kicad/plugins/3d/vrml/v1/vrml1_switch.cpp

259 lines
7.5 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <iostream>
#include <sstream>
#include <iterator>
#include <wx/log.h>
#include "vrml1_base.h"
#include "vrml1_switch.h"
#include "plugins/3dapi/ifsg_all.h"
WRL1SWITCH::WRL1SWITCH( NAMEREGISTER* aDictionary ) : WRL1NODE( aDictionary )
{
m_Type = WRL1_SWITCH;
whichChild = -1;
return;
}
WRL1SWITCH::WRL1SWITCH( NAMEREGISTER* aDictionary, WRL1NODE* aParent ) :
WRL1NODE( aDictionary )
{
m_Type = WRL1_SWITCH;
m_Parent = aParent;
whichChild = -1;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return;
}
WRL1SWITCH::~WRL1SWITCH()
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Destroying Switch with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return;
}
// functions inherited from WRL1NODE
bool WRL1SWITCH::Read( WRLPROC& proc, WRL1BASE* aTopNode )
{
/*
* Structure of a Switch node:
*
* Switch {
* exposedField SFInt32 whichChild -1
* children
* }
*/
if( NULL == aTopNode )
{
#ifdef DEBUG_VRML1
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [BUG] aTopNode is NULL";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
size_t line, column;
proc.GetFilePosData( line, column );
char tok = proc.Peek();
if( proc.eof() )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected eof at line ";
ostr << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( '{' != tok )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << proc.GetError() << "\n";
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; expecting '{' but got '" << tok;
ostr << "' at line " << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
proc.Pop();
std::string glob;
while( true )
{
char pchar = proc.Peek();
if( pchar == '}' )
{
proc.Pop();
break;
}
else if ( pchar == 'w' )
{
if( !proc.ReadName( glob ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << proc.GetError();
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( !glob.compare( "whichChild" ) )
{
if( !proc.ReadSFInt( whichChild ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid whichChild at line " << line << ", column ";
ostr << column << "\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'\n";
ostr << " * [INFO] message: '" << proc.GetError() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
continue;
}
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] invalid Switch at line " << line << ", column ";
ostr << column << " (expected 'whichChild')\n";
ostr << " * [INFO] file: '" << proc.GetFileName() << "'";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
proc.GetFilePosData( line, column );
if( !aTopNode->ReadNode( proc, this, NULL ) )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 1 )
do {
std::ostringstream ostr;
ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
ostr << " * [INFO] bad file format; unexpected eof at line ";
ostr << line << ", column " << column;
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
return false;
}
if( proc.Peek() == ',' )
proc.Pop();
} // while( true ) -- reading contents of Switch{}
return true;
}
SGNODE* WRL1SWITCH::TranslateToSG( SGNODE* aParent, WRL1STATUS* sp )
{
#if defined( DEBUG_VRML1 ) && ( DEBUG_VRML1 > 2 )
do {
std::ostringstream ostr;
ostr << " * [INFO] Translating Switch with " << m_Children.size();
ostr << " children, " << m_Refs.size() << " references and ";
ostr << m_BackPointers.size() << " backpointers (total ";
ostr << m_Items.size() << " items)";
wxLogTrace( MASK_VRML, "%s\n", ostr.str().c_str() );
} while( 0 );
#endif
if( m_Items.empty() )
return NULL;
if( whichChild < 0 || whichChild >= (int)m_Items.size() )
return NULL;
if( sp == NULL )
{
m_current.Init();
sp = &m_current;
}
std::list< WRL1NODE* >::iterator ip = m_Items.begin();
std::advance( ip, whichChild );
IFSG_TRANSFORM txNode( aParent );
SGNODE* np = (*ip)->TranslateToSG( aParent, sp );
return np;
}