internal EpmTargetPathSegment(string segmentName, string segmentNamespaceUri, string segmentNamespacePrefix, EpmTargetPathSegment parentSegment)
: this()
{
this.segmentName = segmentName;
this.segmentNamespaceUri = segmentNamespaceUri;
this.segmentNamespacePrefix = segmentNamespacePrefix;
this.parentSegment = parentSegment;
}
internal EpmCustomContentWriterNodeData(EpmTargetPathSegment segment, object element)
{
this.XmlContentStream = new MemoryStream();
XmlWriterSettings customContentWriterSettings = new XmlWriterSettings();
customContentWriterSettings.OmitXmlDeclaration = true;
customContentWriterSettings.ConformanceLevel = ConformanceLevel.Fragment;
this.XmlContentWriter = XmlWriter.Create(this.XmlContentStream, customContentWriterSettings);
this.PopulateData(segment, element);
}
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
{
if (targetSegment.IsAttribute)
{
this.WriteAttribute(targetSegment);
}
else
{
this.WriteElement(targetSegment);
}
}
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
{
if (targetSegment.HasContent)
{
EntityPropertyMappingInfo epmInfo = targetSegment.EpmInfo;
object propertyValue;
try
{
propertyValue = epmInfo.ReadPropertyValue(this.Element);
}
catch (System.Reflection.TargetInvocationException)
{
throw;
}
String contentType;
Action<String> contentWriter;
switch (epmInfo.Attribute.TargetTextContentKind)
{
case SyndicationTextContentKind.Html:
contentType = "html";
contentWriter = this.Target.WriteString;
break;
case SyndicationTextContentKind.Xhtml:
contentType = "xhtml";
contentWriter = this.Target.WriteRaw;
break;
default:
contentType = "text";
contentWriter = this.Target.WriteString;
break;
}
Action<String, bool, bool> textSyndicationWriter = (c, nonTextPossible, atomDateConstruct) =>
{
this.Target.WriteStartElement(c, XmlConstants.AtomNamespace);
if (nonTextPossible)
{
this.Target.WriteAttributeString(XmlConstants.AtomTypeAttributeName, String.Empty, contentType);
}
String textPropertyValue =
propertyValue != null ? ClientConvert.ToString(propertyValue, atomDateConstruct) :
atomDateConstruct ? ClientConvert.ToString(DateTime.MinValue, atomDateConstruct) :
String.Empty;
contentWriter(textPropertyValue);
this.Target.WriteEndElement();
};
switch (epmInfo.Attribute.TargetSyndicationItem)
{
case SyndicationItemProperty.AuthorEmail:
case SyndicationItemProperty.ContributorEmail:
textSyndicationWriter(XmlConstants.AtomEmailElementName, false, false);
break;
case SyndicationItemProperty.AuthorName:
case SyndicationItemProperty.ContributorName:
textSyndicationWriter(XmlConstants.AtomNameElementName, false, false);
this.authorNamePresent = true;
break;
case SyndicationItemProperty.AuthorUri:
case SyndicationItemProperty.ContributorUri:
textSyndicationWriter(XmlConstants.AtomUriElementName, false, false);
break;
case SyndicationItemProperty.Updated:
textSyndicationWriter(XmlConstants.AtomUpdatedElementName, false, true);
this.updatedPresent = true;
break;
case SyndicationItemProperty.Published:
textSyndicationWriter(XmlConstants.AtomPublishedElementName, false, true);
break;
case SyndicationItemProperty.Rights:
textSyndicationWriter(XmlConstants.AtomRightsElementName, true, false);
break;
case SyndicationItemProperty.Summary:
textSyndicationWriter(XmlConstants.AtomSummaryElementName, true, false);
break;
case SyndicationItemProperty.Title:
textSyndicationWriter(XmlConstants.AtomTitleElementName, true, false);
break;
default:
Debug.Assert(false, "Unhandled SyndicationItemProperty enum value - should never get here.");
break;
}
}
else
{
if (targetSegment.SegmentName == XmlConstants.AtomAuthorElementName)
{
this.CreateAuthor(false);
base.Serialize(targetSegment, kind);
this.FinishAuthor();
}
else if (targetSegment.SegmentName == XmlConstants.AtomContributorElementName)
{
this.Target.WriteStartElement(XmlConstants.AtomContributorElementName, XmlConstants.AtomNamespace);
base.Serialize(targetSegment, kind);
this.Target.WriteEndElement();
}
else
{
Debug.Assert(false, "Only authors and contributors have nested elements");
}
}
}
private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment)
{
foreach (EpmTargetPathSegment segment in subSegment.SubSegments)
{
this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element));
this.InitializeSubSegmentVisitorContent(segment);
}
}
private void WriteElement(EpmTargetPathSegment targetSegment)
{
EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment];
currentContent.XmlContentWriter.WriteStartElement(
targetSegment.SegmentNamespacePrefix,
targetSegment.SegmentName,
targetSegment.SegmentNamespaceUri);
base.Serialize(targetSegment, EpmSerializationKind.Attributes);
if (targetSegment.HasContent)
{
Debug.Assert(currentContent.Data != null, "Must always have non-null data content value");
currentContent.XmlContentWriter.WriteString(currentContent.Data);
}
base.Serialize(targetSegment, EpmSerializationKind.Elements);
currentContent.XmlContentWriter.WriteEndElement();
}
private void WriteAttribute(EpmTargetPathSegment targetSegment)
{
Debug.Assert(targetSegment.HasContent, "Must have content for attributes");
EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment];
currentContent.XmlContentWriter.WriteAttributeString(
targetSegment.SegmentNamespacePrefix,
targetSegment.SegmentName.Substring(1),
targetSegment.SegmentNamespaceUri,
currentContent.Data);
}
protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
{
IEnumerable<EpmTargetPathSegment> segmentsToSerialize;
switch (kind)
{
case EpmSerializationKind.Attributes:
segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true);
break;
case EpmSerializationKind.Elements:
segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false);
break;
default:
Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything");
segmentsToSerialize = targetSegment.SubSegments;
break;
}
foreach (EpmTargetPathSegment segment in segmentsToSerialize)
{
this.Serialize(segment, kind);
}
}
internal EpmCustomContentWriterNodeData(EpmCustomContentWriterNodeData parentData, EpmTargetPathSegment segment, object element)
{
this.XmlContentStream = parentData.XmlContentStream;
this.XmlContentWriter = parentData.XmlContentWriter;
this.PopulateData(segment, element);
}
private void PopulateData(EpmTargetPathSegment segment, object element)
{
if (segment.EpmInfo != null)
{
Object propertyValue;
try
{
propertyValue = segment.EpmInfo.ReadPropertyValue(element);
}
catch (System.Reflection.TargetInvocationException)
{
throw;
}
this.Data = propertyValue == null ? String.Empty : ClientConvert.ToString(propertyValue, false);
}
}
internal void Add(EntityPropertyMappingInfo epmInfo)
{
string targetName = epmInfo.Attribute.TargetPath;
bool isSyndication = epmInfo.Attribute.TargetSyndicationItem != SyndicationItemProperty.CustomProperty;
string namespaceUri = epmInfo.Attribute.TargetNamespaceUri;
string namespacePrefix = epmInfo.Attribute.TargetNamespacePrefix;
EpmTargetPathSegment currentSegment = isSyndication ? this.SyndicationRoot : this.NonSyndicationRoot;
IList<EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments;
Debug.Assert(!string.IsNullOrEmpty(targetName), "Must have been validated during EntityPropertyMappingAttribute construction");
string[] targetSegments = targetName.Split('/');
for (int i = 0; i < targetSegments.Length; i++)
{
string targetSegment = targetSegments[i];
if (targetSegment.Length == 0)
{
throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName));
}
if (targetSegment[0] == '@' && i != targetSegments.Length - 1)
{
throw new InvalidOperationException(Strings.EpmTargetTree_AttributeInMiddle(targetSegment));
}
EpmTargetPathSegment foundSegment = activeSubSegments.SingleOrDefault(
segment => segment.SegmentName == targetSegment &&
(isSyndication || segment.SegmentNamespaceUri == namespaceUri));
if (foundSegment != null)
{
currentSegment = foundSegment;
}
else
{
currentSegment = new EpmTargetPathSegment(targetSegment, namespaceUri, namespacePrefix, currentSegment);
if (targetSegment[0] == '@')
{
activeSubSegments.Insert(0, currentSegment);
}
else
{
activeSubSegments.Add(currentSegment);
}
}
activeSubSegments = currentSegment.SubSegments;
}
if (currentSegment.HasContent)
{
throw new ArgumentException(Strings.EpmTargetTree_DuplicateEpmAttrsWithSameTargetName(EpmTargetTree.GetPropertyNameFromEpmInfo(currentSegment.EpmInfo), currentSegment.EpmInfo.DefiningType.Name, currentSegment.EpmInfo.Attribute.SourcePath, epmInfo.Attribute.SourcePath));
}
if (!epmInfo.Attribute.KeepInContent)
{
this.countOfNonContentProperties++;
}
currentSegment.EpmInfo = epmInfo;
if (EpmTargetTree.HasMixedContent(this.NonSyndicationRoot, false))
{
throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName));
}
}
private static bool HasMixedContent(EpmTargetPathSegment currentSegment, bool ancestorHasContent)
{
foreach (EpmTargetPathSegment childSegment in currentSegment.SubSegments.Where(s => !s.IsAttribute))
{
if (childSegment.HasContent && ancestorHasContent)
{
return true;
}
if (HasMixedContent(childSegment, childSegment.HasContent || ancestorHasContent))
{
return true;
}
}
return false;
}