Leaked source code of windows server 2003
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144 lines
4.5 KiB

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