package guru.mikelue.jdut.yaml.node;
   
   import java.util.Map;
   
   /**
    * Represents the type of node
    */
   public enum NodeType {
   	Config, Defines, Table, Code, Unknown;
  
  	/**
  	 * Gets the type of node by object.
  	 *
  	 * @param unknownObject The object loaded by YAML
  	 *
  	 * @return The matched type of node
  	 */
  	public static NodeType getNodeType(Object unknownObject)
  	{
  		if (Map.class.isInstance(unknownObject)) {
  			Map<?, ?> mapOfUnknown = (Map<?, ?>)unknownObject;
  			for (Object key: mapOfUnknown.keySet()) {
  				if (TableNode.TableName.class.isInstance(key)) {
  					return Table;
  				}
  				if ("config".equals(key)) {
  					return Config;
  				}
  				if ("defines".equals(key)) {
  					return Defines;
  				}
  			}
  			return Unknown;
  		}
  
  		if (CodeNode.class.isInstance(unknownObject)) {
  			return Code;
  		}
  
  		return Unknown;
  	}
  }