internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId, bool needDefault)
{
_reader = reader;
_parent = parent;
_propDef = new WpfPropertyDefinition(reader, attributeId, parent is DependencyObject);
_attributeId = attributeId;
if (needDefault)
{
InitDefaultValue();
}
CheckReadOnly();
}
internal BamlCollectionHolder(BamlRecordReader reader, object parent, short attributeId, bool needDefault)
{
_reader = reader;
_parent = parent;
_propDef = new WpfPropertyDefinition(reader, attributeId, parent is DependencyObject);
_attributeId = attributeId;
if (needDefault)
{
InitDefaultValue();
}
CheckReadOnly();
}
// Common section for setting a property defined by an attributeId to a value.
private void ReadPropertyRecordBase(
string attribValue,
short attributeId,
short converterTypeId)
{
if( CurrentContext.CreateUsingTypeConverter )
{
// TypeConverter syntax rules state that there shall be no specifying
// property values on the TypeConverter object specification.
// But like every other rule in XAML, we have an exception.
// Exception: the xml:space property value is tolerated. We set the
// ParserContext information and drop the rest of the data on the
// ground. (We will not set the XmlSpace attached property like
// we would for non-TypeConverter-created objects.)
#if DEBUG
// If we ever have more than one exception to the TypeConverter
// rule, we'll need to run this differentiation code outside of
// debug-only code path, too.
short ownerTypeId;
string name;
BamlAttributeUsage attributeUsage;
MapTable.GetAttributeInfoFromId(attributeId, out ownerTypeId, out name, out attributeUsage);
Debug.Assert( attributeUsage == BamlAttributeUsage.XmlSpace,
"The xml:space attribute is the only one deemed compatible with TypeConverter syntax, but we've encountered something else. How did this slip by the XamlReaderHelper TypeConverter syntax check?");
#endif
ParserContext.XmlSpace = attribValue;
// ParserContext state updated, and that's all we'll do for this record.
return;
}
// If we get this far, it means we are not going to create an object
// using its type converter, hence it's safe to call GetCurrentObjectForData().
// (GetCurrentObjectData will create an instance using the default constructor,
// eliminating the possibility of TypeConverter creation.)
object element = GetCurrentObjectData();
// Get attributeUsage - using perf optimized call (avoiding attributeInfo record allocation)
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(this, attributeId, element is DependencyObject);
#if !STRESS
try
{
#endif
switch (propertyDefinition.AttributeUsage)
{
case BamlAttributeUsage.RuntimeName:
// Add Name to appropriate scope
DoRegisterName(attribValue, element);
break;
case BamlAttributeUsage.XmlLang:
ParserContext.XmlLang = attribValue;
break;
case BamlAttributeUsage.XmlSpace:
ParserContext.XmlSpace = attribValue;
break;
}
// Try DependencyProperty case: If the property is a DP we can handle it faster than the general reflection case
if (propertyDefinition.DependencyProperty != null)
{
Debug.Assert(element is DependencyObject);
object propertyValue = ParseProperty(
(DependencyObject)element,
propertyDefinition.PropertyType,
propertyDefinition.Name,
propertyDefinition.DependencyProperty,
attribValue,
converterTypeId);
// If the value returned is not unset, then perform a DependencyObject.SetValue. An
// UnsetValue can occur if a resource reference is bound or some other way of setting
// up the value is done in ParseProperty.
if (propertyValue != DependencyProperty.UnsetValue)
{
SetPropertyValue( element, propertyDefinition, propertyValue );
}
}
else if (propertyDefinition.PropertyInfo != null)
{
// General case of CLR or Attached property
// Calculate the value of the property
object propertyValue = ParseProperty(
element,
propertyDefinition.PropertyType,
propertyDefinition.Name,
propertyDefinition.PropertyInfo,
attribValue, converterTypeId);
// If the value returned is not unset, then perform a PropertyInfo.SetValue.
// An UnsetValue can occur if a resource reference is bound or some other
// way of setting up the value is done in ParseProperty.
if (propertyValue != DependencyProperty.UnsetValue)
{
// Assign the value to the property
SetPropertyValue( element, propertyDefinition, propertyValue );
}
}
else if (propertyDefinition.AttachedPropertySetter != null)
{
// Attached property
// General case of CLR or Attached property
// Calculate the value of the property
object propertyValue = ParseProperty(
element,
propertyDefinition.PropertyType,
propertyDefinition.Name,
propertyDefinition.AttachedPropertySetter,
attribValue, converterTypeId);
// If the value returned is not unset, then perform a PropertyInfo.SetValue.
// An UnsetValue can occur if a resource reference is bound or some other
// way of setting up the value is done in ParseProperty.
if (propertyValue != DependencyProperty.UnsetValue)
{
// Attached Property accessible via SetFoo/GetFoo static methods
SetPropertyValue( element, propertyDefinition, propertyValue );
}
}
else
{
// Neither DP, nor Clr, nor Attached property.
// We may have found the attribute record (which should always work unless
// the file is corrupted), but it may not resolve to a property with the
// currently loaded set of assemblies. Try a locally defined event before complaining.
bool isRE = false;
object reidOrEi = null;
bool isInternal = false;
if (_componentConnector != null && _rootElement != null)
{
reidOrEi = GetREOrEiFromAttributeId(attributeId, out isInternal, out isRE);
}
if (reidOrEi != null)
{
Delegate d;
if (isRE)
{
RoutedEvent reid = reidOrEi as RoutedEvent;
d = XamlTypeMapper.CreateDelegate(ParserContext,
reid.HandlerType,
ParserContext.RootElement,
attribValue);
if (d == null)
{
ThrowException(SRID.ParserCantCreateDelegate, reid.HandlerType.Name, attribValue);
}
UIElement uiel = element as UIElement;
if (uiel != null)
{
uiel.AddHandler(reid, d);
}
else
{
ContentElement ce = element as ContentElement;
if (ce != null)
{
ce.AddHandler(reid, d);
}
else
{
// In the case where the element doesn't support any routed event AddHandler
// we know the null pointer exception is caught and wrapped in a XAML parse exception
// below (we would have added an error message but 3.5 doesn't allow us to add one).
UIElement3D uie3D = element as UIElement3D;
uie3D.AddHandler(reid, d);
}
}
}
else
{
EventInfo ei = reidOrEi as EventInfo;
d = XamlTypeMapper.CreateDelegate(ParserContext,
ei.EventHandlerType,
ParserContext.RootElement,
attribValue);
if (d == null)
{
ThrowException(SRID.ParserCantCreateDelegate, ei.EventHandlerType.Name, attribValue);
}
if (isInternal)
{
bool added = XamlTypeMapper.AddInternalEventHandler(ParserContext,
ParserContext.RootElement,
ei,
element,
d);
if (!added)
{
ThrowException(SRID.ParserCantSetAttribute, "event", ei.Name, "add");
}
}
else
{
ei.AddEventHandler(element, d);
}
}
return;
}
else
{
ThrowException(SRID.ParserCantGetDPOrPi, propertyDefinition.Name);
}
}
#if !STRESS
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e) || e is XamlParseException)
{
throw;
}
TargetInvocationException tie = e as TargetInvocationException;
if( tie != null )
{
e = tie.InnerException;
}
ThrowExceptionWithLine(SR.Get(SRID.ParserCannotSetValue, element.GetType().FullName, propertyDefinition.AttributeInfo.Name, attribValue), e);
}
#endif
}
// Read a Property record, get the current element off the context stack and a Type
// object from the TypeId in the property record. This is the object to set
// on the property.
protected virtual void ReadPropertyTypeRecord(BamlPropertyTypeReferenceRecord bamlPropertyRecord)
{
if (null == CurrentContext ||
(ReaderFlags.DependencyObject != CurrentContext.ContextType &&
ReaderFlags.ClrObject != CurrentContext.ContextType))
{
ThrowException(SRID.ParserUnexpInBAML, "Property");
}
// Define attrbuteId
short attributeId = bamlPropertyRecord.AttributeId;
// Identify the target element
object element = GetCurrentObjectData();
// Get value type
Type valueType = MapTable.GetTypeFromId(bamlPropertyRecord.TypeId);
// Identify the property
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(this, attributeId, element is DependencyObject);
#if !STRESS
try
{
#endif
if( !SetPropertyValue( element, propertyDefinition, valueType ))
{
ThrowException(SRID.ParserCantGetDPOrPi, GetPropertyNameFromAttributeId(attributeId));
}
#if !STRESS
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e) || e is XamlParseException)
{
throw;
}
TargetInvocationException tie = e as TargetInvocationException;
if( tie != null )
{
e = tie.InnerException;
}
ThrowExceptionWithLine(SR.Get(SRID.ParserCannotSetValue, element.GetType().FullName, propertyDefinition.Name, valueType.Name), e);
}
#endif
}
//
// Set a value onto a property of an object. The property could be a DP
// or a CLR property (figure out from the PropertyDefinition).
//
private bool SetPropertyValue( Object o, WpfPropertyDefinition propertyDefinition, object value )
{
bool succeeded = true;
//
// DP case
//
if (propertyDefinition.DependencyProperty != null)
{
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Start,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.DependencyProperty.Name,
value);
}
Debug.Assert(o is DependencyObject);
SetDependencyValue((DependencyObject)o, propertyDefinition.DependencyProperty, value);
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Stop,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.DependencyProperty.Name,
value);
}
}
//
// Non-attached CLR property case.
//
else if (propertyDefinition.PropertyInfo != null)
{
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Start,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.PropertyInfo.Name,
value);
}
if (propertyDefinition.IsInternal)
{
bool set = XamlTypeMapper.SetInternalPropertyValue(ParserContext,
ParserContext.RootElement,
propertyDefinition.PropertyInfo,
o,
value);
if (!set)
{
ThrowException(SRID.ParserCantSetAttribute, "property", propertyDefinition.Name, "set");
}
}
else
{
propertyDefinition.PropertyInfo.SetValue(o, value, BindingFlags.Default, null, null, TypeConverterHelper.InvariantEnglishUS);
}
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Stop,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.PropertyInfo.Name,
value);
}
}
//
// Attached CLR property case
//
else if (propertyDefinition.AttachedPropertySetter != null)
{
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Start,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.AttachedPropertySetter.Name,
value);
}
propertyDefinition.AttachedPropertySetter.Invoke(null, new object[] { o, value });
if( TraceMarkup.IsEnabled )
{
TraceMarkup.Trace( TraceEventType.Stop,
TraceMarkup.SetPropertyValue,
o,
propertyDefinition.AttachedPropertySetter.Name,
value);
}
}
//
// Error case
//
else
{
succeeded = false;
}
return succeeded;
}
private void BaseReadOptimizedMarkupExtension(
object element,
short attributeId,
WpfPropertyDefinition propertyDefinition,
object value)
{
#if !STRESS
try
{
#endif
// if the value is a ME, get the actual value from it.
MarkupExtension me = value as MarkupExtension;
if (me != null)
{
value = ProvideValueFromMarkupExtension(me, element, propertyDefinition.DpOrPiOrMi);
if( TraceMarkup.IsEnabled )
{
TraceMarkup.TraceActivityItem(
TraceMarkup.ProvideValue,
me,
element,
propertyDefinition.DpOrPiOrMi,
value );
}
}
if( !SetPropertyValue( element, propertyDefinition, value ))
{
ThrowException(SRID.ParserCantGetDPOrPi, GetPropertyNameFromAttributeId(attributeId));
}
#if !STRESS
}
catch( Exception e )
{
if (CriticalExceptions.IsCriticalException(e) || e is XamlParseException)
{
throw;
}
TargetInvocationException tie = e as TargetInvocationException;
if( tie != null )
{
e = tie.InnerException;
}
string message = SR.Get(SRID.ParserCannotConvertPropertyValue, propertyDefinition.Name, propertyDefinition.PropertyType.FullName);
ThrowExceptionWithLine(message, e);
}
#endif
}
protected virtual void ReadPropertyWithExtensionRecord(BamlPropertyWithExtensionRecord bamlPropertyRecord)
{
if (null == CurrentContext ||
(ReaderFlags.DependencyObject != CurrentContext.ContextType &&
ReaderFlags.ClrObject != CurrentContext.ContextType))
{
ThrowException(SRID.ParserUnexpInBAML, "Property");
}
// Define attrbuteId
short attributeId = bamlPropertyRecord.AttributeId;
// Identify the target element
object element = GetCurrentObjectData();
// Identify the property
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(this, attributeId, element is DependencyObject);
// Get the value of the property
object value = GetExtensionValue(bamlPropertyRecord, propertyDefinition.Name);
// Read and set the value provided by the MarkupExtension on the element's property
BaseReadOptimizedMarkupExtension(element, attributeId, propertyDefinition, value);
}
// Read a property record that has value information known only to the
// property's ValidType.
protected virtual void ReadPropertyCustomRecord(BamlPropertyCustomRecord bamlPropertyRecord)
{
if (null == CurrentContext ||
(ReaderFlags.DependencyObject != CurrentContext.ContextType &&
ReaderFlags.ClrObject != CurrentContext.ContextType))
{
ThrowException(SRID.ParserUnexpInBAML, "PropertyCustom");
}
// the value of the property
object valueObject = null;
// Get the element to set the property on
object element = GetCurrentObjectData();
// Get the attributeId
short attributeId = bamlPropertyRecord.AttributeId;
// Identify the property
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(this, attributeId, element is DependencyObject);
if (!bamlPropertyRecord.ValueObjectSet)
{
#if !STRESS
// Get the value of the property that is obtained from the binary data in the record.
try
{
#endif
valueObject = GetCustomValue(bamlPropertyRecord, propertyDefinition.PropertyType, propertyDefinition.Name);
#if !STRESS
}
catch (Exception e)
{
if( CriticalExceptions.IsCriticalException(e) || e is XamlParseException )
{
throw;
}
string message = SR.Get(SRID.ParserCannotConvertPropertyValue, propertyDefinition.Name, propertyDefinition.PropertyType.FullName);
ThrowExceptionWithLine(message, e);
}
#endif
}
else
{
valueObject = bamlPropertyRecord.ValueObject;
}
FreezeIfRequired(valueObject);
if (propertyDefinition.DependencyProperty != null)
{
Debug.Assert(element is DependencyObject, "Guaranteed by PropertyDefinition constructor");
SetDependencyValue((DependencyObject)element, propertyDefinition.DependencyProperty, valueObject);
}
else if (propertyDefinition.PropertyInfo != null)
{
// Regular case for CLR property
if (propertyDefinition.IsInternal)
{
bool set = XamlTypeMapper.SetInternalPropertyValue(ParserContext,
ParserContext.RootElement,
propertyDefinition.PropertyInfo,
element,
valueObject);
if (!set)
{
ThrowException(SRID.ParserCantSetAttribute, "property", propertyDefinition.Name, "set");
}
}
else
{
propertyDefinition.PropertyInfo.SetValue(element, valueObject,
BindingFlags.Default, null,
null, TypeConverterHelper.InvariantEnglishUS);
}
}
else if (propertyDefinition.AttachedPropertySetter != null)
{
propertyDefinition.AttachedPropertySetter.Invoke(null, new object[] { element, valueObject });
}
else
{
ThrowException(SRID.ParserCantGetDPOrPi, GetPropertyNameFromAttributeId(attributeId));
}
}
// Read the start of a complex property section. Determine the property to set
// with the object that will be constructed from the following records.
protected virtual void ReadPropertyComplexStartRecord(
BamlPropertyComplexStartRecord bamlPropertyRecord)
{
if (null == CurrentContext ||
!(ReaderFlags.ClrObject == CurrentContext.ContextType ||
ReaderFlags.DependencyObject == CurrentContext.ContextType))
{
ThrowException(SRID.ParserUnexpInBAML, "PropertyComplexStart");
}
short attributeId = bamlPropertyRecord.AttributeId;
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(
this,
attributeId,
ReaderFlags.DependencyObject == CurrentContext.ContextType /*targetIsDependencyObject*/ );
// Try DependencyProperty optimization.
if (propertyDefinition.DependencyProperty != null)
{
// For the case of a DependencyProperty, store the BamlAttributeInfo on the
// stack, because we may need to know the actual added owner type for the DP
// to use in error messages. This is not available in the DP if there
// are multiple owners.
PushContext(ReaderFlags.PropertyComplexDP, propertyDefinition.AttributeInfo, propertyDefinition.PropertyType, 0);
}
else if (propertyDefinition.PropertyInfo != null)
{
// Regular case for clr property
PushContext(ReaderFlags.PropertyComplexClr, propertyDefinition.PropertyInfo, propertyDefinition.PropertyType, 0);
}
else if (propertyDefinition.AttachedPropertySetter != null)
{
// Assignable Attached property
PushContext(ReaderFlags.PropertyComplexClr, propertyDefinition.AttachedPropertySetter, propertyDefinition.PropertyType, 0);
}
else if (propertyDefinition.AttachedPropertyGetter != null)
{
// Readonly Attached property
PushContext(ReaderFlags.PropertyComplexClr, propertyDefinition.AttachedPropertyGetter, propertyDefinition.PropertyType, 0);
}
else
{
ThrowException(SRID.ParserCantGetDPOrPi, GetPropertyNameFromAttributeId(attributeId));
}
// Set the name of the property into the context
CurrentContext.ElementNameOrPropertyName = propertyDefinition.Name;
}
// Read the content property record and set the ContentProperty in the context.
internal virtual void ReadContentPropertyRecord(
BamlContentPropertyRecord bamlContentPropertyRecord)
{
object contentProperty = null;
short attributeId = bamlContentPropertyRecord.AttributeId;
// Try KnownTypes Optimization: When the property is known use generated code for accessing it
object parent = GetCurrentObjectData();
if (parent != null)
{
short elementId = BamlMapTable.GetKnownTypeIdFromType(parent.GetType());
if (elementId < 0)
{
contentProperty = KnownTypes.GetCollectionForCPA(parent, (KnownElements)(-elementId));
}
}
if (contentProperty == null)
{
WpfPropertyDefinition propertyDefinition = new WpfPropertyDefinition(this, attributeId, parent is DependencyObject);
// Try DependencyProperty Optimization: When a DP exists for the property, use it for accessing the property
if (propertyDefinition.DependencyProperty != null)
{
Debug.Assert(parent is DependencyObject);
if (typeof(IList).IsAssignableFrom(propertyDefinition.PropertyType))
{
contentProperty = ((DependencyObject)parent).GetValue(propertyDefinition.DependencyProperty) as IList;
// We assume that the contentProperty will become a collection now.
// However, in case when the DP is implemented incorrectly it may return null even if the clr property has non-null value.
// So leaving contentProperty==null will drive us to general clr case below, which must do better job.
}
else
{
// When the property is not a IList store a DP itself as a contentProperty for assigning a simple value
contentProperty = propertyDefinition.DependencyProperty;
}
}
if (contentProperty == null)
{
// We consider only PropertyInfo case here.
// We do not consider AttachedPropertySetter in this case because content property cannot be attached.
if (propertyDefinition.PropertyInfo != null)
{
// Try to treat the content property as IList
if (propertyDefinition.IsInternal)
{
contentProperty = XamlTypeMapper.GetInternalPropertyValue(ParserContext,
ParserContext.RootElement,
propertyDefinition.PropertyInfo,
parent) as IList;
// if Content Property does not support IList, then see if it is
// accessible\allowed as a regular setter.
//
if (contentProperty == null)
{
bool isPublicProperty;
bool allowProtected =
(ParserContext.RootElement is IComponentConnector) &&
(ParserContext.RootElement == parent);
if (!XamlTypeMapper.IsAllowedPropertySet(propertyDefinition.PropertyInfo, allowProtected, out isPublicProperty))
{
ThrowException(SRID.ParserCantSetContentProperty, propertyDefinition.Name, propertyDefinition.PropertyInfo.ReflectedType.Name);
}
}
}
else
{
contentProperty = propertyDefinition.PropertyInfo.GetValue(
parent,
BindingFlags.Instance | BindingFlags.Public | BindingFlags.FlattenHierarchy,
null, null, TypeConverterHelper.InvariantEnglishUS)
as IList;
}
if (contentProperty == null)
{
// The property returned null, try setting it directly.
contentProperty = propertyDefinition.PropertyInfo;
}
}
}
}
if (contentProperty == null)
{
ThrowException(SRID.ParserCantGetDPOrPi, GetPropertyNameFromAttributeId(attributeId));
}
CurrentContext.ContentProperty = contentProperty;
}
