Torque3D/Engine/source/assets/tamlAssetReferencedUpdateVisitor.h

128 lines
4.4 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _TAML_ASSET_REFERENCED_UPDATE_VISITOR_H_
#define _TAML_ASSET_REFERENCED_UPDATE_VISITOR_H_
#ifndef _TAML_VISITOR_H_
#include "persistence/taml/tamlVisitor.h"
#endif
#ifndef _TAML_PARSER_H_
#include "persistence\/taml/tamlParser.h"
#endif
#ifndef _STRINGUNIT_H_
#include "string/stringUnit.h"
#endif
#ifndef _STRINGTABLE_H_
#include "string/stringTable.h"
#endif
#ifndef _ASSET_FIELD_TYPES_H_
#include "assets/assetFieldTypes.h"
#endif
// Debug Profiling.
#include "platform/profiler.h"
//-----------------------------------------------------------------------------
class TamlAssetReferencedUpdateVisitor : public TamlVisitor
{
private:
StringTableEntry mAssetIdFrom;
StringTableEntry mAssetIdTo;
public:
TamlAssetReferencedUpdateVisitor() : mAssetIdFrom(StringTable->EmptyString()), mAssetIdTo(StringTable->EmptyString()) {}
virtual ~TamlAssetReferencedUpdateVisitor() {}
void setAssetIdFrom( const char* pAssetIdFrom )
{
// Sanity!
AssertFatal( pAssetIdFrom != NULL, "Asset Id from cannot be NULL." );
mAssetIdFrom = StringTable->insert( pAssetIdFrom );
}
StringTableEntry getAssetIdFrom( void ) const { return mAssetIdFrom; }
void setAssetIdTo( const char* pAssetIdTo )
{
// Sanity!
AssertFatal( pAssetIdTo != NULL, "Asset Id to cannot be NULL." );
mAssetIdTo = StringTable->insert( pAssetIdTo );
}
const char* getAssetIdTo( void ) const { return mAssetIdTo; }
virtual bool wantsPropertyChanges( void ) { return true; }
virtual bool wantsRootOnly( void ) { return false; }
virtual bool visit( const TamlParser& parser, TamlVisitor::PropertyState& propertyState )
{
// Debug Profiling.
PROFILE_SCOPE(TamlAssetReferencedUpdateVisitor_Visit);
// Fetch the property value.
const char* pPropertyValue = propertyState.getPropertyValue();
// Fetch property value word count.
const U32 valueWordCount = StringUnit::getUnitCount( pPropertyValue, ASSET_ASSIGNMENT_TOKEN );
// Finish if not two words.
if ( valueWordCount != 2 )
return true;
// Finish if this is not an asset signature.
if ( dStricmp( StringUnit::getUnit( pPropertyValue, 0, ASSET_ASSIGNMENT_TOKEN), assetLooseIdSignature ) != 0 )
return true;
// Get the asset value.
const char* pAssetValue = StringUnit::getUnit( pPropertyValue, 1, ASSET_ASSIGNMENT_TOKEN );
// Finish if not the asset Id we're looking for.
if ( dStricmp( pAssetValue, mAssetIdFrom ) != 0 )
return true;
// Is the target asset empty?
if ( mAssetIdTo == StringTable->EmptyString() )
{
// Yes, so update the property as empty.
propertyState.updatePropertyValue(StringTable->EmptyString());
return true;
}
// Format asset.
char assetBuffer[1024];
dSprintf( assetBuffer, sizeof(assetBuffer), "%s%s%s", assetLooseIdSignature, ASSET_ASSIGNMENT_TOKEN, mAssetIdTo );
// Assign new value.
propertyState.updatePropertyValue( assetBuffer );
return true;
}
};
#endif // _TAML_ASSET_REFERENCED_UPDATE_VISITOR_H_