386 lines
10 KiB
C++
386 lines
10 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 <iostream>
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#include <sstream>
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#include <wx/log.h>
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#include "vrml2_base.h"
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#include "vrml2_switch.h"
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#include "plugins/3dapi/ifsg_all.h"
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WRL2SWITCH::WRL2SWITCH() : WRL2NODE()
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{
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m_Type = WRL2_SWITCH;
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whichChoice = -1;
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return;
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}
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WRL2SWITCH::WRL2SWITCH( WRL2NODE* aParent ) : WRL2NODE()
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{
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m_Type = WRL2_SWITCH;
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m_Parent = aParent;
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whichChoice = -1;
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if( NULL != m_Parent )
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m_Parent->AddChildNode( this );
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return;
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}
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WRL2SWITCH::~WRL2SWITCH()
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
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do {
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std::ostringstream ostr;
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ostr << " * [INFO] Destroying Switch with " << m_Children.size();
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ostr << " children, " << m_Refs.size() << " references and ";
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ostr << m_BackPointers.size() << " backpointers";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return;
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}
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bool WRL2SWITCH::isDangling( void )
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{
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// a Switch node is never dangling
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return false;
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}
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// functions inherited from WRL2NODE
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bool WRL2SWITCH::Read( WRLPROC& proc, WRL2BASE* aTopNode )
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{
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/*
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* Structure of a Switch node (p.113):
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*
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* Switch {
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* exposedField MFNode choice []
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* exposedField SFInt32 whichChoice -1
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* }
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*/
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if( NULL == aTopNode )
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{
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#ifdef DEBUG_VRML2
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] aTopNode is NULL";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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size_t line, column;
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proc.GetFilePosData( line, column );
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char tok = proc.Peek();
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if( proc.eof() )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] bad file format; unexpected eof at line ";
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ostr << line << ", column " << column;
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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if( '{' != tok )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << proc.GetError() << "\n";
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] bad file format; expecting '{' but got '" << tok;
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ostr << "' at line " << line << ", column " << column;
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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proc.Pop();
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std::string glob;
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while( true )
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{
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if( proc.Peek() == '}' )
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{
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proc.Pop();
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break;
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}
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if( !proc.ReadName( glob ) )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << proc.GetError();
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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// expecting one of:
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// choice
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// whichChoice
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proc.GetFilePosData( line, column );
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if( !glob.compare( "whichChoice" ) )
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{
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if( !proc.ReadSFInt( whichChoice ) )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] invalid whichChoice at line " << line << ", column ";
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ostr << column << "\n";
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ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
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ostr << " * [INFO] message: '" << proc.GetError() << "'";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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}
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else if( !glob.compare( "choice" ) )
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{
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if( !readChildren( proc, aTopNode ) )
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return false;
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}
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else
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] bad Switch at line " << line << ", column ";
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ostr << column << "\n";
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ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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} // while( true ) -- reading contents of Switch{}
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return true;
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}
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bool WRL2SWITCH::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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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] NULL passed as node pointer";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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// take possession if the node is dangling WRL2_SHAPE
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if( WRL2_SHAPE == aNode->GetNodeType() && aNode->isDangling() )
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{
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WRL2NODE* np = aNode->GetParent();
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if( NULL != np )
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aNode->SetParent( this );
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if( !WRL2NODE::AddChildNode( aNode ) )
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{
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aNode->SetParent( NULL );
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return false;
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}
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}
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if( !WRL2NODE::AddRefNode( aNode ) )
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return false;
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return true;
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}
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bool WRL2SWITCH::readChildren( WRLPROC& proc, WRL2BASE* aTopNode )
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{
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size_t line, column;
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proc.GetFilePosData( line, column );
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char tok = proc.Peek();
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if( proc.eof() )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 1 )
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [INFO] bad file format; unexpected eof at line ";
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ostr << line << ", column " << column;
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return false;
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}
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WRL2NODE* child = NULL;
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if( '[' != tok )
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{
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// since there are no delimeters we expect a single child
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if( !aTopNode->ReadNode( proc, this, &child ) )
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return false;
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if( NULL != child )
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choices.push_back( child );
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if( proc.Peek() == ',' )
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proc.Pop();
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return true;
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}
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proc.Pop();
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while( true )
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{
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if( proc.Peek() == ']' )
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{
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proc.Pop();
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break;
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}
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if( !aTopNode->ReadNode( proc, this, &child ) )
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return false;
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if( NULL != child )
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choices.push_back( child );
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if( proc.Peek() == ',' )
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proc.Pop();
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}
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return true;
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}
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SGNODE* WRL2SWITCH::TranslateToSG( SGNODE* aParent )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
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do {
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std::ostringstream ostr;
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ostr << " * [INFO] Translating Switch with " << m_Children.size();
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ostr << " children, " << m_Refs.size() << " references and ";
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ostr << m_BackPointers.size() << " backpointers";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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if( choices.empty() )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
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wxLogTrace( MASK_VRML, " * [INFO] Switch translation: no choices\n" );
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#endif
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return NULL;
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}
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S3D::SGTYPES ptype = S3D::GetSGNodeType( aParent );
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if( NULL != aParent && ptype != S3D::SGTYPE_TRANSFORM )
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{
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#ifdef DEBUG_VRML2
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do {
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std::ostringstream ostr;
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ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
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ostr << " * [BUG] Switch does not have a Transform parent (parent ID: ";
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ostr << ptype << ")";
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return NULL;
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}
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if( whichChoice < 0 || whichChoice >= (int)choices.size() )
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{
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#if defined( DEBUG_VRML2 ) && ( DEBUG_VRML2 > 2 )
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do {
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std::ostringstream ostr;
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ostr << " * [INFO] Switch translation: no choice (choices = ";
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ostr << choices.size() << "), whichChoice = " << whichChoice;
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wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
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} while( 0 );
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#endif
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return NULL;
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}
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WRL2NODES type = choices[whichChoice]->GetNodeType();
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switch( type )
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{
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case WRL2_SHAPE:
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case WRL2_SWITCH:
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case WRL2_INLINE:
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case WRL2_TRANSFORM:
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break;
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default:
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return NULL;
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}
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return choices[whichChoice]->TranslateToSG( aParent );
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}
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