456 lines
13 KiB
C++
456 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <set>
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#include <map>
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#include <utility>
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#include <iterator>
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#include <cctype>
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#include <iostream>
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#include <algorithm>
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#include "vrml2_node.h"
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static std::set< std::string > badNames;
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typedef std::pair< std::string, WRL2NODES > NODEITEM;
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typedef std::map< std::string, WRL2NODES > NODEMAP;
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static NODEMAP nodenames;
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WRL2NODE::WRL2NODE()
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{
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m_sgNode = NULL;
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m_Parent = NULL;
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m_Type = WRL2_END;
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if( badNames.empty() )
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{
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badNames.insert( "DEF" );
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badNames.insert( "EXTERNPROTO" );
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badNames.insert( "FALSE" );
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badNames.insert( "IS" );
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badNames.insert( "NULL" );
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badNames.insert( "PROTO" );
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badNames.insert( "ROUTE" );
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badNames.insert( "TO" );
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badNames.insert( "TRUE" );
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badNames.insert( "USE" );
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badNames.insert( "eventIn" );
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badNames.insert( "eventOut" );
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badNames.insert( "exposedField" );
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badNames.insert( "field" );
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}
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if( nodenames.empty() )
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{
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nodenames.insert( NODEITEM( "Anchor", WRL2_ANCHOR ) );
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nodenames.insert( NODEITEM( "Appearance", WRL2_APPEARANCE ) );
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nodenames.insert( NODEITEM( "Audioclip", WRL2_AUDIOCLIP ) );
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nodenames.insert( NODEITEM( "Background", WRL2_BACKGROUND ) );
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nodenames.insert( NODEITEM( "Billboard", WRL2_BILLBOARD ) );
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nodenames.insert( NODEITEM( "Box", WRL2_BOX ) );
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nodenames.insert( NODEITEM( "Collision", WRL2_COLLISION ) );
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nodenames.insert( NODEITEM( "Color", WRL2_COLOR ) );
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nodenames.insert( NODEITEM( "ColorInterpolator", WRL2_COLORINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "Cone", WRL2_CONE ) );
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nodenames.insert( NODEITEM( "Coordinate", WRL2_COORDINATE ) );
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nodenames.insert( NODEITEM( "CoordinateInterpolator", WRL2_COORDINATEINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "Cylinder", WRL2_CYLINDER ) );
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nodenames.insert( NODEITEM( "CylinderSensor", WRL2_CYLINDERSENSOR ) );
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nodenames.insert( NODEITEM( "DirectionalLight", WRL2_DIRECTIONALLIGHT ) );
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nodenames.insert( NODEITEM( "ElevationGrid", WRL2_ELEVATIONGRID ) );
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nodenames.insert( NODEITEM( "Extrusion", WRL2_EXTRUSION ) );
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nodenames.insert( NODEITEM( "Fog", WRL2_FOG ) );
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nodenames.insert( NODEITEM( "FontStyle", WRL2_FONTSTYLE ) );
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nodenames.insert( NODEITEM( "Group", WRL2_GROUP ) );
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nodenames.insert( NODEITEM( "ImageTexture", WRL2_IMAGETEXTURE ) );
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nodenames.insert( NODEITEM( "IndexedFaceSet", WRL2_INDEXEDFACESET ) );
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nodenames.insert( NODEITEM( "IndexedLineSet", WRL2_INDEXEDLINESET ) );
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nodenames.insert( NODEITEM( "Inline", WRL2_INLINE ) );
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nodenames.insert( NODEITEM( "LOD", WRL2_LOD ) );
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nodenames.insert( NODEITEM( "Material", WRL2_MATERIAL ) );
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nodenames.insert( NODEITEM( "MovieTexture", WRL2_MOVIETEXTURE ) );
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nodenames.insert( NODEITEM( "NavigationInfo", WRL2_NAVIGATIONINFO ) );
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nodenames.insert( NODEITEM( "Normal", WRL2_NORMAL ) );
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nodenames.insert( NODEITEM( "NormalInterpolator", WRL2_NORMALINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "OrientationInterpolator", WRL2_ORIENTATIONINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "PixelTexture", WRL2_PIXELTEXTURE ) );
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nodenames.insert( NODEITEM( "PlaneSensor", WRL2_PLANESENSOR ) );
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nodenames.insert( NODEITEM( "PointLight", WRL2_POINTLIGHT ) );
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nodenames.insert( NODEITEM( "PointSet", WRL2_POINTSET ) );
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nodenames.insert( NODEITEM( "PositionInterpolator", WRL2_POSITIONINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "ProximitySensor", WRL2_PROXIMITYSENSOR ) );
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nodenames.insert( NODEITEM( "ScalarInterpolator", WRL2_SCALARINTERPOLATOR ) );
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nodenames.insert( NODEITEM( "Script", WRL2_SCRIPT ) );
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nodenames.insert( NODEITEM( "Shape", WRL2_SHAPE ) );
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nodenames.insert( NODEITEM( "Sound", WRL2_SOUND ) );
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nodenames.insert( NODEITEM( "Sphere", WRL2_SPHERE ) );
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nodenames.insert( NODEITEM( "SphereSensor", WRL2_SPHERESENSOR ) );
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nodenames.insert( NODEITEM( "SpotLight", WRL2_SPOTLIGHT ) );
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nodenames.insert( NODEITEM( "Switch", WRL2_SWITCH ) );
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nodenames.insert( NODEITEM( "Text", WRL2_TEXT ) );
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nodenames.insert( NODEITEM( "TextureCoordinate", WRL2_TEXTURECOORDINATE ) );
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nodenames.insert( NODEITEM( "TextureTransform", WRL2_TEXTURETRANSFORM ) );
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nodenames.insert( NODEITEM( "TimeSensor", WRL2_TIMESENSOR ) );
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nodenames.insert( NODEITEM( "TouchSensor", WRL2_TOUCHSENSOR ) );
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nodenames.insert( NODEITEM( "Transform", WRL2_TRANSFORM ) );
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nodenames.insert( NODEITEM( "ViewPoint", WRL2_VIEWPOINT ) );
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nodenames.insert( NODEITEM( "VisibilitySensor", WRL2_VISIBILITYSENSOR ) );
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nodenames.insert( NODEITEM( "WorldInfo", WRL2_WORLDINFO ) );
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}
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return;
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}
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WRL2NODE::~WRL2NODE()
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{
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if( m_Parent )
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m_Parent->unlinkChildNode( this );
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std::list< WRL2NODE* >::iterator sBP = m_BackPointers.begin();
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std::list< WRL2NODE* >::iterator eBP = m_BackPointers.end();
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while( sBP != eBP )
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{
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(*sBP)->unlinkRefNode( this );
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++sBP;
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}
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m_Refs.clear();
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std::list< WRL2NODE* >::iterator sC = m_Children.begin();
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std::list< WRL2NODE* >::iterator eC = m_Children.end();
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while( sC != eC )
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{
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(*sC)->SetParent( NULL, false );
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delete *sC;
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++sC;
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}
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m_Children.clear();
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return;
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}
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void WRL2NODE::addNodeRef( WRL2NODE* aNode )
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{
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// the parent node must never be added as a backpointer
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if( aNode == m_Parent )
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return;
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std::list< WRL2NODE* >::iterator np =
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std::find( m_BackPointers.begin(), m_BackPointers.end(), aNode );
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if( np != m_BackPointers.end() )
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return;
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m_BackPointers.push_back( aNode );
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return;
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}
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void WRL2NODE::delNodeRef( WRL2NODE* aNode )
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{
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std::list< WRL2NODE* >::iterator np =
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std::find( m_BackPointers.begin(), m_BackPointers.end(), aNode );
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if( np != m_BackPointers.end() )
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{
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m_BackPointers.erase( np );
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return;
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}
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#ifdef DEBUG_VRML2
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] delNodeRef() did not find its target\n";
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#endif
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return;
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}
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WRL2NODES WRL2NODE::GetNodeType( void ) const
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{
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return m_Type;
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}
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WRL2NODE* WRL2NODE::GetParent( void ) const
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{
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return m_Parent;
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}
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std::string WRL2NODE::GetName( void )
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{
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return m_Name;
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}
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bool WRL2NODE::SetName( const std::string& aName )
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{
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if( aName.empty() )
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return false;
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std::set< std::string >::iterator item = badNames.find( aName );
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if( item != badNames.end() )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [INFO] invalid node name '" << *item << "' (matches restricted word)\n";
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#endif
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return false;
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}
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if( isdigit( aName[0] ) )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [INFO] invalid node name '" << *item << "' (begins with digit)\n";
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#endif
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return false;
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}
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// The characters '+' and '-' are not allowed in names as per the VRML2 specification;
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// however many parsers accept them and many bad generators use them so the rules
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// have been relaxed here.
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// #define BAD_CHARS1 "\"\'#+,-.\\[]{}\x00\x01\x02\x03\x04\x05\x06\x09\x0A\x0B\x0C\x0D\x0E\x0F"
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#define BAD_CHARS1 "\"\'#,.\\[]{}\x00\x01\x02\x03\x04\x05\x06\x09\x0A\x0B\x0C\x0D\x0E\x0F"
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#define BAD_CHARS2 "\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"
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if( std::string::npos != aName.find_first_of( BAD_CHARS1 )
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|| std::string::npos != aName.find_first_of( BAD_CHARS2 ) )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [INFO] invalid node name '" << aName;
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std::cerr<< "' (contains invalid character)\n";
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#endif
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return false;
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}
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m_Name = aName;
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return true;
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}
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const char* WRL2NODE::GetNodeTypeName( WRL2NODES aNodeType ) const
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{
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if( aNodeType < WRL2_BASE || aNodeType >= WRL2_END )
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return "*INVALID_TYPE*";
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if( aNodeType == WRL2_BASE )
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return "*VIRTUAL_BASE*";
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NODEMAP::iterator it = nodenames.begin();
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advance( it, (aNodeType - WRL2_BEGIN) );
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return it->first.c_str();
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}
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WRL2NODES WRL2NODE::getNodeTypeID( const std::string aNodeName )
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{
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NODEMAP::iterator it = nodenames.find( aNodeName );
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if( nodenames.end() != it )
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return it->second;
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return WRL2_INVALID;
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}
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std::string WRL2NODE::GetError( void )
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{
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return m_error;
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}
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WRL2NODE* WRL2NODE::FindNode( const std::string& aNodeName, const WRL2NODE *aCaller )
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{
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if( aNodeName.empty() )
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return NULL;
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if( !m_Name.compare( aNodeName ) )
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return this;
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std::list< WRL2NODE* >::iterator sLA = m_Children.begin();
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std::list< WRL2NODE* >::iterator eLA = m_Children.end();
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WRL2NODE* psg = NULL;
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while( sLA != eLA )
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{
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if( *sLA != aCaller )
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{
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psg = (*sLA)->FindNode( aNodeName, this );
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if( NULL != psg)
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return psg;
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}
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++sLA;
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}
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if( NULL != m_Parent && aCaller != m_Parent )
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return m_Parent->FindNode( aNodeName, this );
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return NULL;
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}
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bool WRL2NODE::SetParent( WRL2NODE* aParent, bool doUnlink )
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{
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if( aParent == m_Parent )
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return true;
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if( NULL != m_Parent && doUnlink )
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m_Parent->unlinkChildNode( this );
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m_Parent = aParent;
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if( NULL != m_Parent )
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m_Parent->AddChildNode( this );
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return true;
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}
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bool WRL2NODE::AddChildNode( WRL2NODE* aNode )
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{
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if( aNode == NULL )
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return false;
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if( aNode->GetNodeType() == WRL2_BASE )
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{
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#ifdef DEBUG_VRML2
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] attempting to add a base node to another node\n";
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#endif
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return false;
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}
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std::list< WRL2NODE* >::iterator sC = m_Children.begin();
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std::list< WRL2NODE* >::iterator eC = m_Children.end();
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while( sC != eC )
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{
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if( *sC == aNode )
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return false;
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++sC;
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}
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m_Children.push_back( aNode );
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if( aNode->GetParent() != this )
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aNode->SetParent( this );
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return true;
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}
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bool WRL2NODE::AddRefNode( WRL2NODE* aNode )
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{
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if( NULL == aNode )
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{
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#ifdef DEBUG_VRML2
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] NULL passed as node pointer\n";
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#endif
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return false;
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}
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if( aNode->GetNodeType() == WRL2_BASE )
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{
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#ifdef DEBUG_VRML2
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std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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std::cerr << " * [BUG] attempting to add a base node ref to another base node\n";
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#endif
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return false;
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}
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std::list< WRL2NODE* >::iterator sR = m_Refs.begin();
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std::list< WRL2NODE* >::iterator eR = m_Refs.end();
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while( sR != eR )
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{
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if( *sR == aNode )
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return true;
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++sR;
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}
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m_Refs.push_back( aNode );
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return true;
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}
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void WRL2NODE::unlinkChildNode( const WRL2NODE* aNode )
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{
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std::list< WRL2NODE* >::iterator sL = m_Children.begin();
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std::list< WRL2NODE* >::iterator eL = m_Children.end();
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while( sL != eL )
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{
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if( *sL == aNode )
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{
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m_Children.erase( sL );
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return;
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}
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++sL;
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}
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return;
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}
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void WRL2NODE::unlinkRefNode( const WRL2NODE* aNode )
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{
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std::list< WRL2NODE* >::iterator sL = m_Refs.begin();
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std::list< WRL2NODE* >::iterator eL = m_Refs.end();
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while( sL != eL )
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{
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if( *sL == aNode )
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{
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m_Refs.erase( sL );
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return;
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}
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++sL;
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}
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return;
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}
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