C# (CSharp) DynamicError.empty_seq Examples

Example #1

        /// <summary>
        /// One-or-More operation.
        /// </summary>
        /// <param name="args">
        ///            Result from the expressions evaluation. </param>
        /// <exception cref="DynamicError">
        ///             Dynamic error. </exception>
        /// <returns> Result of fn:one-or-more operation. </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static org.eclipse.wst.xml.xpath2.api.ResultSequence one_or_more(java.util.Collection args) throws org.eclipse.wst.xml.xpath2.processor.DynamicError
        public static ResultSequence one_or_more(ICollection args)
        {
            Debug.Assert(args.Count == 1);

            // get args
            IEnumerator citer = args.GetEnumerator();

            citer.MoveNext();
            ResultSequence arg = (ResultSequence)citer.Current;

            if (arg.empty())
            {
                throw DynamicError.empty_seq(null);
            }

            return(arg);
        }