const char * ContextTree::getPrefix( int &iPrefixLen )
{
const char * pPrefix;
if ( m_pRootContext )
{
pPrefix = getRootContext()->getURI();
iPrefixLen = getRootContext()->getURILen();
}
else
{
pPrefix = "/";
iPrefixLen = 1;
}
return pPrefix;
}
/// Generic list of objects access, possibly searching up or down from the current context
///
/// Note that the template wrapper method should generally be used to have the correct return type,
void DAGNode::getObjects(const sofa::core::objectmodel::ClassInfo& class_info, GetObjectsCallBack& container, const sofa::core::objectmodel::TagSet& tags, SearchDirection dir) const
{
if (dir == SearchRoot)
{
if (!getParents().empty())
{
getRootContext()->getObjects(class_info, container, tags, dir);
return;
}
else dir = SearchDown; // we are the root, search down from here.
}
if (dir != SearchParents)
for (ObjectIterator it = this->object.begin(); it != this->object.end(); ++it)
{
core::objectmodel::BaseObject* obj = it->get();
void* result = class_info.dynamicCast(obj);
if (result != NULL && (tags.empty() || (obj)->getTags().includes(tags)))
container(result);
}
{
switch(dir)
{
case Local:
break;
case SearchParents:
case SearchUp:
{
// WORK IN PROGRESS
// TODO: manage diamond setups to avoid multiple getObjects() calls on a Node...
Parents parents = getParents();
for (Parents::iterator it = parents.begin(); it!=parents.end(); it++)
dynamic_cast<Node*>(*it)->getObjects(class_info, container, tags, SearchUp);
}
break;
case SearchDown:
for(ChildIterator it = child.begin(); it != child.end(); ++it)
{
if ((*it)->isActive())
(*it)->getObjects(class_info, container, tags, dir);
}
break;
case SearchRoot:
std::cerr << "SearchRoot SHOULD NOT BE POSSIBLE HERE!\n";
break;
}
}
}
/// Generic object access, given a path from the current context
///
/// Note that the template wrapper method should generally be used to have the correct return type,
void* DAGNode::getObject(const sofa::core::objectmodel::ClassInfo& class_info, const std::string& path) const
{
if (path.empty())
{
// local object
return Node::getObject(class_info, Local);
}
else if (path[0] == '/')
{
// absolute path; let's start from root
Parents parents = getParents();
if (parents.empty()) return getObject(class_info,std::string(path,1));
else return getRootContext()->getObject(class_info,path);
}
else if (std::string(path,0,2)==std::string("./"))
{
std::string newpath = std::string(path, 2);
while (!newpath.empty() && path[0] == '/')
newpath.erase(0);
return getObject(class_info,newpath);
}
else if (std::string(path,0,3)==std::string("../"))
{
// tricky case:
// let's test EACH parent and return the first object found (if any)
std::string newpath = std::string(path, 3);
while (!newpath.empty() && path[0] == '/')
newpath.erase(0);
Parents parents = getParents();
if (!parents.empty())
{
for (Parents::iterator it = parents.begin(); it!=parents.end(); it++)
{
void* obj = dynamic_cast<Node*>(*it)->getObject(class_info,newpath);
if (obj) return obj;
}
return 0; // not found in any parent node at all
}
else return getObject(class_info,newpath);
}
else
{
std::string::size_type pend = path.find('/');
if (pend == std::string::npos) pend = path.length();
std::string name ( path, 0, pend );
Node* child = getChild(name);
if (child)
{
while (pend < path.length() && path[pend] == '/')
++pend;
return child->getObject(class_info, std::string(path, pend));
}
else if (pend < path.length())
{
//std::cerr << "ERROR: child node "<<name<<" not found in "<<getPathName()<<std::endl;
return NULL;
}
else
{
core::objectmodel::BaseObject* obj = simulation::Node::getObject(name);
if (obj == NULL)
{
//std::cerr << "ERROR: object "<<name<<" not found in "<<getPathName()<<std::endl;
return NULL;
}
else
{
void* result = class_info.dynamicCast(obj);
if (result == NULL)
{
std::cerr << "ERROR: object "<<name<<" in "<<getPathName()<<" does not implement class "<<class_info.name()<<std::endl;
return NULL;
}
else
{
return result;
}
}
}
}
}
/// Generic object access, possibly searching up or down from the current context
///
/// Note that the template wrapper method should generally be used to have the correct return type,
void* DAGNode::getObject(const sofa::core::objectmodel::ClassInfo& class_info, const sofa::core::objectmodel::TagSet& tags, SearchDirection dir) const
{
if (dir == SearchRoot)
{
if (!getParents().empty()) return getRootContext()->getObject(class_info, tags, dir);
else dir = SearchDown; // we are the root, search down from here.
}
void *result = NULL;
#ifdef DEBUG_GETOBJECT
std::string cname = class_info.name();
if (cname != std::string("N4sofa4core6ShaderE"))
std::cout << "DAGNode: search for object of type " << class_info.name() << std::endl;
std::string gname = "N4sofa9component8topology32TetrahedronSetGeometryAlgorithms";
bool isg = cname.length() >= gname.length() && std::string(cname, 0, gname.length()) == gname;
#endif
if (dir != SearchParents)
for (ObjectIterator it = this->object.begin(); it != this->object.end(); ++it)
{
core::objectmodel::BaseObject* obj = it->get();
if (tags.empty() || (obj)->getTags().includes(tags))
{
#ifdef DEBUG_GETOBJECT
if (isg)
std::cout << "DAGNode: testing object " << (obj)->getName() << " of type " << (obj)->getClassName() << std::endl;
#endif
result = class_info.dynamicCast(obj);
if (result != NULL)
{
#ifdef DEBUG_GETOBJECT
std::cout << "DAGNode: found object " << (obj)->getName() << " of type " << (obj)->getClassName() << std::endl;
#endif
break;
}
}
}
if (result == NULL)
{
switch(dir)
{
case Local:
break;
case SearchParents:
case SearchUp:
{
Parents parents = getParents();
if (!parents.empty())
for (Parents::iterator it = parents.begin(); it!=parents.end() && !result; it++)
result = dynamic_cast<Node*>(*it)->getObject(class_info, tags, SearchUp);
}
break;
case SearchDown:
for(ChildIterator it = child.begin(); it != child.end(); ++it)
{
result = (*it)->getObject(class_info, tags, dir);
if (result != NULL) break;
}
break;
case SearchRoot:
std::cerr << "SearchRoot SHOULD NOT BE POSSIBLE HERE!\n";
break;
}
}
return result;
}
