/// <summary>
/// Serializes a collection object.
/// </summary>
/// <param name="insertionLocation">The insertion location.</param>
/// <param name="elementName">Name of the element.</param>
/// <param name="elementValue">The object to be serailized.</param>
/// <param name="collectionAttrInst">The collection attribute instance.</param>
/// <param name="format">formatting string, which is going to be applied to all members of the collection.</param>
/// <returns>
/// an instance of <c>XElement</c> which will contain the serailized collection
/// </returns>
private XElement MakeCollectionElement(
XElement insertionLocation, XName elementName, object elementValue,
YAXCollectionAttribute collectionAttrInst, string format)
{
if (elementValue == null)
{
return new XElement(elementName);
}
if (!(elementValue is IEnumerable))
{
throw new ArgumentException("elementValue must be an IEnumerable");
}
// serialize other non-collection members
var ser = new YAXSerializer(elementValue.GetType(), m_exceptionPolicy, m_defaultExceptionType, m_serializationOption);
ser.m_documentDefaultNamespace = m_documentDefaultNamespace;
ser.SetNamespaceToOverrideEmptyNamespace(elementName.Namespace);
ser.SetBaseElement(insertionLocation);
XElement elemToAdd = ser.SerializeBase(elementValue, elementName);
ImportNamespaces(ser);
m_parsingErrors.AddRange(ser.ParsingErrors);
// now iterate through collection members
var collectionInst = elementValue as IEnumerable;
var serType = YAXCollectionSerializationTypes.Recursive;
string seperator = string.Empty;
XName eachElementName = null;
if (collectionAttrInst != null)
{
serType = collectionAttrInst.SerializationType;
seperator = collectionAttrInst.SeparateBy;
if (collectionAttrInst.EachElementName != null)
{
eachElementName = StringUtils.RefineSingleElement(collectionAttrInst.EachElementName);
if (eachElementName.Namespace.IsEmpty())
RegisterNamespace(eachElementName.Namespace, null);
eachElementName = eachElementName.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
}
}
Type colItemType = ReflectionUtils.GetCollectionItemType(elementValue.GetType());
if (serType == YAXCollectionSerializationTypes.Serially && !ReflectionUtils.IsBasicType(colItemType))
serType = YAXCollectionSerializationTypes.Recursive;
UdtWrapper colItemsUdt = TypeWrappersPool.Pool.GetTypeWrapper(colItemType, this);
if (serType == YAXCollectionSerializationTypes.Serially && elemToAdd.IsEmpty)
{
var sb = new StringBuilder();
bool isFirst = true;
object objToAdd = null;
foreach (object obj in collectionInst)
{
if (colItemsUdt.IsEnum)
objToAdd = colItemsUdt.EnumWrapper.GetAlias(obj);
else if (format != null)
objToAdd = ReflectionUtils.TryFormatObject(obj, format);
else
objToAdd = obj;
if (isFirst)
{
sb.Append(objToAdd.ToXmlValue());
isFirst = false;
}
else
{
sb.AppendFormat(CultureInfo.InvariantCulture, "{0}{1}", seperator, objToAdd);
}
}
bool alreadyAdded = false;
elemToAdd = MakeBaseElement(insertionLocation, elementName, sb.ToString(), out alreadyAdded);
if (alreadyAdded)
elemToAdd = null;
}
else
{
//var elem = new XElement(elementName, null);
object objToAdd = null;
foreach (object obj in collectionInst)
{
objToAdd = (format == null) ? obj : ReflectionUtils.TryFormatObject(obj, format);
var curElemName = eachElementName;
if(curElemName == null)
{
UdtWrapper udt = TypeWrappersPool.Pool.GetTypeWrapper(obj.GetType(), this);
curElemName = udt.Alias;
}
XElement itemElem = this.AddObjectToElement(elemToAdd, curElemName.OverrideNsIfEmpty(elementName.Namespace), objToAdd);
if (!obj.GetType().EqualsOrIsNullableOf(colItemType))
{
itemElem.AddAttributeNamespaceSafe(m_yaxLibNamespaceUri + m_trueTypeAttrName, obj.GetType().FullName, m_documentDefaultNamespace);
if (itemElem.Parent == null) // i.e., it has been removed, e.g., because all its members have been serialized outside the element
elemToAdd.Add(itemElem); // return it back, or undelete this item
RegisterYaxLibNamespace();
}
}
}
int[] arrayDims = ReflectionUtils.GetArrayDimensions(elementValue);
if (arrayDims != null && arrayDims.Length > 1)
{
elemToAdd.AddAttributeNamespaceSafe(m_yaxLibNamespaceUri + m_dimsAttrName, StringUtils.GetArrayDimsString(arrayDims), m_documentDefaultNamespace);
RegisterYaxLibNamespace();
}
return elemToAdd;
}
/// <summary>
/// Makes an XML element with the specified name, corresponding to the object specified.
/// </summary>
/// <param name="insertionLocation">The insertion location.</param>
/// <param name="name">The name of the element.</param>
/// <param name="value">The object to be serialized in an XML element.</param>
/// <param name="alreadyAdded">if set to <c>true</c> specifies the element returned is
/// already added to the parent element and should not be added once more.</param>
/// <returns>
/// an instance of <c>XElement</c> which will contain the serialized object,
/// or <c>null</c> if the serialized object is already added to the base element
/// </returns>
private XElement MakeBaseElement(XElement insertionLocation, XName name, object value, out bool alreadyAdded)
{
alreadyAdded = false;
if (value == null || ReflectionUtils.IsBasicType(value.GetType()))
{
if (value != null)
value = value.ToXmlValue();
return new XElement(name, value);
}
else if (ReflectionUtils.IsStringConvertibleIFormattable(value.GetType()))
{
object elementValue = value.GetType().InvokeMember("ToString", BindingFlags.InvokeMethod, null, value, new object[0]);
return new XElement(name, elementValue);
}
else
{
var ser = new YAXSerializer(value.GetType(), m_exceptionPolicy, m_defaultExceptionType, m_serializationOption);
ser.m_documentDefaultNamespace = m_documentDefaultNamespace;
ser.SetNamespaceToOverrideEmptyNamespace(name.Namespace);
ser.SetBaseElement(insertionLocation);
XElement elem = ser.SerializeBase(value, name);
ImportNamespaces(ser);
m_parsingErrors.AddRange(ser.ParsingErrors);
alreadyAdded = true;
return elem;
}
}
/// <summary>
/// Creates a dictionary element according to the specified options, as described
/// by the attribute instances.
/// </summary>
/// <param name="insertionLocation">The insertion location.</param>
/// <param name="elementName">Name of the element.</param>
/// <param name="elementValue">The element value, corresponding to a dictionary object.</param>
/// <param name="dicAttrInst">reference to the dictionary attribute instance.</param>
/// <param name="collectionAttrInst">reference to collection attribute instance.</param>
/// <returns>
/// an instance of <c>XElement</c> which contains the dictionary object
/// serialized properly
/// </returns>
private XElement MakeDictionaryElement(
XElement insertionLocation,
XName elementName,
object elementValue,
YAXDictionaryAttribute dicAttrInst,
YAXCollectionAttribute collectionAttrInst)
{
if (elementValue == null)
{
return new XElement(elementName);
}
Type keyType, valueType;
if (!ReflectionUtils.IsIDictionary(elementValue.GetType(), out keyType, out valueType))
{
throw new ArgumentException("elementValue must be a Dictionary");
}
// serialize other non-collection members
var ser = new YAXSerializer(elementValue.GetType(), m_exceptionPolicy, m_defaultExceptionType, m_serializationOption);
ser.m_documentDefaultNamespace = m_documentDefaultNamespace;
ser.SetNamespaceToOverrideEmptyNamespace(elementName.Namespace);
ser.SetBaseElement(insertionLocation);
XElement elem = ser.SerializeBase(elementValue, elementName);
ImportNamespaces(ser);
m_parsingErrors.AddRange(ser.ParsingErrors);
// now iterate through collection members
var dicInst = elementValue as IEnumerable;
bool isKeyAttrib = false;
bool isValueAttrib = false;
bool isKeyContent = false;
bool isValueContent = false;
string keyFormat = null;
string valueFormat = null;
XName keyAlias = elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone() + "Key";
XName valueAlias = elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone() + "Value";
XName eachElementName = null;
if (collectionAttrInst != null && !String.IsNullOrEmpty(collectionAttrInst.EachElementName))
{
eachElementName = StringUtils.RefineSingleElement(collectionAttrInst.EachElementName);
if (eachElementName.Namespace.IsEmpty())
RegisterNamespace(eachElementName.Namespace, null);
eachElementName = eachElementName.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
}
if (dicAttrInst != null)
{
if (dicAttrInst.EachPairName != null)
{
eachElementName = StringUtils.RefineSingleElement(dicAttrInst.EachPairName);
if (eachElementName.Namespace.IsEmpty())
RegisterNamespace(eachElementName.Namespace, null);
eachElementName = eachElementName.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
}
if (dicAttrInst.SerializeKeyAs == YAXNodeTypes.Attribute)
{
isKeyAttrib = ReflectionUtils.IsBasicType(keyType);
}
else if (dicAttrInst.SerializeKeyAs == YAXNodeTypes.Content)
{
isKeyContent = ReflectionUtils.IsBasicType(keyType);
}
if (dicAttrInst.SerializeValueAs == YAXNodeTypes.Attribute)
{
isValueAttrib = ReflectionUtils.IsBasicType(valueType);
}
else if (dicAttrInst.SerializeValueAs == YAXNodeTypes.Content)
{
isValueContent = ReflectionUtils.IsBasicType(valueType);
}
keyFormat = dicAttrInst.KeyFormatString;
valueFormat = dicAttrInst.ValueFormatString;
keyAlias = StringUtils.RefineSingleElement(dicAttrInst.KeyName ?? "Key");
if (keyAlias.Namespace.IsEmpty())
RegisterNamespace(keyAlias.Namespace, null);
keyAlias = keyAlias.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
valueAlias = StringUtils.RefineSingleElement(dicAttrInst.ValueName ?? "Value");
if (valueAlias.Namespace.IsEmpty())
RegisterNamespace(valueAlias.Namespace, null);
valueAlias = valueAlias.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
}
foreach (object obj in dicInst)
{
object keyObj = obj.GetType().GetProperty("Key").GetValue(obj, null);
object valueObj = obj.GetType().GetProperty("Value").GetValue(obj, null);
bool areKeyOfSameType = true;
bool areValueOfSameType = true;
if (keyObj != null && !keyObj.GetType().EqualsOrIsNullableOf(keyType))
areKeyOfSameType = false;
if (valueObj != null && !valueObj.GetType().EqualsOrIsNullableOf(valueType))
areValueOfSameType = false;
if (keyFormat != null)
{
keyObj = ReflectionUtils.TryFormatObject(keyObj, keyFormat);
}
if (valueFormat != null)
{
valueObj = ReflectionUtils.TryFormatObject(valueObj, valueFormat);
}
if (eachElementName == null)
{
eachElementName = StringUtils.RefineSingleElement(ReflectionUtils.GetTypeFriendlyName(obj.GetType()));
eachElementName = eachElementName.OverrideNsIfEmpty(elementName.Namespace.IfEmptyThen(TypeNamespace).IfEmptyThenNone());
}
var elemChild = new XElement(eachElementName, null);
if (isKeyAttrib && areKeyOfSameType)
{
elemChild.AddAttributeNamespaceSafe(keyAlias, keyObj, m_documentDefaultNamespace);
}
else if (isKeyContent && areKeyOfSameType)
{
elemChild.AddXmlContent(keyObj);
}
else
{
XElement addedElem = AddObjectToElement(elemChild, keyAlias, keyObj);
if (!areKeyOfSameType)
{
if (addedElem.Parent == null)
{
// sometimes empty elements are removed because its members are serialized in
// other elements, therefore we need to make sure to re-add the element.
elemChild.Add(addedElem);
}
addedElem.AddAttributeNamespaceSafe(m_yaxLibNamespaceUri + m_trueTypeAttrName, keyObj.GetType().FullName, m_documentDefaultNamespace);
RegisterYaxLibNamespace();
}
}
if (isValueAttrib && areValueOfSameType)
{
elemChild.AddAttributeNamespaceSafe(valueAlias, valueObj, m_documentDefaultNamespace);
}
else if (isValueContent && areValueOfSameType)
{
elemChild.AddXmlContent(valueObj);
}
else
{
XElement addedElem = AddObjectToElement(elemChild, valueAlias, valueObj);
if (!areValueOfSameType)
{
if (addedElem.Parent == null)
{
// sometimes empty elements are removed because its members are serialized in
// other elements, therefore we need to make sure to re-add the element.
elemChild.Add(addedElem);
}
addedElem.AddAttributeNamespaceSafe(m_yaxLibNamespaceUri + m_trueTypeAttrName, valueObj.GetType().FullName, m_documentDefaultNamespace);
RegisterYaxLibNamespace();
}
}
elem.Add(elemChild);
}
return elem;
}