private static bool DoSortingField(ref StateContext context) { switch (context.Character) { case '~': case '!': if (context.HasBuffer()) { context.OnError("SyntaxError: Expected sorting field in the data schema, but missing."); return(false); } context.Accept(); return(true); case ',': if (context.AddSorting()) { context.State = State.SortingGutter; return(true); } return(false); case ')': if (context.AddSorting()) { context.State = State.Include; return(true); } return(false); default: if (context.IsLetterOrDigitOrUnderscore()) { context.Accept(); return(true); } context.OnError($"SyntaxError: The sorting field of the data schema contains '{context.Character}' illegal character."); return(false); } }
private static bool DoSortingField(ref StateContext context) { switch (context.Character) { case '~': case '!': if (context.HasBuffer()) { context.OnError(""); return(false); } context.Accept(); return(true); case ',': if (context.AddSorting()) { context.State = State.SortingGutter; return(true); } return(false); case ')': if (context.AddSorting()) { context.State = State.Include; return(true); } return(false); default: if (context.IsLetterOrDigitOrUnderscore()) { context.Accept(); return(true); } context.OnError(""); return(false); } }