internal static XamlMember ActivityTemplateFactoryBuilderImplementationMember(XamlSchemaContext schemaContext)
{
PropertyInfo implementationPropertyInfo = typeof(ActivityTemplateFactoryBuilder).GetProperty(ImplementationPropertyName);
SharedFx.Assert(implementationPropertyInfo != null, "ActivityTemplateFactoryBuilder.Implementation should be defined as a public property of ActivityTemplateFactoryBuilder.");
return(new XamlMember(implementationPropertyInfo, schemaContext));
}
// there are two kind of attribute:
// 1) in lined : argument="some value"
// 2) <argument>
// <Expression ....../>
// </argument>
// here, for (1) return the source location of "some value".
// for (2) return null
private static SourceLocation GetInlineAttributeValueLocation(LineColumnPair startPoint, SourceTextScanner sourceTextScanner)
{
const char SingleQuote = '\'';
const char DoubleQuote = '"';
const char StartAngleBracket = '<';
Tuple <LineColumnPair, char> start = sourceTextScanner.SearchCharAfter(startPoint, SingleQuote, DoubleQuote, StartAngleBracket);
if (start == null)
{
return(null);
}
if (start.Item2 == StartAngleBracket)
{
return(null);
}
Tuple <LineColumnPair, char> end = sourceTextScanner.SearchCharAfter(start.Item1, start.Item2);
if (end == null)
{
SharedFx.Assert("end of SourceLocation is not found");
return(null);
}
return(new SourceLocation(null, start.Item1.LineNumber, start.Item1.ColumnNumber, end.Item1.LineNumber, end.Item1.ColumnNumber));
}
private WorkflowSymbol GetWorkflowSymbol(string fileName, object deserializedObject, Dictionary <object, SourceLocation> sourceLocations)
{
if (deserializedObject != null)
{
Activity deserializedRootElement = GetRootWorkflowElement(deserializedObject);
if (deserializedRootElement != null)
{
try
{
deserializedRootElement = GetRootElementForSymbol(deserializedObject, deserializedRootElement);
return(new WorkflowSymbol
{
FileName = fileName,
Symbols = SourceLocationProvider.GetSymbols(deserializedRootElement, sourceLocations)
});
}
catch (Exception ex)
{
if (SharedFx.IsFatal(ex))
{
throw;
}
// This happens when the workflow is invalid so GetSymbols fails.
// ---- exception here.
}
}
}
return(null);
}
public override void WriteStartObject(XamlType type)
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderWriterStates.InitialState:
if (type.Equals(new XamlType(typeof(ActivityTemplateFactoryBuilder), this.schemaContext)))
{
this.queuedNodes = new XamlNodeQueue(this.schemaContext);
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BufferingState;
}
else
{
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BypassState;
this.underlyingWriter.WriteStartObject(type);
}
break;
case ActivityTemplateFactoryBuilderWriterStates.BypassState:
this.underlyingWriter.WriteStartObject(type);
break;
default:
SharedFx.Assert(
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingState ||
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingNameState ||
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState,
"These are the only possible ActivityTemplateFactoryBuilderWriterStates.");
SharedFx.Assert("It is impossible to start any object during the buffering state.");
break;
}
}
public override void WriteValue(object value)
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderWriterStates.InitialState:
SharedFx.Assert("It is impossible to write a value during InitialState");
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingState:
this.queuedNodes.Writer.WriteValue(value);
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingNameState:
this.className = (string)value;
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState:
this.targetType = (string)value;
break;
default:
SharedFx.Assert(
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BypassState,
"This is the only possible ActivityTemplateFactoryBuilderWriterStates");
this.underlyingWriter.WriteValue(value);
break;
}
}
internal static XamlMember ActivityTemplateFactoryImplementationMemberForWriter(XamlSchemaContext schemaContext)
{
PropertyInfo implementationPropertyInfo = typeof(ActivityTemplateFactory).GetProperty(ImplementationPropertyName, BindingFlags.Instance | BindingFlags.NonPublic);
SharedFx.Assert(implementationPropertyInfo != null, "ActivityTemplateFactory.Implementation should be defined as a protected property of ActivityTemplateFactory.");
return(new XamlMember(implementationPropertyInfo, schemaContext));
}
internal static XamlMember ActivityTemplateFactoryBuilderTargetTypeMember(XamlSchemaContext schemaContext)
{
PropertyInfo namePropertyInfo = typeof(ActivityTemplateFactoryBuilder).GetProperty(TargetTypePropertyName);
SharedFx.Assert(namePropertyInfo != null, "ActivityTemplateFactoryBuilder.TargetType should be defined as a public property of ActivityTemplateFactoryBuilder.");
return(new XamlMember(namePropertyInfo, schemaContext));
}
public static void PropagateLineInfo(XamlWriter targetWriter, int lineNumber, int linePosition)
{
IXamlLineInfoConsumer consumer = targetWriter as IXamlLineInfoConsumer;
SharedFx.Assert(consumer != null && consumer.ShouldProvideLineInfo, "Should only call this function to write into a XamlNodeQueue.Writer, which is always IXamlLineInfoConsumer");
consumer.SetLineInfo(lineNumber, linePosition);
}
private ResolverResult(XamlTypeKind kind, ICollection <string> newProperties)
{
SharedFx.Assert(kind != XamlTypeKind.PartialSupported || newProperties != null, "newProperties should not be null when kind is XamlTypeKind.PartialSupported");
this.Kind = kind;
this.NewProperties = newProperties;
}
private LineColumnPair GetLocation(int index)
{
SharedFx.Assert(index >= 0 && index < this.source.Length, "index out of range");
while (!this.IsIndexInScannedLine(index))
{
this.TryScanNextLine();
}
int line = this.indexCache.Count - 1;
for (; line >= 0; --line)
{
if (index >= this.indexCache[line].Item1)
{
break;
}
}
SharedFx.Assert(line >= 0, "line < this.indexCache.Count");
int column = index - this.indexCache[line].Item1;
SharedFx.Assert(column < this.indexCache[line].Item2, "Should Not Happen");
return(new LineColumnPair(line + 1, column + 1));
}
// This method is a workaround for TFS
public static void Transform(XamlReader reader, XamlWriter writer, IXamlLineInfo readerLineInfo, bool closeWriter)
{
IXamlLineInfoConsumer consumer = writer as IXamlLineInfoConsumer;
SharedFx.Assert(consumer != null && consumer.ShouldProvideLineInfo, "Should only call this function to write into a XamlNodeQueue.Writer, which is always IXamlLineInfoConsumer");
bool shouldPassLineNumberInfo = false;
if (readerLineInfo != null)
{
shouldPassLineNumberInfo = true;
}
while (reader.Read())
{
if (shouldPassLineNumberInfo)
{
consumer.SetLineInfo(readerLineInfo.LineNumber, readerLineInfo.LinePosition);
}
writer.WriteNode(reader);
}
if (closeWriter)
{
writer.Close();
}
}
// Tuple<current charactor, charactor index>
// this Scan will replace \r\n=>\n \r=>\n
// \r\n return: <\n, \n's index>
// \r return: <\n, \r's index>
private IEnumerable <Tuple <char, int> > Scan(int index)
{
if (index < 0 || index >= this.source.Length)
{
SharedFx.Assert("index < 0 || index >= this.source.Length");
yield break;
}
while (index < this.source.Length)
{
char currentChar = this.source[index];
if (currentChar == Return)
{
if (index + 1 < this.source.Length && this.source[index + 1] == NewLine)
{
++index;
}
currentChar = NewLine;
}
yield return(Tuple.Create(currentChar, index));
++index;
}
}
public override void WriteGetObject()
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderWriterStates.InitialState:
SharedFx.Assert("It is impossible to end an object during InitialState");
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingState:
this.queuedNodes.Writer.WriteGetObject();
break;
case ActivityTemplateFactoryBuilderWriterStates.BypassState:
this.underlyingWriter.WriteGetObject();
break;
default:
SharedFx.Assert(
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingNameState ||
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState,
"These are the only possible ActivityTemplateFactoryBuilderWriterStates.");
SharedFx.Assert("It is impossible to get an object when we are buffering the name / targetType.");
break;
}
}
public override void WriteEndMember()
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderWriterStates.InitialState:
SharedFx.Assert("It is impossible to end a member during InitialState");
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingState:
this.queuedNodes.Writer.WriteEndMember();
break;
case ActivityTemplateFactoryBuilderWriterStates.BypassState:
this.underlyingWriter.WriteEndMember();
break;
default:
SharedFx.Assert(
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingNameState ||
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState,
"These are the only possible ActivityTemplateFactoryBuilderWriterStates.");
// Intentionally skipped the end member of Name / TargetType node
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BufferingState;
break;
}
}
public override void WriteStartMember(XamlMember xamlMember)
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderWriterStates.InitialState:
SharedFx.Assert("It is impossible to start a member during InitialState");
break;
case ActivityTemplateFactoryBuilderWriterStates.BufferingState:
if (xamlMember == this.ActivityTemplateFactoryBuilderImplementationMember)
{
xamlMember = this.ActivityTemplateFactoryImplementationMember;
if (!this.xamlLanguageNamespaceWritten)
{
// Required namespace for XAML x:Class
this.underlyingWriter.WriteNamespace(new NamespaceDeclaration("http://schemas.microsoft.com/winfx/2006/xaml", "x"));
}
this.underlyingWriter.WriteStartObject(this.ActivityTemplateFactoryType);
this.underlyingWriter.WriteStartMember(XamlLanguage.Class);
this.underlyingWriter.WriteValue(this.className);
this.underlyingWriter.WriteEndMember();
this.underlyingWriter.WriteStartMember(XamlLanguage.TypeArguments);
this.underlyingWriter.WriteValue(this.targetType);
this.underlyingWriter.WriteEndMember();
this.Transform(this.queuedNodes.Reader, this.underlyingWriter);
this.underlyingWriter.WriteStartMember(xamlMember);
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BypassState;
}
if (xamlMember == this.ActivityTemplateFactoryBuilderNameMember)
{
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BufferingNameState;
}
else if (xamlMember == this.ActivityTemplateFactoryBuilderTargetTypeMember)
{
this.currentState = ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState;
}
else
{
this.queuedNodes.Writer.WriteStartMember(xamlMember);
}
break;
case ActivityTemplateFactoryBuilderWriterStates.BypassState:
this.underlyingWriter.WriteStartMember(xamlMember);
break;
default:
SharedFx.Assert(
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingNameState ||
this.currentState == ActivityTemplateFactoryBuilderWriterStates.BufferingTargetTypeState,
"These are the only possible ActivityTemplateFactoryBuilderWriterStates.");
SharedFx.Assert("It is impossible to get an object when we are buffering the name / targetType.");
break;
}
}
public override ConstructorInfo GetConstructor()
{
Type editorAttributeType = typeof(EditorAttribute);
ConstructorInfo constructor = editorAttributeType.GetConstructor(new Type[] { typeof(Type), typeof(Type) });
SharedFx.Assert(constructor != null, "designerAttribute has a constructor that takes two argument of type System.Type and System.Type.");
return(constructor);
}
public override ConstructorInfo GetConstructor()
{
Type defaultValueAttributeType = typeof(DefaultValueAttribute);
ConstructorInfo constructor = defaultValueAttributeType.GetConstructor(new Type[] { typeof(object) });
SharedFx.Assert(constructor != null, "designerAttribute has a constructor that takes an argument of type System.Object.");
return(constructor);
}
private bool IsIndexInScannedLine(int index)
{
SharedFx.Assert(index >= 0 && index < this.source.Length, "invalid index");
int last = this.indexCache.Count - 1;
return(last >= 0 && index < this.indexCache[last].Item1 + this.indexCache[last].Item2);
}
internal WorkflowDesignerXamlHelper(IWorkflowDesignerXamlHelperExecutionContext executionContext)
{
this.executionContext = executionContext;
SharedFx.Assert(this.executionContext != null, "this.executionContext != null");
SharedFx.Assert(this.executionContext.XamlSchemaContext != null, "this.executionContext.XamlSchemaContext != null");
this.dynamicActivityPropertyNameMember = new XamlMember(typeof(DynamicActivityProperty).GetProperty("Name"), this.XamlSchemaContext);
this.dynamicActivityPropertyValueMember = new XamlMember(typeof(DynamicActivityProperty).GetProperty("Value"), this.XamlSchemaContext);
}
public ResolverResult Lookup(Type type)
{
SharedFx.Assert(type != null, "type should not be null");
WeakReference value;
if (this.cache.TryGetValue(type, out value))
{
return(value.Target as ResolverResult);
}
return(null);
}
public void Update(Type type, ResolverResult result)
{
SharedFx.Assert(type != null, "type should not be null");
SharedFx.Assert(result != null, "result should not be null");
if (this.cache.ContainsKey(type))
{
this.cache[type] = new WeakReference(result);
}
else
{
this.cache.Add(type, new WeakReference(result));
}
}
public static ResolverResult Resolve(MultiTargetingSupportService multiTargetingService, Type type)
{
SharedFx.Assert(multiTargetingService != null, "multiTargetingService should not be null");
SharedFx.Assert(type != null, "type should not be null");
if (!multiTargetingService.IsSupportedType(type))
{
return(ResolverResult.Unknown);
}
ResolverResult result;
Type reflectionType = multiTargetingService.GetReflectionType(type);
PropertyInfo[] properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.SetProperty);
PropertyInfo[] targetProperties = reflectionType.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.SetProperty);
List <string> newProperties = new List <string>();
// Assume we don't remove properties in newer framework
// We only compare property name here
if (properties.Length > targetProperties.Length)
{
foreach (PropertyInfo propertyInfo in properties)
{
bool found = false;
foreach (PropertyInfo targetProperty in targetProperties)
{
if (targetProperty.Name == propertyInfo.Name)
{
found = true;
break;
}
}
if (!found)
{
newProperties.Add(propertyInfo.Name);
}
}
result = new ResolverResult(newProperties);
}
else
{
result = ResolverResult.FullySupported;
}
return(result);
}
public override void WriteEndObject()
{
--this.currentDepth;
SharedFx.Assert(this.currentDepth >= 0, "Unmatched WriteEndObject");
if (this.currentDepth == this.debugSymbolDepth && this.writeDebugSymbol)
{
base.WriteStartMember(new XamlMember(DebugSymbol.SymbolName.MemberName,
this.SchemaContext.GetXamlType(typeof(DebugSymbol)), true));
base.WriteValue(EmptyWorkflowSymbol);
base.WriteEndMember();
this.writeDebugSymbol = false;
}
base.WriteEndObject();
isWritingElementStyleString = false;
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != typeof(InstanceDescriptor))
{
return(base.ConvertTo(context, culture, value, destinationType));
}
TAttribute attribute = value as TAttribute;
SharedFx.Assert(value != null, "The usage should be guaranteed by the XAML stack");
ConstructorInfo constructor = this.Constructor;
ICollection arguments = this.attributeInfo.GetConstructorArguments(attribute, ref constructor);
return(new InstanceDescriptor(constructor, arguments, this.attributeInfo.IsComplete));
}
public static XamlType GetXamlType(ResolverResult resolverResult, XamlType oldXamlType)
{
SharedFx.Assert(oldXamlType != null, "oldXamlType should not be null");
switch (resolverResult.Kind)
{
case XamlTypeKind.FullySupported:
return(oldXamlType);
case XamlTypeKind.PartialSupported:
return(new XamlTypeWithExtraPropertiesRemoved(oldXamlType.UnderlyingType, oldXamlType.SchemaContext, resolverResult.NewProperties));
default:
SharedFx.Assert(resolverResult.Kind == XamlTypeKind.Unknown, "resolverResult.Kind should be XamlTypeKind.Unknown.");
return(null);
}
}
// Get root Activity. Currently only handle when the object is ActivityBuilder or Activity.
// May return null if it does not know how to get the root activity.
internal static Activity GetRootWorkflowElement(object rootModelObject)
{
SharedFx.Assert(rootModelObject != null, "Cannot pass null as rootModelObject");
Activity rootWorkflowElement;
IDebuggableWorkflowTree debuggableWorkflowTree = rootModelObject as IDebuggableWorkflowTree;
if (debuggableWorkflowTree != null)
{
rootWorkflowElement = debuggableWorkflowTree.GetWorkflowRoot();
}
else
{
// Loose xaml case.
rootWorkflowElement = rootModelObject as Activity;
}
return(rootWorkflowElement);
}
// return created
private bool TryScanNextLine()
{
int startIndex = 0;
if (this.indexCache.Count > 0)
{
int tail = this.indexCache.Count - 1;
startIndex = this.indexCache[tail].Item1 + this.indexCache[tail].Item2;
}
if (startIndex >= this.source.Length)
{
return(false);
}
int lastIndex = -1;
foreach (Tuple <char, int> currentPair in this.Scan(startIndex))
{
lastIndex = currentPair.Item2;
if (currentPair.Item1 == NewLine)
{
break;
}
}
if (lastIndex < 0)
{
SharedFx.Assert("lastIndex < 0");
return(false);
}
int lineLength = lastIndex - startIndex + 1;
this.indexCache.Add(Tuple.Create(startIndex, lineLength));
return(true);
}
internal Tuple <LineColumnPair, char> SearchCharAfter(LineColumnPair startPoint, params char[] charsToSearch)
{
SharedFx.Assert(startPoint != null, "startPoint != null");
int line = startPoint.LineNumber - 1;
int column = startPoint.ColumnNumber - 1;
HashSet <char> charsToSearchSet = new HashSet <char>(charsToSearch);
int index = this.GetIndex(line, column);
if (index < 0)
{
return(null);
}
bool firstLoop = true;
foreach (Tuple <char, int> currentPair in this.Scan(index))
{
if (firstLoop)
{
firstLoop = false;
}
else
{
if (charsToSearchSet.Contains(currentPair.Item1))
{
LineColumnPair location = this.GetLocation(currentPair.Item2);
SharedFx.Assert(location != null, "invalid location");
return(Tuple.Create(location, currentPair.Item1));
}
}
}
return(null);
}
private int GetIndex(int line, int column)
{
while (this.indexCache.Count <= line)
{
if (!this.TryScanNextLine())
{
break;
}
}
if (this.indexCache.Count <= line)
{
SharedFx.Assert(string.Format(CultureInfo.CurrentCulture, "line out of range:({0},{1})", line + 1, column + 1));
return(-1);
}
if (column >= this.indexCache[line].Item2)
{
SharedFx.Assert(string.Format(CultureInfo.CurrentCulture, "column out of range:({0},{1})", line + 1, column + 1));
return(-1);
}
return(this.indexCache[line].Item1 + column);
}
public override bool Read()
{
switch (this.currentState)
{
case ActivityTemplateFactoryBuilderReaderStates.InitialState:
bool hasMoreNodes = this.underlyingReader.Read();
if (this.underlyingReader.NodeType == XamlNodeType.StartObject && IsActivityTemplateFactoryType(this.underlyingReader.Type))
{
Type underlyingType = this.underlyingReader.Type.UnderlyingType;
Type targetType = underlyingType.IsGenericType ? underlyingType.GetGenericArguments()[0] : null;
this.currentState = ActivityTemplateFactoryBuilderReaderStates.ReadingFromBufferState;
this.queuedNodes = new XamlNodeQueue(this.schemaContext);
this.queuedNodes.Writer.WriteStartObject(this.ActivityTemplateFactoryBuilderType, (IXamlLineInfo)this.underlyingReader);
string className;
while (this.underlyingReader.Read())
{
if (this.underlyingReader.NodeType == XamlNodeType.StartMember && this.underlyingReader.Member == XamlLanguage.Class)
{
this.underlyingReader.Read();
className = (string)this.underlyingReader.Value;
this.underlyingReader.Read();
this.queuedNodes.Writer.WriteStartMember(this.ActivityTemplateFactoryBuilderNameMember, (IXamlLineInfo)this.underlyingReader);
this.queuedNodes.Writer.WriteValue(className, (IXamlLineInfo)this.underlyingReader);
this.queuedNodes.Writer.WriteEndMember((IXamlLineInfo)this.underlyingReader);
if (targetType != null)
{
this.queuedNodes.Writer.WriteStartMember(this.ActivityTemplateFactoryBuilderTargetTypeMember, (IXamlLineInfo)this.underlyingReader);
object targetTypeString = targetType;
this.queuedNodes.Writer.WriteValue(targetTypeString);
this.queuedNodes.Writer.WriteEndMember();
}
}
else if (this.underlyingReader.NodeType == XamlNodeType.StartMember && this.IsActivityTemplateFactoryImplementationMember(this.underlyingReader.Member))
{
this.queuedNodes.Writer.WriteStartMember(this.ActivityTemplateFactoryBuilderImplementationMember, (IXamlLineInfo)this.underlyingReader);
return(true);
}
}
}
return(hasMoreNodes);
case ActivityTemplateFactoryBuilderReaderStates.ReadingFromBufferState:
if (this.queuedNodes.Reader.Read())
{
return(true);
}
else
{
this.currentState = ActivityTemplateFactoryBuilderReaderStates.BypassState;
this.queuedNodes = null;
return(this.underlyingReader.Read());
}
default:
SharedFx.Assert(this.currentState == ActivityTemplateFactoryBuilderReaderStates.BypassState, "This is the only remaining ActivityTemplateFactoryBuilderReaderStates.");
return(this.underlyingReader.Read());
}
}
