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144 lines
4.5 KiB
144 lines
4.5 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// File: P I D L U T I L . C P P
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//
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// Contents: PIDL utility routines. This stuff is mainly copied from the
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// existing Namespace extension samples and real code, since
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// everyone and their gramma uses this stuff.
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//
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// Notes:
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//
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// Author: jeffspr 1 Oct 1997
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include "foldinc.h" // Standard shell\folder includes
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#include "connlist.h" // Connection list code
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//+---------------------------------------------------------------------------
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//
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// Function: HrCloneRgIDL
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//
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// Purpose: Clone a pidl array
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//
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// Arguments:
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// rgpidl [in] PIDL vector to clone
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// fUseCache [in] If TRUE, generate the returned IDL from the cache
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// fAllowNonCacheItems [in] Use old version of pidl if cached version non available
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// pppidl [out] Return pointer for pidl array
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//
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// Returns:
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//
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// Author: jeffspr 22 Oct 1997
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//
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// Notes:
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//
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HRESULT HrCloneRgIDL(
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IN const PCONFOLDPIDLVEC& rgpidl,
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IN BOOL fUseCache,
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IN BOOL fAllowNonCacheItems,
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OUT PCONFOLDPIDLVEC& pppidl)
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{
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HRESULT hr = NOERROR;
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NETCFG_TRY
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PCONFOLDPIDLVEC rgpidlReturn;
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PCONFOLDPIDLVEC::const_iterator irg;
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if (rgpidl.empty())
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{
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hr = E_INVALIDARG;
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goto Exit;
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}
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else
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{
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// Clone all elements within the passed in PIDL array
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//
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for (irg = rgpidl.begin(); irg != rgpidl.end(); irg++)
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{
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if (fUseCache)
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{
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ConnListEntry cle;
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PCONFOLDPIDL pcfp = *irg;
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hr = g_ccl.HrFindConnectionByGuid(&(pcfp->guidId), cle);
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if (hr == S_OK)
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{
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Assert(!cle.empty());
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Assert(!cle.ccfe.empty());
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// Copy to the return pidl array.
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PCONFOLDPIDL newPidl;
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hr = cle.ccfe.ConvertToPidl(newPidl);
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if (SUCCEEDED(hr))
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{
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rgpidlReturn.push_back(newPidl);
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}
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else
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{
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goto Exit;
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}
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}
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else
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{
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TraceTag(ttidShellFolder, "HrCloneRgIDL: Connection find returned: 0x%08x", hr);
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if (hr == S_FALSE)
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{
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if (fAllowNonCacheItems)
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{
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TraceTag(ttidShellFolder, "HrCloneRgIDL: Connection not found in cache, "
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"using non-cache item");
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PCONFOLDPIDL newPidl;
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newPidl = *irg;
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rgpidlReturn.push_back(newPidl);
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}
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else
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{
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TraceTag(ttidShellFolder, "HrCloneRgIDL: Connection not found in cache. "
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"Dropping item from array");
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}
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}
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else
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{
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AssertSz(FALSE, "HrCloneRgIDL: Connection find HR_FAILED");
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}
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}
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}
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else
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{
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PCONFOLDPIDL newPidl;
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newPidl = *irg;
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rgpidlReturn.push_back(newPidl);
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}
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}
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}
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Exit:
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if (FAILED(hr))
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{
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rgpidlReturn.clear();
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}
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else
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{
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// Fill in the return var.
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//
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pppidl = rgpidlReturn;
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}
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NETCFG_CATCH(hr)
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TraceHr(ttidError, FAL, hr, FALSE, "HrCloneRgIDL");
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return hr;
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} // HrCloneRgIDL
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