category:Code examples
#include
#include
#include <brlcad/ConstDatabase.h>
#include <brlcad/Combination.h>
class CombinationsCb;
void ListTreeNode(const BRLCAD::Combination::ConstTreeNode& node,
const BRLCAD::ConstDatabase& database,
CombinationsCb& callback);
class CombinationsCb : public BRLCAD::ConstDatabase::ObjectCallback {
public:
CombinationsCb(const BRLCAD::ConstDatabase& database) : BRLCAD::ConstDatabase::ObjectCallback(),
m_database(database),
m_prefix() {}
CombinationsCb(const BRLCAD::ConstDatabase& database,
const std::string& prefix) : BRLCAD::ConstDatabase::ObjectCallback(),
m_database(database),
m_prefix(prefix) {}
void Print(const char* name) {
std::cout << m_prefix << name << std::endl;
}
virtual void operator()(const BRLCAD::Object& object) {
const BRLCAD::Combination* comb = dynamic_cast<const BRLCAD::Combination*>(&object);
if (comb != 0)
ListTreeNode(comb->Tree(), m_database, CombinationsCb(m_database, m_prefix + '\t'));
}
private:
const BRLCAD::ConstDatabase& m_database;
std::string m_prefix;
};
void ListTreeNode
(
const BRLCAD::Combination::ConstTreeNode& node,
const BRLCAD::ConstDatabase& database,
CombinationsCb& callback
) {
switch (node.Operation()) {
case BRLCAD::Combination::ConstTreeNode::Union:
case BRLCAD::Combination::ConstTreeNode::Intersection:
case BRLCAD::Combination::ConstTreeNode::Subtraction:
case BRLCAD::Combination::ConstTreeNode::ExclusiveOr:
ListTreeNode(node.LeftOperand(), database, callback);
ListTreeNode(node.RightOperand(), database, callback);
break;
case BRLCAD::Combination::ConstTreeNode::Not:
ListTreeNode(node.Operand(), database, callback);
break;
case BRLCAD::Combination::ConstTreeNode::Leaf:
callback.Print(node.Name());
database.Get(node.Name(), callback);
}
}
int main
(
int argc,
char* argv[]
) {
int ret = 0;
if (argc < 2) {
std::cout << "Usage: " << argv[0] << " " << std::endl;
ret = 1;
}
else {
BRLCAD::ConstDatabase database;
if (database.Load(argv[1])) {
BRLCAD::ConstDatabase::TopObjectIterator it = database.FirstTopObject();
CombinationsCb callback(database);
while (it.Good()) {
std::cout << it.Name() << std::endl;
database.Get(it.Name(), callback);
++it;
}
}
else
ret = 2;
}
return ret;
}