202 lines
5.2 KiB
C++
202 lines
5.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2002.
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//
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// File: pidmap.cxx
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//
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// Contents: Maps pid <--> property name.
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//
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// History: 31-Jan-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <pidmap.hxx>
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#include <coldesc.hxx>
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IMPL_DYNARRAY( CPropNameArrayBase, CFullPropSpec );
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//+-------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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CPropNameArray::CPropNameArray(unsigned size)
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: CPropNameArrayBase( size )
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{
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}
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//+-------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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void CPropNameArray::Marshall( PSerStream & stm ) const
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{
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//
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// Compute # non-zero items
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//
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for ( unsigned len = 0; len < Size(); len++ )
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{
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if ( 0 == Get(len) )
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break;
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}
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stm.PutULong( len );
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for ( unsigned i = 0; i < len; i++ )
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{
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Get(i)->Marshall( stm );
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}
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}
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//+-------------------------------------------------------------------------
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//--------------------------------------------------------------------------
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CPropNameArray::CPropNameArray( PDeSerStream & stm )
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: CPropNameArrayBase( 0 )
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{
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ULONG cItems = stm.GetULong();
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// Guard against attack
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if ( 0 == cItems || cItems > 1000 )
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THROW( CException( E_INVALIDARG ) );
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SetExactSize( cItems );
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for ( unsigned i = 0; i < cItems; i++ )
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{
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CFullPropSpec * pps = new CFullPropSpec( stm );
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XPtr<CFullPropSpec> xpps(pps);
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if ( xpps.IsNull() || !xpps->IsValid() )
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{
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THROW( CException( STATUS_NO_MEMORY ) );
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}
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Add( pps, i);
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xpps.Acquire();
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}
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CPidMapper::NameToPid, public
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//
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// Arguments: [wcsProperty] -- Property name
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//
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// Returns: 'fake' (pid) for [wcsProperty].
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//
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// History: 31-Jan-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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PROPID CPidMapper::NameToPid( CFullPropSpec const & Property )
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{
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if ( !Property.IsValid() )
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return pidInvalid;
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//
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// Just linear search the array. It should be small.
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//
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for ( int i = Count() - 1; i >= 0; i-- )
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{
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Win4Assert( Get(i) != 0 );
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if ( *Get( i ) == Property )
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{
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return( i );
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}
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}
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//
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// Wasn't in array. Add.
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//
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CFullPropSpec * ppsFull = new CFullPropSpec( Property );
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XPtr<CFullPropSpec> xpps(ppsFull);
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if ( xpps.IsNull() || !xpps->IsValid() )
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{
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THROW( CException( STATUS_NO_MEMORY ) );
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}
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PROPID pidNew = Count();
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Add( ppsFull, pidNew );
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xpps.Acquire();
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_apidReal[pidNew] = pidInvalid;
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return pidNew;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CPidMapper::PidToRealPid, public
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//
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// Synopsis: Converts a fake (index) pid to real pid.
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//
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// Arguments: [pidFake] -- Fake (index) pid
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//
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// Returns: Real pid
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//
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// History: 30-Dec-1997 KyleP Created
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//
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//--------------------------------------------------------------------------
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PROPID CPidMapper::PidToRealPid( PROPID pidFake )
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{
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if ( pidInvalid == _apidReal[pidFake] )
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{
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Win4Assert( 0 != _pPidConverter );
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SCODE sc = _pPidConverter->FPSToPROPID( *Get(pidFake), _apidReal[pidFake] );
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if ( FAILED(sc) )
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{
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THROW( CException( sc ) );
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}
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#if CIDBG == 1
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if ( vqInfoLevel & DEB_ITRACE )
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{
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CFullPropSpec const & ps = *Get(pidFake);
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GUID const & guid = ps.GetPropSet();
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char szGuid[50];
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sprintf( szGuid,
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"%08lX-%04X-%04X-%02X%02X%02X%02X%02X%02X%02X%02X\\",
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guid.Data1,
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guid.Data2,
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guid.Data3,
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guid.Data4[0], guid.Data4[1],
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guid.Data4[2], guid.Data4[3],
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guid.Data4[4], guid.Data4[5],
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guid.Data4[6], guid.Data4[7] );
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vqDebugOut(( DEB_ITRACE, szGuid ));
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if ( ps.IsPropertyName() )
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vqDebugOut(( DEB_ITRACE | DEB_NOCOMPNAME,
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"%ws ",
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ps.GetPropertyName() ));
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else
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vqDebugOut(( DEB_ITRACE | DEB_NOCOMPNAME,
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"0x%x ",
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ps.GetPropertyPropid() ));
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vqDebugOut(( DEB_ITRACE | DEB_NOCOMPNAME, " --> pid 0x%x\n",
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_apidReal[pidFake] ));
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}
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#endif // CIDBG == 1
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}
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return _apidReal[pidFake];
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}
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