示例#1
0
        static private Rule Parse(string rulename, string text, bool trace)
        {
            if (rulename == null)
            {
                throw new ArgumentNullException("null rulename");
            }
            if (text == null)
            {
                throw new ArgumentException("null string");
            }

            ParserContext context = new ParserContext(text, trace);

            Rule rule = null;

            if (rulename.ToLower().Equals("geo-URI".ToLower()))
            {
                rule = Rule_geo_URI.Parse(context);
            }
            else if (rulename.ToLower().Equals("geo-scheme".ToLower()))
            {
                rule = Rule_geo_scheme.Parse(context);
            }
            else if (rulename.ToLower().Equals("geo-path".ToLower()))
            {
                rule = Rule_geo_path.Parse(context);
            }
            else if (rulename.ToLower().Equals("coordinates".ToLower()))
            {
                rule = Rule_coordinates.Parse(context);
            }
            else if (rulename.ToLower().Equals("coord-a".ToLower()))
            {
                rule = Rule_coord_a.Parse(context);
            }
            else if (rulename.ToLower().Equals("coord-b".ToLower()))
            {
                rule = Rule_coord_b.Parse(context);
            }
            else if (rulename.ToLower().Equals("coord-c".ToLower()))
            {
                rule = Rule_coord_c.Parse(context);
            }
            else if (rulename.ToLower().Equals("p".ToLower()))
            {
                rule = Rule_p.Parse(context);
            }
            else if (rulename.ToLower().Equals("crsp".ToLower()))
            {
                rule = Rule_crsp.Parse(context);
            }
            else if (rulename.ToLower().Equals("crslabel".ToLower()))
            {
                rule = Rule_crslabel.Parse(context);
            }
            else if (rulename.ToLower().Equals("uncp".ToLower()))
            {
                rule = Rule_uncp.Parse(context);
            }
            else if (rulename.ToLower().Equals("uval".ToLower()))
            {
                rule = Rule_uval.Parse(context);
            }
            else if (rulename.ToLower().Equals("parameter".ToLower()))
            {
                rule = Rule_parameter.Parse(context);
            }
            else if (rulename.ToLower().Equals("pname".ToLower()))
            {
                rule = Rule_pname.Parse(context);
            }
            else if (rulename.ToLower().Equals("pvalue".ToLower()))
            {
                rule = Rule_pvalue.Parse(context);
            }
            else if (rulename.ToLower().Equals("paramchar".ToLower()))
            {
                rule = Rule_paramchar.Parse(context);
            }
            else if (rulename.ToLower().Equals("labeltext".ToLower()))
            {
                rule = Rule_labeltext.Parse(context);
            }
            else if (rulename.ToLower().Equals("pnum".ToLower()))
            {
                rule = Rule_pnum.Parse(context);
            }
            else if (rulename.ToLower().Equals("num".ToLower()))
            {
                rule = Rule_num.Parse(context);
            }
            else if (rulename.ToLower().Equals("unreserved".ToLower()))
            {
                rule = Rule_unreserved.Parse(context);
            }
            else if (rulename.ToLower().Equals("mark".ToLower()))
            {
                rule = Rule_mark.Parse(context);
            }
            else if (rulename.ToLower().Equals("pct-encoded".ToLower()))
            {
                rule = Rule_pct_encoded.Parse(context);
            }
            else if (rulename.ToLower().Equals("p-unreserved".ToLower()))
            {
                rule = Rule_p_unreserved.Parse(context);
            }
            else if (rulename.ToLower().Equals("alphanum".ToLower()))
            {
                rule = Rule_alphanum.Parse(context);
            }
            else if (rulename.ToLower().Equals("DIGIT".ToLower()))
            {
                rule = Rule_DIGIT.Parse(context);
            }
            else if (rulename.ToLower().Equals("HEXDIG".ToLower()))
            {
                rule = Rule_HEXDIG.Parse(context);
            }
            else if (rulename.ToLower().Equals("ALPHA".ToLower()))
            {
                rule = Rule_ALPHA.Parse(context);
            }
            else
            {
                throw new ArgumentException("unknown rule");
            }

            if (rule == null)
            {
                throw new ParserException(
                          "rule \"" + context.GetErrorStack().Peek() + "\" failed",
                          context.text,
                          context.GetErrorIndex(),
                          context.GetErrorStack());
            }

            if (context.text.Length > context.index)
            {
                ParserException primaryError =
                    new ParserException(
                        "extra data found",
                        context.text,
                        context.index,
                        new Stack <string>());

                if (context.GetErrorIndex() > context.index)
                {
                    ParserException secondaryError =
                        new ParserException(
                            "rule \"" + context.GetErrorStack().Peek() + "\" failed",
                            context.text,
                            context.GetErrorIndex(),
                            context.GetErrorStack());

                    primaryError.SetCause(secondaryError);
                }

                throw primaryError;
            }

            return(rule);
        }
示例#2
0
        public static Rule_crslabel Parse(ParserContext context)
        {
            context.Push("crslabel");

            Rule rule;
            bool parsed = true;
            ParserAlternative b;
            int s0 = context.index;
            ParserAlternative a0 = new ParserAlternative(s0);

            List <ParserAlternative> as1 = new List <ParserAlternative>();

            parsed = false;
            {
                int s1 = context.index;
                ParserAlternative a1 = new ParserAlternative(s1);
                parsed = true;
                if (parsed)
                {
                    bool f1 = true;
                    int  c1 = 0;
                    for (int i1 = 0; i1 < 1 && f1; i1++)
                    {
                        rule = Terminal_StringValue.Parse(context, "wgs84");
                        if ((f1 = rule != null))
                        {
                            a1.Add(rule, context.index);
                            c1++;
                        }
                    }
                    parsed = c1 == 1;
                }
                if (parsed)
                {
                    as1.Add(a1);
                }
                context.index = s1;
            }
            {
                int s1 = context.index;
                ParserAlternative a1 = new ParserAlternative(s1);
                parsed = true;
                if (parsed)
                {
                    bool f1 = true;
                    int  c1 = 0;
                    for (int i1 = 0; i1 < 1 && f1; i1++)
                    {
                        rule = Rule_labeltext.Parse(context);
                        if ((f1 = rule != null))
                        {
                            a1.Add(rule, context.index);
                            c1++;
                        }
                    }
                    parsed = c1 == 1;
                }
                if (parsed)
                {
                    as1.Add(a1);
                }
                context.index = s1;
            }

            b = ParserAlternative.GetBest(as1);

            parsed = b != null;

            if (parsed)
            {
                a0.Add(b.rules, b.end);
                context.index = b.end;
            }

            rule = null;
            if (parsed)
            {
                rule = new Rule_crslabel(context.text.Substring(a0.start, a0.end - a0.start), a0.rules);
            }
            else
            {
                context.index = s0;
            }

            context.Pop("crslabel", parsed);

            return((Rule_crslabel)rule);
        }