void ColladaBodyLoaderImpl::throwException(const string& message)
{
*os << message << endl;
ValueNode::SyntaxException error;
error.setMessage(message);
throw error;
}
void YAMLReaderImpl::onScalar(yaml_event_t& event)
{
if(debugTrace){
cout << "YAMLReaderImpl::onScalar()" << endl;
}
yaml_char_t* value = event.data.scalar.value;
size_t length = event.data.scalar.length;
if(nodeStack.empty()){
ValueNode::SyntaxException ex;
ex.setMessage(_("Scalar value cannot be put on the top-level text position"));
const yaml_mark_t& start_mark = event.start_mark;
ex.setPosition(start_mark.line, start_mark.column);
throw ex;
}
NodeInfo& info = nodeStack.top();
ValueNodePtr& parent = info.node;
ScalarNode* scalar = 0;
if(parent->isMapping()){
if(info.key.empty()){
info.key = string((char*)value, length);
if(info.key.empty()){
ValueNode::SyntaxException ex;
ex.setMessage(_("empty key"));
const yaml_mark_t& start_mark = event.start_mark;
ex.setPosition(start_mark.line, start_mark.column);
throw ex;
}
} else {
scalar = createScalar(event);
}
} else if(parent->isListing()){
scalar = createScalar(event);
}
if(scalar){
addNode(scalar, event);
if(event.data.scalar.anchor){
setAnchor(scalar, event.data.scalar.anchor, event.start_mark);
}
}
}
void YAMLReaderImpl::addNode(ValueNode* node, yaml_event_t& event)
{
NodeInfo& info = nodeStack.top();
ValueNode* parent = info.node;
if(parent->isListing()){
Listing* listing = static_cast<Listing*>(parent);
listing->append(node);
} else if(parent->isMapping()){
Mapping* mapping = static_cast<Mapping*>(parent);
if(info.key == "<<"){
if(node->isMapping()){
mapping->insert(static_cast<Mapping*>(node));
} else if(node->isListing()){
Listing* listing = static_cast<Listing*>(node);
for(auto& element : *listing){
if(element->isMapping()){
mapping->insert(static_cast<Mapping*>(element.get()));
} else {
ValueNode::SyntaxException ex;
ex.setMessage(_("An element to merge by the \"<<\" key must be a mapping"));
const yaml_mark_t& start_mark = event.start_mark;
ex.setPosition(start_mark.line, start_mark.column);
throw ex;
}
}
} else {
ValueNode::SyntaxException ex;
ex.setMessage(_("A value to merge by the \"<<\" key must be mapping or listing"));
const yaml_mark_t& start_mark = event.start_mark;
ex.setPosition(start_mark.line, start_mark.column);
throw ex;
}
}
mapping->insert(info.key, node);
info.key.clear();
}
}
