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//
// System.ComponentModel.Design.Serialization.CodeDomSerializer
//
// Authors:
// Ivan N. Zlatev (contact i-nZ.net)
//
// (C) 2007 Ivan N. Zlatev
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.CodeDom;
namespace System.ComponentModel.Design.Serialization
{
public class CodeDomSerializer : CodeDomSerializerBase
{
public CodeDomSerializer ()
{
}
public virtual object SerializeAbsolute (IDesignerSerializationManager manager, object value)
{
if (value == null)
throw new ArgumentNullException ("value");
if (manager == null)
throw new ArgumentNullException ("manager");
SerializeAbsoluteContext context = new SerializeAbsoluteContext ();
manager.Context.Push (context);
object result = this.Serialize (manager, value);
manager.Context.Pop ();
return result;
}
public virtual object Serialize (IDesignerSerializationManager manager, object value)
{
if (value == null)
throw new ArgumentNullException ("value");
if (manager == null)
throw new ArgumentNullException ("manager");
object serialized = null;
bool isComplete = false;
CodeExpression createExpr = base.SerializeCreationExpression (manager, value, out isComplete);
if (createExpr != null) {
if (isComplete) {
serialized = createExpr;
} else {
CodeStatementCollection statements = new CodeStatementCollection ();
base.SerializeProperties (manager, statements, value, new Attribute[0]);
base.SerializeEvents (manager, statements, value, new Attribute[0]);
serialized = statements;
}
base.SetExpression (manager, value, createExpr);
}
return serialized;
}
[Obsolete ("This method has been deprecated. Use SerializeToExpression or GetExpression instead.")]
protected CodeExpression SerializeToReferenceExpression (IDesignerSerializationManager manager, object value)
{
return base.SerializeToExpression (manager, value);
}
// I am not sure what this does, but the only name I can think of this can get is a variable name from
// the expression
public virtual string GetTargetComponentName (CodeStatement statement, CodeExpression expression, Type targetType)
{
if (expression is CodeFieldReferenceExpression)
return ((CodeFieldReferenceExpression) expression).FieldName;
else if (expression is CodeVariableReferenceExpression)
return ((CodeVariableReferenceExpression) expression).VariableName;
return null;
}
public virtual CodeStatementCollection SerializeMember (IDesignerSerializationManager manager,
object owningObject, MemberDescriptor member)
{
if (member == null)
throw new ArgumentNullException ("member");
if (owningObject == null)
throw new ArgumentNullException ("owningObject");
if (manager == null)
throw new ArgumentNullException ("manager");
CodeStatementCollection statements = new CodeStatementCollection ();
CodeExpression expression = base.GetExpression (manager, owningObject);
if (expression == null) {
string name = manager.GetName (owningObject);
if (name == null)
name = base.GetUniqueName (manager, owningObject);
expression = new CodeVariableReferenceExpression (name);
base.SetExpression (manager, owningObject, expression);
}
if (member is PropertyDescriptor)
base.SerializeProperty (manager, statements, owningObject, (PropertyDescriptor) member);
if (member is EventDescriptor)
base.SerializeEvent (manager, statements, owningObject, (EventDescriptor) member);
return statements;
}
public virtual CodeStatementCollection SerializeMemberAbsolute (IDesignerSerializationManager manager,
object owningObject, MemberDescriptor member)
{
if (member == null)
throw new ArgumentNullException ("member");
if (owningObject == null)
throw new ArgumentNullException ("owningObject");
if (manager == null)
throw new ArgumentNullException ("manager");
SerializeAbsoluteContext context = new SerializeAbsoluteContext (member);
manager.Context.Push (context);
CodeStatementCollection result = this.SerializeMember (manager, owningObject, member);
manager.Context.Pop ();
return result;
}
public virtual object Deserialize (IDesignerSerializationManager manager, object codeObject)
{
object deserialized = null;
CodeExpression expression = codeObject as CodeExpression;
if (expression != null)
deserialized = base.DeserializeExpression (manager, null, expression);
CodeStatement statement = codeObject as CodeStatement;
if (statement != null)
deserialized = DeserializeStatementToInstance (manager, statement);
CodeStatementCollection statements = codeObject as CodeStatementCollection;
if (statements != null) {
foreach (CodeStatement s in statements) {
if (deserialized == null)
deserialized = DeserializeStatementToInstance (manager, s);
else
DeserializeStatement (manager, s);
}
}
return deserialized;
}
protected object DeserializeStatementToInstance (IDesignerSerializationManager manager, CodeStatement statement)
{
CodeAssignStatement assignment = statement as CodeAssignStatement;
if (assignment != null) {
// CodeFieldReferenceExpression
//
CodeFieldReferenceExpression fieldRef = assignment.Left as CodeFieldReferenceExpression;
if (fieldRef != null)
return base.DeserializeExpression (manager, fieldRef.FieldName, assignment.Right);
}
base.DeserializeStatement (manager, statement);
return null;
}
}
}
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