private bool GetElementInfo(IntermediateSerializer serializer, MemberInfo member, out ElementInfo info)
{
info = new ElementInfo();
// Are we ignoring this property?
if (ReflectionHelpers.GetCustomAttribute(member, typeof(ContentSerializerIgnoreAttribute)) != null)
return false;
var prop = member as PropertyInfo;
var field = member as FieldInfo;
// If we can write or read from it we can skip it.
if (prop != null && (!prop.CanWrite || !prop.CanRead))
return false;
// Default the to member name as the element name.
info.Name = member.Name;
var attrib = ReflectionHelpers.GetCustomAttribute(member, typeof(ContentSerializerAttribute)) as ContentSerializerAttribute;
if (attrib != null)
{
if (!string.IsNullOrEmpty(attrib.ElementName))
info.Name = attrib.ElementName;
}
else if (prop != null)
{
if (!ReflectionHelpers.PropertyIsPublic(prop))
return false;
}
else if (field != null)
{
if (!field.IsPublic)
return false;
}
if (prop != null)
{
info.Serializer = serializer.GetTypeSerializer(prop.PropertyType);
info.Setter = (o, v) => prop.SetValue(o, v, null);
info.Getter = (o) => prop.GetValue(o, null);
}
else if (field != null)
{
info.Serializer = serializer.GetTypeSerializer(field.FieldType);
info.Setter = field.SetValue;
info.Getter = field.GetValue;
}
return true;
}
protected internal override void ScanChildren(IntermediateSerializer serializer, ChildCallback callback, NamedValueDictionary <T> value)
{
foreach (var kvp in value)
{
callback(serializer.GetTypeSerializer(typeof(T)), kvp.Value);
}
}
protected internal override void Initialize(IntermediateSerializer serializer)
{
_keySerializer = serializer.GetTypeSerializer(typeof(string));
_keyFormat = new ContentSerializerAttribute
{
ElementName = "Key",
AllowNull = false
};
_valueFormat = new ContentSerializerAttribute
{
ElementName = "Value",
AllowNull = typeof(T).IsValueType
};
}
internal CollectionHelper(IntermediateSerializer serializer, Type type)
{
this.targetType = type;
Type type2 = CollectionUtils.CollectionElementType(type, false);
if (type2 == null)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, Resources.NotACollectionType, new object[]
{
type
}));
}
this.contentSerializer = serializer.GetTypeSerializer(type2);
Type type3 = typeof(ICollection<>).MakeGenericType(new Type[]
{
type2
});
this.countPropertyGetter = ReflectionEmitUtils.GenerateGetter(type3.GetProperty("Count"));
this.addToCollection = ReflectionEmitUtils.GenerateAddToCollection(type3, type2);
}
private bool GetElementInfo(IntermediateSerializer serializer, MemberInfo member, out ElementInfo info)
{
info = new ElementInfo();
// Are we ignoring this property?
if (ReflectionHelpers.GetCustomAttribute<ContentSerializerIgnoreAttribute>(member) != null)
return false;
var prop = member as PropertyInfo;
var field = member as FieldInfo;
var attrib = ReflectionHelpers.GetCustomAttribute<ContentSerializerAttribute>(member);
if (attrib != null)
{
// Store the attribute for later use.
info.Attribute = attrib.Clone();
// Default the to member name as the element name.
if (string.IsNullOrEmpty(attrib.ElementName))
info.Attribute.ElementName = member.Name;
}
else
{
// We don't have a serializer attribute, so we can
// only access this member thru a public field/property.
if (prop != null)
{
// If we don't have at least a public getter then this
// property can't be serialized or deserialized in any way.
if (prop.GetGetMethod() == null)
return false;
// If there is a setter, but it's private, then don't include this element
// (although technically we could, as long as we have a serializer with
// CanDeserializeIntoExistingObject=true for this property type)
var setter = prop.GetSetMethod(true);
if (setter != null && !setter.IsPublic)
return false;
// If there is no setter, and we don't have a type serializer
// that can deserialize into an existing object, then we have no way
// for it to be deserialized.
if (setter == null && !serializer.GetTypeSerializer(prop.PropertyType).CanDeserializeIntoExistingObject)
return false;
// Don't serialize or deserialize indexers.
if (prop.GetIndexParameters().Any())
return false;
}
else if (field != null)
{
if (!field.IsPublic)
return false;
}
info.Attribute = new ContentSerializerAttribute();
info.Attribute.ElementName = member.Name;
}
if (prop != null)
{
info.Serializer = serializer.GetTypeSerializer(prop.PropertyType);
if (prop.CanWrite)
info.Setter = (o, v) => prop.SetValue(o, v, null);
info.Getter = o => prop.GetValue(o, null);
}
else if (field != null)
{
info.Serializer = serializer.GetTypeSerializer(field.FieldType);
info.Setter = field.SetValue;
info.Getter = field.GetValue;
}
return true;
}
protected internal override void ScanChildren(IntermediateSerializer serializer, ChildCallback callback, object value)
{
if (serializer.AlreadyScanned(value))
return;
// First scan the base type.
if (_baseSerializer != null)
_baseSerializer.ScanChildren(serializer, callback, value);
// Now scan our own elements.
foreach (var info in _elements)
{
var elementValue = info.Getter(value);
callback(info.Serializer, elementValue);
var elementSerializer = info.Serializer;
if (elementValue != null)
elementSerializer = serializer.GetTypeSerializer(elementValue.GetType());
elementSerializer.ScanChildren(serializer, callback, elementValue);
}
}
protected internal override void Initialize(IntermediateSerializer serializer)
{
// If we have a base type then we need to deserialize it first.
if (TargetType.BaseType != null)
_baseSerializer = serializer.GetTypeSerializer(TargetType.BaseType);
// Cache all our serializable properties.
var properties = TargetType.GetProperties(_bindingFlags);
foreach (var prop in properties)
{
ElementInfo info;
if (GetElementInfo(serializer, prop, out info))
_elements.Add(info);
}
// Cache all our serializable fields.
var fields = TargetType.GetFields(_bindingFlags);
foreach (var field in fields)
{
ElementInfo info;
if (GetElementInfo(serializer, field, out info))
_elements.Add(info);
}
}