private void WriteProperty(string propName, Type propType, object propVal, object entity, XmlWriter output,
int pos, EntityAttributeAttribute attr)
{
var optSet = propVal as IOptionalItemSet;
if (optSet != null && !optSet.Initialized)
{
//don't write anything if this is uninitialized item set
return;
}
if (propVal == null)
//null or a value type that maybe null, need to write out sets and lists if they are mandatroy but empty
{
if (typeof(IExpressEnumerable).GetTypeInfo().IsAssignableFrom(propType) && attr.State == EntityAttributeState.Mandatory)
//special case as these two classes are optimised
{
output.WriteStartElement(propName);
output.WriteAttributeString("ex", "cType", null, attr.ListType);
output.WriteEndElement();
}
return;
}
if (propType.GetTypeInfo().IsGenericType&& propType.GetGenericTypeDefinition() == typeof(Nullable <>) &&
(propVal is IExpressValueType)) //deal with undefined types (nullables)
{
if (string.IsNullOrEmpty((propVal).ToString()))
{
output.WriteElementString(propName, (propVal).ToString());
}
else
{
output.WriteStartElement(propName);
if (pos > -1)
{
output.WriteAttributeString("pos", pos.ToString());
}
var val = propVal as IExpressComplexType;
if (val != null)
{
var complexProps = val.Properties;
var wrapPos = 0;
foreach (var complexProp in complexProps)
{
WriteProperty(propName, complexProp.GetType(), complexProp, entity, output, wrapPos, attr);
wrapPos++;
}
}
else
{
output.WriteValue((propVal).ToString());
}
output.WriteEndElement();
}
}
else if (typeof(IExpressValueType).GetTypeInfo().IsAssignableFrom(propType))
{
var realType = propVal.GetType();
if (realType != propType)
//we have a type but it is a select type use the actual value but write out explicitly
{
output.WriteStartElement(propName);
WriteProperty(realType.Name, realType, propVal, entity, output, pos, attr);
output.WriteEndElement();
}
else
{
if (pos > -1)
{
output.WriteStartElement(propName);
output.WriteAttributeString("pos", pos.ToString());
output.WriteValue((propVal).ToString());
output.WriteEndElement();
}
// if its nullable
//if (((ExpressType)propVal).ToPart21 != "$")
else
{
output.WriteElementString(propName, (propVal).ToString());
}
}
}
else if (typeof(IExpressEnumerable).GetTypeInfo().IsAssignableFrom(propType))
{
output.WriteStartElement(propName);
output.WriteAttributeString("ex", "cType", null, attr.ListType);
var i = 0;
foreach (var item in ((IExpressEnumerable)propVal))
{
WriteProperty(item.GetType().Name, item.GetType(), item, entity, output, i, attr);
i++;
}
output.WriteEndElement();
}
else if (typeof(IPersistEntity).GetTypeInfo().IsAssignableFrom(propType))
//all writable entities must support this interface and ExpressType have been handled so only entities left
{
var persistVal = (IPersistEntity)propVal;
if (pos == -1)
{
output.WriteStartElement(propName);
}
if (_written.Contains(persistVal.EntityLabel)) //we have already written it so use an xlink
{
output.WriteStartElement(propVal.GetType().Name);
output.WriteAttributeString("ref", string.Format("i{0}", persistVal.EntityLabel));
output.WriteAttributeString("xsi", "nil", null, "true");
if (pos > -1) //we are writing out a list element
{
output.WriteAttributeString("pos", pos.ToString());
}
output.WriteEndElement();
}
else
{
Write(persistVal, output, pos);
}
if (pos == -1)
{
output.WriteEndElement();
}
}
else if (typeof(IExpressComplexType).GetTypeInfo().IsAssignableFrom(propType)) //it is a complex value tpye
{
var properties = ((IExpressComplexType)propVal).Properties;
}
else if (propType.GetTypeInfo().IsValueType || propType == typeof(string) || propType == typeof(byte[])) //it might be an in-built value type double, string etc
{
var pInfoType = propVal.GetType();
if (pInfoType.GetTypeInfo().IsEnum) //convert enum
{
if (pos > -1)
{
output.WriteStartElement(propName);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue(propVal.ToString().ToLower());
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Boolean))
{
if (pos > -1)
{
output.WriteStartElement("ex", "boolean-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue((bool)propVal ? "true" : "false");
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Double))
{
if (pos > -1)
{
output.WriteStartElement("ex", "double-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue(string.Format(new Part21Formatter(), "{0:R}", propVal));
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int16))
{
if (pos > -1)
{
output.WriteStartElement("ex", "integer-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue(propVal.ToString());
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int32) ||
pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int64))
{
if (pos > -1)
{
output.WriteStartElement("ex", "long-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue(propVal.ToString());
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(String)) //convert string
{
if (pos > -1)
{
output.WriteStartElement("ex", "string-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
output.WriteValue(string.Format(new Part21Formatter(), "{0}", propVal));
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(byte[])) //convert byte array
{
if (pos > -1)
{
output.WriteStartElement("ex", "hexBinary-wrapper", null);
output.WriteAttributeString("pos", pos.ToString());
}
else
{
output.WriteStartElement(propName);
}
var ba = (byte[])propVal;
var hex = new System.Text.StringBuilder(ba.Length * 2);
foreach (byte b in ba)
{
hex.AppendFormat("{0:X2}", b);
}
output.WriteValue(hex.ToString());
}
else
{
throw new ArgumentException(string.Format("Invalid Value Type {0}", pInfoType.Name), "pInfoType");
}
output.WriteEndElement();
}
else if (typeof(IExpressSelectType).GetTypeInfo().IsAssignableFrom(propType))
// a select type get the type of the actual value
{
if (propVal != null)
{
var realType = propVal.GetType();
output.WriteStartElement(propName);
if (typeof(IExpressValueType).GetTypeInfo().IsAssignableFrom(realType))
{
//WriteProperty(model, realType.Name + "-wrapper", realType, propVal, entity, output, pos, attr);
WriteProperty(realType.Name, realType, propVal, entity, output, pos, attr);
}
else
{
WriteProperty(realType.Name, realType, propVal, entity, output, -2, attr);
}
}
output.WriteEndElement();
}
//else
// throw new Exception(string.Format("Entity of type {0} has illegal property {1} of type {2}", entity.GetType().ToString(), propType.Name, propType.Name));
}
public IfcEntityAttribute(string propertyName, string typeName, EntityAttributeAttribute attributeAttributeProperties)
{
PropertyName = propertyName;
TypeName = typeName;
AttributeAttributeProperties = attributeAttributeProperties;
}
private void WriteProperty(string propName, Type propType, object propVal, XmlWriter output,
int[] pos, EntityAttributeAttribute attr, bool wrap = false)
{
//don't write anything if this is uninitialized optional item set
var optSet = propVal as IOptionalItemSet;
if (optSet != null && !optSet.Initialized)
{
return;
}
//null or a value type that maybe null, need to write out sets and lists if they are mandatroy but empty
if (propVal == null)
{
if (!typeof(IExpressEnumerable).GetTypeInfo().IsAssignableFrom(propType) ||
attr.State != EntityAttributeState.Mandatory)
{
return;
}
//write out empty mandatory set with proper enumeration type
output.WriteStartElement(propName);
//output.WriteAttributeString("cType", attr.ListType);
output.WriteEndElement();
return;
}
if (propType.GetTypeInfo().IsInterface&& typeof(IExpressSelectType).GetTypeInfo().IsAssignableFrom(propType))
// a select type get the type of the actual value
{
var realType = propVal.GetType();
var exprType = _metadata.ExpressType(realType);
var realName = exprType != null ? exprType.ExpressName : realType.Name;
output.WriteStartElement(propName);
WriteProperty(realName, realType, propVal, output, null, attr, true);
output.WriteEndElement();
return;
}
//make sure we don't mess around with nullables
propType = XmlMetaProperty.GetNonNullableType(propType);
if (typeof(IExpressValueType).GetTypeInfo().IsAssignableFrom(propType))
{
var cpl = propVal as IExpressComplexType;
if (cpl != null)
{
var expT = _metadata.ExpressType(propVal.GetType());
if (expT != null && expT.UnderlyingType != null &&
typeof(IEnumerable <IPersistEntity>).GetTypeInfo().IsAssignableFrom(expT.UnderlyingType))
{
output.WriteStartElement(expT.ExpressName + (wrap ? "-wrapper" : ""));
var idx = new[] { 0 };
foreach (var ent in cpl.Properties.Cast <IPersistEntity>())
{
WriteEntity(ent, output, false, idx);
idx[0]++;
}
output.WriteEndElement();
return;
}
}
var valString = cpl == null
? propVal.ToString()
: string.Join(" ", cpl.Properties);
output.WriteStartElement(propName + (wrap ? "-wrapper" : ""));
if (pos != null)
{
output.WriteAttributeString("pos", string.Join(" ", pos));
}
output.WriteValue(valString);
output.WriteEndElement();
return;
}
if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(propType) && propType != typeof(string))
{
//special case for IfcRelDefinesByProperties
//if (propName == "RelatedObjects" && entity.ExpressType.Name == "IfcRelDefinesByProperties")
if (attr.MaxCardinality != null && attr.MaxCardinality.Length == 1 && attr.MaxCardinality[0] == 1) //list which shouldn't have more than 1 element in is serialized as a single element
{
propVal = ((IEnumerable)propVal).Cast <object>().FirstOrDefault();
var relEntity = propVal as IPersistEntity;
if (relEntity == null)
{
return;
}
WriteEntity(relEntity, output, false, null, propName);
return;
}
var propValEnum = ((IEnumerable)propVal).Cast <object>().ToList();
//inverse attribute with no values
if (attr.Order < 0 && !propValEnum.Any())
{
return;
}
var idx = new List <int>(pos ?? new int[] {})
{
0
};
var depth = idx.Count - 1;
if (depth == 0)
{
output.WriteStartElement(propName);
//output.WriteAttributeString(_nsPrefix, "cType", _ns, attr.ListType);
}
foreach (var item in propValEnum)
{
var expT = _metadata.ExpressType(item.GetType());
var name = expT != null ? expT.ExpressName : item.GetType().Name;
WriteProperty(name, item.GetType(), item, output, idx.ToArray(), attr, true);
idx[depth]++;
}
if (depth == 0)
{
output.WriteEndElement();
}
return;
}
if (typeof(IPersistEntity).GetTypeInfo().IsAssignableFrom(propType))
{
var persistEntity = (IPersistEntity)propVal;
WriteEntity(persistEntity, output, false, pos, propName);
return;
}
//this will only be called from within the enumeration
//as otherwise it will be serialized as XML attribute before
if (propType.GetTypeInfo().IsValueType || typeof(string) == propType || typeof(byte[]) == propType)
{
var pInfoType = propVal.GetType();
string pValue;
if (pInfoType.GetTypeInfo().IsEnum) //convert enum
{
output.WriteStartElement(propName);
pValue = propVal.ToString().ToLower();
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Boolean))
{
output.WriteStartElement("boolean-wrapper");
pValue = (bool)propVal ? "true" : "false";
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Double) ||
pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Single))
{
output.WriteStartElement("double-wrapper");
pValue = string.Format(new Part21Formatter(), "{0:R}", propVal);
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int16))
{
output.WriteStartElement("integer-wrapper");
pValue = propVal.ToString();
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int32) ||
pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(Int64))
{
output.WriteStartElement("long-wrapper");
pValue = propVal.ToString();
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(String)) //convert string
{
output.WriteStartElement("string-wrapper");
pValue = string.Format(new Part21Formatter(), "{0}", propVal);
}
else if (pInfoType.GetTypeInfo().UnderlyingSystemType == typeof(byte[]))
{
output.WriteStartElement("hexBinary-wrapper");
var ba = (byte[])propVal;
var hex = new System.Text.StringBuilder(ba.Length * 2);
foreach (byte b in ba)
{
hex.AppendFormat("{0:X2}", b);
}
pValue = hex.ToString();
}
else
{
throw new NotSupportedException(string.Format("Invalid Value Type {0}", pInfoType.Name));
}
output.WriteAttributeString("pos", string.Join(" ", pos));
output.WriteValue(pValue);
output.WriteEndElement();
return;
}
#if DEBUG
throw new Exception("Unexpected type");
#endif
}