int ColorSquID::GetNextBranch(const db_compress::AttrValue* attr) const {
double value = static_cast<const ColorAttr*>(attr)->Value();
if (first_step_) {
if (fabs(value) < 1e-5)
return 0;
else
return 1;
} else {
db_compress::DoubleAttrValue attr_(value);
return tree_->GetNextBranch(&attr_);
}
}
Node& Node::concat(const std::string& name, const std::string& value, const std::string& separator){
pugi::xml_attribute attr = attr_(name);
if(not attr.empty()){
std::string current = attr.as_string();
std::string future;
if(current.length()>0) future = current + separator + value;
else future = value;
attr.set_value(future.c_str());
}else {
pimpl_->append_attribute(name.c_str()) = value.c_str();
}
return *this;
}
Node& Node::erase(const std::string& name){
auto attr = attr_(name);
if(attr) pimpl_->remove_attribute(attr);
return *this;
}
