101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
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//========= 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/dmelementfactoryhelper.h"
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#include "tier0/dbg.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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CDmElementFactoryHelper *CDmElementFactoryHelper::s_pHelpers[2] = { NULL, NULL };
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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CDmElementFactoryHelper::CDmElementFactoryHelper( const char *classname, IDmElementFactoryInternal *pFactory, bool bIsStandardFactory )
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{
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m_pNext = s_pHelpers[bIsStandardFactory];
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s_pHelpers[bIsStandardFactory] = this;
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// Set attributes
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Assert( pFactory );
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m_pFactory = pFactory;
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Assert( classname );
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m_pszClassname = classname;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns next object in list
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// Output : CDmElementFactoryHelper
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//-----------------------------------------------------------------------------
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CDmElementFactoryHelper *CDmElementFactoryHelper::GetNext( void )
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{
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return m_pNext;
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}
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//-----------------------------------------------------------------------------
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// Installs all factories into the datamodel system
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//-----------------------------------------------------------------------------
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// NOTE: The name of this extern is defined by the macro IMPLEMENT_ELEMENT_FACTORY
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extern CDmElementFactoryHelper g_CDmElement_Helper;
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void CDmElementFactoryHelper::InstallFactories( )
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{
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// Just set up the type symbols of the other factories
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CDmElementFactoryHelper *p = s_pHelpers[0];
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while ( p )
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{
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// Add factories to database
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if ( !p->GetFactory()->IsAbstract() )
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{
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g_pDataModel->AddElementFactory( p->GetClassname(), p->GetFactory() );
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}
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// Set up the type symbol. Note this can't be done at
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// constructor time since we don't have a DataModel pointer then
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p->GetFactory()->SetElementTypeSymbol( g_pDataModel->GetSymbol( p->GetClassname() ) );
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p = p->GetNext();
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}
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p = s_pHelpers[1];
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while ( p )
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{
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// Add factories to database, but not if they've been overridden
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if ( !g_pDataModel->HasElementFactory( p->GetClassname() ) )
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{
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if ( !p->GetFactory()->IsAbstract() )
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{
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g_pDataModel->AddElementFactory( p->GetClassname(), p->GetFactory() );
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}
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// Set up the type symbol. Note this can't be done at
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// constructor time since we don't have a DataModel pointer then
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// Backward compat--don't let the type symbol be 'DmeElement'
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if ( Q_stricmp( p->GetClassname(), "DmeElement" ) )
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{
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p->GetFactory()->SetElementTypeSymbol( g_pDataModel->GetSymbol( p->GetClassname() ) );
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}
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}
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p = p->GetNext();
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}
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// Also install the DmElement factory as the default factory
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g_pDataModel->SetDefaultElementFactory( g_CDmElement_Helper.GetFactory() );
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}
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//-----------------------------------------------------------------------------
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// Installs all DmElement factories
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//-----------------------------------------------------------------------------
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void InstallDmElementFactories( )
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{
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CDmElementFactoryHelper::InstallFactories( );
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}
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