/src/gpac/src/scenegraph/vrml_tools.c

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/*
 *      GPAC - Multimedia Framework C SDK
 *
 *      Authors: Jean Le Feuvre
 *      Copyright (c) Telecom ParisTech 2000-2023
 *          All rights reserved
 *
 *  This file is part of GPAC / Scene Graph sub-project
 *
 *  GPAC is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  GPAC 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <gpac/internal/scenegraph_dev.h>

/*MPEG4 & X3D tags (for node tables & script handling)*/
#include <gpac/nodes_mpeg4.h>
#include <gpac/nodes_x3d.h>


#ifndef GPAC_DISABLE_VRML
#include <gpac/internal/bifs_dev.h>


GF_EXPORT
Bool gf_node_in_table_by_tag(u32 tag, u32 NDTType)
{
  if (!tag) return 0;
  if (tag==TAG_ProtoNode) return 1;
  else if (tag<=GF_NODE_RANGE_LAST_MPEG4) {
#ifndef GPAC_DISABLE_BIFS
    u32 i;
    for (i=0; i<GF_BIFS_LAST_VERSION; i++) {
      if (gf_bifs_get_node_type(NDTType, tag, i+1)) return 1;
    }
    return 0;
#else
    /*if BIFS is disabled, we don't have the NDTs - we therefore allow any node in any table otherwise we would reject
    them all*/
    return 1;
#endif

  }
#ifndef GPAC_DISABLE_X3D
  else if (tag<=GF_NODE_RANGE_LAST_X3D) {
    return gf_x3d_get_node_type(NDTType, tag);
  }
#endif
  return 0;
}


static void Node_on_add_children(GF_Node *node, GF_Route *route)
{
  GF_ChildNodeItem *list;
  GF_FieldInfo field;
  GF_VRMLParent *n = (GF_VRMLParent *)node;

  if (n->children) {
    list = n->children;
    while (list->next) list = list->next;
    list->next = n->addChildren;
  } else {
    n->children = n->addChildren;
  }
  n->addChildren = NULL;

  /*signal children field is modified*/
  field.name = "children";
  field.eventType = GF_SG_EVENT_EXPOSED_FIELD;
  field.fieldType = GF_SG_VRML_MFNODE;
  field.NDTtype = -1;
  if ( node->sgprivate->tag == TAG_MPEG4_Transform )
    field.fieldIndex = 3;
  else
    field.fieldIndex = 2;
  field.far_ptr = & n->children;
  gf_node_event_out(node, field.fieldIndex);
  gf_node_changed(node, &field);

  if (node->sgprivate->scenegraph->on_node_modified) {
    field.name = "addChildren";
    field.eventType = GF_SG_EVENT_IN;
    field.fieldType = GF_SG_VRML_MFNODE;
    field.NDTtype = -1;
    field.fieldIndex = 0;
    field.far_ptr = & n->addChildren;
    node->sgprivate->scenegraph->on_node_modified(node->sgprivate->scenegraph, node, &field, NULL);
  }
}

static void Node_on_remove_children(GF_Node *node, GF_Route *route)
{
  GF_ChildNodeItem *list;
  GF_FieldInfo field;
  GF_VRMLParent *n = (GF_VRMLParent *)node;

  if (!n->removeChildren) return;

  list = n->removeChildren;
  while (list) {
    if (gf_node_list_del_child(& n->children, list->node)) {
      gf_node_unregister(list->node, node);
    }
    list = list->next;
  }
  gf_node_unregister_children(node, n->removeChildren);
  n->removeChildren = NULL;

  /*signal children field is modified*/
  field.name = "children";
  field.eventType = GF_SG_EVENT_EXPOSED_FIELD;
  field.fieldType = GF_SG_VRML_MFNODE;
  field.NDTtype = -1;
  if ( node->sgprivate->tag == TAG_MPEG4_Transform )
    field.fieldIndex = 3;
  else
    field.fieldIndex = 2;
  field.far_ptr = & n->children;
  gf_node_event_out(node, field.fieldIndex);
  gf_node_changed(node, &field);


  if (node->sgprivate->scenegraph->on_node_modified) {
    field.name = "removeChildren";
    field.eventType = GF_SG_EVENT_IN;
    field.fieldType = GF_SG_VRML_MFNODE;
    field.NDTtype = -1;
    field.fieldIndex = 1;
    field.far_ptr = & n->removeChildren;
    node->sgprivate->scenegraph->on_node_modified(node->sgprivate->scenegraph, node, &field, NULL);
  }
}

void gf_sg_vrml_parent_setup(GF_Node *pNode)
{
  GF_VRMLParent *par = (GF_VRMLParent *)pNode;
  par->children = NULL;
  par->addChildren = NULL;
  par->on_addChildren = Node_on_add_children;
  par->removeChildren = NULL;
  par->on_removeChildren = Node_on_remove_children;
  pNode->sgprivate->flags |= GF_SG_CHILD_DIRTY;
}

void gf_sg_vrml_parent_destroy(GF_Node *pNode)
{
  GF_VRMLParent *par = (GF_VRMLParent *)pNode;
  gf_node_unregister_children(pNode, par->children);
  gf_node_unregister_children(pNode, par->addChildren);
  gf_node_unregister_children(pNode, par->removeChildren);
}

GF_EXPORT
GF_Err gf_sg_delete_all_protos(GF_SceneGraph *scene)
{
  if (!scene) return GF_BAD_PARAM;
  while (gf_list_count(scene->protos)) {
    GF_Proto *p = (GF_Proto *)gf_list_get(scene->protos, 0);
    gf_sg_proto_del(p);
  }
  return GF_OK;
}

GF_EXPORT
void gf_sg_set_proto_loader(GF_SceneGraph *scene, GF_SceneGraph *(*GetExternProtoLib)(void *SceneCallback, MFURL *lib_url))
{
  if (!scene) return;
  scene->GetExternProtoLib = GetExternProtoLib;
}

GF_EXPORT
u32 gf_sg_get_next_available_route_id(GF_SceneGraph *sg)
{
  u32 i, count;
  u32 ID = 0;

  if (!sg->max_defined_route_id) {
    count = gf_list_count(sg->Routes);
    /*routes are not sorted*/
    for (i=0; i<count; i++) {
      GF_Route *r = (GF_Route *)gf_list_get(sg->Routes, i);
      if (ID<=r->ID) ID = r->ID;
    }
    return ID+1;
  } else {
    sg->max_defined_route_id++;
    return sg->max_defined_route_id;
  }
}

GF_EXPORT
void gf_sg_set_max_defined_route_id(GF_SceneGraph *sg, u32 ID)
{
  sg->max_defined_route_id = MAX(sg->max_defined_route_id, ID);
}

GF_EXPORT
u32 gf_sg_get_next_available_proto_id(GF_SceneGraph *sg)
{
  u32 i, count;
  u32 ID = 0;
  count = gf_list_count(sg->protos);
  /*protos are not sorted*/
  for (i=0; i<count; i++) {
    GF_Proto *p = (GF_Proto *)gf_list_get(sg->protos, i);
    if (ID<=p->ID) ID = p->ID;
  }
  count = gf_list_count(sg->unregistered_protos);
  for (i=0; i<count; i++) {
    GF_Proto *p = (GF_Proto *)gf_list_get(sg->unregistered_protos, i);
    if (ID<=p->ID) ID = p->ID;
  }
  return ID+1;
}

//adds a child in the children list
GF_EXPORT
GF_Err gf_node_insert_child(GF_Node *parent, GF_Node *new_child, s32 Position)
{
  GF_ParentNode *node = (GF_ParentNode *) parent;
  if (Position == -1) {
    gf_node_list_add_child(& node->children, new_child);
  } else {
    gf_node_list_insert_child(& node->children, new_child, Position);
  }
  return GF_OK;
}

#if 0
GF_Err gf_node_remove_child(GF_Node *parent, GF_Node *toremove_child)
{
  if (!gf_node_list_del_child(& ((GF_ParentNode *) parent)->children, toremove_child)) return GF_BAD_PARAM;
  /*V4Studio doesn't handle DEF/USE properly yet...*/
  /*gf_node_unregister(toremove_child, parent);*/
  return GF_OK;
}
#endif

GF_EXPORT
void gf_sg_script_load(GF_Node *n)
{
  if (n && n->sgprivate->scenegraph->script_load) n->sgprivate->scenegraph->script_load(n);
}

GF_EXPORT
GF_Proto *gf_sg_find_proto(GF_SceneGraph *sg, u32 ProtoID, char *name)
{
  GF_Proto *proto;
  u32 i;

  gf_assert(sg);

  /*browse all top-level */
  i=0;
  while ((proto = (GF_Proto *)gf_list_enum(sg->protos, &i))) {
    /*first check on name if given, since parsers use this with ID=0*/
    if (name) {
      if (proto->Name && !stricmp(name, proto->Name)) return proto;
    } else if (proto->ID == ProtoID) return proto;
  }
  /*browse all top-level unregistered in reverse order*/
  for (i=gf_list_count(sg->unregistered_protos); i>0; i--) {
    proto = (GF_Proto *)gf_list_get(sg->unregistered_protos, i-1);
    if (name) {
      if (proto->Name && !stricmp(name, proto->Name)) return proto;
    } else if (proto->ID == ProtoID) return proto;
  }
  return NULL;
}



static SFBool *NewSFBool()
{
  SFBool *tmp = (SFBool *)gf_malloc(sizeof(SFBool));
  memset(tmp, 0, sizeof(SFBool));
  return tmp;
}
static SFFloat *NewSFFloat()
{
  SFFloat *tmp = (SFFloat *)gf_malloc(sizeof(SFFloat));
  memset(tmp, 0, sizeof(SFFloat));
  return tmp;
}
static SFDouble *NewSFDouble()
{
  SFDouble *tmp = (SFDouble *)gf_malloc(sizeof(SFDouble));
  memset(tmp, 0, sizeof(SFDouble));
  return tmp;
}
static SFTime *NewSFTime()
{
  SFTime *tmp = (SFTime *)gf_malloc(sizeof(SFTime));
  memset(tmp, 0, sizeof(SFTime));
  return tmp;
}
static SFInt32 *NewSFInt32()
{
  SFInt32 *tmp = (SFInt32 *)gf_malloc(sizeof(SFInt32));
  memset(tmp, 0, sizeof(SFInt32));
  return tmp;
}
static SFString *NewSFString()
{
  SFString *tmp = (SFString *)gf_malloc(sizeof(SFString));
  memset(tmp, 0, sizeof(SFString));
  return tmp;
}
static SFVec3f *NewSFVec3f()
{
  SFVec3f *tmp = (SFVec3f *)gf_malloc(sizeof(SFVec3f));
  memset(tmp, 0, sizeof(SFVec3f));
  return tmp;
}
static SFVec3d *NewSFVec3d()
{
  SFVec3d *tmp = (SFVec3d *)gf_malloc(sizeof(SFVec3d));
  memset(tmp, 0, sizeof(SFVec3d));
  return tmp;
}
static SFVec2f *NewSFVec2f()
{
  SFVec2f *tmp = (SFVec2f *)gf_malloc(sizeof(SFVec2f));
  memset(tmp, 0, sizeof(SFVec2f));
  return tmp;
}
static SFVec2d *NewSFVec2d()
{
  SFVec2d *tmp = (SFVec2d *)gf_malloc(sizeof(SFVec2d));
  memset(tmp, 0, sizeof(SFVec2d));
  return tmp;
}
static SFColor *NewSFColor()
{
  SFColor *tmp = (SFColor *)gf_malloc(sizeof(SFColor));
  memset(tmp, 0, sizeof(SFColor));
  return tmp;
}
static SFColorRGBA *NewSFColorRGBA()
{
  SFColorRGBA *tmp = (SFColorRGBA *)gf_malloc(sizeof(SFColorRGBA));
  memset(tmp, 0, sizeof(SFColorRGBA));
  return tmp;
}
static SFRotation *NewSFRotation()
{
  SFRotation *tmp = (SFRotation *)gf_malloc(sizeof(SFRotation));
  memset(tmp, 0, sizeof(SFRotation));
  return tmp;
}
static SFImage *NewSFImage()
{
  SFImage *tmp = (SFImage *)gf_malloc(sizeof(SFImage));
  memset(tmp, 0, sizeof(SFImage));
  return tmp;
}
static SFURL *NewSFURL()
{
  SFURL *tmp = (SFURL *)gf_malloc(sizeof(SFURL));
  memset(tmp, 0, sizeof(SFURL));
  return tmp;
}
static SFCommandBuffer *NewSFCommandBuffer()
{
  SFCommandBuffer *tmp = (SFCommandBuffer *)gf_malloc(sizeof(SFCommandBuffer));
  memset(tmp, 0, sizeof(SFCommandBuffer));
  tmp->commandList = gf_list_new();
  return tmp;
}
static SFScript *NewSFScript()
{
  SFScript *tmp = (SFScript *)gf_malloc(sizeof(SFScript));
  memset(tmp, 0, sizeof(SFScript));
  return tmp;
}
static SFAttrRef *NewSFAttrRef()
{
  SFAttrRef *tmp;
  GF_SAFEALLOC(tmp, SFAttrRef);
  return tmp;
}
static MFBool *NewMFBool()
{
  MFBool *tmp = (MFBool *)gf_malloc(sizeof(MFBool));
  memset(tmp, 0, sizeof(MFBool));
  return tmp;
}
static MFFloat *NewMFFloat()
{
  MFFloat *tmp = (MFFloat *)gf_malloc(sizeof(MFFloat));
  memset(tmp, 0, sizeof(MFFloat));
  return tmp;
}
static MFTime *NewMFTime()
{
  MFTime *tmp = (MFTime *)gf_malloc(sizeof(MFTime));
  memset(tmp, 0, sizeof(MFTime));
  return tmp;
}
static MFInt32 *NewMFInt32()
{
  MFInt32 *tmp = (MFInt32 *)gf_malloc(sizeof(MFInt32));
  memset(tmp, 0, sizeof(MFInt32));
  return tmp;
}
static MFString *NewMFString()
{
  MFString *tmp = (MFString *)gf_malloc(sizeof(MFString));
  memset(tmp, 0, sizeof(MFString));
  return tmp;
}
static MFVec3f *NewMFVec3f()
{
  MFVec3f *tmp = (MFVec3f *)gf_malloc(sizeof(MFVec3f));
  memset(tmp, 0, sizeof(MFVec3f));
  return tmp;
}
static MFVec3d *NewMFVec3d()
{
  MFVec3d *tmp = (MFVec3d *)gf_malloc(sizeof(MFVec3d));
  memset(tmp, 0, sizeof(MFVec3d));
  return tmp;
}
static MFVec2f *NewMFVec2f()
{
  MFVec2f *tmp = (MFVec2f *)gf_malloc(sizeof(MFVec2f));
  memset(tmp, 0, sizeof(MFVec2f));
  return tmp;
}
static MFVec2d *NewMFVec2d()
{
  MFVec2d *tmp = (MFVec2d *)gf_malloc(sizeof(MFVec2d));
  memset(tmp, 0, sizeof(MFVec2d));
  return tmp;
}
static MFColor *NewMFColor()
{
  MFColor *tmp = (MFColor *)gf_malloc(sizeof(MFColor));
  memset(tmp, 0, sizeof(MFColor));
  return tmp;
}
static MFColorRGBA *NewMFColorRGBA()
{
  MFColorRGBA *tmp = (MFColorRGBA *)gf_malloc(sizeof(MFColorRGBA));
  memset(tmp, 0, sizeof(MFColorRGBA));
  return tmp;
}
static MFRotation *NewMFRotation()
{
  MFRotation *tmp = (MFRotation *)gf_malloc(sizeof(MFRotation));
  memset(tmp, 0, sizeof(MFRotation));
  return tmp;
}
static MFURL *NewMFURL()
{
  MFURL *tmp = (MFURL *)gf_malloc(sizeof(MFURL));
  memset(tmp, 0, sizeof(MFURL));
  return tmp;
}
static MFScript *NewMFScript()
{
  MFScript *tmp = (MFScript *)gf_malloc(sizeof(MFScript));
  memset(tmp, 0, sizeof(MFScript));
  return tmp;
}
static MFAttrRef *NewMFAttrRef()
{
  MFAttrRef *tmp;
  GF_SAFEALLOC(tmp, MFAttrRef);
  return tmp;
}

GF_EXPORT
void *gf_sg_vrml_field_pointer_new(u32 FieldType)
{
  switch (FieldType) {
  case GF_SG_VRML_SFBOOL:
    return NewSFBool();
  case GF_SG_VRML_SFFLOAT:
    return NewSFFloat();
  case GF_SG_VRML_SFDOUBLE:
    return NewSFDouble();
  case GF_SG_VRML_SFTIME:
    return NewSFTime();
  case GF_SG_VRML_SFINT32:
    return NewSFInt32();
  case GF_SG_VRML_SFSTRING:
    return NewSFString();
  case GF_SG_VRML_SFVEC3F:
    return NewSFVec3f();
  case GF_SG_VRML_SFVEC2F:
    return NewSFVec2f();
  case GF_SG_VRML_SFVEC3D:
    return NewSFVec3d();
  case GF_SG_VRML_SFVEC2D:
    return NewSFVec2d();
  case GF_SG_VRML_SFCOLOR:
    return NewSFColor();
  case GF_SG_VRML_SFCOLORRGBA:
    return NewSFColorRGBA();
  case GF_SG_VRML_SFROTATION:
    return NewSFRotation();
  case GF_SG_VRML_SFIMAGE:
    return NewSFImage();
  case GF_SG_VRML_SFATTRREF:
    return NewSFAttrRef();
  case GF_SG_VRML_MFBOOL:
    return NewMFBool();
  case GF_SG_VRML_MFFLOAT:
    return NewMFFloat();
  case GF_SG_VRML_MFTIME:
    return NewMFTime();
  case GF_SG_VRML_MFINT32:
    return NewMFInt32();
  case GF_SG_VRML_MFSTRING:
    return NewMFString();
  case GF_SG_VRML_MFVEC3F:
    return NewMFVec3f();
  case GF_SG_VRML_MFVEC2F:
    return NewMFVec2f();
  case GF_SG_VRML_MFVEC3D:
    return NewMFVec3d();
  case GF_SG_VRML_MFVEC2D:
    return NewMFVec2d();
  case GF_SG_VRML_MFCOLOR:
    return NewMFColor();
  case GF_SG_VRML_MFCOLORRGBA:
    return NewMFColorRGBA();
  case GF_SG_VRML_MFROTATION:
  case GF_SG_VRML_MFVEC4F:
    return NewMFRotation();
  case GF_SG_VRML_MFATTRREF:
    return NewMFAttrRef();

  //used in commands
  case GF_SG_VRML_SFCOMMANDBUFFER:
    return NewSFCommandBuffer();

  case GF_SG_VRML_SFURL:
    return NewSFURL();
  case GF_SG_VRML_MFURL:
    return NewMFURL();

  case GF_SG_VRML_SFSCRIPT:
    return NewSFScript();
  case GF_SG_VRML_MFSCRIPT:
    return NewMFScript();
  }
  return NULL;
}

void gf_sg_mfint32_del(MFInt32 par) {
  gf_free(par.vals);
}
void gf_sg_mffloat_del(MFFloat par) {
  gf_free(par.vals);
}
void gf_sg_mfdouble_del(MFDouble par) {
  gf_free(par.vals);
}
void gf_sg_mfbool_del(MFBool par) {
  gf_free(par.vals);
}
void gf_sg_mfcolor_del(MFColor par) {
  gf_free(par.vals);
}
void gf_sg_mfcolorrgba_del(MFColorRGBA par) {
  gf_free(par.vals);
}
void gf_sg_mfrotation_del(MFRotation par) {
  gf_free(par.vals);
}
void gf_sg_mftime_del(MFTime par) {
  gf_free(par.vals);
}
void gf_sg_mfvec2f_del(MFVec2f par) {
  gf_free(par.vals);
}
void gf_sg_mfvec2d_del(MFVec2d par) {
  gf_free(par.vals);
}
void gf_sg_mfvec3f_del(MFVec3f par) {
  gf_free(par.vals);
}
void gf_sg_mfvec3d_del(MFVec3d par) {
  gf_free(par.vals);
}
void gf_sg_mfvec4f_del(MFVec4f par) {
  gf_free(par.vals);
}
void gf_sg_mfattrref_del(MFAttrRef par) {
  gf_free(par.vals);
}
void gf_sg_sfimage_del(SFImage im) {
  gf_free(im.pixels);
}
void gf_sg_sfstring_del(SFString par) {
  if (par.buffer) gf_free(par.buffer);
}

void gf_sg_sfcommand_del(SFCommandBuffer cb)
{
  u32 i;
  for (i=gf_list_count(cb.commandList); i>0; i--) {
    GF_Command *com = (GF_Command *)gf_list_get(cb.commandList, i-1);
    gf_sg_command_del(com);
  }
  gf_list_del(cb.commandList);
  if (cb.buffer) gf_free(cb.buffer);
}

GF_EXPORT
void gf_sg_vrml_field_pointer_del(void *field, u32 FieldType)
{
  GF_Node *node;

  switch (FieldType) {
  case GF_SG_VRML_SFBOOL:
  case GF_SG_VRML_SFFLOAT:
  case GF_SG_VRML_SFDOUBLE:
  case GF_SG_VRML_SFTIME:
  case GF_SG_VRML_SFINT32:
  case GF_SG_VRML_SFVEC3F:
  case GF_SG_VRML_SFVEC3D:
  case GF_SG_VRML_SFVEC2F:
  case GF_SG_VRML_SFVEC2D:
  case GF_SG_VRML_SFCOLOR:
  case GF_SG_VRML_SFCOLORRGBA:
  case GF_SG_VRML_SFROTATION:
  case GF_SG_VRML_SFATTRREF:
    break;
  case GF_SG_VRML_SFSTRING:
    if ( ((SFString *)field)->buffer) gf_free(((SFString *)field)->buffer);
    break;
  case GF_SG_VRML_SFIMAGE:
    gf_sg_sfimage_del(* ((SFImage *)field));
    break;

  case GF_SG_VRML_SFNODE:
    node = *(GF_Node **) field;
    if (node) gf_node_del(node);
    return;
  case GF_SG_VRML_SFCOMMANDBUFFER:
    gf_sg_sfcommand_del(*(SFCommandBuffer *)field);
    break;

  case GF_SG_VRML_MFBOOL:
    gf_sg_mfbool_del( * ((MFBool *) field));
    break;
  case GF_SG_VRML_MFFLOAT:
    gf_sg_mffloat_del( * ((MFFloat *) field));
    break;
  case GF_SG_VRML_MFDOUBLE:
    gf_sg_mfdouble_del( * ((MFDouble *) field));
    break;
  case GF_SG_VRML_MFTIME:
    gf_sg_mftime_del( * ((MFTime *)field));
    break;
  case GF_SG_VRML_MFINT32:
    gf_sg_mfint32_del( * ((MFInt32 *)field));
    break;
  case GF_SG_VRML_MFSTRING:
    gf_sg_mfstring_del( *((MFString *)field));
    break;
  case GF_SG_VRML_MFVEC3F:
    gf_sg_mfvec3f_del( * ((MFVec3f *)field));
    break;
  case GF_SG_VRML_MFVEC2F:
    gf_sg_mfvec2f_del( * ((MFVec2f *)field));
    break;
  case GF_SG_VRML_MFVEC3D:
    gf_sg_mfvec3d_del( * ((MFVec3d *)field));
    break;
  case GF_SG_VRML_MFVEC2D:
    gf_sg_mfvec2d_del( * ((MFVec2d *)field));
    break;
  case GF_SG_VRML_MFCOLOR:
    gf_sg_mfcolor_del( * ((MFColor *)field));
    break;
  case GF_SG_VRML_MFCOLORRGBA:
    gf_sg_mfcolorrgba_del( * ((MFColorRGBA *)field));
    break;
  case GF_SG_VRML_MFROTATION:
  case GF_SG_VRML_MFVEC4F:
    gf_sg_mfrotation_del( * ((MFRotation *)field));
    break;
  case GF_SG_VRML_SFURL:
    gf_sg_sfurl_del( * ((SFURL *) field));
    break;
  case GF_SG_VRML_MFURL:
    gf_sg_mfurl_del( * ((MFURL *) field));
    break;
  case GF_SG_VRML_MFATTRREF:
    gf_sg_mfattrref_del( * ((MFAttrRef *) field));
    break;
  //used only in proto since this field is created by default for regular nodes
  case GF_SG_VRML_MFNODE:
    gf_assert(0);
    return;
  case GF_SG_VRML_MFSCRIPT:
    gf_sg_mfscript_del( * ((MFScript *) field));
    break;
  case GF_SG_VRML_SFSCRIPT:
    break;

  default:
    gf_assert(0);
    return;
  }
  //free pointer
  gf_free(field);
}


/*********************************************************************
    MF Fields manipulation (alloc, gf_realloc, GetAt)
*********************************************************************/
GF_EXPORT
const char *gf_sg_vrml_get_event_type_name(u32 EventType, Bool forX3D)
{
  switch (EventType) {
  case GF_SG_EVENT_IN:
    return forX3D ? "inputOnly" : "eventIn";
  case GF_SG_EVENT_FIELD:
    return forX3D ? "initializeOnly" : "field";
  case GF_SG_EVENT_EXPOSED_FIELD:
    return forX3D ? "inputOutput" : "exposedField";
  case GF_SG_EVENT_OUT:
    return forX3D ? "outputOnly" : "eventOut";
  default:
    return "unknownEvent";
  }
}

GF_EXPORT
const char *gf_sg_vrml_get_field_type_name(u32 FieldType)
{

  switch (FieldType) {
  case GF_SG_VRML_SFBOOL:
    return "SFBool";
  case GF_SG_VRML_SFFLOAT:
    return "SFFloat";
  case GF_SG_VRML_SFDOUBLE:
    return "SFDouble";
  case GF_SG_VRML_SFTIME:
    return "SFTime";
  case GF_SG_VRML_SFINT32:
    return "SFInt32";
  case GF_SG_VRML_SFSTRING:
    return "SFString";
  case GF_SG_VRML_SFVEC3F:
    return "SFVec3f";
  case GF_SG_VRML_SFVEC2F:
    return "SFVec2f";
  case GF_SG_VRML_SFVEC3D:
    return "SFVec3d";
  case GF_SG_VRML_SFVEC2D:
    return "SFVec2d";
  case GF_SG_VRML_SFCOLOR:
    return "SFColor";
  case GF_SG_VRML_SFCOLORRGBA:
    return "SFColorRGBA";
  case GF_SG_VRML_SFROTATION:
    return "SFRotation";
  case GF_SG_VRML_SFIMAGE:
    return "SFImage";
  case GF_SG_VRML_SFNODE:
    return "SFNode";
  case GF_SG_VRML_SFVEC4F:
    return "SFVec4f";
  case GF_SG_VRML_SFATTRREF:
    return "SFAttrRef";
  case GF_SG_VRML_MFBOOL:
    return "MFBool";
  case GF_SG_VRML_MFFLOAT:
    return "MFFloat";
  case GF_SG_VRML_MFDOUBLE:
    return "MFDouble";
  case GF_SG_VRML_MFTIME:
    return "MFTime";
  case GF_SG_VRML_MFINT32:
    return "MFInt32";
  case GF_SG_VRML_MFSTRING:
    return "MFString";
  case GF_SG_VRML_MFVEC3F:
    return "MFVec3f";
  case GF_SG_VRML_MFVEC2F:
    return "MFVec2f";
  case GF_SG_VRML_MFVEC3D:
    return "MFVec3d";
  case GF_SG_VRML_MFVEC2D:
    return "MFVec2d";
  case GF_SG_VRML_MFCOLOR:
    return "MFColor";
  case GF_SG_VRML_MFCOLORRGBA:
    return "MFColorRGBA";
  case GF_SG_VRML_MFROTATION:
    return "MFRotation";
  case GF_SG_VRML_MFIMAGE:
    return "MFImage";
  case GF_SG_VRML_MFNODE:
    return "MFNode";
  case GF_SG_VRML_MFVEC4F:
    return "MFVec4f";
  case GF_SG_VRML_SFURL:
    return "SFURL";
  case GF_SG_VRML_MFURL:
    return "MFURL";
  case GF_SG_VRML_MFATTRREF:
    return "MFAttrRef";
  case GF_SG_VRML_SFCOMMANDBUFFER:
    return "SFCommandBuffer";
  case GF_SG_VRML_SFSCRIPT:
    return "SFScript";
  case GF_SG_VRML_MFSCRIPT:
    return "MFScript";
  default:
    return "UnknownType";
  }
}

u32 gf_sg_field_type_by_name(char *fieldType)
{
  if (!stricmp(fieldType, "SFBool")) return GF_SG_VRML_SFBOOL;
  else if (!stricmp(fieldType, "SFFloat")) return GF_SG_VRML_SFFLOAT;
  else if (!stricmp(fieldType, "SFDouble")) return GF_SG_VRML_SFDOUBLE;
  else if (!stricmp(fieldType, "SFTime")) return GF_SG_VRML_SFTIME;
  else if (!stricmp(fieldType, "SFInt32")) return GF_SG_VRML_SFINT32;
  else if (!stricmp(fieldType, "SFString")) return GF_SG_VRML_SFSTRING;
  else if (!stricmp(fieldType, "SFVec2f")) return GF_SG_VRML_SFVEC2F;
  else if (!stricmp(fieldType, "SFVec3f")) return GF_SG_VRML_SFVEC3F;
  else if (!stricmp(fieldType, "SFVec2d")) return GF_SG_VRML_SFVEC2D;
  else if (!stricmp(fieldType, "SFVec3d")) return GF_SG_VRML_SFVEC3D;
  else if (!stricmp(fieldType, "SFColor")) return GF_SG_VRML_SFCOLOR;
  else if (!stricmp(fieldType, "SFColorRGBA")) return GF_SG_VRML_SFCOLORRGBA;
  else if (!stricmp(fieldType, "SFRotation")) return GF_SG_VRML_SFROTATION;
  else if (!stricmp(fieldType, "SFImage")) return GF_SG_VRML_SFIMAGE;
  else if (!stricmp(fieldType, "SFAttrRef")) return GF_SG_VRML_SFATTRREF;
  else if (!stricmp(fieldType, "SFNode")) return GF_SG_VRML_SFNODE;

  else if (!stricmp(fieldType, "MFBool")) return GF_SG_VRML_MFBOOL;
  else if (!stricmp(fieldType, "MFFloat")) return GF_SG_VRML_MFFLOAT;
  else if (!stricmp(fieldType, "MFDouble")) return GF_SG_VRML_MFDOUBLE;
  else if (!stricmp(fieldType, "MFTime")) return GF_SG_VRML_MFTIME;
  else if (!stricmp(fieldType, "MFInt32")) return GF_SG_VRML_MFINT32;
  else if (!stricmp(fieldType, "MFString")) return GF_SG_VRML_MFSTRING;
  else if (!stricmp(fieldType, "MFVec2f")) return GF_SG_VRML_MFVEC2F;
  else if (!stricmp(fieldType, "MFVec3f")) return GF_SG_VRML_MFVEC3F;
  else if (!stricmp(fieldType, "MFVec2d")) return GF_SG_VRML_MFVEC2D;
  else if (!stricmp(fieldType, "MFVec3d")) return GF_SG_VRML_MFVEC3D;
  else if (!stricmp(fieldType, "MFColor")) return GF_SG_VRML_MFCOLOR;
  else if (!stricmp(fieldType, "MFColorRGBA")) return GF_SG_VRML_MFCOLORRGBA;
  else if (!stricmp(fieldType, "MFRotation")) return GF_SG_VRML_MFROTATION;
  else if (!stricmp(fieldType, "MFImage")) return GF_SG_VRML_MFIMAGE;
  else if (!stricmp(fieldType, "MFAttrRef")) return GF_SG_VRML_MFATTRREF;
  else if (!stricmp(fieldType, "MFNode")) return GF_SG_VRML_MFNODE;

  return GF_SG_VRML_UNKNOWN;
}

#endif

void gf_sg_sfurl_del(SFURL url) {
  if (url.url) gf_free(url.url);
}

GF_EXPORT
Bool gf_sg_vrml_is_sf_field(u32 FieldType)
{
  //special case for AttrRef declared after first MF
  if (FieldType==GF_SG_VRML_SFATTRREF) return GF_TRUE;
  return (FieldType<GF_SG_VRML_FIRST_MF);
}

void gf_sg_mfstring_del(MFString par)
{
  u32 i;
  for (i=0; i<par.count; i++) {
    if (par.vals[i]) gf_free(par.vals[i]);
  }
  gf_free(par.vals);
}


GF_EXPORT
void gf_sg_mfurl_del(MFURL url)
{
  u32 i;
  for (i=0; i<url.count; i++) {
    gf_sg_sfurl_del(url.vals[i]);
  }
  gf_free(url.vals);
}
void gf_sg_mfscript_del(MFScript sc)
{
  u32 i;
  for (i=0; i<sc.count; i++) {
    if (sc.vals[i].script_text) gf_free(sc.vals[i].script_text);
  }
  gf_free(sc.vals);
}


void gf_sg_vrml_copy_mfurl(MFURL *dst, MFURL *src)
{
  u32 i;
  gf_sg_vrml_mf_reset(dst, GF_SG_VRML_MFURL);
  dst->count = src->count;
  dst->vals = gf_malloc(sizeof(SFURL)*src->count);
  for (i=0; i<src->count; i++) {
    dst->vals[i].OD_ID = src->vals[i].OD_ID;
    dst->vals[i].url = src->vals[i].url ? gf_strdup(src->vals[i].url) : NULL;
  }
}



//return the size of fixed fields (eg no buffer in the field)
u32 gf_sg_vrml_get_sf_size(u32 FieldType)
{
  switch (FieldType) {
  case GF_SG_VRML_SFBOOL:
  case GF_SG_VRML_MFBOOL:
    return sizeof(SFBool);
  case GF_SG_VRML_SFFLOAT:
  case GF_SG_VRML_MFFLOAT:
    return sizeof(SFFloat);
  case GF_SG_VRML_SFTIME:
  case GF_SG_VRML_MFTIME:
    return sizeof(SFTime);
  case GF_SG_VRML_SFDOUBLE:
  case GF_SG_VRML_MFDOUBLE:
    return sizeof(SFDouble);
  case GF_SG_VRML_SFINT32:
  case GF_SG_VRML_MFINT32:
    return sizeof(SFInt32);
  case GF_SG_VRML_SFVEC3F:
  case GF_SG_VRML_MFVEC3F:
    return 3*sizeof(SFFloat);
  case GF_SG_VRML_SFVEC2F:
  case GF_SG_VRML_MFVEC2F:
    return 2*sizeof(SFFloat);
  case GF_SG_VRML_SFVEC3D:
  case GF_SG_VRML_MFVEC3D:
    return 3*sizeof(SFDouble);
  case GF_SG_VRML_SFCOLOR:
  case GF_SG_VRML_MFCOLOR:
    return 3*sizeof(SFFloat);
  case GF_SG_VRML_SFCOLORRGBA:
  case GF_SG_VRML_MFCOLORRGBA:
    return 4*sizeof(SFFloat);
  case GF_SG_VRML_SFROTATION:
  case GF_SG_VRML_MFROTATION:
  case GF_SG_VRML_MFVEC4F:
    return 4*sizeof(SFFloat);

  case GF_SG_VRML_SFATTRREF:
  case GF_SG_VRML_MFATTRREF:
    return sizeof(SFAttrRef);
  //check if that works!!
  case GF_SG_VRML_SFSTRING:
  case GF_SG_VRML_MFSTRING:
    //ptr to char
    return sizeof(SFString);
  case GF_SG_VRML_SFSCRIPT:
  case GF_SG_VRML_MFSCRIPT:
    return sizeof(SFScript);
  case GF_SG_VRML_SFURL:
  case GF_SG_VRML_MFURL:
    return sizeof(SFURL);
  default:
    return 0;
  }
}

GF_EXPORT
u32 gf_sg_vrml_get_sf_type(u32 FieldType)
{
  switch (FieldType) {
  case GF_SG_VRML_SFBOOL:
  case GF_SG_VRML_MFBOOL:
    return GF_SG_VRML_SFBOOL;
  case GF_SG_VRML_SFFLOAT:
  case GF_SG_VRML_MFFLOAT:
    return GF_SG_VRML_SFFLOAT;
  case GF_SG_VRML_SFDOUBLE:
  case GF_SG_VRML_MFDOUBLE:
    return GF_SG_VRML_SFDOUBLE;
  case GF_SG_VRML_SFTIME:
  case GF_SG_VRML_MFTIME:
    return GF_SG_VRML_SFTIME;
  case GF_SG_VRML_SFINT32:
  case GF_SG_VRML_MFINT32:
    return GF_SG_VRML_SFINT32;
  case GF_SG_VRML_SFVEC3F:
  case GF_SG_VRML_MFVEC3F:
    return GF_SG_VRML_SFVEC3F;
  case GF_SG_VRML_SFVEC4F:
  case GF_SG_VRML_MFVEC4F:
    return GF_SG_VRML_SFVEC4F;
  case GF_SG_VRML_SFVEC2F:
  case GF_SG_VRML_MFVEC2F:
    return GF_SG_VRML_SFVEC2F;
  case GF_SG_VRML_SFVEC3D:
  case GF_SG_VRML_MFVEC3D:
    return GF_SG_VRML_SFVEC3D;
  case GF_SG_VRML_SFVEC2D:
  case GF_SG_VRML_MFVEC2D:
    return GF_SG_VRML_SFVEC2D;
  case GF_SG_VRML_SFCOLOR:
  case GF_SG_VRML_MFCOLOR:
    return GF_SG_VRML_SFCOLOR;
  case GF_SG_VRML_SFCOLORRGBA:
  case GF_SG_VRML_MFCOLORRGBA:
    return GF_SG_VRML_SFCOLORRGBA;
  case GF_SG_VRML_SFROTATION:
  case GF_SG_VRML_MFROTATION:
    return GF_SG_VRML_SFROTATION;
  case GF_SG_VRML_SFATTRREF:
  case GF_SG_VRML_MFATTRREF:
    return GF_SG_VRML_SFATTRREF;

  //check if that works!!
  case GF_SG_VRML_SFSTRING:
  case GF_SG_VRML_MFSTRING:
    //ptr to char
    return GF_SG_VRML_SFSTRING;
  case GF_SG_VRML_SFSCRIPT:
  case GF_SG_VRML_MFSCRIPT:
    return GF_SG_VRML_SFSCRIPT;
  case GF_SG_VRML_SFURL:
  case GF_SG_VRML_MFURL:
    return GF_SG_VRML_SFURL;
  case GF_SG_VRML_SFNODE:
  case GF_SG_VRML_MFNODE:
    return GF_SG_VRML_SFNODE;
  default:
    return GF_SG_VRML_UNKNOWN;
  }
}

//
//  Insert (+alloc) an MFField with a specified position for insertion and sets the ptr to the
//  newly created slot
//  !! Doesnt work for MFNodes
//  InsertAt is the 0-based index for the new slot
GF_EXPORT
GF_Err gf_sg_vrml_mf_insert(void *mf, u32 FieldType, void **new_ptr, u32 InsertAt)
{
  char *buffer;
  u32 FieldSize, i, k;
  GenMFField *mffield = (GenMFField *)mf;

  if (gf_sg_vrml_is_sf_field(FieldType)) return GF_BAD_PARAM;
  if (FieldType == GF_SG_VRML_MFNODE) return GF_BAD_PARAM;

  FieldSize = gf_sg_vrml_get_sf_size(FieldType);

  //field we can't copy
  if (!FieldSize) return GF_BAD_PARAM;

  //first item ever
  if (!mffield->count || !mffield->array) {
    if (mffield->array) gf_free(mffield->array);
    mffield->array = (char*)gf_malloc(sizeof(char)*FieldSize);
    memset(mffield->array, 0, sizeof(char)*FieldSize);
    mffield->count = 1;
    if (new_ptr) *new_ptr = mffield->array;
    return GF_OK;
  }

  //append at the end
  if (InsertAt >= mffield->count) {
    mffield->array = (char*)gf_realloc(mffield->array, sizeof(char)*(1+mffield->count)*FieldSize);
    memset(mffield->array + mffield->count * FieldSize, 0, FieldSize);
    if (new_ptr) *new_ptr = mffield->array + mffield->count * FieldSize;
    mffield->count += 1;
    return GF_OK;
  }
  //alloc 1+itemCount
  buffer = (char*)gf_malloc(sizeof(char)*(1+mffield->count)*FieldSize);

  //insert in the array
  k=0;
  for (i=0; i < mffield->count; i++) {
    if (InsertAt == i) {
      if (new_ptr) {
        *new_ptr = buffer + i*FieldSize;
        memset(*new_ptr, 0, sizeof(char)*FieldSize);
      }
      k = 1;
    }
    memcpy(buffer + (k+i) * FieldSize , mffield->array + i*FieldSize, FieldSize);
  }
  gf_free(mffield->array);
  mffield->array = buffer;
  mffield->count += 1;
  return GF_OK;
}


GF_EXPORT
GF_Err gf_sg_vrml_mf_reset(void *mf, u32 FieldType)
{
  GenMFField *mffield = (GenMFField *)mf;
  if (!mffield || !mffield->array) return GF_OK;

  //field we can't copy
  if (gf_sg_vrml_is_sf_field(FieldType)) return GF_BAD_PARAM;
  if (!gf_sg_vrml_get_sf_size(FieldType)) return GF_BAD_PARAM;

  switch (FieldType) {
  case GF_SG_VRML_MFSTRING:
    gf_sg_mfstring_del( * ((MFString *) mf));
    break;
  case GF_SG_VRML_MFURL:
    gf_sg_mfurl_del( * ((MFURL *) mf));
    break;
  case GF_SG_VRML_MFSCRIPT:
    gf_sg_mfscript_del( * ((MFScript *) mf));
    break;
  default:
    if (mffield->array) gf_free(mffield->array);
    break;
  }

  mffield->array = NULL;
  mffield->count = 0;
  return GF_OK;
}

#ifndef GPAC_DISABLE_VRML

#define MAX_MFFIELD_ALLOC   5000000
GF_EXPORT
GF_Err gf_sg_vrml_mf_alloc(void *mf, u32 FieldType, u32 NbItems)
{
  u32 FieldSize;
  GenMFField *mffield = (GenMFField *)mf;

  if (gf_sg_vrml_is_sf_field(FieldType)) return GF_BAD_PARAM;
  if (FieldType == GF_SG_VRML_MFNODE) return GF_BAD_PARAM;
  if (!mffield) return GF_NON_COMPLIANT_BITSTREAM;

  FieldSize = gf_sg_vrml_get_sf_size(FieldType);

  //field we can't copy
  if (!FieldSize) return GF_BAD_PARAM;
  if (NbItems>MAX_MFFIELD_ALLOC) return GF_IO_ERR;

  if (mffield->count==NbItems) return GF_OK;
  gf_sg_vrml_mf_reset(mf, FieldType);
  if (NbItems) {
    mffield->array = (char*)gf_malloc(sizeof(char)*FieldSize*NbItems);
    memset(mffield->array, 0, sizeof(char)*FieldSize*NbItems);
  }
  mffield->count = NbItems;
  return GF_OK;
}

GF_EXPORT
GF_Err gf_sg_vrml_mf_get_item(void *mf, u32 FieldType, void **new_ptr, u32 ItemPos)
{
  u32 FieldSize;
  GenMFField *mffield = (GenMFField *)mf;

  *new_ptr = NULL;
  if (gf_sg_vrml_is_sf_field(FieldType)) return GF_BAD_PARAM;
  if (FieldType == GF_SG_VRML_MFNODE) return GF_BAD_PARAM;
  if (!mffield) return GF_NON_COMPLIANT_BITSTREAM;

  FieldSize = gf_sg_vrml_get_sf_size(FieldType);

  //field we can't copy
  if (!FieldSize) return GF_BAD_PARAM;
  if (ItemPos >= mffield->count) return GF_BAD_PARAM;
  *new_ptr = mffield->array + ItemPos * FieldSize;
  return GF_OK;
}


GF_EXPORT
GF_Err gf_sg_vrml_mf_append(void *mf, u32 FieldType, void **new_ptr)
{
  GenMFField *mffield = (GenMFField *)mf;
  if (!mf) return GF_NON_COMPLIANT_BITSTREAM;
  return gf_sg_vrml_mf_insert(mf, FieldType, new_ptr, mffield->count+2);
}


//remove the specified item (0-based index)
GF_EXPORT
GF_Err gf_sg_vrml_mf_remove(void *mf, u32 FieldType, u32 RemoveFrom)
{
  char *buffer;
  u32 FieldSize, i, k;
  GenMFField *mffield = (GenMFField *)mf;
  if (!mffield) return GF_NON_COMPLIANT_BITSTREAM;

  FieldSize = gf_sg_vrml_get_sf_size(FieldType);

  //field we can't copy
  if (!FieldSize) return GF_BAD_PARAM;

  if (!mffield->count || RemoveFrom >= mffield->count) return GF_BAD_PARAM;

  if (mffield->count == 1) {
    gf_free(mffield->array);
    mffield->array = NULL;
    mffield->count = 0;
    return GF_OK;
  }
  k=0;
  buffer = (char*)gf_malloc(sizeof(char)*(mffield->count-1)*FieldSize);
  for (i=0; i<mffield->count; i++) {
    if (RemoveFrom == i) {
      k = 1;
    } else {
      memcpy(buffer + (i-k)*FieldSize, mffield->array + i*FieldSize, FieldSize);
    }
  }
  gf_free(mffield->array);
  mffield->array = buffer;
  mffield->count -= 1;
  return GF_OK;
}

/*special cloning with type-casting from SF/MF strings to URL conversion since proto URL doesn't exist
as a field type (it's just a stupid encoding trick) */
void VRML_FieldCopyCast(void *dest, u32 dst_field_type, void *orig, u32 ori_field_type)
{
  SFURL *url;
  u32 size, i, sf_type_ori, sf_type_dst;
  void *dst_field, *orig_field;
  if (!dest || !orig) return;

  switch (dst_field_type) {
  case GF_SG_VRML_SFSTRING:
    if (ori_field_type == GF_SG_VRML_SFURL) {
      url = ((SFURL *)orig);
      if (url->OD_ID>0) {
        char tmp[50];
        sprintf(tmp, "%d", url->OD_ID);
        if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
        ((SFString*)dest)->buffer = gf_strdup(tmp);
      } else {
        if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
        ((SFString*)dest)->buffer = url->url ? gf_strdup(url->url) : NULL;
      }
    }
    /*for SFString to MFString cast*/
    else if (ori_field_type == GF_SG_VRML_SFSTRING) {
      if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
      ((SFString*)dest)->buffer = ((SFString*)orig)->buffer ? gf_strdup(((SFString*)orig)->buffer) : NULL;
    }
    return;
  case GF_SG_VRML_SFURL:
    if (ori_field_type != GF_SG_VRML_SFSTRING) return;
    url = ((SFURL *)dest);
    url->OD_ID = 0;
    if (url->url) gf_free(url->url);
    if ( ((SFString*)orig)->buffer)
      url->url = gf_strdup(((SFString*)orig)->buffer);
    else
      url->url = NULL;
    return;
  case GF_SG_VRML_MFSTRING:
  case GF_SG_VRML_MFURL:
    break;
  default:
    return;
  }

  sf_type_dst = gf_sg_vrml_get_sf_type(dst_field_type);

  if (gf_sg_vrml_is_sf_field(ori_field_type)) {
    size = 1;
    gf_sg_vrml_mf_alloc(dest, dst_field_type, size);
    gf_sg_vrml_mf_get_item(dest, dst_field_type, &dst_field, 0);
    VRML_FieldCopyCast(dst_field, sf_type_dst, orig, ori_field_type);
    return;
  }

  size = ((GenMFField *)orig)->count;
  if (size != ((GenMFField *)dest)->count) gf_sg_vrml_mf_alloc(dest, dst_field_type, size);

  sf_type_ori = gf_sg_vrml_get_sf_type(ori_field_type);
  //duplicate all items
  for (i=0; i<size; i++) {
    gf_sg_vrml_mf_get_item(dest, dst_field_type, &dst_field, i);
    gf_sg_vrml_mf_get_item(orig, ori_field_type, &orig_field, i);
    VRML_FieldCopyCast(dst_field, sf_type_dst, orig_field, sf_type_ori);
  }
  return;
}

GF_EXPORT
void gf_sg_vrml_field_clone(void *dest, void *orig, u32 field_type, GF_SceneGraph *inScene)
{
  u32 size, i, sf_type;
  void *dst_field, *orig_field;

  if (!dest || !orig) return;

  switch (field_type) {
  case GF_SG_VRML_SFBOOL:
    memcpy(dest, orig, sizeof(SFBool));
    break;
  case GF_SG_VRML_SFCOLOR:
    memcpy(dest, orig, sizeof(SFColor));
    break;
  case GF_SG_VRML_SFFLOAT:
    memcpy(dest, orig, sizeof(SFFloat));
    break;
  case GF_SG_VRML_SFINT32:
    memcpy(dest, orig, sizeof(SFInt32));
    break;
  case GF_SG_VRML_SFROTATION:
    memcpy(dest, orig, sizeof(SFRotation));
    break;
  case GF_SG_VRML_SFTIME:
    memcpy(dest, orig, sizeof(SFTime));
    break;
  case GF_SG_VRML_SFVEC2F:
    memcpy(dest, orig, sizeof(SFVec2f));
    break;
  case GF_SG_VRML_SFVEC3F:
    memcpy(dest, orig, sizeof(SFVec3f));
    break;
  case GF_SG_VRML_SFATTRREF:
    memcpy(dest, orig, sizeof(SFAttrRef));
    break;
  case GF_SG_VRML_SFSTRING:
    if ( ((SFString*)dest)->buffer) gf_free(((SFString*)dest)->buffer);
    if ( ((SFString*)orig)->buffer )
      ((SFString*)dest)->buffer = gf_strdup(((SFString*)orig)->buffer);
    else
      ((SFString*)dest)->buffer = NULL;
    break;
  case GF_SG_VRML_SFURL:
    if ( ((SFURL *)dest)->url ) gf_free( ((SFURL *)dest)->url );
    ((SFURL *)dest)->OD_ID = ((SFURL *)orig)->OD_ID;
    if (((SFURL *)orig)->url)
      ((SFURL *)dest)->url = gf_strdup(((SFURL *)orig)->url);
    else
      ((SFURL *)dest)->url = NULL;
    break;
  case GF_SG_VRML_SFIMAGE:
    if (((SFImage *)dest)->pixels) gf_free(((SFImage *)dest)->pixels);
    ((SFImage *)dest)->width = ((SFImage *)orig)->width;
    ((SFImage *)dest)->height = ((SFImage *)orig)->height;
    ((SFImage *)dest)->numComponents  = ((SFImage *)orig)->numComponents;
    size = ((SFImage *)dest)->width * ((SFImage *)dest)->height * ((SFImage *)dest)->numComponents;
    ((SFImage *)dest)->pixels = (u8*)gf_malloc(sizeof(char)*size);
    memcpy(((SFImage *)dest)->pixels, ((SFImage *)orig)->pixels, sizeof(char)*size);
    break;
  case GF_SG_VRML_SFCOMMANDBUFFER:
  {
    SFCommandBuffer *cb_dst = (SFCommandBuffer *)dest;
    SFCommandBuffer *cb_src = (SFCommandBuffer *)orig;

    cb_dst->bufferSize = cb_src->bufferSize;
    if (cb_dst->bufferSize && !gf_list_count(cb_src->commandList) ) {
      cb_dst->buffer = (u8*)gf_realloc(cb_dst->buffer, sizeof(char)*cb_dst->bufferSize);
      memcpy(cb_dst->buffer, cb_src->buffer, sizeof(char)*cb_src->bufferSize);
    } else {
      u32 j, c2;
      if (cb_dst->buffer) gf_free(cb_dst->buffer);
      cb_dst->buffer = NULL;
      /*clone command list*/
      c2 = gf_list_count(cb_src->commandList);
      for (j=0; j<c2; j++) {
        GF_Command *sub_com = (GF_Command *)gf_list_get(cb_src->commandList, j);
        GF_Command *new_com = gf_sg_vrml_command_clone(sub_com, inScene, 0);
        gf_list_add(cb_dst->commandList, new_com);
      }
    }
  }
  break;

  /*simply copy text string*/
  case GF_SG_VRML_SFSCRIPT:
    if (((SFScript*)dest)->script_text) gf_free(((SFScript*)dest)->script_text);
    ((SFScript*)dest)->script_text = NULL;
    if ( ((SFScript*)orig)->script_text)
      ((SFScript *)dest)->script_text = (char *)gf_strdup( (char*) ((SFScript*)orig)->script_text );
    break;


  //simple MFFields, do a memcpy
  case GF_SG_VRML_MFBOOL:
  case GF_SG_VRML_MFFLOAT:
  case GF_SG_VRML_MFTIME:
  case GF_SG_VRML_MFINT32:
  case GF_SG_VRML_MFVEC3F:
  case GF_SG_VRML_MFVEC2F:
  case GF_SG_VRML_MFCOLOR:
  case GF_SG_VRML_MFROTATION:
  case GF_SG_VRML_MFATTRREF:
    size = gf_sg_vrml_get_sf_size(field_type) * ((GenMFField *)orig)->count;
    if (((GenMFField *)orig)->count != ((GenMFField *)dest)->count) {
      ((GenMFField *)dest)->array = gf_realloc(((GenMFField *)dest)->array, size);
      ((GenMFField *)dest)->count = ((GenMFField *)orig)->count;
    }
    if (size)
      memcpy(((GenMFField *)dest)->array, ((GenMFField *)orig)->array, size);
    break;
  //complex MFFields
  case GF_SG_VRML_MFSTRING:
  case GF_SG_VRML_MFIMAGE:
  case GF_SG_VRML_MFURL:
  case GF_SG_VRML_MFSCRIPT:
    size = ((GenMFField *)orig)->count;
    gf_sg_vrml_mf_reset(dest, field_type);
    gf_sg_vrml_mf_alloc(dest, field_type, size);
    sf_type = gf_sg_vrml_get_sf_type(field_type);
    //duplicate all items
    for (i=0; i<size; i++) {
      gf_sg_vrml_mf_get_item(dest, field_type, &dst_field, i);
      gf_sg_vrml_mf_get_item(orig, field_type, &orig_field, i);
      gf_sg_vrml_field_copy(dst_field, orig_field, sf_type);
    }
    break;
  }
}

GF_EXPORT
void gf_sg_vrml_field_copy(void *dest, void *orig, u32 field_type)
{
  gf_sg_vrml_field_clone(dest, orig, field_type, NULL);
}

GF_EXPORT
Bool gf_sg_vrml_field_equal(void *dest, void *orig, u32 field_type)
{
  u32 size, i, sf_type;
  void *dst_field, *orig_field;
  Bool changed = 0;

  if (!dest || !orig) return 0;

  switch (field_type) {
  case GF_SG_VRML_SFBOOL:
    changed = memcmp(dest, orig, sizeof(SFBool));
    break;
  case GF_SG_VRML_SFCOLOR:
    if (((SFColor *)dest)->red != ((SFColor *)orig)->red) changed = 1;
    else if (((SFColor *)dest)->green != ((SFColor *)orig)->green) changed = 1;
    else if (((SFColor *)dest)->blue != ((SFColor *)orig)->blue) changed = 1;
    break;
  case GF_SG_VRML_SFFLOAT:
    if ( (*(SFFloat *)dest) != (*(SFFloat *)orig) ) changed = 1;
    break;
  case GF_SG_VRML_SFINT32:
    changed = memcmp(dest, orig, sizeof(SFInt32));
    break;
  case GF_SG_VRML_SFROTATION:
    if (((SFRotation *)dest)->x != ((SFRotation *)orig)->x) changed = 1;
    else if (((SFRotation *)dest)->y != ((SFRotation *)orig)->y) changed = 1;
    else if (((SFRotation *)dest)->z != ((SFRotation *)orig)->z) changed = 1;
    else if (((SFRotation *)dest)->q != ((SFRotation *)orig)->q) changed = 1;
    break;
  case GF_SG_VRML_SFTIME:
    if ( (*(SFTime *)dest) != (*(SFTime*)orig) ) changed = 1;
    break;
  case GF_SG_VRML_SFVEC2F:
    if (((SFVec2f *)dest)->x != ((SFVec2f *)orig)->x) changed = 1;
    else if (((SFVec2f *)dest)->y != ((SFVec2f *)orig)->y) changed = 1;
    break;
  case GF_SG_VRML_SFVEC3F:
    if (((SFVec3f *)dest)->x != ((SFVec3f *)orig)->x) changed = 1;
    else if (((SFVec3f *)dest)->y != ((SFVec3f *)orig)->y) changed = 1;
    else if (((SFVec3f *)dest)->z != ((SFVec3f *)orig)->z) changed = 1;
    break;
  case GF_SG_VRML_SFSTRING:
    if ( ((SFString*)dest)->buffer && ((SFString*)orig)->buffer) {
      changed = strcmp(((SFString*)dest)->buffer, ((SFString*)orig)->buffer);
    } else {
      changed = ( !((SFString*)dest)->buffer && !((SFString*)orig)->buffer) ? 0 : 1;
    }
    break;
  case GF_SG_VRML_SFURL:
    if (((SFURL *)dest)->OD_ID > 0 || ((SFURL *)orig)->OD_ID > 0) {
      if ( ((SFURL *)orig)->OD_ID != ((SFURL *)dest)->OD_ID) changed = 1;
    } else {
      if ( ((SFURL *)orig)->url && ! ((SFURL *)dest)->url) changed = 1;
      else if ( ! ((SFURL *)orig)->url && ((SFURL *)dest)->url) changed = 1;
      else if ( ((SFURL *)orig)->url && ((SFURL *)dest)->url && strcmp( ((SFURL *)orig)->url , ((SFURL *)dest)->url) ) changed = 1;
    }
    break;
  case GF_SG_VRML_SFIMAGE:
  case GF_SG_VRML_SFATTRREF:
  case GF_SG_VRML_SFSCRIPT:
  case GF_SG_VRML_SFCOMMANDBUFFER:
    changed = 1;
    break;

  //MFFields
  case GF_SG_VRML_MFATTRREF:
    changed = 1;
    break;
  case GF_SG_VRML_MFBOOL:
  case GF_SG_VRML_MFFLOAT:
  case GF_SG_VRML_MFTIME:
  case GF_SG_VRML_MFINT32:
  case GF_SG_VRML_MFSTRING:
  case GF_SG_VRML_MFVEC3F:
  case GF_SG_VRML_MFVEC2F:
  case GF_SG_VRML_MFCOLOR:
  case GF_SG_VRML_MFROTATION:
  case GF_SG_VRML_MFIMAGE:
  case GF_SG_VRML_MFURL:
  case GF_SG_VRML_MFSCRIPT:
    if ( ((GenMFField *)orig)->count != ((GenMFField *)dest)->count) changed = 1;
    else {
      size = ((GenMFField *)orig)->count;
      sf_type = gf_sg_vrml_get_sf_type(field_type);
      for (i=0; i<size; i++) {
        gf_sg_vrml_mf_get_item(dest, field_type, &dst_field, i);
        gf_sg_vrml_mf_get_item(orig, field_type, &orig_field, i);
        if (! gf_sg_vrml_field_equal(dst_field, orig_field, sf_type) ) {
          changed = 1;
          break;
        }
      }
    }
    break;
  }
  return changed ? 0 : 1;
}



GF_EXPORT
SFColorRGBA gf_sg_sfcolor_to_rgba(SFColor val)
{
  SFColorRGBA res;
  res.alpha = FIX_ONE;
  res.red = val.red;
  res.green = val.green;
  res.blue = val.blue;
  return res;
}


GF_EXPORT
u32 gf_node_get_num_fields_in_mode(GF_Node *Node, u8 IndexMode)
{
  gf_assert(Node);
  if (Node->sgprivate->tag == TAG_ProtoNode) return gf_sg_proto_get_num_fields(Node, IndexMode);
  else if (Node->sgprivate->tag == TAG_MPEG4_Script)
    return gf_sg_script_get_num_fields(Node, IndexMode);
#ifndef GPAC_DISABLE_X3D
  else if (Node->sgprivate->tag == TAG_X3D_Script)
    return gf_sg_script_get_num_fields(Node, IndexMode);
#endif
  else if (Node->sgprivate->tag <= GF_NODE_RANGE_LAST_MPEG4) return gf_sg_mpeg4_node_get_field_count(Node, IndexMode);
#ifndef GPAC_DISABLE_X3D
  else if (Node->sgprivate->tag <= GF_NODE_RANGE_LAST_X3D) return gf_sg_x3d_node_get_field_count(Node);
#endif
  else return 0;
}



/*all our internally handled nodes*/
Bool InitColorInterpolator(M_ColorInterpolator *node);
Bool InitCoordinateInterpolator2D(M_CoordinateInterpolator2D *node);
Bool InitCoordinateInterpolator(M_CoordinateInterpolator *n);
Bool InitNormalInterpolator(M_NormalInterpolator *n);
Bool InitPositionInterpolator2D(M_PositionInterpolator2D *node);
Bool InitPositionInterpolator(M_PositionInterpolator *node);
Bool InitScalarInterpolator(M_ScalarInterpolator *node);
Bool InitOrientationInterpolator(M_OrientationInterpolator *node);
Bool InitValuator(M_Valuator *node);
Bool InitCoordinateInterpolator4D(M_CoordinateInterpolator4D *node);
Bool InitPositionInterpolator4D(M_PositionInterpolator4D *node);

void PA_Init(GF_Node *n);
void PA_Modified(GF_Node *n, GF_FieldInfo *field);
void PA2D_Init(GF_Node *n);
void PA2D_Modified(GF_Node *n, GF_FieldInfo *field);
void SA_Init(GF_Node *n);
void SA_Modified(GF_Node *n, GF_FieldInfo *field);
/*X3D tools*/
void InitBooleanFilter(GF_Node *n);
void InitBooleanSequencer(GF_Node *n);
void InitBooleanToggle(GF_Node *n);
void InitBooleanTrigger(GF_Node *n);
void InitIntegerSequencer(GF_Node *n);
void InitIntegerTrigger(GF_Node *n);
void InitTimeTrigger(GF_Node *n);

Bool gf_sg_vrml_node_init(GF_Node *node)
{
  switch (node->sgprivate->tag) {
  case TAG_MPEG4_ColorInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_ColorInterpolator:
#endif
    return InitColorInterpolator((M_ColorInterpolator *)node);
  case TAG_MPEG4_CoordinateInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_CoordinateInterpolator:
#endif
    return InitCoordinateInterpolator((M_CoordinateInterpolator *)node);
  case TAG_MPEG4_CoordinateInterpolator2D:
    return InitCoordinateInterpolator2D((M_CoordinateInterpolator2D *)node);
  case TAG_MPEG4_NormalInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_NormalInterpolator:
#endif
    return InitNormalInterpolator((M_NormalInterpolator*)node);
  case TAG_MPEG4_OrientationInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_OrientationInterpolator:
#endif
    return InitOrientationInterpolator((M_OrientationInterpolator*)node);
  case TAG_MPEG4_PositionInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_PositionInterpolator:
#endif
    return InitPositionInterpolator((M_PositionInterpolator *)node);
  case TAG_MPEG4_PositionInterpolator2D:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_PositionInterpolator2D:
#endif
    return InitPositionInterpolator2D((M_PositionInterpolator2D *)node);
  case TAG_MPEG4_ScalarInterpolator:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_ScalarInterpolator:
#endif
    return InitScalarInterpolator((M_ScalarInterpolator *)node);
  case TAG_MPEG4_Valuator:
    return InitValuator((M_Valuator *)node);
  case TAG_MPEG4_PositionAnimator:
    PA_Init(node);
    return 1;
  case TAG_MPEG4_PositionAnimator2D:
    PA2D_Init(node);
    return 1;
  case TAG_MPEG4_ScalarAnimator:
    SA_Init(node);
    return 1;
  case TAG_MPEG4_PositionInterpolator4D:
    return InitPositionInterpolator4D((M_PositionInterpolator4D *)node);
  case TAG_MPEG4_CoordinateInterpolator4D:
    return InitCoordinateInterpolator4D((M_CoordinateInterpolator4D *)node);
  case TAG_MPEG4_Script:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_Script:
#endif
    return 1;

#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_BooleanFilter:
    InitBooleanFilter(node);
    return 1;
  case TAG_X3D_BooleanSequencer:
    InitBooleanSequencer(node);
    return 1;
  case TAG_X3D_BooleanToggle:
    InitBooleanToggle(node);
    return 1;
  case TAG_X3D_BooleanTrigger:
    InitBooleanTrigger(node);
    return 1;
  case TAG_X3D_IntegerSequencer:
    InitIntegerSequencer(node);
    return 1;
  case TAG_X3D_IntegerTrigger:
    InitIntegerTrigger(node);
    return 1;
  case TAG_X3D_TimeTrigger:
    InitTimeTrigger(node);
    return 1;
#endif
  }
  return 0;
}

Bool gf_sg_vrml_node_changed(GF_Node *node, GF_FieldInfo *field)
{
  switch (node->sgprivate->tag) {
  case TAG_ProtoNode:
    /*hardcoded protos need modification notifs*/
    if (node->sgprivate->UserCallback) return 0;
  case TAG_MPEG4_ColorInterpolator:
  case TAG_MPEG4_CoordinateInterpolator:
  case TAG_MPEG4_CoordinateInterpolator2D:
  case TAG_MPEG4_NormalInterpolator:
  case TAG_MPEG4_OrientationInterpolator:
  case TAG_MPEG4_PositionInterpolator:
  case TAG_MPEG4_PositionInterpolator2D:
  case TAG_MPEG4_ScalarInterpolator:
  case TAG_MPEG4_Valuator:
  case TAG_MPEG4_PositionInterpolator4D:
  case TAG_MPEG4_CoordinateInterpolator4D:
  case TAG_MPEG4_Script:
#ifndef GPAC_DISABLE_X3D
  case TAG_X3D_ColorInterpolator:
  case TAG_X3D_CoordinateInterpolator:
  case TAG_X3D_NormalInterpolator:
  case TAG_X3D_OrientationInterpolator:
  case TAG_X3D_PositionInterpolator:
  case TAG_X3D_ScalarInterpolator:
  case TAG_X3D_Script:
  case TAG_X3D_BooleanFilter:
  case TAG_X3D_BooleanSequencer:
  case TAG_X3D_BooleanToggle:
  case TAG_X3D_BooleanTrigger:
  case TAG_X3D_IntegerSequencer:
  case TAG_X3D_IntegerTrigger:
  case TAG_X3D_TimeTrigger:
#endif
    return 1;
  case TAG_MPEG4_PositionAnimator:
    PA_Modified(node, field);
    return 1;
  case TAG_MPEG4_PositionAnimator2D:
    PA2D_Modified(node, field);
    return 1;
  case TAG_MPEG4_ScalarAnimator:
    SA_Modified(node, field);
    return 1;
  }
  return 0;
}

#if 0 //unused
char *gf_node_vrml_dump_attribute(GF_Node *n, GF_FieldInfo *info)
{
  char szVal[1024];

  switch (info->fieldType) {
  case GF_SG_VRML_SFBOOL:
    strcpy(szVal, *((SFBool*)info->far_ptr) ? "TRUE" : "FALSE");
    return gf_strdup(szVal);
  case GF_SG_VRML_SFINT32:
    sprintf(szVal, "%d", *((SFInt32*)info->far_ptr) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFFLOAT:
    sprintf(szVal, "%g", FIX2FLT( *((SFFloat*)info->far_ptr) ) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFDOUBLE:
    sprintf(szVal, "%g", *((SFDouble *)info->far_ptr) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFTIME:
    sprintf(szVal, "%g", *((SFTime *)info->far_ptr) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFVEC2F:
    sprintf(szVal, "%g %g", FIX2FLT(((SFVec2f *)info->far_ptr)->x), FIX2FLT( ((SFVec2f *)info->far_ptr)->y) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFVEC2D:
    sprintf(szVal, "%g %g", ((SFVec2d *)info->far_ptr)->x, ((SFVec2d *)info->far_ptr)->y);
    return gf_strdup(szVal);
  case GF_SG_VRML_SFVEC3F:
    sprintf(szVal, "%g %g %g", FIX2FLT(((SFVec3f *)info->far_ptr)->x), FIX2FLT( ((SFVec3f *)info->far_ptr)->y) , FIX2FLT( ((SFVec3f *)info->far_ptr)->z) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFVEC3D:
    sprintf(szVal, "%g %g %g", ((SFVec3d *)info->far_ptr)->x, ((SFVec3d *)info->far_ptr)->y, ((SFVec3d *)info->far_ptr)->z);
    return gf_strdup(szVal);
  case GF_SG_VRML_SFCOLOR:
    sprintf(szVal, "%g %g %g", FIX2FLT(((SFColor *)info->far_ptr)->red), FIX2FLT( ((SFColor *)info->far_ptr)->green) , FIX2FLT( ((SFColor *)info->far_ptr)->blue) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFCOLORRGBA:
    sprintf(szVal, "%g %g %g %g", FIX2FLT(((SFColorRGBA *)info->far_ptr)->red), FIX2FLT( ((SFColorRGBA*)info->far_ptr)->green) , FIX2FLT( ((SFColorRGBA*)info->far_ptr)->blue) , FIX2FLT( ((SFColorRGBA*)info->far_ptr)->alpha) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFROTATION:
    sprintf(szVal, "%g %g %g %g", FIX2FLT(((SFRotation *)info->far_ptr)->x), FIX2FLT( ((SFRotation *)info->far_ptr)->y) , FIX2FLT( ((SFRotation *)info->far_ptr)->z), FIX2FLT( ((SFRotation *)info->far_ptr)->q) );
    return gf_strdup(szVal);
  case GF_SG_VRML_SFSTRING:
    if (!((SFString*)info->far_ptr)->buffer ) return gf_strdup("");
    return gf_strdup( ((SFString*)info->far_ptr)->buffer );

  case GF_SG_VRML_SFURL:
    if (((SFURL *)info->far_ptr)->url) {
      return gf_strdup( ((SFURL *)info->far_ptr)->url );
    } else {
      sprintf(szVal, "od://%d", ((SFURL *)info->far_ptr)->OD_ID);
      return gf_strdup(szVal);
    }

  case GF_SG_VRML_SFIMAGE:
  {
    u32 i, count;
    char *buf;
    SFImage *img = (SFImage *)info->far_ptr;

    count = img->width * img->height * img->numComponents;
    i = (3/*' 0x'*/ + 2/*%02X*/*img->numComponents)*count + 20;
    buf = gf_malloc(sizeof(char) * i);

    sprintf(buf , "%d %d %d", img->width, img->height, img->numComponents);

    for (i=0; i<count; ) {
      switch (img->numComponents) {
      case 1:
        sprintf(szVal, " 0x%02X", img->pixels[i]);
        i++;
        break;
      case 2:
        sprintf(szVal, " 0x%02X%02X", img->pixels[i], img->pixels[i+1]);
        i+=2;
        break;
      case 3:
        sprintf(szVal, " 0x%02X%02X%02X", img->pixels[i], img->pixels[i+1], img->pixels[i+2]);
        i+=3;
        break;
      case 4:
        sprintf(szVal, " 0x%02X%02X%02X%02X", img->pixels[i], img->pixels[i+1], img->pixels[i+2], img->pixels[i+3]);
        i+=4;
        break;
      }
      strcat(buf, szVal);
    }
    return buf;
  }
  default:
    break;
  }
  /*todo - dump MFFields*/
  return NULL;
}
#endif


#endif /*GPAC_DISABLE_VRML*/

Bool gf_node_in_table(GF_Node *node, u32 NDTType)
{
#ifndef GPAC_DISABLE_VRML
  u32 tag = node ? node->sgprivate->tag : 0;
  if (tag==TAG_ProtoNode) {
    tag = gf_sg_proto_get_root_tag(((GF_ProtoInstance *)node)->proto_interface);
    if (tag==TAG_UndefinedNode) return 1;
  }
  return gf_node_in_table_by_tag(tag, NDTType);
#else
  return 1;
#endif
}

Coverage Report

Created: 2024-02-11 06:48