvar);
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else if (hr == TYPE_E_ELEMENTNOTFOUND)
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{
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PropVariantInit(pv);
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hr = S_OK;
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}
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT WINAPI PropertyStore_SetValue(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, REFPROPVARIANT propvar)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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PROPVARIANT temp;
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TRACE("%p,%p,%p\n", iface, key, propvar);
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, TRUE, &value);
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if (SUCCEEDED(hr))
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hr = PropVariantCopy(&temp, propvar);
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if (SUCCEEDED(hr))
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{
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PropVariantClear(&value->propvar);
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value->propvar = temp;
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}
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT WINAPI PropertyStore_Commit(IPropertyStoreCache *iface)
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{
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FIXME("%p: stub\n", iface);
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return S_OK;
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}
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static HRESULT WINAPI PropertyStore_GetState(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, PSC_STATE *pstate)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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TRACE("%p,%p,%p\n", iface, key, pstate);
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, FALSE, &value);
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if (SUCCEEDED(hr))
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*pstate = value->state;
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LeaveCriticalSection(&This->lock);
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if (FAILED(hr))
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*pstate = PSC_NORMAL;
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return hr;
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}
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static HRESULT WINAPI PropertyStore_GetValueAndState(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, PROPVARIANT *ppropvar, PSC_STATE *pstate)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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TRACE("%p,%p,%p,%p\n", iface, key, ppropvar, pstate);
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, FALSE, &value);
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if (SUCCEEDED(hr))
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hr = PropVariantCopy(ppropvar, &value->propvar);
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if (SUCCEEDED(hr))
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*pstate = value->state;
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LeaveCriticalSection(&This->lock);
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if (FAILED(hr))
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{
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PropVariantInit(ppropvar);
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*pstate = PSC_NORMAL;
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}
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return hr;
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}
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static HRESULT WINAPI PropertyStore_SetState(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, PSC_STATE pstate)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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TRACE("%p,%p,%d\n", iface, key, pstate);
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, FALSE, &value);
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if (SUCCEEDED(hr))
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value->state = pstate;
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static HRESULT WINAPI PropertyStore_SetValueAndState(IPropertyStoreCache *iface,
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REFPROPERTYKEY key, const PROPVARIANT *ppropvar, PSC_STATE state)
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{
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PropertyStore *This = impl_from_IPropertyStoreCache(iface);
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propstore_value *value;
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HRESULT hr;
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PROPVARIANT temp;
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TRACE("%p,%p,%p,%d\n", iface, key, ppropvar, state);
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EnterCriticalSection(&This->lock);
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hr = PropertyStore_LookupValue(This, key, TRUE, &value);
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if (SUCCEEDED(hr))
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hr = PropVariantCopy(&temp, ppropvar);
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if (SUCCEEDED(hr))
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{
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PropVariantClear(&value->propvar);
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value->propvar = temp;
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value->state = state;
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}
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LeaveCriticalSection(&This->lock);
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return hr;
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}
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static const IPropertyStoreCacheVtbl PropertyStore_Vtbl = {
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PropertyStore_QueryInterface,
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PropertyStore_AddRef,
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PropertyStore_Release,
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PropertyStore_GetCount,
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PropertyStore_GetAt,
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PropertyStore_GetValue,
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PropertyStore_SetValue,
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PropertyStore_Commit,
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PropertyStore_GetState,
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PropertyStore_GetValueAndState,
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PropertyStore_SetState,
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PropertyStore_SetValueAndState
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};
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HRESULT PropertyStore_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
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{
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PropertyStore *This;
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HRESULT ret;
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TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
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*ppv = NULL;
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if (pUnkOuter) return CLASS_E_NOAGGREGATION;
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This = HeapAlloc(GetProcessHeap(), 0, sizeof(PropertyStore));
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if (!This) return E_OUTOFMEMORY;
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This->IPropertyStoreCache_iface.lpVtbl = &PropertyStore_Vtbl;
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This->ref = 1;
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InitializeCriticalSection(&This->lock);
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This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PropertyStore.lock");
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list_init(&This->formats);
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ret = IPropertyStoreCache_QueryInterface(&This->IPropertyStoreCache_iface, iid, ppv);
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IPropertyStoreCache_Release(&This->IPropertyStoreCache_iface);
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return ret;
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}
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