Substitutions/SubstitutionService.cs

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/*
 * Author: Kishore Reddy
 * Url: http://commonlibrarynet.codeplex.com/
 * Title: CommonLibrary.NET
 * Copyright: � 2009 Kishore Reddy
 * License: LGPL License
 * LicenseUrl: http://commonlibrarynet.codeplex.com/license
 * Description: A C# based .NET 3.5 Open-Source collection of reusable components.
 * Usage: Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;


namespace ComLib.Subs
{
    //public delegate T Func<T>();
    //public delegate TResult Func<T, TResult>(T input);


    /// <summary>
    /// Class to replace symbol names with actual values.
    /// Such as ${today}
    /// </summary>
    public class SubstitutionService : ISubstitutionService
    {
        internal Dictionary<string, IDictionary<string, Func<string, string>>> _groups;


        /// <summary>
        /// Initialize.
        /// </summary>
        public SubstitutionService()
        {
            _groups = new Dictionary<string, IDictionary<string, Func<string, string>>>();
            Init();
        }
         

        /// <summary>
        /// Performs substitutions on all the string items in the list supplied.
        /// converts: List[0] = ${today} = 03/28/2009.
        /// </summary>
        /// <param name="names">List of strings for substitution.</param>
        public void Substitute(List<string> names)
        {
            for (int ndx = 0; ndx < names.Count; ndx++)
            {
                string name = names[ndx];
                string val = this[name];
                names[ndx] = val;
            }
        }