436 lines
24 KiB
C#
436 lines
24 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
|
|
{
|
|
using System;
|
|
using System.IO;
|
|
using System.Xml;
|
|
using System.Diagnostics;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Reflection;
|
|
using System.CodeDom.Compiler;
|
|
using System.Workflow.ComponentModel.Design;
|
|
using System.Workflow.ComponentModel.Compiler;
|
|
using System.Collections.Specialized;
|
|
using System.ComponentModel.Design.Serialization;
|
|
using System.CodeDom;
|
|
using System.ComponentModel;
|
|
using System.Globalization;
|
|
using System.Security.Cryptography;
|
|
using System.Text.RegularExpressions;
|
|
using System.Text;
|
|
using System.Diagnostics.CodeAnalysis;
|
|
|
|
internal static class StandardXomlKeys
|
|
{
|
|
internal const string WorkflowXmlNs = "http://schemas.microsoft.com/winfx/2006/xaml/workflow";
|
|
internal const string WorkflowPrefix = "wf";
|
|
internal const string CLRNamespaceQualifier = "clr-namespace:";
|
|
internal const string AssemblyNameQualifier = "Assembly=";
|
|
internal const string GlobalNamespace = "{Global}";
|
|
internal const string MarkupExtensionSuffix = "Extension";
|
|
|
|
internal const string Definitions_XmlNs = "http://schemas.microsoft.com/winfx/2006/xaml";
|
|
internal const string Definitions_XmlNs_Prefix = "x";
|
|
internal const string Definitions_Class_LocalName = "Class";
|
|
internal const string Definitions_Code_LocalName = "Code";
|
|
internal const string Definitions_ActivityVisible_LocalName = "Visible";
|
|
internal const string Definitions_ActivityEditable_LocalName = "Editable";
|
|
internal const string Definitions_Type_LocalName = "Type";
|
|
}
|
|
|
|
internal static class WorkflowMarkupSerializationHelpers
|
|
{
|
|
internal static string[] standardNamespaces = {
|
|
"System",
|
|
"System.Collections",
|
|
"System.ComponentModel",
|
|
"System.ComponentModel.Design",
|
|
"System.Collections.Generic",
|
|
"System.Workflow.ComponentModel",
|
|
"System.Workflow.Runtime",
|
|
"System.Workflow.Activities"
|
|
};
|
|
|
|
public static Activity LoadXomlDocument(WorkflowMarkupSerializationManager xomlSerializationManager, XmlReader textReader, string fileName)
|
|
{
|
|
if (xomlSerializationManager == null)
|
|
throw new ArgumentNullException("xomlSerializationManager");
|
|
|
|
Activity rootActivity = null;
|
|
try
|
|
{
|
|
xomlSerializationManager.Context.Push(fileName);
|
|
rootActivity = new WorkflowMarkupSerializer().Deserialize(xomlSerializationManager, textReader) as Activity;
|
|
}
|
|
finally
|
|
{
|
|
xomlSerializationManager.Context.Pop();
|
|
}
|
|
|
|
return rootActivity;
|
|
}
|
|
|
|
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
|
|
internal static void ProcessDefTag(WorkflowMarkupSerializationManager serializationManager, XmlReader reader, Activity activity, bool newSegment, string fileName)
|
|
{
|
|
System.Resources.ResourceManager resourceManager = new System.Resources.ResourceManager("System.Workflow.ComponentModel.StringResources", typeof(System.Workflow.ComponentModel.ActivityBind).Assembly);
|
|
if (reader.NodeType == XmlNodeType.Attribute)
|
|
{
|
|
switch (reader.LocalName)
|
|
{
|
|
case StandardXomlKeys.Definitions_Class_LocalName:
|
|
activity.SetValue(WorkflowMarkupSerializer.XClassProperty, reader.Value);
|
|
break;
|
|
default:
|
|
serializationManager.ReportError(new WorkflowMarkupSerializationException(string.Format(CultureInfo.CurrentCulture, resourceManager.GetString("UnknownDefinitionTag"), new object[] { StandardXomlKeys.Definitions_XmlNs_Prefix, reader.LocalName, StandardXomlKeys.Definitions_XmlNs }), (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LineNumber : 1, (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LinePosition : 1));
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
bool exitLoop = false;
|
|
bool isEmptyElement = reader.IsEmptyElement;
|
|
int initialDepth = reader.Depth;
|
|
do
|
|
{
|
|
XmlNodeType currNodeType = reader.NodeType;
|
|
switch (currNodeType)
|
|
{
|
|
case XmlNodeType.Element:
|
|
{
|
|
/*
|
|
if (!reader.LocalName.Equals(localName))
|
|
{
|
|
serializationManager.ReportError(new WorkflowMarkupSerializationException(string.Format(resourceManager.GetString("DefnTagsCannotBeNested"), "def", localName, reader.LocalName), reader.LineNumber, reader.LinePosition));
|
|
return;
|
|
}
|
|
*/
|
|
|
|
switch (reader.LocalName)
|
|
{
|
|
case StandardXomlKeys.Definitions_Code_LocalName:
|
|
break;
|
|
|
|
case "Constructor":
|
|
default:
|
|
serializationManager.ReportError(new WorkflowMarkupSerializationException(string.Format(CultureInfo.CurrentCulture, resourceManager.GetString("UnknownDefinitionTag"), StandardXomlKeys.Definitions_XmlNs_Prefix, reader.LocalName, StandardXomlKeys.Definitions_XmlNs), (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LineNumber : 1, (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LinePosition : 1));
|
|
return;
|
|
}
|
|
|
|
// if an empty element do a Reader then exit
|
|
if (isEmptyElement)
|
|
exitLoop = true;
|
|
break;
|
|
}
|
|
|
|
case XmlNodeType.EndElement:
|
|
{
|
|
//reader.Read();
|
|
if (reader.Depth == initialDepth)
|
|
exitLoop = true;
|
|
break;
|
|
}
|
|
|
|
case XmlNodeType.CDATA:
|
|
case XmlNodeType.Text:
|
|
{
|
|
//
|
|
|
|
|
|
int lineNumber = (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LineNumber : 1;
|
|
int linePosition = (reader is IXmlLineInfo) ? ((IXmlLineInfo)reader).LinePosition : 1;
|
|
CodeSnippetTypeMember codeSegment = new CodeSnippetTypeMember(reader.Value);
|
|
codeSegment.LinePragma = new CodeLinePragma(fileName, Math.Max(lineNumber - 1, 1));
|
|
codeSegment.UserData[UserDataKeys.CodeSegment_New] = newSegment;
|
|
codeSegment.UserData[UserDataKeys.CodeSegment_ColumnNumber] = linePosition + reader.Name.Length - 1;
|
|
|
|
CodeTypeMemberCollection codeSegments = activity.GetValue(WorkflowMarkupSerializer.XCodeProperty) as CodeTypeMemberCollection;
|
|
if (codeSegments == null)
|
|
{
|
|
codeSegments = new CodeTypeMemberCollection();
|
|
activity.SetValue(WorkflowMarkupSerializer.XCodeProperty, codeSegments);
|
|
}
|
|
codeSegments.Add(codeSegment);
|
|
//}
|
|
/*else
|
|
{
|
|
serializationManager.ReportError( new WorkflowMarkupSerializationException(
|
|
string.Format(resourceManager.GetString("IllegalCDataTextScoping"),
|
|
"def",
|
|
reader.LocalName,
|
|
(currNodeType == XmlNodeType.CDATA ? resourceManager.GetString("CDATASection") : resourceManager.GetString("TextSection"))),
|
|
reader.LineNumber,
|
|
reader.LinePosition)
|
|
);
|
|
}
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
while (!exitLoop && reader.Read());
|
|
}
|
|
|
|
[SuppressMessage("Microsoft.Cryptographic.Standard", "CA5350:MD5CannotBeUsed",
|
|
Justification = "Design has been approved. We are not using MD5 for any security or cryptography purposes but rather as a hash.")]
|
|
internal static CodeNamespaceCollection GenerateCodeFromXomlDocument(Activity rootActivity, string filePath, string rootNamespace, SupportedLanguages language, IServiceProvider serviceProvider)
|
|
{
|
|
CodeNamespaceCollection codeNamespaces = new CodeNamespaceCollection();
|
|
CodeDomProvider codeDomProvider = CompilerHelpers.GetCodeDomProvider(language);
|
|
|
|
// generate activity class
|
|
string activityFullClassName = rootActivity.GetValue(WorkflowMarkupSerializer.XClassProperty) as string;
|
|
CodeTypeDeclaration activityTypeDeclaration = null;
|
|
if (codeDomProvider != null && !string.IsNullOrEmpty(activityFullClassName))
|
|
{
|
|
// get class and namespace names
|
|
string activityNamespaceName, activityClassName;
|
|
Helpers.GetNamespaceAndClassName(activityFullClassName, out activityNamespaceName, out activityClassName);
|
|
if (codeDomProvider.IsValidIdentifier(activityClassName))
|
|
{
|
|
DesignerSerializationManager designerSerializationManager = new DesignerSerializationManager(serviceProvider);
|
|
using (designerSerializationManager.CreateSession())
|
|
{
|
|
ActivityCodeDomSerializationManager codeDomSerializationManager = new ActivityCodeDomSerializationManager(designerSerializationManager);
|
|
TypeCodeDomSerializer typeCodeDomSerializer = codeDomSerializationManager.GetSerializer(rootActivity.GetType(), typeof(TypeCodeDomSerializer)) as TypeCodeDomSerializer;
|
|
|
|
// get all activities
|
|
bool generateCode = true;
|
|
|
|
ArrayList allActivities = new ArrayList();
|
|
allActivities.Add(rootActivity);
|
|
if (rootActivity is CompositeActivity)
|
|
{
|
|
foreach (Activity activity in Helpers.GetNestedActivities((CompositeActivity)rootActivity))
|
|
{
|
|
if (Helpers.IsActivityLocked(activity))
|
|
continue;
|
|
if (codeDomProvider.IsValidIdentifier(codeDomSerializationManager.GetName(activity)))
|
|
{
|
|
// WinOE Bug 14561. This is to fix a performance problem. When an activity is added to the activity
|
|
// tree at the runtime, it's much faster if the ID of the activity is already set. The code that
|
|
// the CodeDomSerializer generates will add the activity first before it sets the ID for the child
|
|
// activity. We can change that order by always serializing the children first. Therefore, we
|
|
// construct a list where we guarantee that the child will be serialized before its parent.
|
|
allActivities.Insert(0, activity);
|
|
}
|
|
else
|
|
{
|
|
generateCode = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (generateCode)
|
|
{
|
|
// Work around!! TypeCodeDomSerializer checks that root component has a site or not, otherwise it
|
|
// does not serialize it look at ComponentTypeCodeDomSerializer.cs
|
|
DummySite dummySite = new DummySite();
|
|
foreach (Activity nestedActivity in allActivities)
|
|
((IComponent)nestedActivity).Site = dummySite;
|
|
((IComponent)rootActivity).Site = dummySite;
|
|
|
|
// create activity partial class
|
|
activityTypeDeclaration = typeCodeDomSerializer.Serialize(codeDomSerializationManager, rootActivity, allActivities);
|
|
activityTypeDeclaration.IsPartial = true;
|
|
|
|
// add checksum attribute
|
|
if (filePath != null && filePath.Length > 0)
|
|
{
|
|
MD5 md5 = new MD5CryptoServiceProvider();
|
|
byte[] checksumBytes = null;
|
|
using (StreamReader streamReader = new StreamReader(filePath))
|
|
checksumBytes = md5.ComputeHash(streamReader.BaseStream);
|
|
string checksum = string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}{3}{4}{5}{6}{7}{8}{9}{10}{11}{12}{13}{14}{15}", new object[] { checksumBytes[0].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[1].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[2].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[3].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[4].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[5].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[6].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[7].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[8].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[9].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[10].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[11].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[12].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[13].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[14].ToString("X2", CultureInfo.InvariantCulture), checksumBytes[15].ToString("X2", CultureInfo.InvariantCulture) });
|
|
CodeAttributeDeclaration xomlSourceAttribute = new CodeAttributeDeclaration(typeof(WorkflowMarkupSourceAttribute).FullName);
|
|
xomlSourceAttribute.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(filePath)));
|
|
xomlSourceAttribute.Arguments.Add(new CodeAttributeArgument(new CodePrimitiveExpression(checksum)));
|
|
activityTypeDeclaration.CustomAttributes.Add(xomlSourceAttribute);
|
|
}
|
|
|
|
// create a new namespace and add activity class into that
|
|
CodeNamespace activityCodeNamespace = new CodeNamespace(activityNamespaceName);
|
|
activityCodeNamespace.Types.Add(activityTypeDeclaration);
|
|
codeNamespaces.Add(activityCodeNamespace);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// generate code for x:Code
|
|
if (activityTypeDeclaration != null)
|
|
{
|
|
Queue activitiesQueue = new Queue(new object[] { rootActivity });
|
|
while (activitiesQueue.Count > 0)
|
|
{
|
|
Activity activity = (Activity)activitiesQueue.Dequeue();
|
|
if (Helpers.IsActivityLocked(activity))
|
|
continue;
|
|
|
|
Queue childActivities = new Queue(new object[] { activity });
|
|
while (childActivities.Count > 0)
|
|
{
|
|
Activity childActivity = (Activity)childActivities.Dequeue();
|
|
if (childActivity is CompositeActivity)
|
|
{
|
|
foreach (Activity nestedChildActivity in ((CompositeActivity)childActivity).Activities)
|
|
{
|
|
childActivities.Enqueue(nestedChildActivity);
|
|
}
|
|
}
|
|
|
|
// generate x:Code
|
|
CodeTypeMemberCollection codeSegments = childActivity.GetValue(WorkflowMarkupSerializer.XCodeProperty) as CodeTypeMemberCollection;
|
|
if (codeSegments != null)
|
|
{
|
|
foreach (CodeSnippetTypeMember codeSegmentMember in codeSegments)
|
|
activityTypeDeclaration.Members.Add(codeSegmentMember);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (language == SupportedLanguages.CSharp)
|
|
activityTypeDeclaration.LinePragma = new CodeLinePragma((string)rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty), Math.Max((int)rootActivity.GetValue(ActivityMarkupSerializer.StartLineProperty), 1));
|
|
|
|
//Now make sure we that we also emit line pragma around the constructor
|
|
CodeConstructor constructor = null;
|
|
CodeMemberMethod method = null;
|
|
foreach (CodeTypeMember typeMember in activityTypeDeclaration.Members)
|
|
{
|
|
if (constructor == null && typeMember is CodeConstructor)
|
|
constructor = typeMember as CodeConstructor;
|
|
|
|
if (method == null && typeMember is CodeMemberMethod && typeMember.Name.Equals("InitializeComponent", StringComparison.Ordinal))
|
|
method = typeMember as CodeMemberMethod;
|
|
|
|
if (constructor != null && method != null)
|
|
break;
|
|
}
|
|
|
|
if (constructor != null)
|
|
constructor.LinePragma = new CodeLinePragma((string)rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty), Math.Max((int)rootActivity.GetValue(ActivityMarkupSerializer.StartLineProperty), 1));
|
|
|
|
if (method != null && language == SupportedLanguages.CSharp)
|
|
method.LinePragma = new CodeLinePragma((string)rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty), Math.Max((int)rootActivity.GetValue(ActivityMarkupSerializer.StartLineProperty), 1));
|
|
}
|
|
|
|
// generate mappings
|
|
List<String> clrNamespaces = rootActivity.GetValue(WorkflowMarkupSerializer.ClrNamespacesProperty) as List<String>;
|
|
if (clrNamespaces != null)
|
|
{
|
|
// foreach namespace add these mappings
|
|
foreach (CodeNamespace codeNamespace in codeNamespaces)
|
|
{
|
|
foreach (string clrNamespace in clrNamespaces)
|
|
{
|
|
if (!String.IsNullOrEmpty(clrNamespace))
|
|
{
|
|
CodeNamespaceImport codeNamespaceImport = new CodeNamespaceImport(clrNamespace);
|
|
codeNamespaceImport.LinePragma = new CodeLinePragma((string)rootActivity.GetValue(ActivityCodeDomSerializer.MarkupFileNameProperty), Math.Max((int)rootActivity.GetValue(ActivityMarkupSerializer.StartLineProperty), 1));
|
|
codeNamespace.Imports.Add(codeNamespaceImport);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// return namespaces
|
|
return codeNamespaces;
|
|
}
|
|
|
|
internal static void FixStandardNamespacesAndRootNamespace(CodeNamespaceCollection codeNamespaces, string rootNS, SupportedLanguages language)
|
|
{
|
|
// add the standard imports to all the namespaces.
|
|
if (language == SupportedLanguages.VB)
|
|
{
|
|
foreach (CodeNamespace codeNamespace in codeNamespaces)
|
|
{
|
|
if (codeNamespace.Name == rootNS)
|
|
{
|
|
codeNamespace.Name = string.Empty;
|
|
codeNamespace.UserData.Add("TruncatedNamespace", null);
|
|
}
|
|
else if (codeNamespace.Name.StartsWith(rootNS + ".", StringComparison.Ordinal))
|
|
{
|
|
codeNamespace.Name = codeNamespace.Name.Substring(rootNS.Length + 1);
|
|
codeNamespace.UserData.Add("TruncatedNamespace", null);
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach (CodeNamespace codeNamespace in codeNamespaces)
|
|
{
|
|
Hashtable definedNamespaces = new Hashtable();
|
|
foreach (CodeNamespaceImport codeNamespaceImport in codeNamespace.Imports)
|
|
definedNamespaces.Add(codeNamespaceImport.Namespace, codeNamespaceImport);
|
|
|
|
foreach (string standardNS in standardNamespaces)
|
|
if (!definedNamespaces.Contains(standardNS))//add only new imports
|
|
codeNamespace.Imports.Add(new CodeNamespaceImport(standardNS));
|
|
}
|
|
}
|
|
|
|
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
|
|
internal static void ReapplyRootNamespace(CodeNamespaceCollection codeNamespaces, string rootNS, SupportedLanguages language)
|
|
{
|
|
if (language == SupportedLanguages.VB)
|
|
{
|
|
foreach (CodeNamespace codeNamespace in codeNamespaces)
|
|
{
|
|
if (codeNamespace.UserData.Contains("TruncatedNamespace"))
|
|
{
|
|
if (codeNamespace.Name == null || codeNamespace.Name.Length == 0)
|
|
codeNamespace.Name = rootNS;
|
|
else if (codeNamespace.Name.StartsWith(rootNS + ".", StringComparison.Ordinal))
|
|
codeNamespace.Name = rootNS + "." + codeNamespace.Name;
|
|
|
|
codeNamespace.UserData.Remove("TruncatedNamespace");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#region Event Support
|
|
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
|
|
internal static string GetEventHandlerName(object owner, string eventName)
|
|
{
|
|
string handler = null;
|
|
DependencyObject dependencyObject = owner as DependencyObject;
|
|
if (!string.IsNullOrEmpty(eventName) && owner != null && dependencyObject != null)
|
|
{
|
|
if (dependencyObject.GetValue(WorkflowMarkupSerializer.EventsProperty) != null)
|
|
{
|
|
Hashtable dynamicEvents = dependencyObject.GetValue(WorkflowMarkupSerializer.EventsProperty) as Hashtable;
|
|
if (dynamicEvents != null && dynamicEvents.ContainsKey(eventName))
|
|
handler = dynamicEvents[eventName] as string;
|
|
}
|
|
}
|
|
return handler;
|
|
}
|
|
|
|
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
|
|
internal static void SetEventHandlerName(object owner, string eventName, string value)
|
|
{
|
|
DependencyObject dependencyObject = owner as DependencyObject;
|
|
if (!string.IsNullOrEmpty(eventName) && owner != null && dependencyObject != null)
|
|
{
|
|
if (dependencyObject.GetValue(WorkflowMarkupSerializer.EventsProperty) == null)
|
|
dependencyObject.SetValue(WorkflowMarkupSerializer.EventsProperty, new Hashtable());
|
|
|
|
Hashtable dynamicEvents = dependencyObject.GetValue(WorkflowMarkupSerializer.EventsProperty) as Hashtable;
|
|
dynamicEvents[eventName] = value;
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
private class DummySite : ISite
|
|
{
|
|
public IComponent Component { get { return null; } }
|
|
public IContainer Container { get { return null; } }
|
|
public bool DesignMode { get { return true; } }
|
|
public string Name { get { return string.Empty; } set { } }
|
|
public object GetService(Type type) { return null; }
|
|
}
|
|
}
|
|
|
|
}
|