public void Constructor_Null_ICollection ()
{
InstanceDescriptor id = new InstanceDescriptor (null, new object[] { });
Assert.AreEqual (0, id.Arguments.Count, "#1");
Assert.IsTrue (id.IsComplete, "#2");
Assert.IsNull (id.MemberInfo, "#3");
Assert.IsNull (id.Invoke (), "#4");
}
public void Constructor_MemberInfo_ICollection_Boolean()
{
InstanceDescriptor id = new InstanceDescriptor(ci, new object[] { url }, false);
Assert.Equal(1, id.Arguments.Count);
Assert.False(id.IsComplete);
Assert.Same(ci, id.MemberInfo);
Uri uri = (Uri)id.Invoke();
Assert.Equal(url, uri.AbsoluteUri);
}
public void Constructor0_MemberInfo_Type ()
{
Type type = typeof (Uri);
InstanceDescriptor id = new InstanceDescriptor (type,
new object [] { url });
Assert.AreEqual (1, id.Arguments.Count, "#1");
Assert.IsTrue (id.IsComplete, "#2");
Assert.AreSame (type, id.MemberInfo, "#3");
Assert.IsNull (id.Invoke (), "#4");
}
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if(value is MobileTolerance) {
if(destinationType == typeof(string)) {
value.ToString();
}
if(destinationType == typeof(InstanceDescriptor)) {
MobileTolerance tolerance = value as MobileTolerance;
ConstructorInfo constructor = typeof(MobileTolerance).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(int) });
InstanceDescriptor instance = new InstanceDescriptor(constructor, new object[] { tolerance.Top, tolerance.Right, tolerance.Bottom, tolerance.Left });
return instance;
}
}
return base.ConvertTo(context, culture, value, destinationType);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, System.Type destinationType)
{
ConstructorInfo constructor;
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if (!(destinationType == typeof(InstanceDescriptor)) || !(value is ColumnHeader))
{
return base.ConvertTo(context, culture, value, destinationType);
}
ColumnHeader header = (ColumnHeader) value;
System.Type reflectionType = TypeDescriptor.GetReflectionType(value);
InstanceDescriptor descriptor = null;
if (header.ImageIndex != -1)
{
constructor = reflectionType.GetConstructor(new System.Type[] { typeof(int) });
if (constructor != null)
{
descriptor = new InstanceDescriptor(constructor, new object[] { header.ImageIndex }, false);
}
}
if ((descriptor == null) && !string.IsNullOrEmpty(header.ImageKey))
{
constructor = reflectionType.GetConstructor(new System.Type[] { typeof(string) });
if (constructor != null)
{
descriptor = new InstanceDescriptor(constructor, new object[] { header.ImageKey }, false);
}
}
if (descriptor != null)
{
return descriptor;
}
constructor = reflectionType.GetConstructor(new System.Type[0]);
if (constructor == null)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("NoDefaultConstructor", new object[] { reflectionType.FullName }));
}
return new InstanceDescriptor(constructor, new object[0], false);
}
/// <include file='doc\ColumnHeaderConverter.uex' path='docs/doc[@for="ColumnHeaderConverter.ConvertTo"]/*' />
/// <devdoc>
/// Converts the given object to another type. The most common types to convert
/// are to and from a string object. The default implementation will make a call
/// to ToString on the object if the object is valid and if the destination
/// type is string. If this cannot convert to the desitnation type, this will
/// throw a NotSupportedException.
/// </devdoc>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
if (destinationType == null) {
throw new ArgumentNullException("destinationType");
}
if (destinationType == typeof(InstanceDescriptor) && value is ColumnHeader) {
ColumnHeader col = (ColumnHeader) value;
ConstructorInfo ctor;
Type t = TypeDescriptor.GetReflectionType(value);
InstanceDescriptor id = null;
if (col.ImageIndex != -1) {
ctor = t.GetConstructor(new Type[]{typeof(int)});
if (ctor != null) {
id = new InstanceDescriptor(ctor, new object[]{col.ImageIndex}, false);
}
}
if (id == null && !String.IsNullOrEmpty(col.ImageKey)) {
ctor = t.GetConstructor(new Type[]{typeof(string)});
if (ctor != null) {
id = new InstanceDescriptor(ctor, new object[]{col.ImageKey}, false);
}
}
if (id == null) {
ctor = t.GetConstructor(new Type[0]);
if (ctor != null) {
return new InstanceDescriptor(ctor, new object[0], false);
}
else {
throw new ArgumentException(SR.GetString(SR.NoDefaultConstructor, t.FullName));
}
}
return id;
}
return base.ConvertTo(context, culture, value, destinationType);
}
private System.ComponentModel.TypeConverter.StandardValuesCollection GetCachedStandardValues(System.ComponentModel.ITypeDescriptorContext context)
{
if (_StandardValues == null)
{
FriendlyNameToInstanceDescriptorMap = new System.Collections.Hashtable();
System.Collections.ArrayList arrayList = new System.Collections.ArrayList();
arrayList.Add(DefaultRenderer);
FriendlyNameToInstanceDescriptorMap["(Default)"] = CreateInstanceDescriptor(DefaultRenderer);
System.Type[] typeArr = RendererType.Assembly.GetExportedTypes();
for (int i = 0; i < typeArr.Length; i++)
{
System.Type type = typeArr[i];
if (((type == RendererType) || type.IsSubclassOf(RendererType)) && !type.IsAbstract)
{
string s = Skybound.ComponentModel.DisplayNameAttribute.GetFriendlyName(type);
FriendlyNameToInstanceDescriptorMap[s] = new System.ComponentModel.Design.Serialization.InstanceDescriptor(type.GetConstructor(System.Type.EmptyTypes), null, true);
arrayList.Add(System.Activator.CreateInstance(type, null));
}
}
arrayList.Sort(this);
_StandardValues = new System.ComponentModel.TypeConverter.StandardValuesCollection(arrayList);
}
return _StandardValues;
}
private System.ComponentModel.TypeConverter.StandardValuesCollection GetCachedStandardValues(System.ComponentModel.ITypeDescriptorContext context)
{
if (_StandardValues == null)
{
FriendlyNameToInstanceDescriptorMap = new System.Collections.Hashtable();
System.Collections.ArrayList arrayList = new System.Collections.ArrayList();
arrayList.Add(DefaultRenderer);
FriendlyNameToInstanceDescriptorMap["(Default)"] = CreateInstanceDescriptor(DefaultRenderer);
System.Type[] typeArr = RendererType.Assembly.GetExportedTypes();
for (int i = 0; i < typeArr.Length; i++)
{
System.Type type = typeArr[i];
if (((type == RendererType) || type.IsSubclassOf(RendererType)) && !type.IsAbstract)
{
string s = Skybound.ComponentModel.DisplayNameAttribute.GetFriendlyName(type);
FriendlyNameToInstanceDescriptorMap[s] = new System.ComponentModel.Design.Serialization.InstanceDescriptor(type.GetConstructor(System.Type.EmptyTypes), null, true);
arrayList.Add(System.Activator.CreateInstance(type, null));
}
}
arrayList.Sort(this);
_StandardValues = new System.ComponentModel.TypeConverter.StandardValuesCollection(arrayList);
}
return(_StandardValues);
}
public void Property_Arguments_Mismatch ()
{
PropertyInfo pi = typeof (Thread).GetProperty ("CurrentPrincipal");
InstanceDescriptor id = new InstanceDescriptor (pi, new object [] { url });
Assert.AreEqual (1, id.Arguments.Count, "#1");
object [] arguments = new object [id.Arguments.Count];
id.Arguments.CopyTo (arguments, 0);
Assert.AreSame (url, arguments [0], "#2");
Assert.IsTrue (id.IsComplete, "#3");
Assert.AreSame (pi, id.MemberInfo, "#4");
try {
id.Invoke ();
Assert.Fail ("#5");
} catch (TargetParameterCountException) {
}
}
public void Property_Arguments_Null ()
{
PropertyInfo pi = typeof (Thread).GetProperty ("CurrentPrincipal");
InstanceDescriptor id = new InstanceDescriptor (pi, null);
Assert.AreEqual (0, id.Arguments.Count, "#1");
Assert.IsTrue (id.IsComplete, "#2");
Assert.AreSame (pi, id.MemberInfo, "#3");
Assert.IsNotNull (id.Invoke (), "#4");
}
CodeExpression GenerateInstance (InstanceDescriptor idesc, bool throwOnError)
{
CodeExpression[] parameters = new CodeExpression [idesc.Arguments.Count];
int n = 0;
foreach (object ob in idesc.Arguments) {
CodeExpression exp = GenerateObjectInstance (ob, throwOnError);
if (exp == null) return null;
parameters [n++] = exp;
}
switch (idesc.MemberInfo.MemberType) {
case MemberTypes.Constructor:
CodeTypeReference tob = new CodeTypeReference (idesc.MemberInfo.DeclaringType);
return new CodeObjectCreateExpression (tob, parameters);
case MemberTypes.Method:
CodeTypeReferenceExpression mt = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
return new CodeMethodInvokeExpression (mt, idesc.MemberInfo.Name, parameters);
case MemberTypes.Field:
CodeTypeReferenceExpression ft = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
return new CodeFieldReferenceExpression (ft, idesc.MemberInfo.Name);
case MemberTypes.Property:
CodeTypeReferenceExpression pt = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
return new CodePropertyReferenceExpression (pt, idesc.MemberInfo.Name);
}
throw new ParseException (currentLocation, "Invalid instance type.");
}
public void Field_Arguments_Null ()
{
FieldInfo fi = typeof (Uri).GetField ("SchemeDelimiter");
InstanceDescriptor id = new InstanceDescriptor (fi, null);
Assert.AreEqual (0, id.Arguments.Count, "#1");
Assert.IsTrue (id.IsComplete, "#2");
Assert.AreSame (fi, id.MemberInfo, "#3");
Assert.IsNotNull (id.Invoke (), "#4");
}
private XmlNode WriteInstanceDescriptor(XmlDocument document, InstanceDescriptor desc, object value)
{
XmlNode node = document.CreateElement("InstanceDescriptor");
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream stream = new MemoryStream();
formatter.Serialize(stream, desc.MemberInfo);
XmlAttribute memberAttr = document.CreateAttribute("member");
memberAttr.Value = Convert.ToBase64String(stream.ToArray());
node.Attributes.Append(memberAttr);
foreach (object arg in desc.Arguments)
{
XmlNode argNode = document.CreateElement("Argument");
if (this.WriteValue(document, arg, argNode))
{
node.AppendChild(argNode);
}
}
if (!desc.IsComplete)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(value, propertyAttributes);
this.WriteProperties(document, props, value, node, "Property");
}
return node;
}
private CodeExpression SerializeInstanceDescriptor (IDesignerSerializationManager manager, InstanceDescriptor descriptor)
{
CodeExpression expression = null;
MemberInfo member = descriptor.MemberInfo;
CodeExpression target = new CodeTypeReferenceExpression (member.DeclaringType);
if (member is PropertyInfo) {
expression = new CodePropertyReferenceExpression (target, member.Name);
} else if (member is FieldInfo) {
expression = new CodeFieldReferenceExpression (target, member.Name);
} else if (member is MethodInfo) {
expression = new CodeMethodReferenceExpression (target, member.Name);
} else if (member is ConstructorInfo) {
CodeExpression[] paramExpressions = null;
// process ctor params' expressions
if (descriptor.Arguments != null && descriptor.Arguments.Count > 0) {
paramExpressions = new CodeExpression[descriptor.Arguments.Count];
object[] arguments = new object [descriptor.Arguments.Count];
descriptor.Arguments.CopyTo (arguments, 0);
for (int i=0; i < paramExpressions.Length; i++) {
ExpressionContext parentContext = manager.Context[typeof (ExpressionContext)] as ExpressionContext;
if (parentContext != null) { // check if there is an expression context to add to
ExpressionContext currentContext = new ExpressionContext (parentContext.Expression, arguments[i].GetType (), parentContext.Owner);
manager.Context.Push (currentContext);
}
paramExpressions[i] = this.SerializeToExpression (manager, arguments[i]);
manager.Context.Pop ();
}
}
expression = new CodeObjectCreateExpression (member.DeclaringType, paramExpressions);
}
return expression;
}
private CodeExpression SerializeInstanceDescriptor(IDesignerSerializationManager manager, object value, InstanceDescriptor descriptor)
{
CodeExpression expression = null;
using (TraceScope("CodeDomSerializerBase::SerializeInstanceDescriptor"))
{
CodeExpression[] parameters = new CodeExpression[descriptor.Arguments.Count];
object[] array = new object[parameters.Length];
ParameterInfo[] infoArray = null;
if (parameters.Length > 0)
{
descriptor.Arguments.CopyTo(array, 0);
MethodBase memberInfo = descriptor.MemberInfo as MethodBase;
if (memberInfo != null)
{
infoArray = memberInfo.GetParameters();
}
}
bool flag = true;
for (int i = 0; i < parameters.Length; i++)
{
object obj2 = array[i];
CodeExpression expression2 = null;
ExpressionContext context = null;
ExpressionContext context2 = manager.Context[typeof(ExpressionContext)] as ExpressionContext;
if (context2 != null)
{
context = new ExpressionContext(context2.Expression, infoArray[i].ParameterType, context2.Owner);
manager.Context.Push(context);
}
try
{
expression2 = this.SerializeToExpression(manager, obj2);
}
finally
{
if (context != null)
{
manager.Context.Pop();
}
}
if (expression2 != null)
{
if ((obj2 != null) && !infoArray[i].ParameterType.IsAssignableFrom(obj2.GetType()))
{
expression2 = new CodeCastExpression(infoArray[i].ParameterType, expression2);
}
parameters[i] = expression2;
}
else
{
flag = false;
break;
}
}
if (!flag)
{
return expression;
}
Type declaringType = descriptor.MemberInfo.DeclaringType;
CodeTypeReference createType = new CodeTypeReference(declaringType);
if (descriptor.MemberInfo is ConstructorInfo)
{
expression = new CodeObjectCreateExpression(createType, parameters);
}
else if (descriptor.MemberInfo is MethodInfo)
{
CodeTypeReferenceExpression targetObject = new CodeTypeReferenceExpression(createType);
CodeMethodReferenceExpression method = new CodeMethodReferenceExpression(targetObject, descriptor.MemberInfo.Name);
expression = new CodeMethodInvokeExpression(method, parameters);
declaringType = ((MethodInfo) descriptor.MemberInfo).ReturnType;
}
else if (descriptor.MemberInfo is PropertyInfo)
{
CodeTypeReferenceExpression expression5 = new CodeTypeReferenceExpression(createType);
CodePropertyReferenceExpression expression6 = new CodePropertyReferenceExpression(expression5, descriptor.MemberInfo.Name);
expression = expression6;
declaringType = ((PropertyInfo) descriptor.MemberInfo).PropertyType;
}
else if (descriptor.MemberInfo is FieldInfo)
{
CodeTypeReferenceExpression expression7 = new CodeTypeReferenceExpression(createType);
expression = new CodeFieldReferenceExpression(expression7, descriptor.MemberInfo.Name);
declaringType = ((FieldInfo) descriptor.MemberInfo).FieldType;
}
Type type = value.GetType();
while (!type.IsPublic)
{
type = type.BaseType;
}
if (!type.IsAssignableFrom(declaringType))
{
expression = new CodeCastExpression(type, expression);
}
}
return expression;
}
public void Constructor_MemberInfo_ICollection ()
{
InstanceDescriptor id = new InstanceDescriptor (ci, new object[] { url });
Assert.AreEqual (1, id.Arguments.Count, "Arguments");
Assert.IsTrue (id.IsComplete, "IsComplete");
Assert.AreSame (ci, id.MemberInfo, "MemberInfo");
Uri uri = (Uri) id.Invoke ();
Assert.AreEqual (url, uri.AbsoluteUri, "Invoke");
}
public void Property_Arguments_Null ()
{
#if MOBILE
// ensure the property is not linked out of the application since it make the test fails
Assert.NotNull (Thread.CurrentPrincipal, "pre-test");
#endif
PropertyInfo pi = typeof (Thread).GetProperty ("CurrentPrincipal");
InstanceDescriptor id = new InstanceDescriptor (pi, null);
Assert.AreEqual (0, id.Arguments.Count, "#1");
Assert.IsTrue (id.IsComplete, "#2");
Assert.AreSame (pi, id.MemberInfo, "#3");
Assert.IsNotNull (id.Invoke (), "#4");
}
public void Property_Arguments_Mismatch()
{
PropertyInfo pi = typeof(Thread).GetProperty("CurrentThread");
InstanceDescriptor id = new InstanceDescriptor(pi, new object[] { url });
Assert.Equal(1, id.Arguments.Count);
object[] arguments = new object[id.Arguments.Count];
id.Arguments.CopyTo(arguments, 0);
Assert.Same(url, arguments[0]);
Assert.True(id.IsComplete);
Assert.Same(pi, id.MemberInfo);
Assert.Throws<TargetParameterCountException>(() => id.Invoke());
}
public void Property_Arguments_Mismatch ()
{
#if MOBILE
// ensure the property is not linked out of the application since it make the test fails
Assert.NotNull (Thread.CurrentPrincipal, "pre-test");
#endif
PropertyInfo pi = typeof (Thread).GetProperty ("CurrentPrincipal");
InstanceDescriptor id = new InstanceDescriptor (pi, new object [] { url });
Assert.AreEqual (1, id.Arguments.Count, "#1");
object [] arguments = new object [id.Arguments.Count];
id.Arguments.CopyTo (arguments, 0);
Assert.AreSame (url, arguments [0], "#2");
Assert.IsTrue (id.IsComplete, "#3");
Assert.AreSame (pi, id.MemberInfo, "#4");
try {
id.Invoke ();
Assert.Fail ("#5");
} catch (TargetParameterCountException) {
}
}
/// <include file='doc\InstanceDescriptorCodeDomSerializer.uex' path='docs/doc[@for="InstanceDescriptorCodeDomSerializer.SerializeInstanceDescriptor"]/*' />
/// <devdoc>
/// Serializes the given instance descriptor into a code model expression.
/// </devdoc>
private object SerializeInstanceDescriptor(IDesignerSerializationManager manager, object value, InstanceDescriptor descriptor)
{
Debug.WriteLineIf(traceSerialization.TraceVerbose, "InstanceDescriptorCodeDomSerializer::SerializeInstanceDescriptor");
Debug.Indent();
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Member: " + descriptor.MemberInfo.Name);
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Argument count: " + descriptor.Arguments.Count);
// Serialize all of the arguments.
//
CodeExpression[] arguments = new CodeExpression[descriptor.Arguments.Count];
int i = 0;
bool paramsOk = true;
foreach (object argument in descriptor.Arguments)
{
CodeValueExpression codeValue = new CodeValueExpression(null, argument, (argument != null ? argument.GetType() : null));
manager.Context.Push(codeValue);
try {
arguments[i] = SerializeToExpression(manager, argument);
if (arguments[i] == null)
{
Debug.WriteLineIf(traceSerialization.TraceWarning, "WARNING: Parameter " + i.ToString() + " in instance descriptor call " + descriptor.GetType().Name + " could not be serialized.");
paramsOk = false;
break;
}
}
finally {
manager.Context.Pop();
}
i++;
}
CodeExpression expression = null;
if (paramsOk)
{
Type expressionType = descriptor.MemberInfo.DeclaringType;
CodeTypeReference typeRef = new CodeTypeReference(expressionType);
if (descriptor.MemberInfo is ConstructorInfo)
{
expression = new CodeObjectCreateExpression(typeRef, arguments);
}
else if (descriptor.MemberInfo is MethodInfo)
{
CodeTypeReferenceExpression typeRefExp = new CodeTypeReferenceExpression(typeRef);
CodeMethodReferenceExpression methodRef = new CodeMethodReferenceExpression(typeRefExp, descriptor.MemberInfo.Name);
expression = new CodeMethodInvokeExpression(methodRef, arguments);
expressionType = ((MethodInfo)descriptor.MemberInfo).ReturnType;
}
else if (descriptor.MemberInfo is PropertyInfo)
{
CodeTypeReferenceExpression typeRefExp = new CodeTypeReferenceExpression(typeRef);
CodePropertyReferenceExpression propertyRef = new CodePropertyReferenceExpression(typeRefExp, descriptor.MemberInfo.Name);
Debug.Assert(arguments.Length == 0, "Property serialization does not support arguments");
expression = propertyRef;
expressionType = ((PropertyInfo)descriptor.MemberInfo).PropertyType;
}
else if (descriptor.MemberInfo is FieldInfo)
{
Debug.Assert(arguments.Length == 0, "Field serialization does not support arguments");
CodeTypeReferenceExpression typeRefExp = new CodeTypeReferenceExpression(typeRef);
expression = new CodeFieldReferenceExpression(typeRefExp, descriptor.MemberInfo.Name);
expressionType = ((FieldInfo)descriptor.MemberInfo).FieldType;
}
else
{
Debug.Fail("Unrecognized reflection type in instance descriptor: " + descriptor.MemberInfo.GetType().Name);
}
// Finally, check to see if our value is assignable from the expression type. If not,
// then supply a cast. The value may be an internal or protected type; if it is,
// then walk up its hierarchy until we find one that is public.
//
Type targetType = value.GetType();
while (!targetType.IsPublic)
{
targetType = targetType.BaseType;
}
if (!targetType.IsAssignableFrom(expressionType))
{
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Target type of " + targetType.Name + " is not assignable from " + expressionType.Name + ". Supplying cast.");
expression = new CodeCastExpression(targetType, expression);
}
}
Debug.Unindent();
return(expression);
}
/// <include file='doc\InstanceDescriptorCodeDomSerializer.uex' path='docs/doc[@for="InstanceDescriptorCodeDomSerializer.Serialize"]/*' />
/// <devdoc>
/// Serializes the given object into a CodeDom object.
/// </devdoc>
public override object Serialize(IDesignerSerializationManager manager, object value)
{
object expression = null;
Debug.WriteLineIf(traceSerialization.TraceVerbose, "InstanceDescriptorCodeDomSerializer::Serialize");
Debug.Indent();
// To serialize a primitive type, we must assign its value to the current statement. We get the current
// statement by asking the context.
object statement = manager.Context.Current;
Debug.Assert(statement != null, "Statement is null -- we need a context to be pushed for instance descriptors to serialize");
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Value: " + value.ToString());
Debug.WriteLineIf(traceSerialization.TraceVerbose && statement != null, "Statement: " + statement.GetType().Name);
TypeConverter converter = TypeDescriptor.GetConverter(value);
InstanceDescriptor descriptor = (InstanceDescriptor)converter.ConvertTo(value, typeof(InstanceDescriptor));
if (descriptor != null)
{
expression = SerializeInstanceDescriptor(manager, value, descriptor);
}
else
{
Debug.WriteLineIf(traceSerialization.TraceError, "*** Converter + " + converter.GetType().Name + " failed to give us an instance descriptor");
}
// Ok, we have the "new Foo(arg, arg, arg)" done. Next, check to see if the instance
// descriptor has given us a complete representation of the object. If not, we must
// go through the additional work of creating a local variable and saving properties.
//
if (descriptor != null && !descriptor.IsComplete)
{
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Incomplete instance descriptor; creating local variable declaration and serializing properties.");
CodeStatementCollection statements = (CodeStatementCollection)manager.Context[typeof(CodeStatementCollection)];
Debug.WriteLineIf(traceSerialization.TraceError && statements == null, "*** No CodeStatementCollection on context stack so we can generate a local variable statement.");
if (statements != null)
{
MemberInfo mi = descriptor.MemberInfo;
Type targetType;
if (mi is PropertyInfo)
{
targetType = ((PropertyInfo)mi).PropertyType;
}
else if (mi is MethodInfo)
{
targetType = ((MethodInfo)mi).ReturnType;
}
else
{
targetType = mi.DeclaringType;
}
string localName = manager.GetName(value);
if (localName == null)
{
string baseName;
INameCreationService ns = (INameCreationService)manager.GetService(typeof(INameCreationService));
Debug.WriteLineIf(traceSerialization.TraceWarning && (ns == null), "WARNING: Need to generate name for local variable but we have no service.");
if (ns != null)
{
baseName = ns.CreateName(null, targetType);
}
else
{
baseName = targetType.Name.ToLower(CultureInfo.InvariantCulture);
}
int suffixIndex = 1;
// Declare this name to the serializer. If there is already a name defined,
// keep trying.
//
while (true)
{
localName = baseName + suffixIndex.ToString();
if (manager.GetInstance(localName) == null)
{
manager.SetName(value, localName);
break;
}
suffixIndex++;
}
}
Debug.WriteLineIf(traceSerialization.TraceVerbose, "Named local variable " + localName);
CodeVariableDeclarationStatement localStatement = new CodeVariableDeclarationStatement(targetType, localName);
localStatement.InitExpression = (CodeExpression)expression;
statements.Add(localStatement);
expression = new CodeVariableReferenceExpression(localName);
// Create a CodeValueExpression to place on the context stack.
CodeValueExpression cve = new CodeValueExpression((CodeExpression)expression, value);
manager.Context.Push(cve);
try {
// Now that we have hooked the return expression up and declared the local,
// it's time to save off the properties for the object.
//
SerializeProperties(manager, statements, value, runTimeProperties);
}
finally {
Debug.Assert(manager.Context.Current == cve, "Context stack corrupted");
manager.Context.Pop();
}
}
}
Debug.Unindent();
return(expression);
}
public void Field_Arguments_Empty()
{
FieldInfo fi = typeof(Uri).GetField("SchemeDelimiter");
InstanceDescriptor id = new InstanceDescriptor(fi, new object[0]);
Assert.Equal(0, id.Arguments.Count);
Assert.True(id.IsComplete);
Assert.Same(fi, id.MemberInfo);
Assert.NotNull(id.Invoke());
}
public void Property_LinkDemand_PermitOnly_Unrestricted ()
{
InstanceDescriptor id = new InstanceDescriptor (null, new object[] { });
// denying anything -> not unrestricted
Type[] types = new Type[3] { typeof (MemberInfo), typeof (ICollection), typeof (bool) };
MethodInfo mi = typeof (InstanceDescriptor).GetProperty ("IsComplete").GetGetMethod ();
Assert.IsNotNull (mi, "IsComplete)");
Assert.IsTrue ((bool) mi.Invoke (id, null), "invoke");
}
public void Property_Arguments_Null()
{
PropertyInfo pi = typeof(Thread).GetProperty("CurrentThread");
InstanceDescriptor id = new InstanceDescriptor(pi, null);
Assert.Equal(0, id.Arguments.Count);
Assert.True(id.IsComplete);
Assert.Same(pi, id.MemberInfo);
Assert.NotNull(id.Invoke());
}
private object ReadInstanceDescriptor(XmlNode node, ArrayList errors)
{
// First, need to deserialize the member
//
XmlAttribute memberAttr = node.Attributes["member"];
if (memberAttr == null)
{
errors.Add("No member attribute on instance descriptor");
return null;
}
byte[] data = Convert.FromBase64String(memberAttr.Value);
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream stream = new MemoryStream(data);
MemberInfo mi = (MemberInfo)formatter.Deserialize(stream);
object[] args = null;
// Check to see if this member needs arguments. If so, gather
// them from the XML.
if (mi is MethodBase)
{
ParameterInfo[] paramInfos = ((MethodBase)mi).GetParameters();
args = new object[paramInfos.Length];
int idx = 0;
foreach (XmlNode child in node.ChildNodes)
{
if (child.Name.Equals("Argument"))
{
object value;
if (!ReadValue(child, TypeDescriptor.GetConverter(paramInfos[idx].ParameterType), errors, out value))
{
return null;
}
args[idx++] = value;
}
}
if (idx != paramInfos.Length)
{
errors.Add(string.Format("Member {0} requires {1} arguments, not {2}.", mi.Name, args.Length, idx));
return null;
}
}
InstanceDescriptor id = new InstanceDescriptor(mi, args);
object instance = id.Invoke();
// Ok, we have our object. Now, check to see if there are any properties, and if there are,
// set them.
//
foreach (XmlNode prop in node.ChildNodes)
{
if (prop.Name.Equals("Property"))
{
ReadProperty(prop, instance, errors);
}
}
return instance;
}
private object ReadInstanceDescriptor(XmlNode node, ArrayList errors)
{
XmlAttribute memberAttr = node.Attributes["member"];
if (memberAttr == null)
{
errors.Add("No member attribute on instance descriptor");
return null;
}
byte[] data = Convert.FromBase64String(memberAttr.Value);
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream stream = new MemoryStream(data);
MemberInfo mi = (MemberInfo)formatter.Deserialize(stream);
object[] args = null;
if (mi is MethodBase)
{
ParameterInfo[] paramInfos = ((MethodBase)mi).GetParameters();
args = new object[paramInfos.Length];
int idx = 0;
foreach (XmlNode child in node.ChildNodes)
{
if (child.Name.Equals("Argument"))
{
object value;
if (!this.ReadValue(child, TypeDescriptor.GetConverter(paramInfos[idx].ParameterType), errors, out value))
{
return null;
}
args[idx++] = value;
}
}
if (idx != paramInfos.Length)
{
errors.Add(string.Format("Member {0} requires {1} arguments, not {2}.", mi.Name, args.Length, idx));
return null;
}
}
object instance = new InstanceDescriptor(mi, args).Invoke();
foreach (XmlNode prop in node.ChildNodes)
{
if (prop.Name.Equals("Property"))
{
this.ReadProperty(prop, instance, errors);
}
}
return instance;
}
private CodeExpression SerializeInstanceDescriptor (IDesignerSerializationManager manager, InstanceDescriptor descriptor)
{
CodeExpression expression = null;
MemberInfo member = descriptor.MemberInfo;
CodeExpression target = new CodeTypeReferenceExpression (member.DeclaringType);
if (member is PropertyInfo) {
expression = new CodePropertyReferenceExpression (target, member.Name);
} else if (member is FieldInfo) {
expression = new CodeFieldReferenceExpression (target, member.Name);
} else if (member is MethodInfo) {
CodeMethodInvokeExpression methodInvoke = new CodeMethodInvokeExpression (target, member.Name);
if (descriptor.Arguments != null && descriptor.Arguments.Count > 0)
methodInvoke.Parameters.AddRange (SerializeParameters (manager, descriptor.Arguments));
expression = methodInvoke;
} else if (member is ConstructorInfo) {
CodeObjectCreateExpression createExpr = new CodeObjectCreateExpression (member.DeclaringType);
if (descriptor.Arguments != null && descriptor.Arguments.Count > 0)
createExpr.Parameters.AddRange (SerializeParameters (manager, descriptor.Arguments));
expression = createExpr;
}
return expression;
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
object result;
if (destinationType == null)
throw new ArgumentNullException("destinationType");
if (value is ZoomLevelCollection)
{
if (destinationType == typeof(string))
{
ZoomLevelCollection collection;
StringBuilder data;
string separator;
TypeConverter converter;
collection = (ZoomLevelCollection)value;
if (culture == null)
culture = CultureInfo.CurrentCulture;
separator = culture.TextInfo.ListSeparator + " ";
converter = TypeDescriptor.GetConverter(typeof(int));
data = new StringBuilder();
foreach (int item in collection)
{
if (data.Length != 0)
data.Append(separator);
data.Append(converter.ConvertToString(context, culture, item));
}
result = data.ToString();
}
else if (destinationType == typeof(InstanceDescriptor))
{
ZoomLevelCollection collection;
ConstructorInfo constructor;
collection = (ZoomLevelCollection)value;
constructor = typeof(ZoomLevelCollection).GetConstructor(new Type[] { typeof(IList<int>) });
result = new InstanceDescriptor(constructor, new object[] { collection.ToArray() });
}
else
result = null;
}
else
result = null;
if (result == null)
result = base.ConvertTo(context, culture, value, destinationType);
return result;
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value,
Type destinationType)
{
object retVal = null;
var VECTOR3D = (VECTOR3D) value;
if (destinationType == typeof (InstanceDescriptor))
{
var argTypes = new Type[3];
argTypes[0] = typeof (float);
argTypes[1] = typeof (float);
argTypes[2] = typeof (float);
ConstructorInfo constructor = typeof (VECTOR3D).GetConstructor(argTypes);
var arguments = new object[3];
arguments[0] = VECTOR3D.X;
arguments[1] = VECTOR3D.Y;
arguments[2] = VECTOR3D.Z;
retVal = new InstanceDescriptor(constructor, arguments);
}
else if (destinationType == typeof (string))
{
if (null == culture)
culture = CultureInfo.CurrentCulture;
var values = new string[3];
TypeConverter numberConverter = TypeDescriptor.GetConverter(typeof (float));
values[0] = VECTOR3D.X.ToString();
values[1] = VECTOR3D.Y.ToString();
values[2] = VECTOR3D.Z.ToString();
retVal = String.Join(culture.TextInfo.ListSeparator + " ", values);
}
else
retVal = base.ConvertTo(context, culture, value, destinationType);
return retVal;
}
