public override bool Equals(object ob)
{
if (ob == this)
{
return(true);
}
if (!(ob is DTDProcessingInstruction))
{
return(false);
}
DTDProcessingInstruction other = (DTDProcessingInstruction)ob;
if (Text == null)
{
if (other.Text != null)
{
return(false);
}
}
else
{
if (!Text.Equals(other.Text))
{
return(false);
}
}
return(true);
}
protected void ParseTopLevelElement()
{
Token token = Scanner.Get();
// Is <? xxx ?> even valid in a DTD? I'll ignore it just in case it's there
if (token.Type == Scanner.LTQUES)
{
string textBuffer = "";
for (;;)
{
string text = Scanner.GetUntil('?');
textBuffer += (text);
token = Scanner.Peek();
if (token.Type == Scanner.GT)
{
Scanner.Get();
break;
}
textBuffer += ('?');
}
DTDProcessingInstruction instruct =
new DTDProcessingInstruction(textBuffer);
Dtd.Items.Add(instruct);
return;
}
if (token.Type == Scanner.CONDITIONAL)
{
token = Expect(Scanner.IDENTIFIER);
if (token.Value.Equals("IGNORE"))
{
Scanner.SkipConditional();
}
else
{
if (token.Value.Equals("INCLUDE"))
{
Scanner.SkipUntil('[');
}
else
{
throw new DTDParseException(Scanner.GetUriId(),
"Invalid token in conditional: " + token.Value,
Scanner.GetLineNumber(), Scanner.GetColumn());
}
}
}
else if (token.Type == Scanner.ENDCONDITIONAL)
{
// Don't need to do anything for this token
}
else if (token.Type == Scanner.COMMENT)
{
Dtd.Items.Add(new DTDComment(token.Value));
}
else if (token.Type == Scanner.LTBANG)
{
token = Expect(Scanner.IDENTIFIER);
if (token.Value.Equals("ELEMENT"))
{
ParseElement();
}
else if (token.Value.Equals("ATTLIST"))
{
ParseAttlist();
}
else if (token.Value.Equals("ENTITY"))
{
ParseEntity();
}
else if (token.Value.Equals("NOTATION"))
{
ParseNotation();
}
else
{
SkipUntil(Scanner.GT);
}
}
else
{
// MAW Version 1.17
// Previously, the parser would skip over unexpected tokens at the
// upper level. Some invalid DTDs would still show up as valid.
throw new DTDParseException(Scanner.GetUriId(),
"Unexpected token: " + token.Type.Name + "(" + token.Value + ")",
Scanner.GetLineNumber(), Scanner.GetColumn());
}
}
