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Work in progress: VRML2 parser

This commit is contained in:
Cirilo Bernardo 2015-12-22 17:02:33 +11:00
parent 07bd4cbc04
commit e08c0de68f
9 changed files with 629 additions and 181 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
plugins/3d/vrml/CMakeLists.txt
View File

@ -5,6 +5,7 @@ add_library( s3d_plugin_vrml MODULE
v2/wrlproc.cpp
v2/vrml2_node.cpp
v2/vrml2_base.cpp
v2/vrml2_transform.cpp
)
target_link_libraries( s3d_plugin_vrml kicad_3dsg ${OPENGL_LIBRARIES} ${wxWidgets_LIBRARIES} )

247
plugins/3d/vrml/v2/vrml2_base.cpp
View File

@ -24,7 +24,7 @@
#include <iostream>
#include "vrml2_base.h"
#include "vrml2_helpers.h"
#include "vrml2_transform.h"
WRL2BASE::WRL2BASE() : WRL2NODE()
@ -36,17 +36,6 @@ WRL2BASE::WRL2BASE() : WRL2NODE()
WRL2BASE::~WRL2BASE()
{
std::list< WRL2NODE* >::iterator sC = m_Children.begin();
std::list< WRL2NODE* >::iterator eC = m_Children.end();
while( sC != eC )
{
(*sC)->SetParent( NULL );
delete (*sC);
++sC;
}
m_Children.clear();
return;
}
@ -63,70 +52,18 @@ bool WRL2BASE::SetParent( WRL2NODE* aParent )
}
WRL2NODE* WRL2BASE::FindNode( const std::string& aNodeName, const WRL2NODE *aCaller )
{
if( aNodeName.empty() )
return NULL;
if( !m_Name.compare( aNodeName ) )
return this;
FIND_NODE( aNodeName, m_Children, this );
return NULL;
}
bool WRL2BASE::AddRefNode( WRL2NODE* aNode )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] attempting to add reference node to WRL2BASE\n";
#endif
return false;
}
bool WRL2BASE::AddChildNode( WRL2NODE* aNode )
{
if( aNode->GetNodeType() == WRL2_BASE )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] attempting to add a base node to another base node\n";
#endif
return false;
}
std::list< WRL2NODE* >::iterator sC = m_Children.begin();
std::list< WRL2NODE* >::iterator eC = m_Children.end();
while( sC != eC )
{
if( *sC == aNode )
return false;
}
aNode->SetParent( this );
m_Children.push_back( aNode );
return true;
}
const char* WRL2BASE::GetName( void )
std::string WRL2BASE::GetName( void )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] attempting to extract name from virtual base node\n";
#endif
return NULL;
return NULL;
return std::string( "" );
}
bool WRL2BASE::SetName(const char *aName)
bool WRL2BASE::SetName( const std::string& aName )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
@ -180,7 +117,7 @@ bool WRL2BASE::Read( WRLPROC& proc )
WRL2NODE* node = NULL;
while( !readNode( proc, this, node ) );
while( !ReadNode( proc, this, &node ) );
if( proc.eof() )
return true;
@ -195,8 +132,18 @@ bool WRL2BASE::isDangling( void )
}
bool WRL2BASE::implementUse( WRLPROC& proc, WRL2NODE* aParent )
bool WRL2BASE::implementUse( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] invalid node handle (NULL)\n";
#endif
return false;
}
if( !aParent )
{
#ifdef DEBUG
@ -207,6 +154,7 @@ bool WRL2BASE::implementUse( WRLPROC& proc, WRL2NODE* aParent )
return false;
}
*aNode = NULL;
std::string glob;
if( !proc.ReadName( glob ) )
@ -244,18 +192,72 @@ bool WRL2BASE::implementUse( WRLPROC& proc, WRL2NODE* aParent )
return false;
}
*aNode = ref;
return true;
}
bool WRL2BASE::implementDef( WRLPROC& proc, WRL2NODE* aParent )
{
// XXX - TO BE IMPLEMENTED
return false;
}
bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
bool WRL2BASE::implementDef( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] invalid node handle (NULL)\n";
#endif
return false;
}
if( NULL == aParent )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] invalid parent pointer (NULL)\n";
#endif
return false;
}
*aNode = NULL;
std::string glob;
if( !proc.ReadName( glob ) )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << proc.GetError() << "\n";
#endif
return false;
}
size_t line, column;
proc.GetFilePosData( line, column );
if( ReadNode( proc, aParent, aNode ) )
{
if( *aNode && !(*aNode)->SetName( glob ) )
{
#ifdef DEBUG
size_t line, column;
proc.GetFilePosData( line, column );
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [INFO] bad formatting (invalid name) at line";
std::cerr << line << ", column " << column << "\n";
#endif
return false;
}
}
return true;
}
bool WRL2BASE::ReadNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
{
if( NULL == aNode )
{
@ -280,7 +282,6 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
*aNode = NULL;
std::string glob;
bool hasComma = false;
WRL2NODES ntype;
if( !proc.ReadName( glob ) )
@ -305,7 +306,7 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
// a typical pattern.
if( !glob.compare( "USE" ) )
{
if( !implementUse( aParent ) )
if( !implementUse( proc, aParent, aNode ) )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
@ -320,8 +321,17 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
if( !glob.compare( "DEF" ) )
{
// XXX - implement
implementDef( aParent );
if( !implementDef( proc, aParent, aNode ) )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << proc.GetError() << "\n";
#endif
return false;
}
return true;
}
if( !glob.compare( "PROTO" ) )
@ -370,6 +380,8 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
}
ntype = getNodeTypeID( glob );
size_t line = 0;
size_t column = 0;
switch( ntype )
{
@ -377,47 +389,63 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
// items to be implemented:
//
case WRL2_APPEARANCE:
// note:
// XXX - IMPLEMENT
break;
case WRL2_BOX:
// XXX - IMPLEMENT
break;
case WRL2_COLOR:
// XXX - IMPLEMENT
break;
case WRL2_CONE:
// XXX - IMPLEMENT
break;
case WRL2_COORDINATE:
// XXX - IMPLEMENT
break;
case WRL2_CYLINDER:
// XXX - IMPLEMENT
break;
case WRL2_ELEVATIONGRID:
// XXX - IMPLEMENT
break;
case WRL2_EXTRUSION:
// XXX - IMPLEMENT
break;
case WRL2_INDEXEDFACESET:
// XXX - IMPLEMENT
break;
case WRL2_MATERIAL:
// XXX - IMPLEMENT
break;
case WRL2_NORMAL:
// XXX - IMPLEMENT
break;
case WRL2_SHAPE:
// XXX - IMPLEMENT
break;
case WRL2_SPHERE:
// XXX - IMPLEMENT
break;
case WRL2_TRANSFORM:
case WRL2_GROUP:
if( !readTransform( proc, aParent, aNode ) )
return false;
break;
//
@ -463,10 +491,57 @@ bool WRL2BASE::readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
case WRL2_VISIBILITYSENSOR:
case WRL2_WORLDINFO:
case WRL2_INVALID:
default: // any nodes which may have been defined via PROTO/EXTERNPROTO
default:
proc.GetFilePosData( line, column );
if( !proc.DiscardNode() )
{
#ifdef DEBUG
std::cerr << proc.GetError() << "\n";
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [INFO] could not discard node at line " << line;
std::cerr << ", column " << column << "\n";
#endif
return false;
}
break;
}
// XXX - TO BE IMPLEMENTED
return NULL;
return true;
}
bool WRL2BASE::readTransform( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode )
{
if( NULL != aNode )
*aNode = NULL;
WRL2TRANSFORM* np = new WRL2TRANSFORM( aParent );
if( !np->Read( proc, this ) )
{
delete np;
return false;
}
if( NULL != aNode )
*aNode = (WRL2NODE*) np;
return true;
}
bool WRL2BASE::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
// this function makes no sense in the base node
#ifdef DEBUG
std::cerr << proc.GetError() << "\n";
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] this method must never be invoked on a WR2BASE object\n";
#endif
return false;
}

30
plugins/3d/vrml/v2/vrml2_base.h
View File

@ -48,11 +48,6 @@
#include "vrml2_node.h"
// BUG: there are no referenced nodes; however it is indeed
// possible for the BASE node to have reference nodes, for example:
// DEF BLAH Transform{}
// USE BLAH
// The code must be adjusted to respond to unlink requests and addNodeRef requests
/**
* Class WRL2BASE
@ -60,9 +55,6 @@
*/
class WRL2BASE : public WRL2NODE
{
protected:
std::list< WRL2NODE* > m_Children; // nodes owned by this node
public:
// functions inherited from WRL2NODE
@ -71,26 +63,28 @@ public:
bool isDangling( void );
// handle cases of USE / DEF
bool implementUse( WRLPROC& proc, WRL2NODE* aParent );
bool implementDef( WRLPROC& proc, WRL2NODE* aParent );
bool implementUse( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode );
bool implementDef( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode );
// read in a VRML node
bool readNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode );
bool readTransform( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode );
public:
WRL2BASE();
virtual ~WRL2BASE();
// function to read entire VRML file
bool Read( WRLPROC& proc );
// read in a VRML node
bool ReadNode( WRLPROC& proc, WRL2NODE* aParent, WRL2NODE** aNode );
// overrides
virtual const char* GetName( void );
virtual bool SetName(const char *aName);
virtual std::string GetName( void );
virtual bool SetName( const std::string& aName );
// functions inherited from WRL2NODE
bool Read( WRLPROC& proc );
bool Read( WRLPROC& proc, WRL2BASE* aTopNode );
bool SetParent( WRL2NODE* aParent );
WRL2NODE* FindNode( const std::string& aNodeName, const WRL2NODE *aCaller );
bool AddRefNode( WRL2NODE* aNode );
bool AddChildNode( WRL2NODE* aNode );
};
#endif // VRML2_BASE_H

125
plugins/3d/vrml/v2/vrml2_node.cpp
View File

@ -29,8 +29,9 @@
#include <cctype>
#include <iostream>
#include <algorithm>
#include "vrml2_node.h"
#include "vrml2_node.h"
#include "vrml2_helpers.h"
static std::set< std::string > badNames;
@ -139,6 +140,18 @@ WRL2NODE::~WRL2NODE()
++sBP;
}
m_Refs.clear();
std::list< WRL2NODE* >::iterator sC = m_Children.begin();
std::list< WRL2NODE* >::iterator eC = m_Children.end();
while( sC != eC )
{
(*sC)->SetParent( NULL );
delete (*sC);
++sC;
}
m_Children.clear();
return;
}
@ -189,20 +202,14 @@ WRL2NODE* WRL2NODE::GetParent( void )
}
const char* WRL2NODE::GetName( void )
std::string WRL2NODE::GetName( void )
{
return m_Name.c_str();
return m_Name;
}
bool WRL2NODE::SetName(const char *aName)
bool WRL2NODE::SetName( const std::string& aName )
{
if( NULL == aName || '\0' == aName[0] )
{
m_Name.clear();
return true;
}
std::set< std::string >::iterator item = badNames.find( aName );
if( item != badNames.end() )
@ -224,12 +231,11 @@ bool WRL2NODE::SetName(const char *aName)
return false;
}
std::string tmpstr( aName );
#define BAD_CHARS1 "\"\'#+,-.\\[]{}\x00\x01\x02\x03\x04\x05\x06\x09\x0A\x0B\x0C\x0D\x0E\x0F"
#define BAD_CHARS2 "\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"
if( std::string::npos != tmpstr.find_first_of( BAD_CHARS1 )
|| std::string::npos != tmpstr.find_first_of( BAD_CHARS2 ) )
if( std::string::npos != aName.find_first_of( BAD_CHARS1 )
|| std::string::npos != aName.find_first_of( BAD_CHARS2 ) )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
@ -272,3 +278,96 @@ std::string WRL2NODE::GetError( void )
{
return m_error;
}
WRL2NODE* WRL2NODE::FindNode( const std::string& aNodeName, const WRL2NODE *aCaller )
{
if( aNodeName.empty() )
return NULL;
if( !m_Name.compare( aNodeName ) )
return this;
FIND_NODE( aNodeName, m_Children, this );
return NULL;
}
bool WRL2NODE::SetParent( WRL2NODE* aParent )
{
if( aParent == m_Parent )
return true;
if( NULL != m_Parent )
m_Parent->unlinkChildNode( this );
m_Parent = aParent;
if( NULL != m_Parent )
m_Parent->AddChildNode( this );
return true;
}
bool WRL2NODE::AddChildNode( WRL2NODE* aNode )
{
if( aNode->GetNodeType() == WRL2_BASE )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] attempting to add a base node to another node\n";
#endif
return false;
}
std::list< WRL2NODE* >::iterator sC = m_Children.begin();
std::list< WRL2NODE* >::iterator eC = m_Children.end();
while( sC != eC )
{
if( *sC == aNode )
return false;
}
aNode->SetParent( this );
m_Children.push_back( aNode );
return true;
}
bool WRL2NODE::AddRefNode( WRL2NODE* aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] NULL passed as node pointer\n";
#endif
return false;
}
if( aNode->GetNodeType() == WRL2_BASE )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] attempting to add a base node ref to another base node\n";
#endif
return false;
}
std::list< WRL2NODE* >::iterator sR = m_Refs.begin();
std::list< WRL2NODE* >::iterator eR = m_Refs.end();
while( sR != eR )
{
if( *sR == aNode )
return false;
}
m_Refs.push_back( aNode );
return true;
}

17
plugins/3d/vrml/v2/vrml2_node.h
View File

@ -48,6 +48,7 @@
#include "wrlproc.h"
class WRL2BASE;
/**
* Class WRL2NODE
@ -61,6 +62,8 @@ protected:
std::string m_Name; // name to use for referencing the node by name
std::list< WRL2NODE* > m_BackPointers; // nodes which hold a reference to this
std::list< WRL2NODE* > m_Children; // nodes owned by this node
std::list< WRL2NODE* > m_Refs; // nodes referenced by this node
std::string m_error;
public:
@ -122,7 +125,7 @@ public:
virtual ~WRL2NODE();
// read data via the given file processor
virtual bool Read( WRLPROC& proc ) = 0;
virtual bool Read( WRLPROC& proc, WRL2BASE* aTopNode ) = 0;
/**
* Function GetNodeType
@ -146,10 +149,10 @@ public:
* the given node is not allowed to be a parent to
* the derived object.
*/
virtual bool SetParent( WRL2NODE* aParent ) = 0;
virtual bool SetParent( WRL2NODE* aParent );
virtual const char* GetName( void );
virtual bool SetName(const char *aName);
virtual std::string GetName( void );
virtual bool SetName( const std::string& aName );
const char* GetNodeTypeName( WRL2NODES aNodeType ) const;
@ -162,11 +165,11 @@ public:
* @param aCaller is a pointer to the node invoking this function
* @return is a valid node pointer on success, otherwise NULL
*/
virtual WRL2NODE* FindNode( const std::string& aNodeName, const WRL2NODE *aCaller ) = 0;
virtual WRL2NODE* FindNode( const std::string& aNodeName, const WRL2NODE *aCaller );
virtual bool AddRefNode( WRL2NODE* aNode ) = 0;
bool AddChildNode( WRL2NODE* aNode );
virtual bool AddChildNode( WRL2NODE* aNode ) = 0;
virtual bool AddRefNode( WRL2NODE* aNode );
std::string GetError( void );
};

159
plugins/3d/vrml/v2/vrml2_transform.cpp Normal file
View File

@ -0,0 +1,159 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 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 "vrml2_transform.h"
WRL2TRANSFORM::WRL2TRANSFORM() : WRL2NODE()
{
m_Type = WRL2_TRANSFORM;
return;
}
WRL2TRANSFORM::WRL2TRANSFORM( WRL2NODE* aParent ) : WRL2NODE()
{
m_Type = WRL2_TRANSFORM;
m_Parent = aParent;
return;
}
WRL2TRANSFORM::~WRL2TRANSFORM()
{
return;
}
void WRL2TRANSFORM::unlinkChildNode( const WRL2NODE* aNode )
{
// XXX - TO BE IMPLEMENTED
}
void WRL2TRANSFORM::unlinkRefNode( const WRL2NODE* aNode )
{
// XXX - TO BE IMPLEMENTED
}
bool WRL2TRANSFORM::isDangling( void )
{
// XXX - TO BE IMPLEMENTED
return false;
}
// functions inherited from WRL2NODE
bool WRL2TRANSFORM::Read( WRLPROC& proc, WRL2BASE* aTopNode )
{
/*
* Structure of a Transform node (p.120):
*
* Transform {
* eventIn MFNode addChildren
* eventIn MFNode removeChildren
* exposedField SFVec3f center 0 0 0
* exposedField MFNode children []
* exposedField SFRotation rotation 0 0 1 0
* exposedField SFVec3f scale 1 1 1
* exposedField SFRotation ScaleOrientation 0 0 1 0
* exposedField SFVec3f translation 0 0 0
* field SFVec3f bboxCenter 0 0 0
* field SFVec3f bboxSize 0 0 0
* }
*/
// XXX - TO BE IMPLEMENTED
// XXX - at the moment this is half-assed code; it needs to be checked and expanded
size_t line, column;
proc.GetFilePosData( line, column );
char tok = proc.Peek();
if( '\0' != tok )
proc.GetFilePosData( line, column );
if( '{' != tok )
{
#ifdef DEBUG
std::cerr << proc.GetError() << "\n";
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [INFO] bad file format; expecting '{' but got '" << tok;
std::cerr << "' at line " << line << ", column " << column << "\n";
#endif
return false;
}
proc.Pop();
std::string glob;
while( true )
{
if( proc.Peek() == '}' )
if( !proc.ReadName( glob ) )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << proc.GetError() << "\n";
#endif
return false;
}
}
// XXX - TO BE IMPLEMENTED
return false;
}
bool WRL2TRANSFORM::AddRefNode( WRL2NODE* aNode )
{
if( NULL == aNode )
{
#ifdef DEBUG
std::cerr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
std::cerr << " * [BUG] NULL passed as node pointer\n";
#endif
return false;
}
if( !WRL2NODE::AddRefNode( aNode ) )
return false;
// take possession if the node is dangling WRL2_SHAPE
if( WRL2_SHAPE == aNode->GetNodeType() && aNode->isDangling() )
{
WRL2NODE* np = aNode->GetParent();
if( NULL != np )
aNode->SetParent( this );
}
return true;
}

59
plugins/3d/vrml/v2/vrml2_transform.h Normal file
View File

@ -0,0 +1,59 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 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
*/
/**
* @file vrml2_transform.h
*/
#ifndef VRML2_TRANSFORM_H
#define VRML2_TRANSFORM_H
#include <list>
#include <string>
#include "vrml2_base.h"
/**
* Class WRL2TRANSFORM
*/
class WRL2TRANSFORM : public WRL2NODE
{
public:
// functions inherited from WRL2NODE
void unlinkChildNode( const WRL2NODE* aNode );
void unlinkRefNode( const WRL2NODE* aNode );
bool isDangling( void );
public:
WRL2TRANSFORM();
WRL2TRANSFORM( WRL2NODE* aNode );
virtual ~WRL2TRANSFORM();
// functions inherited from WRL2NODE
bool Read( WRLPROC& proc, WRL2BASE* aTopNode );
bool AddRefNode( WRL2NODE* aNode );
};
#endif // VRML2_TRANSFORM_H

150
plugins/3d/vrml/v2/wrlproc.cpp
View File

@ -192,7 +192,7 @@ bool WRLPROC::getRawLine( void )
}
bool WRLPROC::eatSpace( void )
bool WRLPROC::EatSpace( void )
{
if( m_linepos >= m_buf.size() )
m_buf.clear();
@ -240,7 +240,7 @@ bool WRLPROC::ReadGlob( std::string& aGlob, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -278,7 +278,7 @@ bool WRLPROC::ReadName( std::string& aName )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -333,7 +333,7 @@ bool WRLPROC::ReadName( std::string& aName )
bool WRLPROC::DiscardNode( void )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -365,7 +365,7 @@ bool WRLPROC::DiscardNode( void )
while( lvl > 0 )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -448,7 +448,7 @@ bool WRLPROC::DiscardNode( void )
bool WRLPROC::DiscardList( void )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -480,7 +480,7 @@ bool WRLPROC::DiscardList( void )
while( lvl > 0 )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -572,7 +572,7 @@ bool WRLPROC::ReadString( std::string& aSFString )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << "invalid VRML file; expecting string at line " << ifline << " but found nothing";
@ -671,7 +671,7 @@ bool WRLPROC::ReadString( std::string& aSFString )
bool WRLPROC::ReadSFBool( bool& aSFBool )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
size_t fileline = m_fileline;
@ -752,7 +752,7 @@ bool WRLPROC::ReadSFFloat( float& aSFFloat, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -817,7 +817,7 @@ bool WRLPROC::ReadSFInt( int& aSFInt32, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -894,7 +894,7 @@ bool WRLPROC::ReadSFRotation( WRLROTATION& aSFRotation, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -984,7 +984,7 @@ bool WRLPROC::ReadSFVec2f( WRLVEC2F& aSFVec2f, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1073,7 +1073,7 @@ bool WRLPROC::ReadSFVec3f( WRLVEC3F& aSFVec3f, bool* hasComma )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1157,7 +1157,7 @@ bool WRLPROC::ReadMFString( std::vector< std::string >& aMFString )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1184,7 +1184,7 @@ bool WRLPROC::ReadMFString( std::vector< std::string >& aMFString )
return false;
}
if( m_linepos >= m_buf.size() && !eatSpace() )
if( m_linepos >= m_buf.size() && !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1231,7 +1231,7 @@ bool WRLPROC::ReadMFString( std::vector< std::string >& aMFString )
return false;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1249,7 +1249,7 @@ bool WRLPROC::ReadMFString( std::vector< std::string >& aMFString )
aMFString.push_back( lstr );
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1283,7 +1283,7 @@ bool WRLPROC::ReadMFColor( std::vector< WRLVEC3F >& aMFColor )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1310,7 +1310,7 @@ bool WRLPROC::ReadMFColor( std::vector< WRLVEC3F >& aMFColor )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1348,7 +1348,7 @@ bool WRLPROC::ReadMFColor( std::vector< WRLVEC3F >& aMFColor )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1371,7 +1371,7 @@ bool WRLPROC::ReadMFColor( std::vector< WRLVEC3F >& aMFColor )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1391,7 +1391,7 @@ bool WRLPROC::ReadMFColor( std::vector< WRLVEC3F >& aMFColor )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1437,7 +1437,7 @@ bool WRLPROC::ReadMFFloat( std::vector< float >& aMFFloat )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1464,7 +1464,7 @@ bool WRLPROC::ReadMFFloat( std::vector< float >& aMFFloat )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1502,7 +1502,7 @@ bool WRLPROC::ReadMFFloat( std::vector< float >& aMFFloat )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1525,7 +1525,7 @@ bool WRLPROC::ReadMFFloat( std::vector< float >& aMFFloat )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1535,7 +1535,7 @@ bool WRLPROC::ReadMFFloat( std::vector< float >& aMFFloat )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1581,7 +1581,7 @@ bool WRLPROC::ReadMFInt( std::vector< int >& aMFInt32 )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1608,7 +1608,7 @@ bool WRLPROC::ReadMFInt( std::vector< int >& aMFInt32 )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1646,7 +1646,7 @@ bool WRLPROC::ReadMFInt( std::vector< int >& aMFInt32 )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1669,7 +1669,7 @@ bool WRLPROC::ReadMFInt( std::vector< int >& aMFInt32 )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1679,7 +1679,7 @@ bool WRLPROC::ReadMFInt( std::vector< int >& aMFInt32 )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1725,7 +1725,7 @@ bool WRLPROC::ReadMFRotation( std::vector< WRLROTATION >& aMFRotation )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1752,7 +1752,7 @@ bool WRLPROC::ReadMFRotation( std::vector< WRLROTATION >& aMFRotation )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1790,7 +1790,7 @@ bool WRLPROC::ReadMFRotation( std::vector< WRLROTATION >& aMFRotation )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1813,7 +1813,7 @@ bool WRLPROC::ReadMFRotation( std::vector< WRLROTATION >& aMFRotation )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1823,7 +1823,7 @@ bool WRLPROC::ReadMFRotation( std::vector< WRLROTATION >& aMFRotation )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1869,7 +1869,7 @@ bool WRLPROC::ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -1896,7 +1896,7 @@ bool WRLPROC::ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -1934,7 +1934,7 @@ bool WRLPROC::ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1957,7 +1957,7 @@ bool WRLPROC::ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -1967,7 +1967,7 @@ bool WRLPROC::ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -2013,7 +2013,7 @@ bool WRLPROC::ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
// if the text is the start of a comment block, clear the buffer and loop
@ -2040,7 +2040,7 @@ bool WRLPROC::ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -2078,7 +2078,7 @@ bool WRLPROC::ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f )
while( true )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -2101,7 +2101,7 @@ bool WRLPROC::ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f )
if( !lcomma )
{
if( !eatSpace() )
if( !EatSpace() )
return false;
if( ']' == m_buf[m_linepos] )
@ -2111,7 +2111,7 @@ bool WRLPROC::ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f )
lcomma = true;
}
if( !eatSpace() )
if( !EatSpace() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
@ -2159,3 +2159,57 @@ std::string WRLPROC::GetError( void )
{
return m_error;
}
bool WRLPROC::GetFilePosData( size_t& line, size_t& column )
{
if( !m_file.is_open() )
{
line = 0;
column = 0;
return false;
}
line = m_fileline;
column = m_linepos;
return true;
}
char WRLPROC::Peek( void )
{
if( !m_file.is_open() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
ostr << " * [BUG] no open file";
m_error = ostr.str();
return '\0';
}
if( !EatSpace() )
{
if( m_error.empty() )
{
std::ostringstream ostr;
ostr << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << "\n";
ostr << " * [INFO] failed to read data from file\n";
m_error = ostr.str();
}
return false;
}
return m_buf[m_linepos];
}
void WRLPROC::Pop( void )
{
if( m_linepos < m_buf.size() )
++m_linepos;
return;
}

16
plugins/3d/vrml/v2/wrlproc.h
View File

@ -56,11 +56,6 @@ private:
// parameters are updated as appropriate.
bool getRawLine( void );
// eatSpace discards all leading white space from the current m_linepos
// and continues until a non-empty line is found which contains non-blank
// characters
bool eatSpace( void );
public:
WRLPROC();
~WRLPROC();
@ -72,9 +67,18 @@ public:
// return the VRML Version
WRLVERSION GetVRMLType( void );
std::string GetError( void );
// helper routines
std::string GetError( void );
bool GetFilePosData( size_t& line, size_t& column );
// eatSpace discards all leading white space from the current m_linepos
// and continues until a non-empty line is found which contains non-blank
// characters
bool EatSpace( void );
// Peek returns the next non-white char in the file or '\0' on failure
char Peek( void );
// Pop removes the current char from the buffer
void Pop( void );
// read up to the next whitespace or comma
bool ReadGlob( std::string& aGlob, bool* hasComma = NULL );