System.Xml.DTDReader.CompileDeclaration C# (CSharp) Method

		private void CompileDeclaration ()
		{
			switch(ReadChar ())
			{
			case '-':
				Expect ('-');
				// Only read, no store.
				ReadComment ();
				break;
			case 'E':
				switch(ReadChar ())
				{
				case 'N':
					Expect ("TITY");
					if (!SkipWhitespace ())
						throw NotWFError (
							"Whitespace is required after '<!ENTITY' in DTD entity declaration.");
					LOOPBACK:
					if (PeekChar () == '%') {
						ReadChar ();
						if (!SkipWhitespace ()) {
							ExpandPERef ();
							goto LOOPBACK;
						} else {
							// FIXME: Is this allowed? <!ENTITY % %name; ...> 
							// (i.e. Can PE name be replaced by another PE?)
							TryExpandPERef ();
							if (XmlChar.IsNameChar (PeekChar ()))
								ReadParameterEntityDecl ();
							else
								throw NotWFError ("expected name character");
						}
						break;
					}
					DTDEntityDeclaration ent = ReadEntityDecl ();
					if (DTD.EntityDecls [ent.Name] == null)
						DTD.EntityDecls.Add (ent.Name, ent);
					break;
				case 'L':
					Expect ("EMENT");
					DTDElementDeclaration el = ReadElementDecl ();
					DTD.ElementDecls.Add (el.Name, el);
					break;
				default:
					throw NotWFError ("Syntax Error after '<!E' (ELEMENT or ENTITY must be found)");
				}
				break;
			case 'A':
				Expect ("TTLIST");
				DTDAttListDeclaration atl = ReadAttListDecl ();
				DTD.AttListDecls.Add (atl.Name, atl);
				break;
			case 'N':
				Expect ("OTATION");
				DTDNotationDeclaration not = ReadNotationDecl ();
				DTD.NotationDecls.Add (not.Name, not);
				break;
			case '[':
				// conditional sections
				SkipWhitespace ();
				TryExpandPERef ();
				Expect ('I');
				switch (ReadChar ()) {
				case 'N':
					Expect ("CLUDE");
					ExpectAfterWhitespace ('[');
					dtdIncludeSect++;
					break;
				case 'G':
					Expect ("NORE");
					ReadIgnoreSect ();
					break;
				}
				break;
			default:
				throw NotWFError ("Syntax Error after '<!' characters.");
			}
		}