mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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112 lines
4.1 KiB
C++
112 lines
4.1 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2013 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _TAML_VISITOR_H_
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#define _TAML_VISITOR_H_
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#include "core/stringTable.h"
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#include "core/strings/stringFunctions.h"
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//-----------------------------------------------------------------------------
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class TamlParser;
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//-----------------------------------------------------------------------------
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/// @ingroup tamlGroup
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/// @see tamlGroup
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class TamlVisitor
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{
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public:
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/// Visitor property state.
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struct PropertyState
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{
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private:
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StringTableEntry mObjectName;
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StringTableEntry mPropertyName;
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char mPropertyValue[4096];
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bool mPropertyValueDirty;
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bool mIsRootObject;
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public:
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PropertyState()
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{
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mObjectName = StringTable->EmptyString();
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mPropertyName = StringTable->EmptyString();
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*mPropertyValue = 0;
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mPropertyValueDirty = false;
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mIsRootObject = false;
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}
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inline void setObjectName( const char* pObjectName, const bool rootObject )
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{
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mObjectName = StringTable->insert( pObjectName );
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mIsRootObject = rootObject;
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}
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inline StringTableEntry getObjectName( void ) const { return mObjectName; }
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inline bool isRootObject( void ) const { return mIsRootObject; }
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inline void setProperty( const char* pPropertyName, const char* pPropertyValue )
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{
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// Set property name.
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mPropertyName = StringTable->insert( pPropertyName );
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// Format property value.
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dSprintf( mPropertyValue, sizeof(mPropertyValue), "%s", pPropertyValue );
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// Flag as not dirty.
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mPropertyValueDirty = false;
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}
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inline void updatePropertyValue( const char* pPropertyValue )
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{
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// Update property value.
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dSprintf( mPropertyValue, sizeof(mPropertyValue), "%s", pPropertyValue );
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// Flag as dirty.
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mPropertyValueDirty = true;
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}
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inline StringTableEntry getPropertyName( void ) const { return mPropertyName; }
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inline const char* getPropertyValue( void ) const { return mPropertyValue; }
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inline void resetPropertyValueDirty( void ) { mPropertyValueDirty = false; }
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inline bool getPropertyValueDirty( void ) const { return mPropertyValueDirty; }
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};
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public:
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TamlVisitor() {}
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virtual ~TamlVisitor() {}
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/// Whether the visitor wants to perform property changes.
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/// This allows a check against the parser which may not allow changes.
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virtual bool wantsPropertyChanges( void ) = 0;
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/// Whether the visitor wants to visit the root node only.
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virtual bool wantsRootOnly( void ) = 0;
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/// The state of the visited property.
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virtual bool visit( const TamlParser& parser, PropertyState& propertyState ) = 0;
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};
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#endif // _TAML_VISITOR_H_
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