private string LinkWikiNames (string input)
{
StringBuilder answer = new StringBuilder();
string str = input;
ArrayList processed = new ArrayList();
while (str.Length > 0)
{
Match m = extractWikiLinks.Match(str);
if (!m.Success)
break;
string each = m.Groups["topic"].ToString();
string before = m.Groups["before"].ToString();
string after = m.Groups["after"].ToString();
string relabel = m.Groups["relabel"].ToString();
string anchor = m.Groups["anchor"].ToString();
RelativeTopicName relName = new RelativeTopicName(TopicName.StripEscapes(each));
// Ignore apparent links to non-existent namespaces.
if ((null == relName.Namespace) || (null != TheFederation.ContentBaseForNamespace(relName.Namespace)))
{
// Build a list of all the possible absoluteNames for this topic
ArrayList absoluteNames = new ArrayList();
// Start with the singulars in the various reachable namespaces, then add the plurals
absoluteNames.AddRange(ContentBase.AllAbsoluteTopicNamesThatExist(relName));
AddCacheRule(ContentBase.CacheRuleForAllPossibleInstancesOfTopic(relName));
foreach (TopicName alternate in relName.AlternateForms)
{
AddCacheRule(ContentBase.CacheRuleForAllPossibleInstancesOfTopic(alternate));
absoluteNames.AddRange(ContentBase.AllAbsoluteTopicNamesThatExist(alternate));
}
// Now see if we got any hits or not
string rep = beforeOrRelabel + "(" + RegexEscapeTopic(each) + ")" + afterWikiName;
AbsoluteTopicName appearedAs = new AbsoluteTopicName(each); // in case it was a plural form, be sure to show it as it appeared
string displayname = TopicName.StripEscapes((ContentBase.DisplaySpacesInWikiLinks ? appearedAs.FormattedName : appearedAs.Name));
if (relabel.Length > 0)
{
displayname = relabel;
}
if (absoluteNames.Count == 0)
{
if (!IsUnbracketedOneWordName(each))
{
// It doesn't exist, so give the option to create it
AbsoluteTopicName abs = relName.AsAbsoluteTopicName(ContentBase.Namespace);
str = ReplaceMatch(answer, str, m, before + "<a title=\"Click here to create this topic\" class=\"create\" href=\"" + LinkMaker().LinkToEditTopic(abs) + "\">" + displayname + "</a>" + after);
}
else
str = ReplaceMatch(answer, str, m, m.Value);
}
else
{
// We got hits, let's add links
if (absoluteNames.Count == 1)
{
// The simple case is that there's only one link to point to, so we output just a normal link
AbsoluteTopicName abs = (AbsoluteTopicName)absoluteNames[0];
string tip = TipForTopic(abs);
string tipid = null;
string tipHTML = null;
bool defaultTip = tip == null;
if (defaultTip)
{
tip = "Click to read this topic";
}
tipid = NewUniqueIdentifier();
tipHTML = Formatter.EscapeHTML(tip);
if (defaultTip)
{
tipHTML = "<span class=\"DefaultTopicTipText\">" + tipHTML + "</span>";
}
tipHTML += "<div class=\"TopicTipStats\">" + TheFederation.GetTopicModificationTime(abs).ToString() + " - " + TheFederation.GetTopicLastModifiedBy(abs) + "</div>";
tipHTML = "<div id=" + tipid +" style=\"display: none\">" + tipHTML + "</div>";
Output.AddToFooter(tipHTML);
string replacement = "<a ";
if (tip != null)
{
replacement += "onmouseover=\"TopicTipOn(this, '" + tipid + "', event);\" onmouseout=\"TopicTipOff();\" ";
}
replacement += "href=\"" + LinkMaker().LinkToTopic(abs);
if (anchor.Length > 0)
{
replacement += "#" + anchor;
if (0 == relabel.Length)
{
displayname += "#" + anchor;
}
}
replacement += "\">" + displayname + "</a>";
str = ReplaceMatch(answer, str, m, before + replacement + after) ;
}
else
{
// There's more than one; we need to generate a dynamic menu
string clickEvent;
clickEvent = "onclick=\"javascript:LinkMenu(new Array(";
bool first = true;
foreach (AbsoluteTopicName eachAbs in absoluteNames)
{
if (!first)
clickEvent += ", ";
first = false;
clickEvent += "new Array('" + eachAbs + "', '" + LinkMaker().LinkToTopic(eachAbs) + "')";
}
clickEvent += "), event);\"";
str = ReplaceMatch(answer, str, m, before + "<a title=\"Different versions of this topic exist. Click to pick one.\" " + clickEvent + ">" + displayname + "</a>" + after) ;
}
}
}
else
{
str = ReplaceMatch(answer, str, m, before + relName.Fullname + after);
}
}
// Add on whatever's not yet been consumed
answer.Append(str);
return answer.ToString();
}
