SetPresence() public method

Sets the attribute presence declaration.
public SetPresence ( string token ) : bool
token string The string representation of the attribute presence, corresponding to one of the values in the enumeration.
return bool
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        private void ParseAttDefault(char ch, AttDef attdef)
        {
            if (ch == '%')
            {
                Entity e = this.ParseParameterEntity(WhiteSpace);
                this.PushEntity(this.m_current.ResolvedUri, e);
                this.ParseAttDefault(this.m_current.Lastchar, attdef);
                this.PopEntity(); // bugbug - are we at the end of the entity?
                ch = this.m_current.Lastchar;
                return;
            }

            bool hasdef = true;
            if (ch == '#')
            {
                this.m_current.ReadChar();
                string token = this.m_current.ScanToken(this.m_sb, WhiteSpace, true);
                hasdef = attdef.SetPresence(token);
                ch = this.m_current.SkipWhitespace();
            }
            if (hasdef)
            {
                if (ch == '\'' || ch == '"')
                {
                    string lit = this.m_current.ScanLiteral(this.m_sb, ch);
                    attdef.Default = lit;
                    ch = this.m_current.SkipWhitespace();
                }
                else
                {
                    string name = this.m_current.ScanToken(this.m_sb, WhiteSpace, false);
                    name = name.ToUpperInvariant();
                    attdef.Default = name; // bugbug - must be one of the enumerated names.
                    ch = this.m_current.SkipWhitespace();
                }
            }
        }