Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Serializer / MarkupExtensionSerializer.cs / 1305376 / MarkupExtensionSerializer.cs
namespace System.Workflow.ComponentModel.Serialization
{
using System;
using System.Xml;
using System.Reflection;
using System.Workflow.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Text;
using System.Diagnostics;
using System.ComponentModel;
using System.Collections.Generic;
// This is called BindMarkupSerializer, but the implementation can be used for a general MarkupExtensionSerializer.
// The syntax for the serialization conforms to XAML's markup extension.
#region Class MarkupExtensionSerializer
internal class MarkupExtensionSerializer : WorkflowMarkupSerializer
{
private const string CompactFormatPropertySeperator = ",";
private const string CompactFormatTypeSeperator = " ";
private const string CompactFormatNameValueSeperator = "=";
private const string CompactFormatStart = "{";
private const string CompactFormatEnd = "}";
private const string CompactFormatCharacters = "=,\"\'{}\\";
protected internal sealed override bool CanSerializeToString(WorkflowMarkupSerializationManager serializationManager, object value)
{
return true;
}
protected internal sealed override string SerializeToString(WorkflowMarkupSerializationManager serializationManager, object value)
{
if (serializationManager == null)
throw new ArgumentNullException("serializationManager");
XmlWriter writer = serializationManager.WorkflowMarkupStack[typeof(XmlWriter)] as XmlWriter;
if (writer == null)
throw new ArgumentNullException("writer");
if (value == null)
throw new ArgumentNullException("value");
writer.WriteString(MarkupExtensionSerializer.CompactFormatStart);
string prefix = String.Empty;
XmlQualifiedName qualifiedName = serializationManager.GetXmlQualifiedName(value.GetType(), out prefix);
writer.WriteQualifiedName(qualifiedName.Name, qualifiedName.Namespace);
int index = 0;
Dictionary constructorArguments = null;
InstanceDescriptor instanceDescriptor = this.GetInstanceDescriptor(serializationManager, value);
if (instanceDescriptor != null)
{
ConstructorInfo ctorInfo = instanceDescriptor.MemberInfo as ConstructorInfo;
if (ctorInfo != null)
{
ParameterInfo[] parameters = ctorInfo.GetParameters();
if (parameters != null && parameters.Length == instanceDescriptor.Arguments.Count)
{
int i = 0;
foreach (object argValue in instanceDescriptor.Arguments)
{
if (constructorArguments == null)
constructorArguments = new Dictionary();
//
if (argValue == null)
continue;
constructorArguments.Add(parameters[i].Name, parameters[i++].Name);
if (index++ > 0)
writer.WriteString(MarkupExtensionSerializer.CompactFormatPropertySeperator);
else
writer.WriteString(MarkupExtensionSerializer.CompactFormatTypeSeperator);
if (argValue.GetType() == typeof(string))
{
writer.WriteString(CreateEscapedValue(argValue as string));
}
else if (argValue is System.Type)
{
Type argType = argValue as Type;
if (argType.Assembly != null)
{
string typePrefix = String.Empty;
XmlQualifiedName typeQualifiedName = serializationManager.GetXmlQualifiedName(argType, out typePrefix);
writer.WriteQualifiedName(XmlConvert.EncodeName(typeQualifiedName.Name), typeQualifiedName.Namespace);
}
else
{
writer.WriteString(argType.FullName);
}
}
else
{
string stringValue = base.SerializeToString(serializationManager, argValue);
if (stringValue != null)
writer.WriteString(stringValue);
}
}
}
}
}
List properties = new List();
properties.AddRange(GetProperties(serializationManager, value));
properties.AddRange(serializationManager.GetExtendedProperties(value));
foreach (PropertyInfo serializableProperty in properties)
{
if (Helpers.GetSerializationVisibility(serializableProperty) != DesignerSerializationVisibility.Hidden && serializableProperty.CanRead && serializableProperty.GetValue(value, null) != null)
{
WorkflowMarkupSerializer propSerializer = serializationManager.GetSerializer(serializableProperty.PropertyType, typeof(WorkflowMarkupSerializer)) as WorkflowMarkupSerializer;
if (propSerializer == null)
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNotAvailable, serializableProperty.PropertyType.FullName)));
continue;
}
if (constructorArguments != null)
{
object[] attributes = serializableProperty.GetCustomAttributes(typeof(ConstructorArgumentAttribute), false);
if (attributes.Length > 0 && constructorArguments.ContainsKey((attributes[0] as ConstructorArgumentAttribute).ArgumentName))
// Skip this property, it has already been represented by a constructor parameter
continue;
}
//Get the property serializer so that we can convert the bind object to string
serializationManager.Context.Push(serializableProperty);
try
{
object propValue = serializableProperty.GetValue(value, null);
if (propSerializer.ShouldSerializeValue(serializationManager, propValue))
{
//We do not allow nested bind syntax
if (propSerializer.CanSerializeToString(serializationManager, propValue))
{
if (index++ > 0)
writer.WriteString(MarkupExtensionSerializer.CompactFormatPropertySeperator);
else
writer.WriteString(MarkupExtensionSerializer.CompactFormatTypeSeperator);
writer.WriteString(serializableProperty.Name);
writer.WriteString(MarkupExtensionSerializer.CompactFormatNameValueSeperator);
if (propValue.GetType() == typeof(string))
{
writer.WriteString(CreateEscapedValue(propValue as string));
}
else
{
string stringValue = propSerializer.SerializeToString(serializationManager, propValue);
if (stringValue != null)
writer.WriteString(stringValue);
}
}
else
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNoSerializeLogic, new object[] { serializableProperty.Name, value.GetType().FullName })));
}
}
}
catch
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNoSerializeLogic, new object[] { serializableProperty.Name, value.GetType().FullName })));
continue;
}
finally
{
Debug.Assert((PropertyInfo)serializationManager.Context.Current == serializableProperty, "Serializer did not remove an object it pushed into stack.");
serializationManager.Context.Pop();
}
}
}
writer.WriteString(MarkupExtensionSerializer.CompactFormatEnd);
return string.Empty;
}
protected virtual InstanceDescriptor GetInstanceDescriptor(WorkflowMarkupSerializationManager serializationManager, object value)
{
MarkupExtension markupExtension = value as MarkupExtension;
if (markupExtension == null)
throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(MarkupExtension).FullName), "value");
return new InstanceDescriptor(markupExtension.GetType().GetConstructor(new Type[0]), null);
}
// more escaped characters can be consider here, hence a seperate fn instead of string.Replace
private string CreateEscapedValue(string value)
{
if (value == null)
throw new ArgumentNullException("value");
StringBuilder sb = new StringBuilder(64);
int length = value.Length;
for (int i = 0; i < length; i++)
{
if (MarkupExtensionSerializer.CompactFormatCharacters.IndexOf(value[i]) != -1)
sb.Append("\\");
sb.Append(value[i]);
}
return sb.ToString();
}
}
#endregion
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
namespace System.Workflow.ComponentModel.Serialization
{
using System;
using System.Xml;
using System.Reflection;
using System.Workflow.ComponentModel.Design;
using System.ComponentModel.Design.Serialization;
using System.Text;
using System.Diagnostics;
using System.ComponentModel;
using System.Collections.Generic;
// This is called BindMarkupSerializer, but the implementation can be used for a general MarkupExtensionSerializer.
// The syntax for the serialization conforms to XAML's markup extension.
#region Class MarkupExtensionSerializer
internal class MarkupExtensionSerializer : WorkflowMarkupSerializer
{
private const string CompactFormatPropertySeperator = ",";
private const string CompactFormatTypeSeperator = " ";
private const string CompactFormatNameValueSeperator = "=";
private const string CompactFormatStart = "{";
private const string CompactFormatEnd = "}";
private const string CompactFormatCharacters = "=,\"\'{}\\";
protected internal sealed override bool CanSerializeToString(WorkflowMarkupSerializationManager serializationManager, object value)
{
return true;
}
protected internal sealed override string SerializeToString(WorkflowMarkupSerializationManager serializationManager, object value)
{
if (serializationManager == null)
throw new ArgumentNullException("serializationManager");
XmlWriter writer = serializationManager.WorkflowMarkupStack[typeof(XmlWriter)] as XmlWriter;
if (writer == null)
throw new ArgumentNullException("writer");
if (value == null)
throw new ArgumentNullException("value");
writer.WriteString(MarkupExtensionSerializer.CompactFormatStart);
string prefix = String.Empty;
XmlQualifiedName qualifiedName = serializationManager.GetXmlQualifiedName(value.GetType(), out prefix);
writer.WriteQualifiedName(qualifiedName.Name, qualifiedName.Namespace);
int index = 0;
Dictionary constructorArguments = null;
InstanceDescriptor instanceDescriptor = this.GetInstanceDescriptor(serializationManager, value);
if (instanceDescriptor != null)
{
ConstructorInfo ctorInfo = instanceDescriptor.MemberInfo as ConstructorInfo;
if (ctorInfo != null)
{
ParameterInfo[] parameters = ctorInfo.GetParameters();
if (parameters != null && parameters.Length == instanceDescriptor.Arguments.Count)
{
int i = 0;
foreach (object argValue in instanceDescriptor.Arguments)
{
if (constructorArguments == null)
constructorArguments = new Dictionary();
//
if (argValue == null)
continue;
constructorArguments.Add(parameters[i].Name, parameters[i++].Name);
if (index++ > 0)
writer.WriteString(MarkupExtensionSerializer.CompactFormatPropertySeperator);
else
writer.WriteString(MarkupExtensionSerializer.CompactFormatTypeSeperator);
if (argValue.GetType() == typeof(string))
{
writer.WriteString(CreateEscapedValue(argValue as string));
}
else if (argValue is System.Type)
{
Type argType = argValue as Type;
if (argType.Assembly != null)
{
string typePrefix = String.Empty;
XmlQualifiedName typeQualifiedName = serializationManager.GetXmlQualifiedName(argType, out typePrefix);
writer.WriteQualifiedName(XmlConvert.EncodeName(typeQualifiedName.Name), typeQualifiedName.Namespace);
}
else
{
writer.WriteString(argType.FullName);
}
}
else
{
string stringValue = base.SerializeToString(serializationManager, argValue);
if (stringValue != null)
writer.WriteString(stringValue);
}
}
}
}
}
List properties = new List();
properties.AddRange(GetProperties(serializationManager, value));
properties.AddRange(serializationManager.GetExtendedProperties(value));
foreach (PropertyInfo serializableProperty in properties)
{
if (Helpers.GetSerializationVisibility(serializableProperty) != DesignerSerializationVisibility.Hidden && serializableProperty.CanRead && serializableProperty.GetValue(value, null) != null)
{
WorkflowMarkupSerializer propSerializer = serializationManager.GetSerializer(serializableProperty.PropertyType, typeof(WorkflowMarkupSerializer)) as WorkflowMarkupSerializer;
if (propSerializer == null)
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNotAvailable, serializableProperty.PropertyType.FullName)));
continue;
}
if (constructorArguments != null)
{
object[] attributes = serializableProperty.GetCustomAttributes(typeof(ConstructorArgumentAttribute), false);
if (attributes.Length > 0 && constructorArguments.ContainsKey((attributes[0] as ConstructorArgumentAttribute).ArgumentName))
// Skip this property, it has already been represented by a constructor parameter
continue;
}
//Get the property serializer so that we can convert the bind object to string
serializationManager.Context.Push(serializableProperty);
try
{
object propValue = serializableProperty.GetValue(value, null);
if (propSerializer.ShouldSerializeValue(serializationManager, propValue))
{
//We do not allow nested bind syntax
if (propSerializer.CanSerializeToString(serializationManager, propValue))
{
if (index++ > 0)
writer.WriteString(MarkupExtensionSerializer.CompactFormatPropertySeperator);
else
writer.WriteString(MarkupExtensionSerializer.CompactFormatTypeSeperator);
writer.WriteString(serializableProperty.Name);
writer.WriteString(MarkupExtensionSerializer.CompactFormatNameValueSeperator);
if (propValue.GetType() == typeof(string))
{
writer.WriteString(CreateEscapedValue(propValue as string));
}
else
{
string stringValue = propSerializer.SerializeToString(serializationManager, propValue);
if (stringValue != null)
writer.WriteString(stringValue);
}
}
else
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNoSerializeLogic, new object[] { serializableProperty.Name, value.GetType().FullName })));
}
}
}
catch
{
serializationManager.ReportError(new WorkflowMarkupSerializationException(SR.GetString(SR.Error_SerializerNoSerializeLogic, new object[] { serializableProperty.Name, value.GetType().FullName })));
continue;
}
finally
{
Debug.Assert((PropertyInfo)serializationManager.Context.Current == serializableProperty, "Serializer did not remove an object it pushed into stack.");
serializationManager.Context.Pop();
}
}
}
writer.WriteString(MarkupExtensionSerializer.CompactFormatEnd);
return string.Empty;
}
protected virtual InstanceDescriptor GetInstanceDescriptor(WorkflowMarkupSerializationManager serializationManager, object value)
{
MarkupExtension markupExtension = value as MarkupExtension;
if (markupExtension == null)
throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(MarkupExtension).FullName), "value");
return new InstanceDescriptor(markupExtension.GetType().GetConstructor(new Type[0]), null);
}
// more escaped characters can be consider here, hence a seperate fn instead of string.Replace
private string CreateEscapedValue(string value)
{
if (value == null)
throw new ArgumentNullException("value");
StringBuilder sb = new StringBuilder(64);
int length = value.Length;
for (int i = 0; i < length; i++)
{
if (MarkupExtensionSerializer.CompactFormatCharacters.IndexOf(value[i]) != -1)
sb.Append("\\");
sb.Append(value[i]);
}
return sb.ToString();
}
}
#endregion
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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