protected void ParseAttlist()
{
Token token = Expect(Scanner.IDENTIFIER);
DTDElement element = (DTDElement)Dtd.Elements[token.Value];
DTDAttlist attlist = new DTDAttlist(token.Value);
Dtd.Items.Add(attlist);
if (element == null)
{
element = new DTDElement(token.Value);
Dtd.Elements[token.Value] = element;
}
token = Scanner.Peek();
while (token.Type != Scanner.GT)
{
ParseAttdef(Scanner, element, attlist);
token = Scanner.Peek();
}
// MAW Version 1.17
// Prior to this version, the parser didn't actually consume the > at the
// end of the ATTLIST definition. Because the parser ignored unexpected tokens
// at the top level, it was ignoring the >. In parsing DOCBOOK, however, there
// were two unexpected tokens, bringing this error to light.
Expect(Scanner.GT);
}
public override bool Equals(object ob)
{
if (ob == this)
{
return(true);
}
if (!(ob is DTDAttlist))
{
return(false);
}
DTDAttlist other = (DTDAttlist)ob;
if ((Name == null) && (other.Name != null))
{
return(false);
}
if ((Name != null) && Name != other.Name)
{
return(false);
}
return(Attributes.Equals(other.Attributes));
}
protected void ParseAttdef(Scanner scanner, DTDElement element, DTDAttlist attlist)
{
Token token = Expect(Scanner.IDENTIFIER);
DTDAttribute attr = new DTDAttribute(token.Value);
attlist.Attributes.Add(attr);
element.Attributes[token.Value] = attr;
token = scanner.Get();
if (token.Type == Scanner.IDENTIFIER)
{
if (token.Value.Equals("NOTATION"))
{
attr.Type = ParseNotationList();
}
else
{
attr.Type = token.Value;
}
}
else if (token.Type == Scanner.LPAREN)
{
attr.Type = ParseEnumeration();
}
token = scanner.Peek();
if (token.Type == Scanner.IDENTIFIER)
{
scanner.Get();
if (token.Value.Equals("#FIXED"))
{
attr.Decl = DTDDecl.FIXED;
token = scanner.Get();
attr.DefaultValue = token.Value;
}
else if (token.Value.Equals("#REQUIRED"))
{
attr.Decl = DTDDecl.REQUIRED;
}
else if (token.Value.Equals("#IMPLIED"))
{
attr.Decl = DTDDecl.IMPLIED;
}
else
{
throw new DTDParseException(scanner.GetUriId(),
"Invalid token in attribute declaration: " +
token.Value, scanner.GetLineNumber(), scanner.GetColumn());
}
}
else if (token.Type == Scanner.STRING)
{
scanner.Get();
attr.Decl = DTDDecl.VALUE;
attr.DefaultValue = token.Value;
}
}