ndoc 3 fix

ExternalXmlSummaryCache.GetSummary-fix.cs

/// <summary>
/// Returns the original summary for a member inherited from a specified type. 
/// </summary>
/// <param name="memberID">The member ID to lookup.</param>
/// <param name="declaringType">The type that declares that member.</param>
/// <returns>The summary xml.  If not found, returns an zero length string.</returns>
public string GetSummary(string memberID, Type declaringType) {
	//extract member type (T:, P:, etc.)
	string memberType = memberID.Substring(0, 2);

	//extract member name
	int i = memberID.IndexOf('(');
	string memberName = i > -1 ? memberID.Substring(memberID.LastIndexOf('.', i) + 1)
		: memberID.Substring(memberID.LastIndexOf('.') + 1);

	//the member id in the declaring assembly
	string summary = "";
	if (declaringType != null && declaringType.FullName != null)
	{
		string key = memberType + declaringType.FullName.Replace("+", ".") + "." + memberName;

		//check the summaries cache first
		summary = (string)summaries[key];

		if (summary == null)
		{
			//lookup the xml document
			GetXmlFor(declaringType);

			//the summary should now be cached (if it exists!)
			//so lets have another go at getting it...
			summary = (string)summaries[key];

			//if no summary was not found, create an blank one
			if (summary == null)
			{
				//Debug.WriteLine("#NoSummary#\t" + key); 
				summary = "";
				//cache the blank so we don't search for it again
				summaries.Add(key, summary);
			}

		}
	}
	return "<summary>" + summary + "</summary>";
}