Move Matching to own library

BurnOutSharp.Matching/PathMatchSet.cs

@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace BurnOutSharp.Matching
+{
+    /// <summary>
+    /// A set of path matches that work together
+    /// </summary>
+    public class PathMatchSet : MatchSet<PathMatch, string>
+    {
+        /// <summary>
+        /// Function to get a path version for this Matcher
+        /// </summary>
+        /// <remarks>
+        /// A path version method takes the matched path and an enumerable of files
+        /// and returns a single string. That string is either a version string,
+        /// in which case it will be appended to the protection name, or `null`,
+        /// in which case it will cause the protection to be omitted.
+        /// </remarks>
+        public Func<string, IEnumerable<string>, string> GetVersion { get; set; }
+
+        #region Constructors
+
+        public PathMatchSet(string needle, string protectionName)
+            : this(new List<string> { needle }, null, protectionName) { }
+
+        public PathMatchSet(List<string> needles, string protectionName)
+            : this(needles, null, protectionName) { }
+
+        public PathMatchSet(string needle, Func<string, IEnumerable<string>, string> getVersion, string protectionName)
+            : this(new List<string> { needle }, getVersion, protectionName) { }
+
+        public PathMatchSet(List<string> needles, Func<string, IEnumerable<string>, string> getVersion, string protectionName)
+            : this(needles.Select(n => new PathMatch(n)).ToList(), getVersion, protectionName) { }
+
+        public PathMatchSet(PathMatch needle, string protectionName)
+            : this(new List<PathMatch>() { needle }, null, protectionName) { }
+
+        public PathMatchSet(List<PathMatch> needles, string protectionName)
+            : this(needles, null, protectionName) { }
+
+        public PathMatchSet(PathMatch needle, Func<string, IEnumerable<string>, string> getVersion, string protectionName)
+            : this(new List<PathMatch>() { needle }, getVersion, protectionName) { }
+
+        public PathMatchSet(List<PathMatch> needles, Func<string, IEnumerable<string>, string> getVersion, string protectionName)
+        {
+            Matchers = needles;
+            GetVersion = getVersion;
+            ProtectionName = protectionName;
+        }
+
+        #endregion
+
+        #region Matching
+
+        /// <summary>
+        /// Determine whether all path matches pass
+        /// </summary>
+        /// <param name="stack">List of strings to try to match</param>
+        /// <returns>Tuple of passing status and matching values</returns>        
+        public (bool, List<string>) MatchesAll(IEnumerable<string> stack)
+        {
+            // If no path matches are defined, we fail out
+            if (Matchers == null || !Matchers.Any())
+                return (false, new List<string>());
+
+            // Initialize the value list
+            List<string> values = new List<string>();
+
+            // Loop through all path matches and make sure all pass
+            foreach (var pathMatch in Matchers)
+            {
+                (bool match, string value) = pathMatch.Match(stack);
+                if (!match)
+                    return (false, new List<string>());
+                else
+                    values.Add(value);
+            }
+
+            return (true, values);
+        }
+
+        /// <summary>
+        /// Determine whether any path matches pass
+        /// </summary>
+        /// <param name="stack">List of strings to try to match</param>
+        /// <returns>Tuple of passing status and first matching value</returns>        
+        public (bool, string) MatchesAny(IEnumerable<string> stack)
+        {
+            // If no path matches are defined, we fail out
+            if (Matchers == null || !Matchers.Any())
+                return (false, null);
+
+            // Loop through all path matches and make sure all pass
+            foreach (var pathMatch in Matchers)
+            {
+                (bool match, string value) = pathMatch.Match(stack);
+                if (match)
+                    return (true, value);
+            }
+
+            return (false, null);
+        }
+
+        #endregion
+    }
+}