/// <summary>
/// Build the entity using a map with the dxf codes and the values.
/// </summary>
/// <param name="map"></param>
internal virtual void Build(Dictionary <DxfCode, object> map)
{
var a = GetType().GetProperties();
foreach (PropertyInfo p in GetType().GetProperties())
{
DxfCodeValueAttribute att = p.GetCustomAttribute <DxfCodeValueAttribute>();
if (att == null)
{
continue;
}
//Get the parameters or value to build the property
List <object> parameters = new List <object>();
foreach (DxfCode code in att.ValueCodes)
{
if (map.TryGetValue(code, out object par))
{
parameters.Add(par);
}
}
//Check for invalid values
while (parameters.Contains(null))
{
parameters.Remove(null);
}
if (!parameters.Any())
{
continue;
}
//Create an object with the same type of the property type
object value = null;
//Check if has a constructor with parameters
ConstructorInfo constr = p.PropertyType.GetConstructor(parameters.Select(o => o.GetType()).ToArray());
//Fill the value
if (p.PropertyType.IsEnum)
{
value = Enum.ToObject(p.PropertyType, parameters.First());
}
else if (constr == null)
{
value = Convert.ChangeType(parameters.First(), p.PropertyType);
}
else
{
value = constr.Invoke(parameters.ToArray());
}
//Set the value if it has any
if (value != null)
{
p.SetValue(this, value);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <param name="property"></param>
/// <exception cref="ArgumentException"></exception>
private DxfProperty(int code, PropertyInfo property) : base(code)
{
this._dxfAttribute = property.GetCustomAttribute <DxfCodeValueAttribute>();
if (this._dxfAttribute == null)
{
throw new ArgumentException($"The property does not implement the {nameof(DxfCodeValueAttribute)}", nameof(property));
}
if (!this._dxfAttribute.ValueCodes.Contains((DxfCode)code))
{
throw new ArgumentException($"The {nameof(DxfCodeValueAttribute)} does not have match with the code {code}", nameof(property));
}
_property = property;
}
//TODO: Extended data
/// <summary>
/// Get a map of the object using the dxf codes in each field.
/// </summary>
/// <returns></returns>
internal Dictionary <DxfCode, object> GetCadObjectMap()
{
Dictionary <DxfCode, object> map = new Dictionary <DxfCode, object>();
foreach (PropertyInfo p in GetType().GetProperties())
{
DxfCodeValueAttribute att = p.GetCustomAttribute <DxfCodeValueAttribute>();
if (att == null)
{
continue;
}
//Set the codes to the map
foreach (DxfCode code in att.ValueCodes)
{
map.Add(code, null);
}
}
return(map);
}
protected static IEnumerable <KeyValuePair <int, DxfProperty> > cadObjectMapDxf(Type type)
{
foreach (PropertyInfo p in type.GetProperties(BindingFlags.Public
| BindingFlags.Instance
| BindingFlags.DeclaredOnly))
{
DxfCodeValueAttribute att = p.GetCustomAttribute <DxfCodeValueAttribute>();
if (att == null)
{
continue;
}
if (att.ReferenceType == DxfReferenceType.Count)
{
}
foreach (var item in DxfProperty.Create(p))
{
yield return(new KeyValuePair <int, DxfProperty>(item.Code, item));
}
}
}
