Esempio n. 1
0
        /// <summary>
        /// Prepare, parse, and evaluate mixed data through E-MSBuild supported syntax.
        /// </summary>
        /// <param name="data">Mixed input data.</param>
        /// <returns>Evaluated end value.</returns>
        public string Eval(string data)
        {
            if (string.IsNullOrEmpty(data))
            {
                return(string.Empty); // convert to not null value
            }

            if (string.IsNullOrWhiteSpace(data))
            {
                return(data); // save all white-space characters
            }

            var sh = new StringHandler();

            lock (sync)
            {
                return(HQuotes
                       (
                           sh.Recovery
                           (
                               ContainerIn
                               (
                                   sh.ProtectEscContainer
                                   (
                                       sh.ProtectMixedQuotes(data)
                                   ),
                                   sh,
                                   CONTAINERS_LIMIT
                               )
                           )
                       ));
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Handler of the general containers.
        /// Moving upward from deepest container.
        ///
        /// $(name) or $(name:scope) or $([MSBuild]::MakeRelative($(path1), ...):scope) ..
        /// https://msdn.microsoft.com/en-us/library/vstudio/dd633440%28v=vs.120%29.aspx
        /// </summary>
        /// <param name="data"></param>
        /// <param name="sh"></param>
        /// <param name="limit">Limitation to containers. Aborts if reached.</param>
        /// <exception cref="LimitException"></exception>
        /// <returns></returns>
        private protected string ContainerIn(string data, StringHandler sh, uint limit)
        {
            Regex con    = Pattern.ContainerInCompiled;
            int   maxRep = 1; // rule of depth, e.g.: $(p1 = $(Platform))$(p2 = $(p1))$(p2)

            //TODO: it's slowest but fully compatible with classic rules with minimal programming.. so, improve performance

            references.Clear();
            uint step = 0;

            do
            {
                if (step++ > limit)
                {
                    sh.Flush();
                    throw new LimitException($"Restriction of supported containers '{limit}' reached. Aborted.", limit);
                }

                data = con.Replace
                       (
                    data,
                    (Match m) =>
                {
                    string raw = m.Groups[1].Value;
                    LSender.Send(this, $"containerIn: raw - `{raw}`", MsgLevel.Trace);

                    return(Evaluate(Prepare(sh.Recovery(raw))));
                },
                    maxRep
                       );

                // protect before new checking
                data = sh.ProtectEscContainer(sh.ProtectMixedQuotes(data));
            } while(con.IsMatch(data));

            return(data);
        }