2465 lines
69 KiB
C++
2465 lines
69 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "datamodel/idatamodel.h"
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#include "datamodel/dmattributevar.h"
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#include "datamodel.h"
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#include "dependencygraph.h"
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#include "dmattributeinternal.h"
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#include "dmserializerkeyvalues.h"
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#include "dmserializerkeyvalues2.h"
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#include "dmserializerbinary.h"
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#include "undomanager.h"
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#include "clipboardmanager.h"
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#include "DmElementFramework.h"
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#include "vstdlib/iprocessutils.h"
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#include "tier0/dbg.h"
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#include "tier1/utlvector.h"
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#include "tier1/utlqueue.h"
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#include "tier1/utlbuffer.h"
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#include "tier2/utlstreambuffer.h"
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#include "tier2/fileutils.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CUtlBuffer;
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class IDmEditMessage;
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class KeyValues;
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#define UNNAMED_ELEMENT_NAME "unnamed"
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//-----------------------------------------------------------------------------
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// Class factory for the default element
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//-----------------------------------------------------------------------------
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class CDmElementFactoryDefault : public IDmElementFactory
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{
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public:
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// Creation, destruction
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virtual CDmElement* Create( DmElementHandle_t handle, const char *pElementType, const char *pElementName, DmFileId_t fileid, const DmObjectId_t &id )
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{
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return new CDmElement( handle, pElementType, id, pElementName, fileid );
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}
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virtual void Destroy( DmElementHandle_t hElement )
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{
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if ( hElement != DMELEMENT_HANDLE_INVALID )
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{
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CDmElement *pElement = g_pDataModel->GetElement( hElement );
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delete static_cast<CDmElement*>( pElement );
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}
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}
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};
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static CDmElementFactoryDefault s_DefaultElementFactory;
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//-----------------------------------------------------------------------------
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// Singleton instance
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//-----------------------------------------------------------------------------
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static CDataModel g_DataModel;
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CDataModel *g_pDataModelImp = &g_DataModel;
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IDataModel *g_pDataModel = &g_DataModel;
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//-----------------------------------------------------------------------------
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// Constructor, destructor
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//-----------------------------------------------------------------------------
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CDataModel::CDataModel() :
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m_elementIds( 4096 ),
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m_unloadedIdElementMap( 16, 0, 0, ElementIdHandlePair_t::Compare, ElementIdHandlePair_t::HashKey )
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{
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m_pDefaultFactory = &s_DefaultElementFactory;
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m_bUnableToSetDefaultFactory = false;
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m_bOnlyCreateUntypedElements = false;
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m_bUnableToCreateOnlyUntypedElements = false;
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m_pKeyvaluesCallbackInterface = NULL;
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m_nElementsAllocatedSoFar = 0;
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m_nMaxNumberOfElements = 0;
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m_bIsUnserializing = false;
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m_bDeleteOrphanedElements = false;
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}
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CDataModel::~CDataModel()
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{
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m_UndoMgr.WipeUndo();
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if ( GetAllocatedElementCount() > 0 )
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{
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Warning( "Leaking %i elements\n", GetAllocatedElementCount() );
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}
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}
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//-----------------------------------------------------------------------------
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// Methods of IAppSystem
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//-----------------------------------------------------------------------------
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bool CDataModel::Connect( CreateInterfaceFn factory )
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{
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if ( !BaseClass::Connect( factory ) )
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return false;
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if ( !factory( FILESYSTEM_INTERFACE_VERSION, NULL ) )
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{
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Warning( "DataModel needs the file system to function" );
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return false;
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}
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return true;
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}
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void *CDataModel::QueryInterface( const char *pInterfaceName )
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{
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if ( !V_strcmp( pInterfaceName, VDATAMODEL_INTERFACE_VERSION ) )
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return (IDataModel*)this;
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *databasePath -
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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InitReturnVal_t CDataModel::Init( )
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{
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InitReturnVal_t nRetVal = BaseClass::Init();
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if ( nRetVal != INIT_OK )
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return nRetVal;
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InstallKeyValuesSerializer( this );
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InstallKeyValues2Serializer( this );
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InstallBinarySerializer( this );
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m_UndoMgr.SetUndoDepth( 256 );
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return INIT_OK;
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}
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//#define _ELEMENT_HISTOGRAM_
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#ifdef _ELEMENT_HISTOGRAM_
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CUtlMap< UtlSymId_t, int > g_typeHistogram( 0, 100, DefLessFunc( UtlSymId_t ) );
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#endif _ELEMENT_HISTOGRAM_
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CDataModel::Shutdown()
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{
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#ifdef _ELEMENT_HISTOGRAM_
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Msg( "element type histogram for %d elements allocated so far:\n", GetElementsAllocatedSoFar() );
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for ( int i = g_typeHistogram.FirstInorder(); g_typeHistogram.IsValidIndex( i ); i = g_typeHistogram.NextInorder( i ) )
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{
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Msg( "%d\t%s\n", g_typeHistogram.Element( i ), GetString( g_typeHistogram.Key( i ) ) );
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}
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Msg( "\n" );
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#endif _ELEMENT_HISTOGRAM_
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int c = GetAllocatedElementCount();
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if ( c > 0 )
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{
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Warning( "CDataModel: %i elements left in memory!!!\n", c );
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}
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m_Factories.Purge();
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m_Serializers.Purge();
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m_UndoMgr.Shutdown();
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BaseClass::Shutdown();
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}
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//-----------------------------------------------------------------------------
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// Sets the undo context size
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//-----------------------------------------------------------------------------
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void CDataModel::SetUndoDepth( int nSize )
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{
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m_UndoMgr.SetUndoDepth( nSize );
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}
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//-----------------------------------------------------------------------------
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// force creation of untyped elements, ignoring type
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//-----------------------------------------------------------------------------
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void CDataModel::OnlyCreateUntypedElements( bool bEnable )
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{
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if ( m_bUnableToCreateOnlyUntypedElements )
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{
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Assert( 0 );
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return;
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}
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m_bOnlyCreateUntypedElements = bEnable;
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}
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int CDataModel::GetElementsAllocatedSoFar()
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{
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return m_nElementsAllocatedSoFar;
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}
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int CDataModel::GetMaxNumberOfElements()
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{
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return m_nMaxNumberOfElements;
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}
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int CDataModel::GetAllocatedAttributeCount()
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{
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return ::GetAllocatedAttributeCount();
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}
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//-----------------------------------------------------------------------------
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// Returns the total number of elements allocated at the moment
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//-----------------------------------------------------------------------------
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int CDataModel::GetAllocatedElementCount()
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{
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return ( int )m_Handles.GetValidHandleCount();
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}
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DmElementHandle_t CDataModel::FirstAllocatedElement()
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{
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int nHandles = ( int )m_Handles.GetHandleCount();
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for ( int i = 0; i < nHandles; ++i )
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{
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DmElementHandle_t hElement = ( DmElementHandle_t )m_Handles.GetHandleFromIndex( i );
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if ( hElement != DMELEMENT_HANDLE_INVALID )
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return hElement;
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}
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return DMELEMENT_HANDLE_INVALID;
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}
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DmElementHandle_t CDataModel::NextAllocatedElement( DmElementHandle_t hElement )
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{
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int nHandles = ( int )m_Handles.GetHandleCount();
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for ( int i = m_Handles.GetIndexFromHandle( hElement ) + 1; i < nHandles; ++i )
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{
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DmElementHandle_t hElementCur = ( DmElementHandle_t )m_Handles.GetHandleFromIndex( i );
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if ( hElementCur != DMELEMENT_HANDLE_INVALID )
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return hElementCur;
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}
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return DMELEMENT_HANDLE_INVALID;
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}
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//-----------------------------------------------------------------------------
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// estimate memory overhead
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//-----------------------------------------------------------------------------
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int CDataModel::EstimateMemoryOverhead() const
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{
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int nHandlesOverhead = sizeof( int ) + sizeof( CDmElement* ); // m_Handles
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int nElementIdsOverhead = sizeof( DmElementHandle_t ); // this also has a 80k static overhead, since hash tables can't grow
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return nHandlesOverhead + nElementIdsOverhead;
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}
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static bool HandleCompare( const DmElementHandle_t & a, const DmElementHandle_t &b )
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{
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return a == b;
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}
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static unsigned int HandleHash( const DmElementHandle_t &h )
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{
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return (unsigned int)h;
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}
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int CDataModel::EstimateMemoryUsage( DmElementHandle_t hElement, TraversalDepth_t depth )
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{
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CUtlHash< DmElementHandle_t > visited( 1024, 0, 0, HandleCompare, HandleHash );
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CDmElement *pElement = m_Handles.GetHandle( hElement );
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if ( !pElement )
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return 0;
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return CDmeElementAccessor::EstimateMemoryUsage( pElement, visited, depth, NULL );
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}
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//-----------------------------------------------------------------------------
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// Displays stats for datamodel
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//-----------------------------------------------------------------------------
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struct DmMemoryInfo_t
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{
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int m_nCount;
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int m_nSize;
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int m_pCategories[ MEMORY_CATEGORY_COUNT ];
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};
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struct DmMemorySortInfo_t
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{
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int m_nIndex;
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int m_nTotalSize;
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};
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int DmMemorySortFunc( const void * lhs, const void * rhs )
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{
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DmMemorySortInfo_t &info1 = *(DmMemorySortInfo_t*)lhs;
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DmMemorySortInfo_t &info2 = *(DmMemorySortInfo_t*)rhs;
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return info1.m_nTotalSize - info2.m_nTotalSize;
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}
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void CDataModel::DisplayMemoryStats( )
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{
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CUtlMap< UtlSymId_t, DmMemoryInfo_t > typeHistogram( 0, 100, DefLessFunc( UtlSymId_t ) );
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CUtlHash< DmElementHandle_t > visited( 1024, 0, 0, HandleCompare, HandleHash );
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int c = (int)m_Handles.GetHandleCount();
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for ( int i = 0; i < c; ++i )
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{
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DmElementHandle_t h = (DmElementHandle_t)m_Handles.GetHandleFromIndex( i );
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if ( !m_Handles.IsHandleValid( h ) )
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continue;
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CDmElement *pElement = m_Handles.GetHandle( h );
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if ( !pElement )
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continue;
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unsigned short j = typeHistogram.Find( pElement->GetType() );
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if ( !typeHistogram.IsValidIndex( j ) )
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{
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j = typeHistogram.Insert( pElement->GetType() );
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typeHistogram[j].m_nCount = 0;
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typeHistogram[j].m_nSize = 0;
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memset( typeHistogram[j].m_pCategories, 0, sizeof(typeHistogram[j].m_pCategories) );
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}
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int nMemory = CDmeElementAccessor::EstimateMemoryUsage( pElement, visited, TD_NONE, typeHistogram[j].m_pCategories );
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++typeHistogram[j].m_nCount;
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typeHistogram[j].m_nSize += nMemory;
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}
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// Sort
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DmMemorySortInfo_t* pSortInfo = (DmMemorySortInfo_t*)_alloca( typeHistogram.Count() * sizeof(DmMemorySortInfo_t) );
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int nCount = 0;
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for ( int i = typeHistogram.FirstInorder(); typeHistogram.IsValidIndex( i ); i = typeHistogram.NextInorder( i ) )
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{
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pSortInfo[nCount].m_nIndex = i;
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pSortInfo[nCount].m_nTotalSize = typeHistogram.Element( i ).m_nSize;
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++nCount;
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}
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qsort( pSortInfo, nCount, sizeof(DmMemorySortInfo_t), DmMemorySortFunc );
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int pTotals[ MEMORY_CATEGORY_COUNT ];
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int nTotalSize = 0;
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int nTotalCount = 0;
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int nTotalData = 0;
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memset( pTotals, 0, sizeof(pTotals) );
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ConMsg( "Dm Memory usage: type\t\t\t\tcount\ttotalsize\twastage %%\touter\t\tinner\t\tdatamodel\trefs\t\ttree\t\tatts\t\tdata\t(att count)\n" );
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for ( int i = 0; i < nCount; ++i )
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{
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const DmMemoryInfo_t& info = typeHistogram.Element( pSortInfo[i].m_nIndex );
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float flPercentOverhead = 1.0f - ( ( info.m_nSize != 0 ) ? ( (float)info.m_pCategories[MEMORY_CATEGORY_ATTRIBUTE_DATA] / (float)info.m_nSize ) : 0.0f );
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flPercentOverhead *= 100.0f;
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ConMsg( "%-40s\t%6d\t%9d\t\t%5.2f", GetString( typeHistogram.Key( pSortInfo[i].m_nIndex ) ),
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info.m_nCount, info.m_nSize, flPercentOverhead );
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int nTotal = 0;
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for ( int j = 0; j < MEMORY_CATEGORY_COUNT; ++j )
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{
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ConColorMsg( Color( 255, 192, 0, 255 ), "\t%8d", info.m_pCategories[j] );
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if ( j != MEMORY_CATEGORY_ATTRIBUTE_COUNT )
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{
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nTotal += info.m_pCategories[j];
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}
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pTotals[j] += info.m_pCategories[j];
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}
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ConMsg( "\n" );
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Assert( nTotal == info.m_nSize );
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nTotalSize += info.m_nSize;
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nTotalCount += info.m_nCount;
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nTotalData += info.m_pCategories[MEMORY_CATEGORY_ATTRIBUTE_DATA];
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}
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ConMsg( "\n" );
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ConMsg( "%-40s\t%6d\t%9d\t\t%5.2f", "Totals", nTotalCount, nTotalSize, 100.0f * ( 1.0f - (float)nTotalData / (float)nTotalSize ) );
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for ( int j = 0; j < MEMORY_CATEGORY_COUNT; ++j )
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{
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ConColorMsg( Color( 255, 192, 0, 255 ), "\t%8d", pTotals[j] );
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}
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ConMsg( "\n" );
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}
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//-----------------------------------------------------------------------------
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// Global symbol table for the datamodel system
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//-----------------------------------------------------------------------------
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UtlSymId_t CDataModel::GetSymbol( const char *pString )
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{
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return m_SymbolTable.AddString( pString );
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}
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const char * CDataModel::GetString( UtlSymId_t sym ) const
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{
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return m_SymbolTable.String( sym );
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}
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unsigned short CDataModel::GetSymbolCount() const // this can't ever overflow a ushort, since UtlSymId_t is a ushort, and one of its entries is invalid (0xffff)
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{
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return m_SymbolTable.GetNumStrings(); // this is only useful because symbols are never removed
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}
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//-----------------------------------------------------------------------------
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// file format methods
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//-----------------------------------------------------------------------------
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const char* CDataModel::GetFormatExtension( const char *pFormatName )
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{
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IDmFormatUpdater *pUpdater = FindFormatUpdater( pFormatName );
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Assert( pUpdater );
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if ( !pUpdater )
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return NULL;
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return pUpdater->GetExtension();
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}
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const char* CDataModel::GetFormatDescription( const char *pFormatName )
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{
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IDmFormatUpdater *pUpdater = FindFormatUpdater( pFormatName );
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Assert( pUpdater );
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if ( !pUpdater )
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return NULL;
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return pUpdater->GetDescription();
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}
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int CDataModel::GetFormatCount() const
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{
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return m_FormatUpdaters.Count();
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}
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const char* CDataModel::GetFormatName( int i ) const
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{
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IDmFormatUpdater *pUpdater = m_FormatUpdaters[ i ];
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if ( !pUpdater )
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return NULL;
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return pUpdater->GetName();
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}
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const char *CDataModel::GetDefaultEncoding( const char *pFormatName )
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{
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IDmFormatUpdater *pUpdater = FindFormatUpdater( pFormatName );
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if ( !pUpdater )
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return NULL;
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return pUpdater->GetDefaultEncoding();
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}
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//-----------------------------------------------------------------------------
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// Adds various serializers
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//-----------------------------------------------------------------------------
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void CDataModel::AddSerializer( IDmSerializer *pSerializer )
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{
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Assert( Q_strlen( pSerializer->GetName() ) <= DMX_MAX_FORMAT_NAME_MAX_LENGTH );
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if ( FindSerializer( pSerializer->GetName() ) )
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{
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Warning("Attempted to add two serializers with the same file encoding (%s)!\n", pSerializer->GetName() );
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return;
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}
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m_Serializers.AddToTail( pSerializer );
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}
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void CDataModel::AddLegacyUpdater( IDmLegacyUpdater *pUpdater )
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{
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Assert( Q_strlen( pUpdater->GetName() ) <= DMX_MAX_FORMAT_NAME_MAX_LENGTH );
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if ( FindLegacyUpdater( pUpdater->GetName() ) )
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{
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Warning( "Attempted to add two legacy updaters with the same file format (%s)!\n", pUpdater->GetName() );
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return;
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}
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m_LegacyUpdaters.AddToTail( pUpdater );
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}
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void CDataModel::AddFormatUpdater( IDmFormatUpdater *pUpdater )
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{
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Assert( Q_strlen( pUpdater->GetName() ) <= DMX_MAX_FORMAT_NAME_MAX_LENGTH );
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if ( FindFormatUpdater( pUpdater->GetName() ) )
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{
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Warning( "Attempted to add two format updaters with the same file format (%s)!\n", pUpdater->GetName() );
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return;
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}
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m_FormatUpdaters.AddToTail( pUpdater );
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}
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//-----------------------------------------------------------------------------
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// encoding-related methods
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//-----------------------------------------------------------------------------
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int CDataModel::GetEncodingCount() const
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{
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return m_Serializers.Count();
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}
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const char *CDataModel::GetEncodingName( int i ) const
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{
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return m_Serializers[ i ]->GetName();
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}
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bool CDataModel::IsEncodingBinary( const char *pEncodingName ) const
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{
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IDmSerializer *pSerializer = FindSerializer( pEncodingName );
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if ( !pSerializer )
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{
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Warning("Serialize: File encoding %s is undefined!\n", pEncodingName );
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return false;
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}
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return pSerializer->IsBinaryFormat();
|
|
}
|
|
|
|
bool CDataModel::DoesEncodingStoreVersionInFile( const char *pEncodingName ) const
|
|
{
|
|
IDmSerializer *pSerializer = FindSerializer( pEncodingName );
|
|
if ( !pSerializer )
|
|
{
|
|
Warning("Serialize: File encoding %s is undefined!\n", pEncodingName );
|
|
return false;
|
|
}
|
|
return pSerializer->StoresVersionInFile();
|
|
}
|
|
|
|
|
|
IDmSerializer* CDataModel::FindSerializer( const char *pEncodingName ) const
|
|
{
|
|
int nSerializers = m_Serializers.Count();
|
|
for ( int i = 0; i < nSerializers; ++i )
|
|
{
|
|
IDmSerializer *pSerializer = m_Serializers[ i ];
|
|
Assert( pSerializer );
|
|
if ( !pSerializer )
|
|
continue;
|
|
|
|
if ( !V_strcmp( pEncodingName, pSerializer->GetName() ) )
|
|
return pSerializer;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
IDmLegacyUpdater* CDataModel::FindLegacyUpdater( const char *pLegacyFormatName ) const
|
|
{
|
|
int nUpdaters = m_LegacyUpdaters.Count();
|
|
for ( int i = 0; i < nUpdaters; ++i )
|
|
{
|
|
IDmLegacyUpdater *pUpdater = m_LegacyUpdaters[ i ];
|
|
Assert( pUpdater );
|
|
if ( !pUpdater )
|
|
continue;
|
|
|
|
if ( !V_strcmp( pLegacyFormatName, pUpdater->GetName() ) )
|
|
return pUpdater;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
IDmFormatUpdater* CDataModel::FindFormatUpdater( const char *pFormatName ) const
|
|
{
|
|
int nUpdaters = m_FormatUpdaters.Count();
|
|
for ( int i = 0; i < nUpdaters; ++i )
|
|
{
|
|
IDmFormatUpdater *pUpdater = m_FormatUpdaters[ i ];
|
|
Assert( pUpdater );
|
|
if ( !pUpdater )
|
|
continue;
|
|
|
|
if ( !V_strcmp( pFormatName, pUpdater->GetName() ) )
|
|
return pUpdater;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets the name of the DME element to create in keyvalues serialization
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::SetKeyValuesElementCallback( IElementForKeyValueCallback *pCallbackInterface )
|
|
{
|
|
m_pKeyvaluesCallbackInterface = pCallbackInterface;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
const char *CDataModel::GetKeyValuesElementName( const char *pszKeyName, int iNestingLevel )
|
|
{
|
|
if ( m_pKeyvaluesCallbackInterface )
|
|
return m_pKeyvaluesCallbackInterface->GetElementForKeyValue( pszKeyName, iNestingLevel );
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// For serialization, set the delimiter rules
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::SetSerializationDelimiter( CUtlCharConversion *pConv )
|
|
{
|
|
::SetSerializationDelimiter( pConv );
|
|
}
|
|
|
|
void CDataModel::SetSerializationArrayDelimiter( const char *pDelimiter )
|
|
{
|
|
::SetSerializationArrayDelimiter( pDelimiter );
|
|
}
|
|
|
|
bool CDataModel::SaveToFile( char const *pFileName, char const *pPathID, const char *pEncodingName, const char *pFormatName, CDmElement *pRoot )
|
|
{
|
|
// NOTE: This guarantees full path names for pathids
|
|
char pFullPath[ MAX_PATH ];
|
|
if ( !GenerateFullPath( pFileName, pPathID, pFullPath, sizeof( pFullPath ) ) )
|
|
{
|
|
Warning( "CDataModel: Unable to generate full path for file %s\n", pFileName );
|
|
return false;
|
|
}
|
|
|
|
if ( g_pFullFileSystem->FileExists( pFullPath, pPathID ) )
|
|
{
|
|
if ( !g_pFullFileSystem->IsFileWritable( pFullPath, pPathID ) )
|
|
{
|
|
Warning( "CDataModel: Unable to overwrite readonly file %s\n", pFullPath );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool bIsBinary = IsEncodingBinary( pEncodingName );
|
|
CUtlStreamBuffer buf( pFullPath, pPathID, bIsBinary ? 0 : CUtlBuffer::TEXT_BUFFER, true );
|
|
if ( !buf.IsValid() )
|
|
{
|
|
Warning( "CDataModel: Unable to open file \"%s\"\n", pFullPath );
|
|
return false;
|
|
}
|
|
return Serialize( buf, pEncodingName, pFormatName, pRoot->GetHandle() );
|
|
}
|
|
|
|
DmFileId_t CDataModel::RestoreFromFile( char const *pFileName, char const *pPathID, const char *pFormatHint, CDmElement **ppRoot, DmConflictResolution_t idConflictResolution /*= CR_DELETE_NEW*/, DmxHeader_t *pHeaderOut /*= NULL*/ )
|
|
{
|
|
// NOTE: This guarantees full path names for pathids
|
|
char pFullPath[ MAX_PATH ];
|
|
if ( !GenerateFullPath( pFileName, pPathID, pFullPath, sizeof( pFullPath ) ) )
|
|
{
|
|
Warning( "CDataModel: Unable to generate full path for file %s\n", pFileName );
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
char *pTemp = (char*)_alloca( DMX_MAX_HEADER_LENGTH + 1 );
|
|
CUtlBuffer typeBuf( pTemp, DMX_MAX_HEADER_LENGTH );
|
|
if ( !g_pFullFileSystem->ReadFile( pFullPath, pPathID, typeBuf, DMX_MAX_HEADER_LENGTH ) )
|
|
{
|
|
Warning( "CDataModel: Unable to open file %s\n", pFullPath );
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
DmxHeader_t _header;
|
|
DmxHeader_t *pHeader = pHeaderOut ? pHeaderOut : &_header;
|
|
bool bSuccess = ReadDMXHeader( typeBuf, pHeader );
|
|
if ( !bSuccess )
|
|
{
|
|
if ( !pFormatHint )
|
|
{
|
|
Warning( "CDataModel: Unable to determine DMX format for file %s\n", pFullPath );
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
if ( !IsValidNonDMXFormat( pFormatHint ) )
|
|
{
|
|
Warning( "CDataModel: Invalid DMX format hint '%s' for file %s\n", pFormatHint, pFullPath );
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
// non-dmx file importers don't have versions or encodings, just formats
|
|
V_strncpy( pHeader->encodingName, pFormatHint, sizeof( pHeader->encodingName ) );
|
|
V_strncpy( pHeader->formatName, pFormatHint, sizeof( pHeader->formatName ) );
|
|
}
|
|
|
|
bool bIsBinary = IsEncodingBinary( pHeader->encodingName );
|
|
CUtlStreamBuffer buf( pFullPath, pPathID, bIsBinary ? CUtlBuffer::READ_ONLY : CUtlBuffer::READ_ONLY | CUtlBuffer::TEXT_BUFFER );
|
|
if ( !buf.IsValid() )
|
|
{
|
|
Warning( "CDataModel: Unable to open file '%s'\n", pFullPath );
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
DmElementHandle_t hRootElement;
|
|
if ( !Unserialize( buf, pHeader->encodingName, pHeader->formatName, pFormatHint, pFullPath, idConflictResolution, hRootElement ) )
|
|
return DMFILEID_INVALID;
|
|
|
|
*ppRoot = g_pDataModel->GetElement( hRootElement );
|
|
|
|
DmFileId_t fileid = g_pDataModel->GetFileId( pFullPath );
|
|
Assert( fileid != DMFILEID_INVALID );
|
|
return fileid;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Serialization of a element tree into a utlbuffer
|
|
//-----------------------------------------------------------------------------
|
|
bool CDataModel::Serialize( CUtlBuffer &outBuf, const char *pEncodingName, const char *pFormatName, DmElementHandle_t hRoot )
|
|
{
|
|
// Find a serializer appropriate for the file format.
|
|
IDmSerializer *pSerializer = FindSerializer( pEncodingName );
|
|
if ( !pSerializer )
|
|
{
|
|
Warning("Serialize: File encoding '%s' is undefined!\n", pEncodingName );
|
|
return false;
|
|
}
|
|
|
|
// Ensure the utlbuffer is in the appropriate format (binary/text)
|
|
bool bIsText = outBuf.IsText();
|
|
bool bIsCRLF = outBuf.ContainsCRLF();
|
|
|
|
CUtlBuffer outTextBuffer( 0, 0, CUtlBuffer::TEXT_BUFFER );
|
|
CUtlBuffer *pActualOutBuf = &outBuf;
|
|
|
|
if ( pSerializer->IsBinaryFormat() )
|
|
{
|
|
if ( outBuf.IsText() )
|
|
{
|
|
if ( !outBuf.ContainsCRLF() )
|
|
{
|
|
Warning( "Serialize: Format %s expects to be written to a binary format, but the buffer is a text-format buffer\n", pFormatName );
|
|
return false;
|
|
}
|
|
outBuf.SetBufferType( false, false );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// If we want text, but the binbuf is binary; recast it to a text buffer w/ CRLF
|
|
if ( !outBuf.IsText() )
|
|
{
|
|
outBuf.SetBufferType( true, true );
|
|
}
|
|
|
|
if ( outBuf.ContainsCRLF() )
|
|
{
|
|
// If we want text, but the binbuf expects CRLF, then we must do a conversion pass
|
|
pActualOutBuf = &outTextBuffer;
|
|
}
|
|
}
|
|
|
|
if ( pSerializer->StoresVersionInFile() )
|
|
{
|
|
// Write the format name into the file using XML format so that
|
|
// 3rd-party XML readers can read the file without fail
|
|
|
|
pActualOutBuf->Printf( "%s encoding %s %d format %s %d %s\n",
|
|
DMX_VERSION_STARTING_TOKEN, pEncodingName, pSerializer->GetCurrentVersion(),
|
|
pFormatName, GetCurrentFormatVersion( pFormatName ), DMX_VERSION_ENDING_TOKEN );
|
|
}
|
|
|
|
// Now write the file using the appropriate format
|
|
CDmElement *pRoot = GetElement( hRoot );
|
|
bool bOk = pSerializer->Serialize( *pActualOutBuf, pRoot );
|
|
if ( bOk )
|
|
{
|
|
if ( pActualOutBuf == &outTextBuffer )
|
|
{
|
|
outTextBuffer.ConvertCRLF( outBuf );
|
|
}
|
|
}
|
|
|
|
outBuf.SetBufferType( bIsText, bIsCRLF );
|
|
return bOk;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Read the header, return the version (or false if it's not a DMX file)
|
|
//-----------------------------------------------------------------------------
|
|
bool CDataModel::ReadDMXHeader( CUtlBuffer &inBuf, DmxHeader_t *pHeader ) const
|
|
{
|
|
Assert( pHeader );
|
|
if ( !pHeader )
|
|
return false;
|
|
|
|
// Make the buffer capable of being read as text
|
|
bool bIsText = inBuf.IsText();
|
|
bool bHasCRLF = inBuf.ContainsCRLF();
|
|
inBuf.SetBufferType( true, !bIsText || bHasCRLF );
|
|
|
|
char headerStr[ DMX_MAX_HEADER_LENGTH ];
|
|
bool bOk = inBuf.ParseToken( DMX_VERSION_STARTING_TOKEN, DMX_VERSION_ENDING_TOKEN, headerStr, sizeof( headerStr ) );
|
|
if ( bOk )
|
|
{
|
|
#ifdef _WIN32
|
|
int nAssigned = sscanf_s( headerStr, "encoding %s %d format %s %d\n",
|
|
pHeader->encodingName, DMX_MAX_FORMAT_NAME_MAX_LENGTH, &( pHeader->nEncodingVersion ),
|
|
pHeader->formatName, DMX_MAX_FORMAT_NAME_MAX_LENGTH, &( pHeader->nFormatVersion ) );
|
|
#else
|
|
int nAssigned = sscanf( headerStr, "encoding %s %d format %s %d\n",
|
|
pHeader->encodingName, &( pHeader->nEncodingVersion ),
|
|
pHeader->formatName, &( pHeader->nFormatVersion ) );
|
|
#endif
|
|
bOk = nAssigned == 4;
|
|
}
|
|
|
|
if ( !bOk )
|
|
{
|
|
inBuf.SeekGet( CUtlBuffer::SEEK_HEAD, 0 );
|
|
bOk = inBuf.ParseToken( DMX_LEGACY_VERSION_STARTING_TOKEN, DMX_LEGACY_VERSION_ENDING_TOKEN, pHeader->formatName, DMX_MAX_FORMAT_NAME_MAX_LENGTH );
|
|
if ( bOk )
|
|
{
|
|
const char *pEncoding = GetEncodingFromLegacyFormat( pHeader->formatName );
|
|
if ( pEncoding )
|
|
{
|
|
V_strncpy( pHeader->encodingName, pEncoding, DMX_MAX_FORMAT_NAME_MAX_LENGTH );
|
|
pHeader->nEncodingVersion = 0; // the first encoding version
|
|
pHeader->nFormatVersion = -1; // this value is ignored for legacy formats
|
|
}
|
|
else
|
|
{
|
|
bOk = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
inBuf.SetBufferType( bIsText, bHasCRLF );
|
|
return bOk;
|
|
}
|
|
|
|
const char *CDataModel::GetEncodingFromLegacyFormat( const char *pLegacyFormatName ) const
|
|
{
|
|
if ( StringHasPrefixCaseSensitive( pLegacyFormatName, "binary_v" ) )
|
|
return "binary";
|
|
if ( StringHasPrefixCaseSensitive( pLegacyFormatName, "sfm_v" ) )
|
|
return "binary";
|
|
if ( StringHasPrefixCaseSensitive( pLegacyFormatName, "keyvalues2_v" ) )
|
|
return "keyvalues2";
|
|
if ( StringHasPrefixCaseSensitive( pLegacyFormatName, "keyvalues2_flat_v" ) )
|
|
return "keyvalues2_flat";
|
|
return NULL;
|
|
}
|
|
|
|
bool CDataModel::IsLegacyFormat( const char *pFormatName ) const
|
|
{
|
|
return GetEncodingFromLegacyFormat( pFormatName ) != NULL;
|
|
}
|
|
|
|
bool CDataModel::IsValidNonDMXFormat( const char *pFormatName ) const
|
|
{
|
|
IDmSerializer *pSerializer = FindSerializer( pFormatName );
|
|
return pSerializer && !pSerializer->StoresVersionInFile();
|
|
}
|
|
|
|
|
|
// used to skip auto-creation of child elements during unserialization
|
|
bool CDataModel::IsUnserializing()
|
|
{
|
|
return m_bIsUnserializing;
|
|
}
|
|
|
|
int CDataModel::GetCurrentFormatVersion( const char *pFormatName )
|
|
{
|
|
if ( IsValidNonDMXFormat( pFormatName ) )
|
|
return 0; // unversioned format
|
|
|
|
IDmFormatUpdater *pUpdater = FindFormatUpdater( pFormatName );
|
|
if ( !pUpdater )
|
|
return -1; // invalid version #
|
|
|
|
return pUpdater->GetCurrentVersion();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Unserializes, returns the root of the unserialized tree in ppRoot
|
|
//-----------------------------------------------------------------------------
|
|
bool CDataModel::Unserialize( CUtlBuffer &inBuf, const char *pEncodingName, const char *pSourceFormatName, const char *pFormatHint,
|
|
const char *pFileName, DmConflictResolution_t idConflictResolution, DmElementHandle_t &hRoot )
|
|
{
|
|
ClearUndo();
|
|
CDisableUndoScopeGuard sg;
|
|
|
|
Assert( pEncodingName && *pEncodingName );
|
|
if ( !pEncodingName || !*pEncodingName )
|
|
return false;
|
|
Assert( pSourceFormatName && *pSourceFormatName );
|
|
if ( !pSourceFormatName || !*pSourceFormatName )
|
|
return false;
|
|
|
|
// Find a serializer appropriate for the file format.
|
|
IDmSerializer *pSerializer = FindSerializer( pEncodingName );
|
|
if ( !pSerializer )
|
|
{
|
|
Warning( "Unerialize: DMX file encoding %s is undefined!\n", pEncodingName );
|
|
return false;
|
|
}
|
|
|
|
g_pMemAlloc->heapchk();
|
|
|
|
DmxHeader_t header;
|
|
bool bStoresVersionInFile = pSerializer->StoresVersionInFile();
|
|
bool bIsCurrentVersion = true; // for formats that don't store a format, files are currently always at the current version
|
|
if ( bStoresVersionInFile )
|
|
{
|
|
bool bOk = ReadDMXHeader( inBuf, &header );
|
|
if ( !bOk )
|
|
{
|
|
Warning( "Unserialize: unable to read DMX header!\n" );
|
|
return false;
|
|
}
|
|
|
|
if ( IsLegacyFormat( header.formatName ) )
|
|
{
|
|
if ( GetCurrentFormatVersion( GENERIC_DMX_FORMAT ) == 1 )
|
|
{
|
|
IDmLegacyUpdater *pLegacyUpdater = FindLegacyUpdater( header.formatName );
|
|
bIsCurrentVersion = !pLegacyUpdater || pLegacyUpdater->IsLatestVersion();
|
|
}
|
|
else
|
|
{
|
|
bIsCurrentVersion = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bIsCurrentVersion = GetCurrentFormatVersion( header.formatName ) == header.nFormatVersion;
|
|
}
|
|
}
|
|
|
|
// if we're not in dmxconvert, and we're not at the latest version, call dmxconvert and unserialize from the converted file
|
|
if ( !m_bOnlyCreateUntypedElements && !bIsCurrentVersion )
|
|
{
|
|
char path[ 256 ];
|
|
V_ExtractFilePath( pFileName, path, sizeof( path ) );
|
|
|
|
char tempFileName[ 256 ];
|
|
if ( !V_IsAbsolutePath( path ) )
|
|
{
|
|
g_pFullFileSystem->GetCurrentDirectory( path, sizeof( path ) );
|
|
}
|
|
|
|
V_ComposeFileName( path, "_temp_conversion_file_.dmx", tempFileName, sizeof( tempFileName ) );
|
|
V_RemoveDotSlashes( tempFileName );
|
|
|
|
const char *pDestEncodingName = "binary";
|
|
const char *pDestFormatName = IsLegacyFormat( header.formatName ) ? GENERIC_DMX_FORMAT : header.formatName;
|
|
char cmdline[ 256 ];
|
|
V_snprintf( cmdline, sizeof( cmdline ), "dmxconvert -allowdebug -i %s -o %s -oe %s -of %s", pFileName, tempFileName, pDestEncodingName, pDestFormatName );
|
|
|
|
ProcessHandle_t hProcess = PROCESS_HANDLE_INVALID;
|
|
if ( g_pProcessUtils )
|
|
{
|
|
hProcess = g_pProcessUtils->StartProcess( cmdline, false );
|
|
}
|
|
if ( hProcess == PROCESS_HANDLE_INVALID )
|
|
{
|
|
Warning( "Unserialize: Unable to run conversion process \"%s\"\n", cmdline );
|
|
return false;
|
|
}
|
|
|
|
g_pProcessUtils->WaitUntilProcessCompletes( hProcess );
|
|
g_pProcessUtils->CloseProcess( hProcess );
|
|
|
|
bool bSuccess;
|
|
{
|
|
CUtlStreamBuffer strbuf( tempFileName, NULL, CUtlBuffer::READ_ONLY );
|
|
if ( !strbuf.IsValid() )
|
|
{
|
|
Warning( "Unserialize: Unable to open temp file \"%s\"\n", tempFileName );
|
|
return false;
|
|
}
|
|
|
|
// yes, this passes in pFileName, even though it read from tempFileName - pFileName is only used for marking debug messages and setting fileid
|
|
bSuccess = Unserialize( strbuf, pDestEncodingName, pDestFormatName, pDestFormatName, pFileName, idConflictResolution, hRoot );
|
|
}
|
|
|
|
g_pFullFileSystem->RemoveFile( tempFileName );
|
|
return bSuccess;
|
|
}
|
|
|
|
// advance the buffer the the end of the header
|
|
if ( bStoresVersionInFile )
|
|
{
|
|
if ( V_strcmp( pEncodingName, header.encodingName ) != 0 )
|
|
return false;
|
|
if ( V_strcmp( pSourceFormatName, header.formatName ) != 0 )
|
|
return false;
|
|
|
|
if ( pSerializer->IsBinaryFormat() )
|
|
{
|
|
// For binary formats, we gotta keep reading until we hit the string terminator
|
|
// that occurred after the version line.
|
|
while( inBuf.GetChar() != 0 )
|
|
{
|
|
if ( !inBuf.IsValid() )
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
m_bIsUnserializing = true;
|
|
|
|
DmFileId_t fileid = FindOrCreateFileId( pFileName );
|
|
|
|
// Now read the file using the appropriate format
|
|
CDmElement *pRoot;
|
|
bool bOk = pSerializer->Unserialize( inBuf, pEncodingName, header.nEncodingVersion, pSourceFormatName, header.nFormatVersion,
|
|
fileid, idConflictResolution, &pRoot );
|
|
hRoot = pRoot ? pRoot->GetHandle() : DMELEMENT_HANDLE_INVALID;
|
|
|
|
SetFileFormat( fileid, pSourceFormatName );
|
|
SetFileRoot( fileid, hRoot );
|
|
|
|
m_bIsUnserializing = false;
|
|
return bOk;
|
|
}
|
|
|
|
bool CDataModel::UpdateUnserializedElements( const char *pSourceFormatName, int nSourceFormatVersion,
|
|
DmFileId_t fileid, DmConflictResolution_t idConflictResolution, CDmElement **ppRoot )
|
|
{
|
|
if ( IsLegacyFormat( pSourceFormatName ) )
|
|
{
|
|
IDmLegacyUpdater *pLegacyUpdater = FindLegacyUpdater( pSourceFormatName );
|
|
if ( pLegacyUpdater )
|
|
{
|
|
if ( !pLegacyUpdater->Update( ppRoot ) )
|
|
return false;
|
|
}
|
|
|
|
// if there's no legacy updater found, then this is already the latest legacy format
|
|
pSourceFormatName = GENERIC_DMX_FORMAT;
|
|
}
|
|
|
|
IDmFormatUpdater *pFormatUpdater = FindFormatUpdater( pSourceFormatName );
|
|
if ( !pFormatUpdater )
|
|
return false;
|
|
|
|
return pFormatUpdater->Update( ppRoot, nSourceFormatVersion );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// file id reference methods
|
|
//-----------------------------------------------------------------------------
|
|
|
|
int CDataModel::NumFileIds()
|
|
{
|
|
return m_openFiles.GetHandleCount();
|
|
}
|
|
|
|
DmFileId_t CDataModel::GetFileId( int i )
|
|
{
|
|
Assert( i >= 0 && i < ( int )m_openFiles.GetHandleCount() );
|
|
if ( i < 0 || i >= ( int )m_openFiles.GetHandleCount() )
|
|
return DMFILEID_INVALID;
|
|
|
|
return ( DmFileId_t )m_openFiles.GetHandleFromIndex( i );
|
|
}
|
|
|
|
DmFileId_t CDataModel::FindOrCreateFileId( const char *pFilename )
|
|
{
|
|
Assert( pFilename && *pFilename );
|
|
if ( !pFilename || !*pFilename )
|
|
return DMFILEID_INVALID;
|
|
|
|
DmFileId_t fileid = GetFileId( pFilename );
|
|
if ( fileid != DMFILEID_INVALID )
|
|
{
|
|
// Assert( IsFileLoaded( fileid ) );
|
|
MarkFileLoaded( fileid ); // this is sort of a hack, but I'm planning a rewrite phase on all this anyways - joe
|
|
return fileid;
|
|
}
|
|
|
|
fileid = ( DmFileId_t )m_openFiles.AddHandle();
|
|
m_openFiles.SetHandle( fileid, new FileElementSet_t( GetSymbol( pFilename ) ) );
|
|
return fileid;
|
|
}
|
|
|
|
void CDataModel::RemoveFileId( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || fileid == DMFILEID_INVALID );
|
|
if ( !fes )
|
|
return;
|
|
|
|
if ( fes->m_bLoaded )
|
|
{
|
|
UnloadFile( fileid, true );
|
|
}
|
|
delete fes;
|
|
|
|
m_openFiles.RemoveHandle( fileid );
|
|
}
|
|
|
|
DmFileId_t CDataModel::GetFileId( const char *pFilename )
|
|
{
|
|
UtlSymId_t filenameSym = GetSymbol( pFilename );
|
|
|
|
int nFiles = m_openFiles.GetHandleCount();
|
|
for ( int i = 0; i < nFiles; ++i )
|
|
{
|
|
DmFileId_t fileid = ( DmFileId_t )m_openFiles.GetHandleFromIndex( i );
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || !m_openFiles.IsHandleValid( fileid ) );
|
|
if ( fes && fes->m_filename == filenameSym )
|
|
return fileid;
|
|
}
|
|
|
|
return DMFILEID_INVALID;
|
|
}
|
|
|
|
const char *CDataModel::GetFileName( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || fileid == DMFILEID_INVALID );
|
|
return fes ? GetString( fes->m_filename ) : NULL;
|
|
}
|
|
|
|
void CDataModel::SetFileName( DmFileId_t fileid, const char *pFileName )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
fes->m_filename = GetSymbol( pFileName );
|
|
}
|
|
|
|
const char *CDataModel::GetFileFormat( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || fileid == DMFILEID_INVALID );
|
|
return fes ? GetString( fes->m_format ) : NULL;
|
|
}
|
|
|
|
void CDataModel::SetFileFormat( DmFileId_t fileid, const char *pFormat )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
fes->m_format = GetSymbol( pFormat );
|
|
}
|
|
|
|
DmElementHandle_t CDataModel::GetFileRoot( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || fileid == DMFILEID_INVALID );
|
|
return fes ? (DmElementHandle_t)fes->m_hRoot : DMELEMENT_HANDLE_INVALID;
|
|
}
|
|
|
|
void CDataModel::SetFileRoot( DmFileId_t fileid, DmElementHandle_t hRoot )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
if ( fes->m_hRoot == hRoot )
|
|
return;
|
|
|
|
fes->m_hRoot = hRoot;
|
|
}
|
|
|
|
bool CDataModel::IsFileLoaded( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes || fileid == DMFILEID_INVALID );
|
|
return fes ? fes->m_bLoaded : false;
|
|
}
|
|
|
|
void CDataModel::UnloadFile( DmFileId_t fileid, bool bDeleteElements )
|
|
{
|
|
ClearUndo();
|
|
CDisableUndoScopeGuard sg;
|
|
|
|
int nHandles = ( int )m_Handles.GetHandleCount();
|
|
for ( int i = 0; i < nHandles; ++i )
|
|
{
|
|
DmElementHandle_t hElement = ( DmElementHandle_t )m_Handles.GetHandleFromIndex( i );
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
continue;
|
|
|
|
CDmElement *pElement = GetElement( hElement );
|
|
if ( !pElement || pElement->GetFileId() != fileid )
|
|
continue;
|
|
|
|
DeleteElement( hElement, bDeleteElements ? HR_ALWAYS : HR_IF_NOT_REFERENCED );
|
|
}
|
|
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
if ( fes )
|
|
{
|
|
fes->m_bLoaded = false;
|
|
}
|
|
}
|
|
|
|
void CDataModel::UnloadFile( DmFileId_t fileid )
|
|
{
|
|
UnloadFile( fileid, false );
|
|
}
|
|
|
|
void CDataModel::MarkFileLoaded( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
fes->m_bLoaded = true;
|
|
}
|
|
|
|
int CDataModel::NumElementsInFile( DmFileId_t fileid )
|
|
{
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return 0;
|
|
|
|
return fes->m_nElements;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// file id reference methods not in IDataModel
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::RemoveElementFromFile( DmElementHandle_t hElement, DmFileId_t fileid )
|
|
{
|
|
if ( fileid == DMFILEID_INVALID )
|
|
return;
|
|
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
--fes->m_nElements;
|
|
}
|
|
|
|
void CDataModel::AddElementToFile( DmElementHandle_t hElement, DmFileId_t fileid )
|
|
{
|
|
if ( fileid == DMFILEID_INVALID )
|
|
return;
|
|
|
|
FileElementSet_t *fes = m_openFiles.GetHandle( fileid );
|
|
Assert( fes );
|
|
if ( !fes )
|
|
return;
|
|
|
|
++fes->m_nElements;
|
|
}
|
|
|
|
// search id->handle table (both loaded and unloaded) for id, and if not found, create a new handle, map it to the id and return it
|
|
DmElementHandle_t CDataModel::FindOrCreateElementHandle( const DmObjectId_t &id )
|
|
{
|
|
UtlHashHandle_t h = m_elementIds.Find( id );
|
|
if ( h != m_elementIds.InvalidHandle() )
|
|
return m_elementIds[ h ];
|
|
|
|
h = m_unloadedIdElementMap.Find( ElementIdHandlePair_t( id ) ); // TODO - consider optimizing find to take just an id
|
|
if ( h != m_unloadedIdElementMap.InvalidHandle() )
|
|
return m_unloadedIdElementMap[ h ].m_ref.m_hElement;
|
|
|
|
DmElementHandle_t hElement = AcquireElementHandle();
|
|
m_unloadedIdElementMap.Insert( ElementIdHandlePair_t( id, DmElementReference_t( hElement ) ) );
|
|
MarkHandleInvalid( hElement );
|
|
return hElement;
|
|
}
|
|
|
|
// changes an element's id and associated mappings - generally during unserialization
|
|
DmElementHandle_t CDataModel::ChangeElementId( DmElementHandle_t hElement, const DmObjectId_t &oldId, const DmObjectId_t &newId )
|
|
{
|
|
UtlHashHandle_t oldHash = m_elementIds.Find( oldId );
|
|
Assert( oldHash != m_elementIds.InvalidHandle() );
|
|
if ( oldHash == m_elementIds.InvalidHandle() )
|
|
return hElement;
|
|
|
|
Assert( m_elementIds[ oldHash ] == hElement );
|
|
|
|
// can't change an element's id once it has attributes or handles linked to it
|
|
CDmElement *pElement = GetElement( hElement );
|
|
Assert( pElement );
|
|
if ( !pElement )
|
|
return DMELEMENT_HANDLE_INVALID;
|
|
|
|
Assert( !CDmeElementAccessor::GetReference( pElement )->IsWeaklyReferenced() );
|
|
|
|
UtlHashHandle_t newHash = m_elementIds.Find( newId );
|
|
if ( newHash != m_elementIds.InvalidHandle() )
|
|
return DMELEMENT_HANDLE_INVALID; // can't change an element's id to the id of an existing element
|
|
|
|
// remove old element entry
|
|
m_elementIds.Remove( oldHash );
|
|
|
|
// change the element id
|
|
CDmeElementAccessor::SetId( pElement, newId );
|
|
|
|
newHash = m_unloadedIdElementMap.Find( ElementIdHandlePair_t( newId ) );
|
|
if ( newHash == m_unloadedIdElementMap.InvalidHandle() )
|
|
{
|
|
// the newId has never been seen before - keep the element handle the same and rehash into the id->handle map
|
|
m_elementIds.Insert( hElement );
|
|
return hElement;
|
|
}
|
|
|
|
// else, the newId is being referenced by some other element
|
|
// change element to use newId and the associated handle from an element reference
|
|
|
|
DmElementReference_t &newRef = m_unloadedIdElementMap[ newHash ].m_ref;
|
|
DmElementHandle_t newHandle = newRef.m_hElement;
|
|
Assert( newHandle != hElement ); // no two ids should have the same handle
|
|
Assert( !m_Handles.IsHandleValid( newHandle ) ); // unloaded elements shouldn't have valid handles
|
|
|
|
m_Handles.SetHandle( newHandle, GetElement( hElement ) );
|
|
CDmeElementAccessor::ChangeHandle( pElement, newHandle );
|
|
CDmeElementAccessor::SetReference( pElement, newRef );
|
|
ReleaseElementHandle( hElement );
|
|
|
|
// move new element entry from the unloaded map to the loaded map
|
|
m_elementIds.Insert( newHandle );
|
|
m_unloadedIdElementMap.Remove( newHash );
|
|
|
|
return newHandle;
|
|
}
|
|
|
|
DmElementReference_t *CDataModel::FindElementReference( DmElementHandle_t hElement, DmObjectId_t **ppId /* = NULL */ )
|
|
{
|
|
if ( ppId )
|
|
{
|
|
*ppId = NULL;
|
|
}
|
|
|
|
CDmElement* pElement = GetElement( hElement );
|
|
if ( pElement )
|
|
return CDmeElementAccessor::GetReference( pElement );
|
|
|
|
for ( UtlHashHandle_t h = m_unloadedIdElementMap.GetFirstHandle(); h != m_unloadedIdElementMap.InvalidHandle(); h = m_unloadedIdElementMap.GetNextHandle( h ) )
|
|
{
|
|
DmElementReference_t &ref = m_unloadedIdElementMap[ h ].m_ref;
|
|
if ( ref.m_hElement == hElement )
|
|
{
|
|
if ( ppId )
|
|
{
|
|
*ppId = &m_unloadedIdElementMap[ h ].m_id;
|
|
}
|
|
return &ref;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void CDataModel::DontAutoDelete( DmElementHandle_t hElement )
|
|
{
|
|
// this artificially adds a strong reference to the element, so it won't ever get unref'ed to 0
|
|
// the only ways for this element to go away are explicit deletion, or file unload
|
|
OnElementReferenceAdded( hElement, true );
|
|
}
|
|
|
|
void CDataModel::OnElementReferenceAdded( DmElementHandle_t hElement, CDmAttribute *pAttribute )
|
|
{
|
|
Assert( pAttribute );
|
|
if ( !pAttribute )
|
|
return;
|
|
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
DmObjectId_t *pId;
|
|
DmElementReference_t *pRef = FindElementReference( hElement, &pId );
|
|
if ( !pRef )
|
|
return;
|
|
|
|
// Msg( "OnElementReferenceAdded: %s 0x%x '%s' referenced by 0x%x '%s'\n",
|
|
// GetString( GetElementType( hElement ) ), hElement, GetElementName( hElement ),
|
|
// pAttribute->GetOwner()->GetHandle(), pAttribute->GetName() );
|
|
|
|
pRef->AddAttribute( pAttribute );
|
|
}
|
|
|
|
void CDataModel::OnElementReferenceAdded( DmElementHandle_t hElement, bool bRefCount )
|
|
{
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
DmObjectId_t *pId;
|
|
DmElementReference_t *pRef = FindElementReference( hElement, &pId );
|
|
if ( !pRef )
|
|
return;
|
|
|
|
// Msg( "OnElementReferenceAdded: %s 0x%x \"%s\" referenced by %s handle\n",
|
|
// GetString( GetElementType( hElement ) ), hElement, GetElementName( hElement ),
|
|
// bRefCount ? "refcounted" : "weak" );
|
|
|
|
if ( bRefCount )
|
|
{
|
|
++pRef->m_nStrongHandleCount;
|
|
}
|
|
else
|
|
{
|
|
++pRef->m_nWeakHandleCount;
|
|
}
|
|
}
|
|
|
|
void CDataModel::OnElementReferenceRemoved( DmElementHandle_t hElement, CDmAttribute *pAttribute )
|
|
{
|
|
MEM_ALLOC_CREDIT();
|
|
|
|
Assert( pAttribute );
|
|
if ( !pAttribute )
|
|
return;
|
|
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
DmObjectId_t *pId;
|
|
DmElementReference_t *pRef = FindElementReference( hElement, &pId );
|
|
if ( !pRef )
|
|
return;
|
|
|
|
// Msg( "OnElementReferenceRemoved: %s 0x%x '%s' referenced by 0x%x '%s'\n",
|
|
// GetString( GetElementType( hElement ) ), hElement, GetElementName( hElement ),
|
|
// pAttribute->GetOwner()->GetHandle(), pAttribute->GetName() );
|
|
|
|
pRef->RemoveAttribute( pAttribute );
|
|
|
|
if ( !pRef->IsStronglyReferenced() )
|
|
{
|
|
if ( pId )
|
|
{
|
|
if ( !pRef->IsWeaklyReferenced() )
|
|
{
|
|
int i = m_unreferencedElementIds.AddToTail();
|
|
CopyUniqueId( *pId, &m_unreferencedElementIds[ i ] );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Assert( GetElement( hElement ) );
|
|
m_unreferencedElementHandles.AddToTail( hElement );
|
|
}
|
|
|
|
// Msg( " - marked as unreferenced!\n");
|
|
}
|
|
}
|
|
|
|
void CDataModel::OnElementReferenceRemoved( DmElementHandle_t hElement, bool bRefCount )
|
|
{
|
|
MEM_ALLOC_CREDIT();
|
|
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
DmObjectId_t *pId;
|
|
DmElementReference_t *pRef = FindElementReference( hElement, &pId );
|
|
if ( !pRef )
|
|
return;
|
|
|
|
// Msg( "OnElementReferenceRemoved: %s 0x%x \"%s\" referenced by %s handle\n",
|
|
// GetString( GetElementType( hElement ) ), hElement, GetElementName( hElement ),
|
|
// bRefCount ? "refcounted" : "weak" );
|
|
|
|
if ( bRefCount )
|
|
{
|
|
--pRef->m_nStrongHandleCount;
|
|
}
|
|
else
|
|
{
|
|
--pRef->m_nWeakHandleCount;
|
|
}
|
|
|
|
if ( !pRef->IsStronglyReferenced() )
|
|
{
|
|
if ( pId )
|
|
{
|
|
if ( !pRef->IsWeaklyReferenced() )
|
|
{
|
|
int i = m_unreferencedElementIds.AddToTail();
|
|
CopyUniqueId( *pId, &m_unreferencedElementIds[ i ] );
|
|
}
|
|
}
|
|
else if ( bRefCount )
|
|
{
|
|
// only unref elements if strong reference changing
|
|
// this prevents [creation, weak ref, weak unref] from deleting element
|
|
Assert( GetElement( hElement ) );
|
|
m_unreferencedElementHandles.AddToTail( hElement );
|
|
}
|
|
|
|
// Msg( " - marked as unreferenced!\n");
|
|
}
|
|
}
|
|
|
|
void CDataModel::RemoveUnreferencedElements()
|
|
{
|
|
CDisableUndoScopeGuard sg;
|
|
|
|
int nElementIds = m_unreferencedElementIds.Count();
|
|
for ( int i = 0; i < nElementIds; ++i )
|
|
{
|
|
UtlHashHandle_t h = m_unloadedIdElementMap.Find( ElementIdHandlePair_t( m_unreferencedElementIds[ i ] ) );
|
|
if ( h == m_unloadedIdElementMap.InvalidHandle() )
|
|
continue;
|
|
|
|
if ( m_unloadedIdElementMap[ h ].m_ref.IsWeaklyReferenced() )
|
|
continue; // don't remove if it's been referenced again - this allows an unref followed by a ref in the same edit phase
|
|
|
|
// Msg( "Removing reference: 0x%x\n", m_unloadedIdElementMap[ h ].m_ref.m_hElement );
|
|
|
|
m_unloadedIdElementMap.Remove( h );
|
|
}
|
|
m_unreferencedElementIds.RemoveAll();
|
|
|
|
// this is intentionally calling Count() every time through, since DestroyElement may cause more elements to be added to the list
|
|
for ( int i = 0; i < m_unreferencedElementHandles.Count(); ++i )
|
|
{
|
|
DmElementHandle_t hElement = m_unreferencedElementHandles[ i ];
|
|
|
|
CDmElement *pElement = GetElement( hElement );
|
|
// Assert( pElement );
|
|
if ( !pElement )
|
|
continue;
|
|
|
|
// Msg( "%s '%s' %08x unref'ed to 0\n", pElement->GetTypeString(), pElement->GetName(), pElement->GetHandle() );
|
|
|
|
if ( CDmeElementAccessor::GetReference( pElement )->IsStronglyReferenced() )
|
|
continue;
|
|
|
|
// Msg( " -deleted\n" );
|
|
|
|
DeleteElement( hElement );
|
|
}
|
|
m_unreferencedElementHandles.RemoveAll();
|
|
|
|
if ( m_bDeleteOrphanedElements )
|
|
{
|
|
m_bDeleteOrphanedElements = false;
|
|
FindAndDeleteOrphanedElements();
|
|
}
|
|
}
|
|
|
|
void CDataModel::FindAndDeleteOrphanedElements()
|
|
{
|
|
#if 1 // this appears to be faster, and is fully implemented
|
|
// mark & sweep algorithm for elements
|
|
|
|
// clear accessible flag from all elements
|
|
for ( DmElementHandle_t hElement = FirstAllocatedElement(); hElement != DMELEMENT_HANDLE_INVALID; hElement = NextAllocatedElement( hElement ) )
|
|
{
|
|
CDmElement *pElement = GetElement( hElement );
|
|
if ( !pElement )
|
|
continue;
|
|
|
|
DmFileId_t fileid = pElement->GetFileId();
|
|
if ( fileid == DMFILEID_INVALID )
|
|
continue;
|
|
|
|
pElement->MarkAccessible( false );
|
|
}
|
|
|
|
// mark elements accessible from file roots
|
|
int nFiles = NumFileIds();
|
|
for ( int i = 0; i < nFiles; ++i )
|
|
{
|
|
DmFileId_t fileid = GetFileId( i );
|
|
if ( fileid == DMFILEID_INVALID )
|
|
continue;
|
|
|
|
DmElementHandle_t hRoot = GetFileRoot( fileid );
|
|
CDmElement *pRoot = GetElement( hRoot );
|
|
if ( !pRoot )
|
|
continue;
|
|
|
|
pRoot->MarkAccessible( TD_ALL );
|
|
}
|
|
|
|
// mark elements accessible from counted handles
|
|
for ( DmElementHandle_t hElement = FirstAllocatedElement(); hElement != DMELEMENT_HANDLE_INVALID; hElement = NextAllocatedElement( hElement ) )
|
|
{
|
|
CDmElement *pElement = GetElement( hElement );
|
|
if ( !pElement )
|
|
continue;
|
|
|
|
DmFileId_t fileid = pElement->GetFileId();
|
|
if ( fileid == DMFILEID_INVALID )
|
|
continue;
|
|
|
|
if ( CDmeElementAccessor::GetReference( pElement )->m_nStrongHandleCount == 0 )
|
|
continue;
|
|
|
|
pElement->MarkAccessible( TD_ALL );
|
|
}
|
|
|
|
// delete elements that aren't accessible
|
|
for ( DmElementHandle_t hElement = FirstAllocatedElement(); hElement != DMELEMENT_HANDLE_INVALID; hElement = NextAllocatedElement( hElement ) )
|
|
{
|
|
CDmElement *pElement = GetElement( hElement );
|
|
if ( !pElement )
|
|
continue;
|
|
|
|
DmFileId_t fileid = pElement->GetFileId();
|
|
if ( fileid == DMFILEID_INVALID )
|
|
continue;
|
|
|
|
if ( pElement->IsAccessible() )
|
|
continue;
|
|
|
|
DeleteElement( hElement );
|
|
}
|
|
#else
|
|
// root finding algorithm on elements
|
|
|
|
// JDTODO - this incorrectly deletes elements that are referenced by a counted handle, but aren't under the file root
|
|
|
|
CUtlVector< ElementPathItem_t > path;
|
|
for ( DmElementHandle_t hElement = FirstAllocatedElement(); hElement != DMELEMENT_HANDLE_INVALID; hElement = NextAllocatedElement( hElement ) )
|
|
{
|
|
CDmElement *pElement = GetElement( hElement );
|
|
if ( !pElement )
|
|
continue;
|
|
|
|
DmFileId_t fileid = pElement->GetFileId();
|
|
if ( fileid == DMFILEID_INVALID )
|
|
continue;
|
|
|
|
DmElementHandle_t hRoot = GetFileRoot( fileid );
|
|
|
|
path.RemoveAll();
|
|
if ( hRoot == hElement || pElement->FindReferer( hRoot, path, TD_ALL ) )
|
|
continue;
|
|
|
|
DeleteElement( hElement );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
DmElementHandle_t CDataModel::FindElement( const DmObjectId_t &id )
|
|
{
|
|
UtlHashHandle_t h = m_elementIds.Find( id );
|
|
if ( h == m_elementIds.InvalidHandle() )
|
|
return DMELEMENT_HANDLE_INVALID;
|
|
|
|
return m_elementIds[ h ];
|
|
}
|
|
|
|
|
|
DmAttributeReferenceIterator_t CDataModel::FirstAttributeReferencingElement( DmElementHandle_t hElement )
|
|
{
|
|
DmElementReference_t *pRef = FindElementReference( hElement );
|
|
if ( !pRef || pRef->m_attributes.m_hAttribute == DMATTRIBUTE_HANDLE_INVALID )
|
|
return DMATTRIBUTE_REFERENCE_ITERATOR_INVALID;
|
|
|
|
return ( DmAttributeReferenceIterator_t )( int )&pRef->m_attributes;
|
|
}
|
|
|
|
DmAttributeReferenceIterator_t CDataModel::NextAttributeReferencingElement( DmAttributeReferenceIterator_t hAttrIter )
|
|
{
|
|
DmAttributeList_t *pList = ( DmAttributeList_t* )hAttrIter;
|
|
if ( !pList )
|
|
return DMATTRIBUTE_REFERENCE_ITERATOR_INVALID;
|
|
|
|
return ( DmAttributeReferenceIterator_t )( int )pList->m_pNext;
|
|
}
|
|
|
|
CDmAttribute *CDataModel::GetAttribute( DmAttributeReferenceIterator_t hAttrIter )
|
|
{
|
|
DmAttributeList_t *pList = ( DmAttributeList_t* )hAttrIter;
|
|
if ( !pList )
|
|
return NULL;
|
|
|
|
return GetAttribute( pList->m_hAttribute );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : buf -
|
|
// Output : IDmElementInternal
|
|
//-----------------------------------------------------------------------------
|
|
CDmElement *CDataModel::Unserialize( CUtlBuffer& buf )
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *element -
|
|
// buf -
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::Serialize( CDmElement *element, CUtlBuffer& buf )
|
|
{
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Sets a factory to use if the element type can't be found
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::SetDefaultElementFactory( IDmElementFactory *pFactory )
|
|
{
|
|
if ( m_bUnableToSetDefaultFactory )
|
|
{
|
|
Assert( 0 );
|
|
return;
|
|
}
|
|
|
|
m_pDefaultFactory = pFactory ? pFactory : &s_DefaultElementFactory;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *elementName -
|
|
// factory -
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::AddElementFactory( const char *pClassName, IDmElementFactory *pFactory )
|
|
{
|
|
Assert( pClassName && pFactory );
|
|
int idx = m_Factories.Find( pClassName );
|
|
if ( idx == m_Factories.InvalidIndex() )
|
|
{
|
|
m_Factories.Insert( pClassName, pFactory );
|
|
}
|
|
else
|
|
{
|
|
// Override the factory?
|
|
m_Factories[idx] = pFactory;
|
|
Warning( "Factory for element type '%s' already exists\n", pClassName );
|
|
}
|
|
}
|
|
|
|
bool CDataModel::HasElementFactory( const char *pElementType ) const
|
|
{
|
|
int idx = m_Factories.Find( pElementType );
|
|
return ( idx != m_Factories.InvalidIndex() );
|
|
}
|
|
|
|
int CDataModel::GetFirstFactory() const
|
|
{
|
|
return m_Factories.First();
|
|
}
|
|
|
|
int CDataModel::GetNextFactory( int index ) const
|
|
{
|
|
return m_Factories.Next( index );
|
|
}
|
|
|
|
bool CDataModel::IsValidFactory( int index ) const
|
|
{
|
|
return m_Factories.IsValidIndex( index );
|
|
}
|
|
|
|
char const *CDataModel::GetFactoryName( int index ) const
|
|
{
|
|
return m_Factories.GetElementName( index );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Creates a scene object
|
|
//-----------------------------------------------------------------------------
|
|
DmElementHandle_t CDataModel::CreateElement( UtlSymId_t typeSymbol, const char *pElementName, DmFileId_t fileid, const DmObjectId_t *pObjectID )
|
|
{
|
|
return CreateElement( GetString( typeSymbol ), pElementName, fileid, pObjectID );
|
|
}
|
|
|
|
DmElementHandle_t CDataModel::CreateElement( const char *pElementType, const char *pElementName, DmFileId_t fileid, const DmObjectId_t *pObjectID )
|
|
{
|
|
Assert( !pObjectID || m_elementIds.Find( *pObjectID ) == m_elementIds.InvalidHandle() );
|
|
|
|
UtlHashHandle_t h = pObjectID ? m_unloadedIdElementMap.Find( ElementIdHandlePair_t( *pObjectID ) ) : m_unloadedIdElementMap.InvalidHandle();
|
|
if ( h != m_unloadedIdElementMap.InvalidHandle() )
|
|
{
|
|
CDmElement *pElement = CreateElement( m_unloadedIdElementMap[ h ].m_ref, pElementType, pElementName, fileid, pObjectID );
|
|
if ( pElement )
|
|
{
|
|
m_unloadedIdElementMap.Remove( h );
|
|
return pElement->GetHandle();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DmElementHandle_t hElement = AcquireElementHandle();
|
|
CDmElement *pElement = CreateElement( DmElementReference_t( hElement ), pElementType, pElementName, fileid, pObjectID );
|
|
if ( pElement )
|
|
return pElement->GetHandle();
|
|
|
|
ReleaseElementHandle( hElement );
|
|
}
|
|
|
|
return DMELEMENT_HANDLE_INVALID;
|
|
}
|
|
|
|
class CUndoCreateElement : public CUndoElement
|
|
{
|
|
typedef CUndoElement BaseClass;
|
|
public:
|
|
CUndoCreateElement() :
|
|
BaseClass( "CUndoCreateElement" ),
|
|
m_bKill( false ),
|
|
m_hElement()
|
|
{
|
|
}
|
|
|
|
~CUndoCreateElement()
|
|
{
|
|
if ( m_bKill )
|
|
{
|
|
g_pDataModelImp->MarkHandleValid( m_hElement );
|
|
g_pDataModelImp->DeleteElement( m_hElement );
|
|
}
|
|
}
|
|
|
|
void SetElement( DmElementHandle_t hElement )
|
|
{
|
|
Assert( GetElement<CDmElement>( hElement ) && GetElement<CDmElement>( hElement )->GetFileId() != DMFILEID_INVALID );
|
|
m_hElement = hElement; // this has to be delayed so that the element's ref count can be incremented
|
|
}
|
|
|
|
virtual void Undo()
|
|
{
|
|
m_bKill = true;
|
|
g_pDataModelImp->MarkHandleInvalid( m_hElement );
|
|
}
|
|
|
|
virtual void Redo()
|
|
{
|
|
m_bKill = false;
|
|
g_pDataModelImp->MarkHandleValid( m_hElement );
|
|
}
|
|
|
|
private:
|
|
CDmeCountedHandle m_hElement;
|
|
bool m_bKill;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// CreateElement references the attribute list passed in via ref, so don't edit or purge ref's attribute list afterwards
|
|
// this is kosher because the ref either is created on the fly and has no attributes, or is being removed from m_unloadedIdElementMap
|
|
//-----------------------------------------------------------------------------
|
|
CDmElement* CDataModel::CreateElement( const DmElementReference_t &ref, const char *pElementType, const char *pElementName, DmFileId_t fileid, const DmObjectId_t *pObjectID )
|
|
{
|
|
// Msg( "Creating %s 0x%x '%s' in file \"%s\" - %d elements loaded\n", pElementType, ref.m_hElement, pElementName ? pElementName : "", GetFileName( fileid ), m_elementIds.Count() );
|
|
|
|
MEM_ALLOC_CREDIT();
|
|
|
|
DmPhase_t phase = g_pDmElementFramework->GetPhase();
|
|
if ( phase != PH_EDIT )
|
|
{
|
|
Assert( 0 );
|
|
return NULL;
|
|
}
|
|
|
|
// Create a new id if we weren't given one to use
|
|
DmObjectId_t newId;
|
|
if ( !pObjectID )
|
|
{
|
|
CreateUniqueId( &newId );
|
|
pObjectID = &newId;
|
|
}
|
|
|
|
if ( !pElementName )
|
|
{
|
|
pElementName = UNNAMED_ELEMENT_NAME;
|
|
}
|
|
|
|
IDmElementFactory *pFactory = NULL;
|
|
if ( m_bOnlyCreateUntypedElements )
|
|
{
|
|
// As soon as we create something from the default factory,
|
|
// we can no longer change the default factory
|
|
m_bUnableToSetDefaultFactory = true;
|
|
|
|
pFactory = m_pDefaultFactory;
|
|
}
|
|
else
|
|
{
|
|
int idx = m_Factories.Find( pElementType );
|
|
if ( idx == m_Factories.InvalidIndex() )
|
|
{
|
|
Warning( "Unable to create unknown element %s!\n", pElementType );
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
m_bUnableToCreateOnlyUntypedElements = true;
|
|
pFactory = m_Factories[ idx ];
|
|
}
|
|
}
|
|
Assert( pFactory );
|
|
|
|
// Create an undo element
|
|
CUndoCreateElement *pUndo = NULL;
|
|
if ( g_pDataModel->IsUndoEnabled() && fileid != DMFILEID_INVALID ) // elements not in any file don't participate in undo
|
|
{
|
|
pUndo = new CUndoCreateElement();
|
|
g_pDataModel->AddUndoElement( pUndo );
|
|
}
|
|
|
|
CDisableUndoScopeGuard sg;
|
|
|
|
CDmElement *pElement = pFactory->Create( ref.m_hElement, pElementType, pElementName, fileid, *pObjectID );
|
|
if ( pElement )
|
|
{
|
|
++m_nElementsAllocatedSoFar;
|
|
m_nMaxNumberOfElements = max( m_nMaxNumberOfElements, GetAllocatedElementCount() );
|
|
|
|
CDmeElementAccessor::SetReference( pElement, ref );
|
|
m_Handles.SetHandle( ref.m_hElement, pElement );
|
|
m_elementIds.Insert( ref.m_hElement );
|
|
CDmeElementAccessor::PerformConstruction( pElement );
|
|
|
|
if ( pUndo )
|
|
{
|
|
pUndo->SetElement( ref.m_hElement );
|
|
}
|
|
|
|
NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
|
|
|
|
#ifdef _ELEMENT_HISTOGRAM_
|
|
UtlSymId_t typeSym = GetSymbol( pElementType );
|
|
short i = g_typeHistogram.Find( typeSym );
|
|
if ( g_typeHistogram.IsValidIndex( i ) )
|
|
{
|
|
++g_typeHistogram[ i ];
|
|
}
|
|
else
|
|
{
|
|
g_typeHistogram.Insert( typeSym, 1 );
|
|
}
|
|
#endif _ELEMENT_HISTOGRAM_
|
|
}
|
|
|
|
return pElement;
|
|
}
|
|
|
|
|
|
class CUndoDestroyElement : public CUndoElement
|
|
{
|
|
typedef CUndoElement BaseClass;
|
|
public:
|
|
CUndoDestroyElement( DmElementHandle_t hElement ) :
|
|
BaseClass( "CUndoDestroyElement" ),
|
|
m_bKill( true ),
|
|
m_hElement( hElement )
|
|
{
|
|
Assert( GetElement<CDmElement>( hElement ) && GetElement<CDmElement>( hElement )->GetFileId() != DMFILEID_INVALID );
|
|
g_pDataModelImp->MarkHandleInvalid( m_hElement );
|
|
}
|
|
|
|
~CUndoDestroyElement()
|
|
{
|
|
if ( m_bKill )
|
|
{
|
|
g_pDataModelImp->MarkHandleValid( m_hElement );
|
|
g_pDataModelImp->DeleteElement( m_hElement );
|
|
}
|
|
}
|
|
|
|
virtual void Undo()
|
|
{
|
|
m_bKill = false;
|
|
g_pDataModelImp->MarkHandleValid( m_hElement );
|
|
}
|
|
|
|
virtual void Redo()
|
|
{
|
|
m_bKill = true;
|
|
g_pDataModelImp->MarkHandleInvalid( m_hElement );
|
|
}
|
|
|
|
private:
|
|
CDmeCountedHandle m_hElement;
|
|
bool m_bKill;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Destroys a scene object
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::DestroyElement( DmElementHandle_t hElement )
|
|
{
|
|
DmPhase_t phase = g_pDmElementFramework->GetPhase();
|
|
if ( phase != PH_EDIT && phase != PH_EDIT_APPLY ) // need to allow edit_apply to delete elements, so that cascading deletes can occur in one phase
|
|
{
|
|
Assert( 0 );
|
|
return;
|
|
}
|
|
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
CDmElement *pElement = m_Handles.GetHandle( hElement );
|
|
if ( pElement == NULL )
|
|
return;
|
|
|
|
// Create an undo element
|
|
if ( UndoEnabledForElement( GetElement( hElement ) ) )
|
|
{
|
|
CUndoDestroyElement *pUndo = new CUndoDestroyElement( hElement );
|
|
g_pDataModel->AddUndoElement( pUndo );
|
|
NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
|
|
return; // if undo is enabled, just toss this onto the undo stack, rather than actually destroying it
|
|
}
|
|
|
|
DeleteElement( hElement );
|
|
}
|
|
|
|
void CDataModel::DeleteElement( DmElementHandle_t hElement, DmHandleReleasePolicy hrp /* = HR_ALWAYS */ )
|
|
{
|
|
DmPhase_t phase = g_pDmElementFramework->GetPhase();
|
|
if ( phase != PH_EDIT && phase != PH_EDIT_APPLY)
|
|
{
|
|
Assert( 0 );
|
|
return;
|
|
}
|
|
|
|
if ( hElement == DMELEMENT_HANDLE_INVALID )
|
|
return;
|
|
|
|
CDmElement *pElement = m_Handles.GetHandle( hElement );
|
|
if ( pElement == NULL )
|
|
return;
|
|
|
|
// In order for DestroyElement to work, then, we need to cache off the element type
|
|
// because that's stored in an attribute
|
|
|
|
const char *pElementType = pElement->GetTypeString();
|
|
Assert( pElementType );
|
|
|
|
// Msg( "Deleting %s element 0x%x \'%s\' in file \"%s\" - %d elements loaded\n", pElementType, hElement, pInternal->GetName(), GetFileName( pInternal->GetFileId() ), m_elementIds.Count() );
|
|
|
|
UtlHashHandle_t h = m_elementIds.Find( pElement->GetId() );
|
|
Assert( h != m_elementIds.InvalidHandle() );
|
|
if ( h != m_elementIds.InvalidHandle() )
|
|
{
|
|
m_elementIds.Remove( h );
|
|
}
|
|
|
|
DmElementReference_t *pRef = CDmeElementAccessor::GetReference( pElement );
|
|
bool bReleaseHandle = hrp == HR_ALWAYS || ( hrp == HR_IF_NOT_REFERENCED && !pRef->IsWeaklyReferenced() );
|
|
if ( !bReleaseHandle )
|
|
{
|
|
m_unloadedIdElementMap.Insert( ElementIdHandlePair_t( GetElementId( hElement ), *pRef ) );
|
|
}
|
|
|
|
IDmElementFactory *pFactory = NULL;
|
|
if ( m_bOnlyCreateUntypedElements )
|
|
{
|
|
pFactory = m_pDefaultFactory;
|
|
}
|
|
else
|
|
{
|
|
int idx = m_Factories.Find( pElementType );
|
|
pFactory = idx == m_Factories.InvalidIndex() ? m_pDefaultFactory : m_Factories[ idx ];
|
|
}
|
|
|
|
CDmeElementAccessor::PerformDestruction( pElement );
|
|
|
|
// NOTE: Attribute destruction has to happen before the containing object is destroyed
|
|
// because the inline optimization will crash otherwise, and after PerformDestruction
|
|
// or else PerformDestruction will crash
|
|
CDmeElementAccessor::Purge( pElement );
|
|
|
|
pFactory->Destroy( hElement );
|
|
if ( bReleaseHandle )
|
|
{
|
|
ReleaseElementHandle( hElement );
|
|
}
|
|
else
|
|
{
|
|
MarkHandleInvalid( hElement );
|
|
}
|
|
}
|
|
|
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//-----------------------------------------------------------------------------
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// handle-related methods
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//-----------------------------------------------------------------------------
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DmElementHandle_t CDataModel::AcquireElementHandle()
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{
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NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
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return ( DmElementHandle_t )m_Handles.AddHandle();
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}
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void CDataModel::ReleaseElementHandle( DmElementHandle_t hElement )
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{
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m_Handles.RemoveHandle( hElement );
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NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
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}
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void CDataModel::MarkHandleInvalid( DmElementHandle_t hElement )
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{
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m_Handles.MarkHandleInvalid( hElement );
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NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
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}
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void CDataModel::MarkHandleValid( DmElementHandle_t hElement )
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{
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m_Handles.MarkHandleValid( hElement );
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NotifyState( NOTIFY_CHANGE_TOPOLOGICAL );
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}
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void CDataModel::GetInvalidHandles( CUtlVector< DmElementHandle_t > &handles )
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{
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unsigned int nHandles = m_Handles.GetHandleCount();
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for ( unsigned int i = 0; i < nHandles; ++i )
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{
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DmElementHandle_t h = ( DmElementHandle_t )m_Handles.GetHandleFromIndex( i );
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if ( !m_Handles.IsHandleValid( h ) )
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{
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handles.AddToTail( h );
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}
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}
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}
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void CDataModel::MarkHandlesValid( CUtlVector< DmElementHandle_t > &handles )
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{
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int nHandles = handles.Count();
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for ( int i = 0; i < nHandles; ++i )
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{
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m_Handles.MarkHandleValid( handles[ i ] );
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}
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}
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void CDataModel::MarkHandlesInvalid( CUtlVector< DmElementHandle_t > &handles )
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{
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int nHandles = handles.Count();
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for ( int i = 0; i < nHandles; ++i )
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{
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m_Handles.MarkHandleInvalid( handles[ i ] );
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}
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}
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CDmElement *CDataModel::GetElement( DmElementHandle_t hElement ) const
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{
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return ( hElement != DMELEMENT_HANDLE_INVALID ) ? m_Handles.GetHandle( hElement ) : NULL;
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}
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UtlSymId_t CDataModel::GetElementType( DmElementHandle_t hElement ) const
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{
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CDmElement *pElement = ( hElement != DMELEMENT_HANDLE_INVALID ) ? m_Handles.GetHandle( hElement ) : NULL;
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if ( pElement == NULL )
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return UTL_INVAL_SYMBOL;
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return pElement->GetType();
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}
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const char* CDataModel::GetElementName( DmElementHandle_t hElement ) const
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{
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CDmElement *pElement = ( hElement != DMELEMENT_HANDLE_INVALID ) ? m_Handles.GetHandle( hElement ) : NULL;
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if ( pElement == NULL )
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return "";
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return pElement->GetName();
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}
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const DmObjectId_t& CDataModel::GetElementId( DmElementHandle_t hElement ) const
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{
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CDmElement *pElement = ( hElement != DMELEMENT_HANDLE_INVALID ) ? m_Handles.GetHandle( hElement ) : NULL;
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if ( pElement == NULL )
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{
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static DmObjectId_t s_id;
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InvalidateUniqueId( &s_id );
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return s_id;
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}
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return pElement->GetId();
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}
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//-----------------------------------------------------------------------------
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// Attribute types
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//-----------------------------------------------------------------------------
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const char *CDataModel::GetAttributeNameForType( DmAttributeType_t attType ) const
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{
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return AttributeTypeName( attType );
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}
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DmAttributeType_t CDataModel::GetAttributeTypeForName( const char *name ) const
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{
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return AttributeType( name );
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}
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//-----------------------------------------------------------------------------
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// Event "mailing list" s
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//-----------------------------------------------------------------------------
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DmMailingList_t CDataModel::CreateMailingList()
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{
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return m_MailingLists.AddToTail();
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}
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void CDataModel::DestroyMailingList( DmMailingList_t list )
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|
{
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m_MailingLists.Remove( list );
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}
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void CDataModel::AddElementToMailingList( DmMailingList_t list, DmElementHandle_t h )
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|
{
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|
// Make sure it's not already in the list
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Assert( m_MailingLists[list].m_Elements.Find( h ) < 0 );
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m_MailingLists[list].m_Elements.AddToTail( h );
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}
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bool CDataModel::RemoveElementFromMailingList( DmMailingList_t list, DmElementHandle_t h )
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|
{
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// Make sure we find it!
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MailingList_t &mailingList = m_MailingLists[list];
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int i = mailingList.m_Elements.Find( h );
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Assert( i >= 0 );
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mailingList.m_Elements.FastRemove( i );
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return ( mailingList.m_Elements.Count() != 0 );
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}
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bool CDataModel::PostAttributeChanged( DmMailingList_t list, CDmAttribute *pAttribute )
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|
{
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|
MailingList_t &mailingList = m_MailingLists[list];
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int nCount = mailingList.m_Elements.Count();
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|
for ( int i = nCount; --i >= 0; )
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|
{
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|
DmElementHandle_t hElement = mailingList.m_Elements[i];
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CDmElement *pElement = GetElement( hElement );
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|
if ( pElement )
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{
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pElement->OnAttributeChanged( pAttribute );
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}
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else
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{
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// The element handle is stale; remove it.
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mailingList.m_Elements.FastRemove( i );
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|
}
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|
}
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|
|
|
return ( mailingList.m_Elements.Count() != 0 );
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|
}
|
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|
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//-----------------------------------------------------------------------------
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|
//
|
|
// Methods related to notification callbacks
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|
//
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|
//-----------------------------------------------------------------------------
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|
bool CDataModel::InstallNotificationCallback( IDmNotify *pNotify )
|
|
{
|
|
return m_UndoMgr.InstallNotificationCallback( pNotify );
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}
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void CDataModel::RemoveNotificationCallback( IDmNotify *pNotify )
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|
{
|
|
m_UndoMgr.RemoveNotificationCallback( pNotify );
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|
}
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bool CDataModel::IsSuppressingNotify( ) const
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|
{
|
|
return GetUndoMgr()->IsSuppressingNotify( );
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|
}
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void CDataModel::SetSuppressingNotify( bool bSuppress )
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|
{
|
|
GetUndoMgr()->SetSuppressingNotify( bSuppress );
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|
}
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void CDataModel::PushNotificationScope( const char *pReason, int nNotifySource, int nNotifyFlags )
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|
{
|
|
GetUndoMgr()->PushNotificationScope( pReason, nNotifySource, nNotifyFlags );
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|
}
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|
void CDataModel::PopNotificationScope( bool bAbort )
|
|
{
|
|
GetUndoMgr()->PopNotificationScope( bAbort );
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|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
// Undo/Redo support
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::SetUndoEnabled( bool enable )
|
|
{
|
|
if ( enable )
|
|
{
|
|
GetUndoMgr()->EnableUndo();
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|
}
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|
else
|
|
{
|
|
GetUndoMgr()->DisableUndo();
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|
}
|
|
}
|
|
|
|
bool CDataModel::IsUndoEnabled() const
|
|
{
|
|
return GetUndoMgr()->IsEnabled();
|
|
}
|
|
|
|
bool CDataModel::UndoEnabledForElement( const CDmElement *pElement ) const
|
|
{
|
|
// elements not in any file don't participate in undo
|
|
Assert( pElement );
|
|
return IsUndoEnabled() && pElement && pElement->GetFileId() != DMFILEID_INVALID;
|
|
}
|
|
|
|
bool CDataModel::IsDirty() const
|
|
{
|
|
return GetUndoMgr()->HasUndoData();
|
|
}
|
|
|
|
bool CDataModel::CanUndo() const
|
|
{
|
|
return GetUndoMgr()->HasUndoData();
|
|
}
|
|
|
|
bool CDataModel::CanRedo() const
|
|
{
|
|
return GetUndoMgr()->HasRedoData();
|
|
}
|
|
|
|
void CDataModel::StartUndo( const char *undodesc, const char *redodesc, int nChainingID /* = 0 */ )
|
|
{
|
|
GetUndoMgr()->PushUndo( undodesc, redodesc, nChainingID );
|
|
}
|
|
|
|
void CDataModel::FinishUndo()
|
|
{
|
|
GetUndoMgr()->PushRedo();
|
|
}
|
|
|
|
void CDataModel::AbortUndoableOperation()
|
|
{
|
|
GetUndoMgr()->AbortUndoableOperation();
|
|
}
|
|
|
|
void CDataModel::ClearRedo()
|
|
{
|
|
if ( GetUndoMgr()->HasRedoData() )
|
|
{
|
|
GetUndoMgr()->WipeRedo();
|
|
}
|
|
}
|
|
|
|
const char *CDataModel::GetUndoDesc()
|
|
{
|
|
return GetUndoMgr()->UndoDesc();
|
|
}
|
|
|
|
const char *CDataModel::GetRedoDesc()
|
|
{
|
|
return GetUndoMgr()->RedoDesc();
|
|
}
|
|
|
|
// From the UI, perform the Undo operation
|
|
void CDataModel::Undo()
|
|
{
|
|
GetUndoMgr()->Undo();
|
|
}
|
|
|
|
void CDataModel::Redo()
|
|
{
|
|
GetUndoMgr()->Redo();
|
|
}
|
|
|
|
// if true, undo records spew as they are added
|
|
void CDataModel::TraceUndo( bool state )
|
|
{
|
|
GetUndoMgr()->TraceUndo( state );
|
|
}
|
|
|
|
void CDataModel::AddUndoElement( IUndoElement *pElement )
|
|
{
|
|
GetUndoMgr()->AddUndoElement( pElement );
|
|
}
|
|
|
|
void CDataModel::ClearUndo()
|
|
{
|
|
GetUndoMgr()->WipeUndo();
|
|
GetUndoMgr()->WipeRedo();
|
|
|
|
m_bDeleteOrphanedElements = true; // next time we delete unreferenced elements, delete orphaned subtrees as well
|
|
}
|
|
|
|
UtlSymId_t CDataModel::GetUndoDescInternal( const char *context )
|
|
{
|
|
return GetUndoMgr()->GetUndoDescInternal( context );
|
|
}
|
|
|
|
UtlSymId_t CDataModel::GetRedoDescInternal( const char *context )
|
|
{
|
|
return GetUndoMgr()->GetRedoDescInternal( context );
|
|
}
|
|
|
|
void CDataModel::GetUndoInfo( CUtlVector< UndoInfo_t >& list )
|
|
{
|
|
GetUndoMgr()->GetUndoInfo( list );
|
|
}
|
|
|
|
const char *CDataModel::GetUndoString( UtlSymId_t sym )
|
|
{
|
|
return CUndoManager::GetUndoString( sym );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Methods related to attribute handles
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
DmAttributeHandle_t CDataModel::AcquireAttributeHandle( CDmAttribute *pAttribute )
|
|
{
|
|
DmAttributeHandle_t hAttribute = (DmAttributeHandle_t)m_AttributeHandles.AddHandle();
|
|
m_AttributeHandles.SetHandle( hAttribute, pAttribute );
|
|
return hAttribute;
|
|
}
|
|
|
|
void CDataModel::ReleaseAttributeHandle( DmAttributeHandle_t hAttribute )
|
|
{
|
|
if ( hAttribute != DMATTRIBUTE_HANDLE_INVALID )
|
|
{
|
|
m_AttributeHandles.RemoveHandle( hAttribute );
|
|
}
|
|
}
|
|
|
|
CDmAttribute *CDataModel::GetAttribute( DmAttributeHandle_t h )
|
|
{
|
|
return m_AttributeHandles.GetHandle( h );
|
|
}
|
|
|
|
bool CDataModel::IsAttributeHandleValid( DmAttributeHandle_t h ) const
|
|
{
|
|
return m_AttributeHandles.IsHandleValid( h );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Methods related to clipboard contexts
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void CDataModel::EmptyClipboard()
|
|
{
|
|
GetClipboardMgr()->EmptyClipboard( true );
|
|
}
|
|
|
|
void CDataModel::SetClipboardData( CUtlVector< KeyValues * >& data, IClipboardCleanup *pfnOptionalCleanuFunction /*= 0*/ )
|
|
{
|
|
GetClipboardMgr()->SetClipboardData( data, pfnOptionalCleanuFunction );
|
|
}
|
|
|
|
void CDataModel::AddToClipboardData( KeyValues *add )
|
|
{
|
|
GetClipboardMgr()->AddToClipboardData( add );
|
|
}
|
|
|
|
void CDataModel::GetClipboardData( CUtlVector< KeyValues * >& data )
|
|
{
|
|
GetClipboardMgr()->GetClipboardData( data );
|
|
}
|
|
|
|
bool CDataModel::HasClipboardData() const
|
|
{
|
|
return GetClipboardMgr()->HasClipboardData();
|
|
}
|
|
|
|
|