private object DeserializeEntry(IDesignerSerializationManager manager, ObjectEntry objectEntry)
{
object deserialized = null;
if (objectEntry.IsEntireObject)
{
CodeDomSerializer serializer = (CodeDomSerializer)manager.GetSerializer(objectEntry.Type,
typeof(CodeDomSerializer));
if (serializer != null)
{
deserialized = serializer.Deserialize(manager, objectEntry.Serialized);
// check if the name of the object has changed
// (if it e.g clashes with another name)
string newName = manager.GetName(deserialized);
if (newName != objectEntry.Name)
{
objectEntry.Name = newName;
}
}
}
else
{
foreach (MemberEntry memberEntry in objectEntry.Members.Values)
{
CodeDomSerializer serializer = (CodeDomSerializer)manager.GetSerializer(objectEntry.Type,
typeof(CodeDomSerializer));
if (serializer != null)
{
serializer.Deserialize(manager, memberEntry.Serialized);
}
}
}
return(deserialized);
}
protected override void PerformLoad(IDesignerSerializationManager manager)
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
CodeCompileUnit document = this.Parse();
if (document == null)
{
throw new NotSupportedException("The language did not provide a code parser for this file");
}
string namespaceName = null;
CodeTypeDeclaration rootDocument = GetFirstCodeTypeDecl(document, out namespaceName);
if (rootDocument == null)
{
throw new InvalidOperationException("Cannot find a declaration in a namespace to load.");
}
_rootSerializer = manager.GetSerializer(manager.GetType(rootDocument.BaseTypes[0].BaseType),
typeof(RootCodeDomSerializer)) as CodeDomSerializer;
if (_rootSerializer == null)
{
throw new InvalidOperationException("Serialization not supported for this class");
}
_rootSerializer.Deserialize(manager, rootDocument);
base.SetBaseComponentClassName(namespaceName + "." + rootDocument.Name);
}
public CodeDomSerializationProvider()
{
_componentSerializer = new ComponentCodeDomSerializer();
_propertySerializer = new PropertyCodeDomSerializer();
_eventSerializer = new EventCodeDomSerializer();
_collectionSerializer = new CollectionCodeDomSerializer();
_primitiveSerializer = new PrimitiveCodeDomSerializer();
_rootSerializer = new RootCodeDomSerializer();
_enumSerializer = new EnumCodeDomSerializer();
_othersSerializer = new CodeDomSerializer();
}
protected CodeDomSerializer GetSerializer(IDesignerSerializationManager manager, object instance)
{
DesignerSerializerAttribute attrInstance, attrType;
attrType = attrInstance = null;
CodeDomSerializer serializer = null;
if (instance == null)
{
serializer = this.GetSerializer(manager, null);
}
else
{
AttributeCollection attributes = TypeDescriptor.GetAttributes(instance);
foreach (Attribute a in attributes)
{
DesignerSerializerAttribute designerAttr = a as DesignerSerializerAttribute;
if (designerAttr != null && manager.GetType(designerAttr.SerializerBaseTypeName) == typeof(CodeDomSerializer))
{
attrInstance = designerAttr;
break;
}
}
attributes = TypeDescriptor.GetAttributes(instance.GetType());
foreach (Attribute a in attributes)
{
DesignerSerializerAttribute designerAttr = a as DesignerSerializerAttribute;
if (designerAttr != null && manager.GetType(designerAttr.SerializerBaseTypeName) == typeof(CodeDomSerializer))
{
attrType = designerAttr;
break;
}
}
// if there is metadata modification in the instance then create the specified serializer instead of the one
// in the Type.
if (attrType != null && attrInstance != null && attrType.SerializerTypeName != attrInstance.SerializerTypeName)
{
serializer = Activator.CreateInstance(manager.GetType(attrInstance.SerializerTypeName)) as CodeDomSerializer;
}
else
{
serializer = this.GetSerializer(manager, instance.GetType());
}
}
return(serializer);
}
private void SerializeContentProperty(IDesignerSerializationManager manager, object component,
PropertyDescriptor descriptor, CodeStatementCollection statements)
{
CodePropertyReferenceExpression propRef = new CodePropertyReferenceExpression();
propRef.PropertyName = descriptor.Name;
object value = descriptor.GetValue(component);
ExpressionContext expressionCtx = manager.Context[typeof(ExpressionContext)] as ExpressionContext;
if (expressionCtx != null && expressionCtx.PresetValue == component)
{
propRef.TargetObject = expressionCtx.Expression;
}
else
{
manager.Context.Push(new CodeStatementCollection());
propRef.TargetObject = TryGetCachedExpression(manager, component, propRef, value);
manager.Context.Pop();
}
CodeDomSerializer serializer = manager.GetSerializer(value.GetType(), typeof(CodeDomSerializer)) as CodeDomSerializer;
if (propRef.TargetObject != null && serializer != null)
{
// request full serialization (presetvalue == instance)
//
manager.Context.Push(new ExpressionContext(propRef, propRef.GetType(), component, value));
object serialized = serializer.Serialize(manager, value);
manager.Context.Pop();
CodeStatementCollection serializedStatements = serialized as CodeStatementCollection;
if (serializedStatements != null)
{
statements.AddRange(serializedStatements);
}
CodeStatement serializedStatement = serialized as CodeStatement;
if (serializedStatement != null)
{
statements.Add(serializedStatement);
}
CodeExpression serializedExpr = serialized as CodeExpression;
if (serializedExpr != null)
{
statements.Add(new CodeAssignStatement(propRef, serializedExpr));
}
}
}
private void SerializeComponent(IDesignerSerializationManager manager, IComponent component)
{
CodeDomSerializer serializer = base.GetSerializer(manager, component) as CodeDomSerializer; // ComponentCodeDomSerializer
if (serializer != null)
{
this.Code.AddField(new CodeMemberField(component.GetType(), manager.GetName(component)));
CodeStatementCollection statements = (CodeStatementCollection)serializer.Serialize(manager, component);
CodeStatement ctorStatement = ExtractCtorStatement(manager, statements, component);
if (ctorStatement != null)
{
Code.AddPreInitStatement(ctorStatement);
}
Code.AddInitStatements(statements);
}
}
private void SerializeComponent(IDesignerSerializationManager manager, IComponent component)
{
CodeDomSerializer serializer = base.GetSerializer(manager, component) as CodeDomSerializer; // ComponentCodeDomSerializer
if (serializer != null)
{
this._codeMap.AddField(new CodeMemberField(component.GetType(), manager.GetName(component)));
// statements can be a CodeExpression if the full serialization has been completed prior
// to this serialization call (e.g when it is requested during the serialization of another
// component.
//
CodeStatementCollection statements = serializer.Serialize(manager, component) as CodeStatementCollection;
if (statements != null)
{
_codeMap.Add(statements);
}
CodeStatement statement = serializer.Serialize(manager, component) as CodeStatement;
if (statement != null)
{
_codeMap.Add(statement);
}
}
}
private void Serialize(IServiceProvider provider)
{
if (provider == null || _objects == null)
{
return;
}
// Use a new serialization manager to prevent from "deadlocking" the surface one
// by trying to create new session when one currently exists
//
InstanceRedirectorDesignerSerializationManager manager =
new InstanceRedirectorDesignerSerializationManager(provider, null, false);
((IDesignerSerializationManager)manager).AddSerializationProvider(CodeDomSerializationProvider.Instance);
IDisposable session = manager.CreateSession();
foreach (ObjectEntry objectEntry in _objects.Values)
{
if (objectEntry.IsEntireObject)
{
CodeDomSerializer serializer = (CodeDomSerializer)((IDesignerSerializationManager)manager).GetSerializer(objectEntry.Type,
typeof(CodeDomSerializer));
if (serializer != null)
{
object serialized = null;
if (objectEntry.Absolute)
{
serialized = serializer.SerializeAbsolute(manager,
objectEntry.Instance);
}
else
{
serialized = serializer.Serialize(manager, objectEntry.Instance);
}
objectEntry.Serialized = serialized;
}
}
else
{
foreach (MemberEntry memberEntry in objectEntry.Members.Values)
{
CodeDomSerializer serializer = (CodeDomSerializer)((IDesignerSerializationManager)manager).GetSerializer(
objectEntry.Type, typeof(CodeDomSerializer));
if (serializer != null)
{
object serialized = null;
if (memberEntry.Absolute)
{
serialized = serializer.SerializeMemberAbsolute(manager,
objectEntry.Instance,
memberEntry.Descriptor);
}
else
{
serialized = serializer.SerializeMember(manager,
objectEntry.Instance,
memberEntry.Descriptor);
}
memberEntry.Serialized = serialized;
}
}
}
}
_errors = manager.Errors;
ReportErrors(provider, _errors);
session.Dispose();
}
protected CodeExpression SerializeToExpression(IDesignerSerializationManager manager, object instance)
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
CodeExpression expression = null;
if (instance != null)
{
expression = this.GetExpression(manager, instance); // 1 - IDesignerSerializationManager.GetExpression
}
if (expression == null)
{
CodeDomSerializer serializer = this.GetSerializer(manager, instance); // 2 - manager.GetSerializer().Serialize()
if (serializer != null)
{
object serialized = serializer.Serialize(manager, instance);
expression = serialized as CodeExpression; // 3 - CodeStatement or CodeStatementCollection
if (expression == null)
{
CodeStatement statement = serialized as CodeStatement;
CodeStatementCollection statements = serialized as CodeStatementCollection;
if (statement != null || statements != null)
{
CodeStatementCollection contextStatements = null;
StatementContext context = manager.Context[typeof(StatementContext)] as StatementContext;
if (context != null && instance != null)
{
contextStatements = context.StatementCollection[instance];
}
if (contextStatements == null)
{
contextStatements = manager.Context[typeof(CodeStatementCollection)] as CodeStatementCollection;
}
if (contextStatements != null)
{
if (statements != null)
{
contextStatements.AddRange(statements);
}
else
{
contextStatements.Add(statement);
}
}
}
}
if (expression == null && instance != null)
{
expression = this.GetExpression(manager, instance); // 4
}
if (expression == null)
{
Console.WriteLine("SerializeToExpression: " + instance + " failed.");
}
}
}
return(expression);
}
public override object Serialize(IDesignerSerializationManager manager, object value)
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
// Add the provider to supply the ComponentCodeSerializer, Primitives..., etc
manager.AddSerializationProvider(_provider);
RootContext rootContext = new RootContext(new CodeThisReferenceExpression(), value);
manager.Context.Push(rootContext);
// Initialize code map
if (_codeMap != null)
{
_codeMap = new CodeMap(value.GetType(), manager.GetName(value));
}
_codeMap.Clear();
CodeStatementCollection statements = null;
CodeDomSerializer serializer = null;
foreach (object component in ((IComponent)value).Site.Container.Components)
{
if (!Object.ReferenceEquals(component, value))
{
serializer = base.GetSerializer(manager, component) as CodeDomSerializer; // ComponentCodeDomSerializer
if (serializer != null)
{
// add an expressioncontext to inform the component that we want it fully serialized (it is in context)
ExpressionContext context = new ExpressionContext(null, null, null, component);
manager.Context.Push(context);
_codeMap.AddField(new CodeMemberField(value.GetType(), manager.GetName(value)));
statements = (CodeStatementCollection)serializer.Serialize(manager, component);
manager.Context.Pop();
// XXX: what if there are more than one objects constructed by the serializer?
// this will only add the first one on the statements list.
CodeStatement ctorStatement = ExtractCtorStatement(statements);
if (ctorStatement != null)
{
_codeMap.AddPreInitStatement(ctorStatement);
}
_codeMap.AddInitStatements(statements);
}
}
}
// Serializer root component
//
statements = new CodeStatementCollection();
base.SerializeProperties(manager, statements, value, new Attribute[0]);
base.SerializeEvents(manager, statements, value, new Attribute[0]);
_codeMap.AddInitStatements(statements);
manager.Context.Pop();
return(_codeMap.GenerateClass());
}
