PackageSerializationManager(
)
{
_serializersCacheManager = new SerializersCacheManager(this);
_graphContextStack = new ContextStack();
this._rootSerializableObjectContext = null;
}
CanSerializeProperty(
MemberInfo memberInfo,
SerializersCacheManager serializersCacheManager,
out DesignerSerializationVisibility visibility,
out Type serializerTypeForProperty,
out TypeConverter typeConverterForProperty,
out DefaultValueAttribute defaultValueAttr,
out DesignerSerializationOptionsAttribute designerSerializationFlagsAttr
)
{
bool canSerializeProperty = false;
// The conditions that we care about in those properties are as follows
// 1. Properties that are decorated with the DesignerSerializationVisibility
// and that are not hidden
//
visibility = DesignerSerializationVisibility.Visible;
serializerTypeForProperty = null;
typeConverterForProperty = null;
defaultValueAttr = null;
designerSerializationFlagsAttr = null;
Attribute[] attributes = Attribute.GetCustomAttributes(memberInfo);
for (int numberOfAttributes = 0;
numberOfAttributes < attributes.Length;
numberOfAttributes++)
{
//
// Based on the attribute type, different properties could be set
//
Attribute attribute = attributes[numberOfAttributes];
if (attribute is DesignerSerializationVisibilityAttribute)
{
visibility = ((DesignerSerializationVisibilityAttribute)attribute).Visibility;
}
else if (attribute is DefaultValueAttribute)
{
defaultValueAttr = (DefaultValueAttribute)attribute;
}
else if (attribute is DesignerSerializationOptionsAttribute)
{
designerSerializationFlagsAttr = (DesignerSerializationOptionsAttribute)attribute;
}
}
if (visibility != DesignerSerializationVisibility.Hidden)
{
canSerializeProperty = true;
}
return(canSerializeProperty);
}
GetClrSerializableProperties(
SerializersCacheManager serializersCacheManager
)
{
if (clrSerializableProperties == null)
{
PropertyInfo[] properties = type.GetProperties();
//
// Separate out the serializable Clr properties
//
int IndexOfSerializableProperties = 0;
int[] propertiesIndex = new int[properties.Length];
TypePropertyCache[] cachedProperties = new TypePropertyCache[properties.Length];
for (int indexInProperties = 0;
indexInProperties < properties.Length;
indexInProperties++)
{
PropertyInfo propertyInfo = properties[indexInProperties];
DesignerSerializationVisibility visibility = DesignerSerializationVisibility.Visible;
Type serializerTypeForProperty = null;
TypeConverter typeConverterForProperty = null;
DefaultValueAttribute defaultValueAttr = null;
DesignerSerializationOptionsAttribute
designerSerializationFlagsAttr = null;
if (CanSerializeProperty(propertyInfo,
serializersCacheManager,
out visibility,
out serializerTypeForProperty,
out typeConverterForProperty,
out defaultValueAttr,
out designerSerializationFlagsAttr) == true)
{
//
// Figure out the Serializer or TypeConverter associated with the
// type of that property. This would potentially be cached in 2
// different places
// 1. The Type Cache
// 2. The TypePropertyCache.
//
TypeCacheItem typeCacheItem = serializersCacheManager.GetTypeCacheItem(propertyInfo.PropertyType);
serializerTypeForProperty = typeCacheItem.SerializerType;
typeConverterForProperty = typeCacheItem.TypeConverter;
//
// We create a cache of this property and all the information we
// deduced about it
//
TypePropertyCache propertyCache = new TypePropertyCache(propertyInfo,
visibility,
serializerTypeForProperty,
typeConverterForProperty,
defaultValueAttr,
designerSerializationFlagsAttr);
propertiesIndex[IndexOfSerializableProperties] = indexInProperties;
cachedProperties[IndexOfSerializableProperties++] = propertyCache;
}
}
clrSerializableProperties = new TypePropertyCache[IndexOfSerializableProperties];
for (int indexInClrProperties = 0;
indexInClrProperties < IndexOfSerializableProperties;
indexInClrProperties++)
{
clrSerializableProperties[indexInClrProperties] = cachedProperties[indexInClrProperties];
}
}
return(clrSerializableProperties);
}
CanSerializeProperty(
PropertyInfo propertyInfo,
SerializersCacheManager serializersCacheManager,
out DesignerSerializationVisibility visibility,
out Type serializerTypeForProperty,
out TypeConverter typeConverterForProperty,
out DefaultValueAttribute defaultValueAttr,
out DesignerSerializationOptionsAttribute designerSerializationFlagsAttr
)
{
bool canSerializeProperty = false;
visibility = DesignerSerializationVisibility.Visible;
serializerTypeForProperty = null;
typeConverterForProperty = null;
defaultValueAttr = null;
designerSerializationFlagsAttr = null;
// The conditions that we care about in those properties are as follows
// 1. Readable properties
// 2. None Indexable Properteis.
// So we can't deal with properties that take name: Item OR
// take the form this[index1, index2, ...]
// 3. Properties that are not backed up by a dependency property
// 4. Properties that are decorated with the DesignerSerializationVisibility
// and that are not hidden
//
if (propertyInfo.CanRead &&
propertyInfo.GetIndexParameters().GetLength(0) == 0)
{
MemberInfo memberInfo = (MemberInfo)propertyInfo;
Attribute[] attributes = Attribute.GetCustomAttributes(memberInfo);
for (int numberOfAttributes = 0;
numberOfAttributes < attributes.Length;
numberOfAttributes++)
{
//
// Based on the attribute type, different properties could be set
//
Attribute attribute = attributes[numberOfAttributes];
if (attribute is DesignerSerializationVisibilityAttribute)
{
visibility = ((DesignerSerializationVisibilityAttribute)attribute).Visibility;
}
else if (attribute is DefaultValueAttribute)
{
defaultValueAttr = (DefaultValueAttribute)attribute;
}
else if (attribute is DesignerSerializationOptionsAttribute)
{
designerSerializationFlagsAttr = (DesignerSerializationOptionsAttribute)attribute;
}
}
object DependencyPropertyORPropertyInfo =
DependencyProperty.FromName(propertyInfo.Name, propertyInfo.DeclaringType);
if (DependencyPropertyORPropertyInfo == null &&
visibility != DesignerSerializationVisibility.Hidden &&
(propertyInfo.CanWrite || visibility == DesignerSerializationVisibility.Content))
{
if (visibility != DesignerSerializationVisibility.Hidden)
{
canSerializeProperty = true;
}
}
}
return(canSerializeProperty);
}
