public JsonGrammar() : base("json") { EnableMatchEvents = false; CaseSensitive = true; // terminals var jstring = new StringParser { AllowEscapeCharacters = true, Name = "string" }; var jnumber = new NumberParser { AllowExponent = true, AllowSign = true, AllowDecimal = true, Name = "number" }; var jboolean = new BooleanTerminal { Name = "bool", TrueValues = new string[] { "true" }, FalseValues = new string[] { "false" }, CaseSensitive = false }; var jname = new StringParser { AllowEscapeCharacters = true, Name = "name" }; var jnull = new LiteralTerminal { Value = "null", Name = "null", CaseSensitive = false }; var ws = new RepeatCharTerminal(char.IsWhiteSpace); var commaDelimiter = new RepeatCharTerminal(new RepeatCharItem(char.IsWhiteSpace), ',', new RepeatCharItem(char.IsWhiteSpace)); // nonterminals (things we're interested in getting back) var jobject = new SequenceParser { Name = "object" }; var jarray = new SequenceParser { Name = "array" }; var jprop = new SequenceParser { Name = "property" }; // rules var jvalue = jstring | jnumber | jobject | jarray | jboolean | jnull; jobject.Add("{", (-jprop).SeparatedBy(commaDelimiter), "}"); jprop.Add(jname, ":", jvalue); jarray.Add("[", (-jvalue).SeparatedBy(commaDelimiter), "]"); // separate sequence and repeating parsers by whitespace jvalue.SeparateChildrenBy(ws, false); // allow whitespace before and after the initial object or array this.Inner = ws & (jobject | jarray) & ws; }
protected LiteralTerminal(LiteralTerminal other, ParserCloneArgs chain) : base(other, chain) { CaseSensitive = other.CaseSensitive; Value = other.Value; }