private void WriteMemberTarget(MemberTarget target, ReferenceLinkDisplayOptions options, XmlWriter writer,
IDictionary <IndexedTemplateTypeReference, TypeReference> dictionary)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if ((options & ReferenceLinkDisplayOptions.ShowContainer) > 0)
{
TypeReference type = target.Type;
WriteType(type, options & ~ReferenceLinkDisplayOptions.ShowContainer, writer);
if (target.TargetType == TargetType.Method)
{
MethodTarget methodTarget = (MethodTarget)target;
if (methodTarget.conversionOperator)
{
writer.WriteString(" ");
}
else
{
WriteSeperator(writer);
}
}
else
{
WriteSeperator(writer);
}
}
switch (target.TargetType)
{
case TargetType.Method:
// special logic for writing methods
WriteMethod((MethodTarget)target, options, writer, dictionary);
return;
case TargetType.Property:
// special logic for writing properties
WriteProperty((PropertyTarget)target, options, writer);
return;
case TargetType.Constructor:
// special logic for writing constructors
WriteConstructor((ConstructorTarget)target, options, writer);
return;
case TargetType.Event:
// special logic for writing events
WriteEvent((EventTarget)target, options, writer);
return;
}
// by default, just write name
writer.WriteString(target.Name);
}
private static MemberTarget CreateMemberTarget(XPathNavigator api)
{
string subgroup = (string)api.Evaluate(apiSubgroupExpression);
MemberTarget target;
if (subgroup == "method")
{
target = CreateMethodTarget(api);
}
else if (subgroup == "property")
{
target = CreatePropertyTarget(api);
}
else if (subgroup == "constructor")
{
target = CreateConstructorTarget(api);
}
else if (subgroup == "event")
{
target = CreateEventTarget(api);
}
else
{
target = new MemberTarget();
}
target.name = (string)api.Evaluate(apiNameExpression);
target.containingType = CreateSimpleTypeReference(api.SelectSingleNode(apiContainingTypeExpression));
target.overload = (string)api.Evaluate(apiOverloadIdExpression);
return(target);
}
private static EnumerationTarget CreateEnumerationTarget(XPathNavigator api, ReferenceLinkType linkType)
{
EnumerationTarget enumeration = new EnumerationTarget();
string typeId = (string)api.Evaluate(topicIdExpression);
string file = (string)api.Evaluate(topicFileExpression);
// Create tar
List <MemberTarget> members = new List <MemberTarget>();
XPathNodeIterator elementNodes = api.Select("elements/element");
foreach (XPathNavigator elementNode in elementNodes)
{
string memberId = elementNode.GetAttribute("api", String.Empty);
// try to get name from attribute on element node
string memberName = elementNode.GetAttribute("name", String.Empty);
if (String.IsNullOrEmpty(memberName))
{
// if we can't do that, try to get the name by searching the file for the <api> element of that member
XPathNavigator memberApi = api.SelectSingleNode(String.Format(
"following-sibling::api[@id='{0}']", memberId));
if (memberApi != null)
{
memberName = (string)memberApi.Evaluate(apiNameExpression);
}
else
{
// if all else fails, get the name by parsing the identifier
string arguments;
string type;
ReferenceTextUtilities.DecomposeMemberIdentifier(memberId,
out type, out memberName, out arguments);
}
}
MemberTarget member = new MemberTarget();
member.id = memberId; // get Id from element
member.file = file; // get file from type file
member.type = linkType;
member.name = memberName; // get name from element
member.containingType = new SimpleTypeReference(typeId); // get containing type from this type
members.Add(member);
}
enumeration.elements = members;
return(enumeration);
}
private void WriteSimpleMember(SimpleMemberReference member, ReferenceLinkDisplayOptions options,
XmlWriter writer, IDictionary <IndexedTemplateTypeReference, TypeReference> dictionary)
{
MemberTarget target = member.Resolve(_targets) as MemberTarget;
if (target != null)
{
WriteMemberTarget(target, options, writer, dictionary);
}
else
{
ReferenceTextUtilities.WriteSimpleMemberReference(member, options, writer, this);
//throw new InvalidOperationException(String.Format("Unknown member target '{0}'", member.Id));
}
}
public static MemberTarget ReadMemberTarget(XmlReader reader)
{
if (reader == null || reader.NodeType != XmlNodeType.Element)
{
return(null);
}
switch (reader.Name)
{
case "MemberTarget":
MemberTarget memberTarget = new MemberTarget();
memberTarget.ReadXml(reader);
return(memberTarget);
case "ConstructorTarget":
ConstructorTarget constructorTarget = new ConstructorTarget();
constructorTarget.ReadXml(reader);
return(constructorTarget);
case "ProcedureTarget":
ProcedureTarget procedTarget = new ProcedureTarget();
procedTarget.ReadXml(reader);
return(procedTarget);
case "EventTarget":
EventTarget eventTarget = new EventTarget();
eventTarget.ReadXml(reader);
return(eventTarget);
case "PropertyTarget":
PropertyTarget propertyTarget = new PropertyTarget();
propertyTarget.ReadXml(reader);
return(propertyTarget);
case "MethodTarget":
MethodTarget methodTarget = new MethodTarget();
methodTarget.ReadXml(reader);
return(methodTarget);
}
return(null);
}
/// <inheritdoc />
public override void Apply(XmlDocument document, string key)
{
Target target = null, keyTarget;
string msdnUrl = null;
foreach (XPathNavigator linkNode in document.CreateNavigator().Select(referenceLinkExpression).ToArray())
{
// Extract link information
ReferenceLinkInfo link = new ReferenceLinkInfo(linkNode);
// Determine target, link type, and display options
string targetId = link.Target;
DisplayOptions options = link.DisplayOptions;
ReferenceLinkType type = ReferenceLinkType.None;
if (String.IsNullOrWhiteSpace(targetId))
{
this.WriteMessage(key, MessageLevel.Warn, "The target attribute is missing or has no " +
"value. You have most likely omitted a cref attribute or left it blank on an XML " +
"comments element such as see, seealso, or exception.");
continue;
}
bool targetFound = targets.TryGetValue(targetId, out target, out type);
// If it's an overload ID that wasn't found, it's possible that the overloads got excluded.
// As such, see if we can find a match for a method using the same ID regardless of any
// parameters.
if (!targetFound && targetId.StartsWith("Overload:", StringComparison.Ordinal) ||
targetId.StartsWith("O:", StringComparison.Ordinal))
{
string methodTargetId = "M:" + targetId.Substring(targetId.IndexOf(':') + 1);
methodTargetId = targets.Keys.FirstOrDefault(k => k.StartsWith(methodTargetId));
if (methodTargetId != null)
{
targetId = methodTargetId;
targetFound = targets.TryGetValue(targetId, out target, out type);
options |= DisplayOptions.ShowParameters;
// Don't use the content as it may not be appropriate for the method. The default is
// "{0} Overload" which no longer applies. Instead we'll show the method name and
// its parameters.
if (link.DisplayTarget.Equals("format", StringComparison.OrdinalIgnoreCase))
{
link.DisplayTarget = null;
link.Contents = null;
}
}
}
// If not found and it starts with "System." or "Microsoft." we'll go with the assumption that
// it's part of a Microsoft class library that is not part of the core framework but does have
// documentation available on MSDN. Worst case it doesn't and we get an unresolved link warning
// instead of an unknown reference target warning.
if (!targetFound && ((targetId.Length > 9 && targetId.Substring(2).StartsWith("System.",
StringComparison.Ordinal)) || (targetId.Length > 12 && targetId.Substring(2).StartsWith(
"Microsoft.", StringComparison.Ordinal))))
{
// Use the same link type as a core framework class
targetFound = targets.TryGetValue("T:System.Object", out target, out type);
// We don't have a target in this case so links to overloads pages won't work. Also note
// that the link text will be generated from the ID which shouldn't make much of a difference
// in most cases. If either case is an issue, the Additional Reference Links SHFB plug-in
// can be used to generate valid link target data.
target = null;
}
if (!targetFound)
{
// If not being rendered as a link, don't report a warning
if (link.RenderAsLink && targetId != key)
{
this.WriteMessage(key, MessageLevel.Warn, "Unknown reference link target '{0}'.", targetId);
}
// !EFW - Turn off the Show Parameters option for unresolved elements except methods. If
// not, it outputs an empty "()" after the member name which looks odd.
if (targetId[0] != 'M')
{
options &= ~DisplayOptions.ShowParameters;
}
}
else
{
// If overload is preferred and found, change targetId and make link options hide parameters
if (link.PreferOverload && target != null)
{
bool isConversionOperator = false;
MethodTarget method = target as MethodTarget;
if (method != null)
{
isConversionOperator = method.IsConversionOperator;
}
MemberTarget member = target as MemberTarget;
// If conversion operator is found, always link to individual topic
if (member != null && !String.IsNullOrEmpty(member.OverloadId) && !isConversionOperator)
{
Target overloadTarget = targets[member.OverloadId];
if (overloadTarget != null)
{
target = overloadTarget;
targetId = overloadTarget.Id;
}
}
// If individual conversion operator is found, always display parameters
if (isConversionOperator && member != null && !String.IsNullOrEmpty(member.OverloadId))
{
options = options | DisplayOptions.ShowParameters;
}
else
{
options = options & ~DisplayOptions.ShowParameters;
}
}
}
// Suppress the link if so requested. Links to this page are not live.
if (!link.RenderAsLink)
{
type = ReferenceLinkType.None;
}
else
if (targetId == key)
{
type = ReferenceLinkType.Self;
}
else
if (target != null && targets.TryGetValue(key, out keyTarget) && target.File == keyTarget.File)
{
type = ReferenceLinkType.Self;
}
// !EFW - Redirect enumeration fields to the containing enumerated type so that we
// get a valid link target. Enum fields don't have a topic to themselves.
if (type != ReferenceLinkType.None && type != ReferenceLinkType.Self && type != ReferenceLinkType.Local &&
targetId.StartsWith("F:", StringComparison.OrdinalIgnoreCase))
{
MemberTarget member = target as MemberTarget;
if (member != null)
{
SimpleTypeReference typeRef = member.ContainingType as SimpleTypeReference;
if (typeRef != null && targets[typeRef.Id] is EnumerationTarget)
{
targetId = typeRef.Id;
}
}
}
// Get MSDN endpoint if needed
if (type == ReferenceLinkType.Msdn)
{
if (msdnResolver != null && !msdnResolver.IsDisabled)
{
msdnUrl = msdnResolver.GetMsdnUrl(targetId);
if (String.IsNullOrEmpty(msdnUrl))
{
// If the web service failed, report the reason
if (msdnResolver.IsDisabled)
{
this.WriteMessage(key, MessageLevel.Warn, "MSDN web service failed. No " +
"further look ups will be performed for this build.\r\nReason: {0}",
msdnResolver.DisabledReason);
}
else
{
this.WriteMessage(key, MessageLevel.Warn, "MSDN URL not found for target '{0}'.",
targetId);
}
type = ReferenceLinkType.None;
}
}
else
{
type = ReferenceLinkType.None;
}
}
// Write opening link tag and target info
XmlWriter writer = linkNode.InsertAfter();
switch (type)
{
case ReferenceLinkType.None:
writer.WriteStartElement("span");
// If the link was intentionally suppressed, write it out as an identifier (i.e. links
// in the syntax section).
if (link.RenderAsLink)
{
writer.WriteAttributeString("class", "nolink");
}
else
{
writer.WriteAttributeString("class", "identifier");
}
break;
case ReferenceLinkType.Self:
writer.WriteStartElement("span");
writer.WriteAttributeString("class", "selflink");
break;
case ReferenceLinkType.Local:
// Format link with prefix and/or postfix
string href = String.Format(CultureInfo.InvariantCulture, hrefFormat, target.File);
// Make link relative, if we have a baseUrl
if (baseUrl != null)
{
href = href.GetRelativePath(document.EvalXPathExpr(baseUrl, "key", key));
}
writer.WriteStartElement("a");
writer.WriteAttributeString("href", href);
break;
case ReferenceLinkType.Msdn:
writer.WriteStartElement("a");
writer.WriteAttributeString("href", msdnUrl);
writer.WriteAttributeString("target", linkTarget);
break;
case ReferenceLinkType.Id:
writer.WriteStartElement("a");
writer.WriteAttributeString("href", ("ms-xhelp:///?Id=" + targetId).Replace("#", "%23"));
break;
}
// Write the link text
if (String.IsNullOrEmpty(link.DisplayTarget))
{
if (link.Contents == null)
{
if (target != null)
{
resolver.WriteTarget(target, options, writer);
}
else
{
Reference reference = TextReferenceUtilities.CreateReference(targetId);
if (reference is InvalidReference)
{
this.WriteMessage(key, MessageLevel.Warn,
"Invalid reference link target '{0}'.", targetId);
}
resolver.WriteReference(reference, options, writer);
}
}
else
{
do
{
link.Contents.WriteSubtree(writer);
} while(link.Contents.MoveToNext());
}
}
else
{
if (link.DisplayTarget.Equals("content", StringComparison.OrdinalIgnoreCase) &&
link.Contents != null)
{
// Use the contents as an XML representation of the display target
Reference reference = XmlTargetDictionaryUtilities.CreateReference(link.Contents);
resolver.WriteReference(reference, options, writer);
}
if (link.DisplayTarget.Equals("format", StringComparison.OrdinalIgnoreCase) &&
link.Contents != null)
{
// Use the contents as a format string for the display target
string format = link.Contents.OuterXml;
string input = null;
using (StringWriter textStore = new StringWriter(CultureInfo.InvariantCulture))
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.ConformanceLevel = ConformanceLevel.Fragment;
using (XmlWriter xmlStore = XmlWriter.Create(textStore, settings))
{
if (target != null)
{
resolver.WriteTarget(target, options, xmlStore);
}
else
{
Reference reference = TextReferenceUtilities.CreateReference(targetId);
resolver.WriteReference(reference, options, xmlStore);
}
}
input = textStore.ToString();
}
string output = String.Format(CultureInfo.InvariantCulture, format, input);
XmlDocumentFragment fragment = document.CreateDocumentFragment();
fragment.InnerXml = output;
fragment.WriteTo(writer);
}
else if (link.DisplayTarget.Equals("extension", StringComparison.OrdinalIgnoreCase) &&
link.Contents != null)
{
Reference extMethodReference = XmlTargetDictionaryUtilities.CreateExtensionMethodReference(link.Contents);
resolver.WriteReference(extMethodReference, options, writer);
}
else
{
// Use the display target value as a CER for the display target
TextReferenceUtilities.SetGenericContext(key);
Reference reference = TextReferenceUtilities.CreateReference(link.DisplayTarget);
resolver.WriteReference(reference, options, writer);
}
}
// Write the closing link tag
writer.WriteEndElement();
writer.Close();
// Delete the original tag
linkNode.DeleteSelf();
}
}
public void WriteMemberTarget(MemberTarget target, ReferenceLinkDisplayOptions options, XmlWriter writer)
{
WriteMemberTarget(target, options, writer, null);
}
public MemberTargetValueSwapper(MemberTarget member_target)
{
this.member_target = member_target;
this.original_value = member_target.get_value();
}
// component logic
public override void Apply(XmlDocument document, string key)
{
// XmlNodeList link_nodes = document.SelectNodes("//referenceLink");
XPathNodeIterator linkIterator = document.CreateNavigator().Select(referenceLinkExpression);
XPathNavigator[] linkNodes = BuildComponentUtilities.ConvertNodeIteratorToArray(linkIterator);
foreach (XPathNavigator linkNode in linkNodes)
{
// extract link information
ReferenceLinkInfo2 link = ReferenceLinkInfo2.Create(linkNode);
if (link == null)
{
WriteMessage(MessageLevel.Warn, "Invalid referenceLink element.");
}
else
{
// determine target, link type, and display options
string targetId = link.Target;
DisplayOptions options = link.DisplayOptions;
LinkType2 type = LinkType2.None;
Target target = GetTarget(targetId);
if (target == null)
{
// no such target known; set link type to none and warn
type = LinkType2.None;
WriteMessage(MessageLevel.Warn, String.Format("Unknown reference link target '{0}'.", targetId));
}
else
{
// if overload is prefered and found, change targetId and make link options hide parameters
if (link.PreferOverload)
{
bool isConversionOperator = false;
MethodTarget method = target as MethodTarget;
if (method != null)
{
isConversionOperator = method.conversionOperator;
}
MemberTarget member = target as MemberTarget;
// if conversion operator is found, always link to individual topic.
if ((member != null) && (!String.IsNullOrEmpty(member.OverloadId)) && !isConversionOperator)
{
Target overloadTarget = targets[member.OverloadId];
if (overloadTarget != null)
{
target = overloadTarget;
targetId = overloadTarget.Id;
}
}
// if individual conversion operator is found, always display parameters.
if (isConversionOperator && member != null && (!string.IsNullOrEmpty(member.OverloadId)))
{
options = options | DisplayOptions.ShowParameters;
}
else
{
options = options & ~DisplayOptions.ShowParameters;
}
}
// get stored link type
type = target.DefaultLinkType;
// if link type is local or index, determine which
if (type == LinkType2.LocalOrIndex)
{
if ((key != null) && targets.Contains(key) && (target.Container == targets[key].Container))
{
type = LinkType2.Local;
}
else
{
type = LinkType2.Index;
}
}
}
// links to this page are not live
if (targetId == key)
{
type = LinkType2.Self;
}
else if ((target != null) && (key != null) && targets.Contains(key) && (target.File == targets[key].File))
{
type = LinkType2.Self;
}
// get msdn or external endpoint, if needed
string externalUrl = null;
if (type == LinkType2.Msdn || type == LinkType2.External)
{
externalUrl = ResolveExternalUrl(targetId, type);
if (String.IsNullOrEmpty(externalUrl))
{
type = LinkType2.None;
}
}
// write opening link tag and target info
XmlWriter writer = linkNode.InsertAfter();
switch (type)
{
case LinkType2.None:
writer.WriteStartElement("span");
writer.WriteAttributeString("class", "nolink");
break;
case LinkType2.Self:
writer.WriteStartElement("span");
writer.WriteAttributeString("class", "selflink");
break;
case LinkType2.Local:
// format link with prefix and/or postfix
string href = String.Format(hrefFormat, target.File);
// make link relative, if we have a baseUrl
if (baseUrl != null)
{
href = BuildComponentUtilities.GetRelativePath(href, BuildComponentUtilities.EvalXPathExpr(document, baseUrl, "key", key));
}
writer.WriteStartElement("a");
writer.WriteAttributeString("href", href);
break;
case LinkType2.Index:
writer.WriteStartElement("mshelp", "link", "http://msdn.microsoft.com/mshelp");
writer.WriteAttributeString("keywords", targetId);
writer.WriteAttributeString("tabindex", "0");
break;
case LinkType2.Msdn:
case LinkType2.External:
writer.WriteStartElement("a");
writer.WriteAttributeString("href", externalUrl);
writer.WriteAttributeString("target", linkTarget);
break;
}
// write the link text
if (String.IsNullOrEmpty(link.DisplayTarget))
{
if (link.Contents == null)
{
if (target != null)
{
resolver.WriteTarget(target, options, writer);
}
else
{
//Console.WriteLine("Attemting to create reference");
Reference reference = TextReferenceUtilities.CreateReference(targetId);
//Console.WriteLine("Returned");
if (reference is InvalidReference)
{
WriteMessage(MessageLevel.Warn, String.Format("Invalid reference link target '{0}'.", targetId));
}
resolver.WriteReference(reference, options, writer);
}
}
else
{
// write contents to writer
link.Contents.WriteSubtree(writer);
}
}
else
{
//Console.WriteLine("Display target = {0}", link.DisplayTarget);
if ((String.Compare(link.DisplayTarget, "content", true) == 0) && (link.Contents != null))
{
// Use the contents as an XML representation of the display target
//Console.WriteLine(link.Contents.NodeType);
Reference reference = XmlTargetCollectionUtilities.CreateReference(link.Contents);
//Console.WriteLine(reference.GetType().FullName);
resolver.WriteReference(reference, options, writer);
}
if ((String.Compare(link.DisplayTarget, "format", true) == 0) && (link.Contents != null))
{
// Use the contents as a format string for the display target
string format = link.Contents.OuterXml;
//Console.WriteLine("format = {0}", format);
string input = null;
StringWriter textStore = new StringWriter();
try {
XmlWriterSettings settings = new XmlWriterSettings();
settings.ConformanceLevel = ConformanceLevel.Fragment;
XmlWriter xmlStore = XmlWriter.Create(textStore, settings);
try {
if (target != null)
{
resolver.WriteTarget(target, options, xmlStore);
}
else
{
Reference reference = TextReferenceUtilities.CreateReference(targetId);
resolver.WriteReference(reference, options, xmlStore);
}
} finally {
xmlStore.Close();
}
input = textStore.ToString();
} finally {
textStore.Close();
}
//Console.WriteLine("input = {0}", input);
string output = String.Format(format, input);
//Console.WriteLine("output = {0}", output);
XmlDocumentFragment fragment = document.CreateDocumentFragment();
fragment.InnerXml = output;
fragment.WriteTo(writer);
//writer.WriteRaw(output);
}
else if ((String.Compare(link.DisplayTarget, "extension", true) == 0) && (link.Contents != null))
{
Reference extMethodReference = XmlTargetCollectionUtilities.CreateExtensionMethodReference(link.Contents);
resolver.WriteReference(extMethodReference, options, writer);
}
else
{
// Use the display target value as a CER for the display target
TextReferenceUtilities.SetGenericContext(key);
Reference reference = TextReferenceUtilities.CreateReference(link.DisplayTarget);
//Console.WriteLine("Reference is {0}", reference.GetType().FullName);
resolver.WriteReference(reference, options, writer);
}
}
// write the closing link tag
writer.WriteEndElement();
writer.Close();
}
// delete the original tag
linkNode.DeleteSelf();
}
}
public MemberTargetValueSwapper(MemberTarget member_target)
{
this.member_target = member_target;
this.original_value = member_target.get_value();
}
public DefaultFieldSwitcher(MemberTarget member_target)
{
this.member_target = member_target;
original_value = member_target.get_value();
}
public static Target ReadTarget(XmlReader reader)
{
if (reader == null || reader.NodeType != XmlNodeType.Element)
{
return(null);
}
switch (reader.Name)
{
case "Target":
Target target = new Target();
target.ReadXml(reader);
return(target);
case "NamespaceTarget":
NamespaceTarget namespaceTarget = new NamespaceTarget();
namespaceTarget.ReadXml(reader);
return(namespaceTarget);
case "TypeTarget":
TypeTarget typeTarget = new TypeTarget();
typeTarget.ReadXml(reader);
return(typeTarget);
case "EnumerationTarget":
EnumerationTarget enumTarget = new EnumerationTarget();
enumTarget.ReadXml(reader);
return(enumTarget);
case "MemberTarget":
MemberTarget memberTarget = new MemberTarget();
memberTarget.ReadXml(reader);
return(memberTarget);
case "ConstructorTarget":
ConstructorTarget constructorTarget = new ConstructorTarget();
constructorTarget.ReadXml(reader);
return(constructorTarget);
case "ProcedureTarget":
ProcedureTarget procedTarget = new ProcedureTarget();
procedTarget.ReadXml(reader);
return(procedTarget);
case "EventTarget":
EventTarget eventTarget = new EventTarget();
eventTarget.ReadXml(reader);
return(eventTarget);
case "PropertyTarget":
PropertyTarget propertyTarget = new PropertyTarget();
propertyTarget.ReadXml(reader);
return(propertyTarget);
case "MethodTarget":
MethodTarget methodTarget = new MethodTarget();
methodTarget.ReadXml(reader);
return(methodTarget);
}
return(null);
}
public FieldSwitcherImplementation(MemberTarget member_target)
{
this.member_target = member_target;
original_value = member_target.get_value();
}
private void ProcessReferenceLink(XmlDocument document, string key)
{
XPathNodeIterator linkIterator = document.CreateNavigator().Select(
referenceLinkExpression);
if (linkIterator == null || linkIterator.Count == 0)
{
return;
}
XPathNavigator[] linkNodes = BuildComponentUtilities.ConvertNodeIteratorToArray(linkIterator);
foreach (XPathNavigator linkNode in linkNodes)
{
// extract link information
ReferenceLinkInfo link = ReferenceLinkInfo.Create(linkNode);
if (link == null)
{
this.WriteMessage(MessageLevel.Warn,
"Invalid referenceLink element.");
#if DEBUG
this.WriteMessage(MessageLevel.Warn, linkNode.OuterXml);
#endif
}
else
{
// determine target, link type, and display options
string targetId = link.Target;
ReferenceLinkDisplayOptions options = link.DisplayOptions;
ReferenceLinkType type = ReferenceLinkType.None;
Target target = _targets[targetId];
if (target == null)
{
if (_hasTopicLinks && _targetController[targetId] != null)
{
this.ProcessConceptualLink(linkNode, key);
// delete the original tag
linkNode.DeleteSelf();
continue;
}
else
{
// no such target known; set link type to none and warn
type = ReferenceLinkType.None;
this.WriteMessage(MessageLevel.Warn, String.Format(
"Unknown reference link target '{0}'.", targetId));
}
}
else
{
// if overload is preferred and found, change targetId and make link options hide parameters
if (link.PreferOverload)
{
bool isConversionOperator = false;
TargetType targetType = target.TargetType;
MemberTarget member = null;
if (targetType == TargetType.Method)
{
MethodTarget method = (MethodTarget)target;
isConversionOperator = method.ConversionOperator;
member = method; // a method is a member...
}
else if (targetType == TargetType.Member || targetType == TargetType.Constructor ||
targetType == TargetType.Procedure || targetType == TargetType.Event ||
targetType == TargetType.Property)
{
member = (MemberTarget)target;
}
// if conversion operator is found, always link to individual topic.
if ((member != null) && (!String.IsNullOrEmpty(member.OverloadId)) && !isConversionOperator)
{
Target overloadTarget = _targets[member.OverloadId];
if (overloadTarget != null)
{
target = overloadTarget;
targetId = overloadTarget.Id;
}
}
// if individual conversion operator is found, always display parameters.
if (isConversionOperator && member != null &&
(!string.IsNullOrEmpty(member.OverloadId)))
{
options = options | ReferenceLinkDisplayOptions.ShowParameters;
}
else
{
options = options & ~ReferenceLinkDisplayOptions.ShowParameters;
}
}
// get stored link type
type = _targets.RecentLinkTypeIsMsdn ?
_targets.RecentLinkType : target.LinkType;
// if link type is local or index, determine which
if (type == ReferenceLinkType.LocalOrIndex)
{
if ((key != null) && _targets.Contains(key) &&
(target.Container == _targets[key].Container))
{
type = ReferenceLinkType.Local;
}
else
{
type = ReferenceLinkType.Index;
}
}
}
// links to this page are not live
if (targetId == key)
{
type = ReferenceLinkType.Self;
}
else if ((target != null) && (key != null) && _targets.Contains(key) &&
(target.File == _targets[key].File))
{
type = ReferenceLinkType.Self;
}
// get msdn endpoint, if needed
string msdnUrl = null;
if (type == ReferenceLinkType.Msdn)
{
if ((_msdnResolver == null) || (_msdnResolver.IsDisabled))
{
// no msdn resolver
}
else
{
msdnUrl = _msdnResolver[targetId];
if (String.IsNullOrEmpty(msdnUrl))
{
WriteMessage(MessageLevel.Warn, String.Format(
"MSDN URL not found for target '{0}'.", targetId));
}
}
if (String.IsNullOrEmpty(msdnUrl))
{
type = ReferenceLinkType.None;
}
}
// write opening link tag and target info
XmlWriter writer = linkNode.InsertAfter();
switch (type)
{
case ReferenceLinkType.None:
writer.WriteStartElement("span");
writer.WriteAttributeString("class", "nolink");
break;
case ReferenceLinkType.Self:
writer.WriteStartElement("span");
writer.WriteAttributeString("class", "selflink");
break;
case ReferenceLinkType.Local:
// format link with prefix and/or postfix
string href = String.Format(_hrefFormat, target.File);
// make link relative, if we have a baseUrl
if (_baseUrl != null)
{
href = BuildComponentUtilities.GetRelativePath(href,
BuildComponentUtilities.EvalXPathExpr(document, _baseUrl, "key", key));
}
writer.WriteStartElement("a");
writer.WriteAttributeString("href", href);
break;
case ReferenceLinkType.Index:
writer.WriteStartElement("mshelp", "link", "http://msdn.microsoft.com/mshelp");
writer.WriteAttributeString("keywords", targetId);
writer.WriteAttributeString("tabindex", "0");
break;
case ReferenceLinkType.Msdn:
writer.WriteStartElement("a");
writer.WriteAttributeString("href", msdnUrl);
writer.WriteAttributeString("target", _linkTarget);
break;
case ReferenceLinkType.Id:
string xhelp = String.Format("ms-xhelp://?Id={0}", targetId);
xhelp = xhelp.Replace("#", "%23");
writer.WriteStartElement("a");
writer.WriteAttributeString("href", xhelp);
break;
}
// write the link text
if (String.IsNullOrEmpty(link.DisplayTarget))
{
if (link.Contents == null)
{
if (target != null)
{
_linkResolver.WriteTarget(target, options, writer);
}
else
{
Reference reference = ReferenceTextUtilities.CreateReference(targetId);
if (reference.ReferenceType == ReferenceType.Invalid)
{
WriteMessage(MessageLevel.Warn, String.Format(
"Invalid reference link target '{0}'.", targetId));
}
_linkResolver.WriteReference(reference, options, writer);
}
}
else
{
// write contents to writer
link.Contents.WriteSubtree(writer);
}
}
else
{
if ((String.Compare(link.DisplayTarget, "content", true) == 0) && (link.Contents != null))
{
// Use the contents as an XML representation of the display target
Reference reference = TargetCollectionXmlUtilities.CreateReference(link.Contents);
_linkResolver.WriteReference(reference, options, writer);
}
if ((String.Compare(link.DisplayTarget, "format", true) == 0) && (link.Contents != null))
{
// Use the contents as a format string for the display target
string format = link.Contents.OuterXml;
string input = null;
StringWriter textStore = new StringWriter();
try
{
XmlWriter xmlStore = XmlWriter.Create(textStore, _writerSettings);
try
{
if (target != null)
{
_linkResolver.WriteTarget(target, options, xmlStore);
}
else
{
Reference reference = ReferenceTextUtilities.CreateReference(targetId);
_linkResolver.WriteReference(reference, options, xmlStore);
}
}
finally
{
xmlStore.Close();
}
input = textStore.ToString();
}
finally
{
textStore.Close();
}
string output = String.Format(format, input);
XmlDocumentFragment fragment = document.CreateDocumentFragment();
fragment.InnerXml = output;
fragment.WriteTo(writer);
//writer.WriteRaw(output);
}
else if ((String.Compare(link.DisplayTarget, "extension", true) == 0) && (link.Contents != null))
{
Reference extMethodReference = TargetCollectionXmlUtilities.CreateExtensionMethodReference(link.Contents);
_linkResolver.WriteReference(extMethodReference, options, writer);
}
else
{
// Use the display target value as a CER for the display target
ReferenceTextUtilities.SetGenericContext(key);
Reference reference = ReferenceTextUtilities.CreateReference(link.DisplayTarget);
_linkResolver.WriteReference(reference, options, writer);
}
}
// write the closing link tag
writer.WriteEndElement();
writer.Close();
}
// delete the original tag
linkNode.DeleteSelf();
}
}
