added name filter

Author: alex-kabin

OpenWith/Filters/impl/NameFilter.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace OpenWith.Filters.impl
+{
+    public class NameFilter : IFilter
+    {
+        public static NameFilter Build(object config) {
+            if (config is IEnumerable<object> list) {
+                return new NameFilter(list.Where(s => s != null).Select(s => s.ToString()));
+            }
+            if (config != null) {
+                return new NameFilter(config.ToString());
+            }
+            return null;
+        }
+
+        private readonly ISet<string> _set;
+        private readonly Regex _regex;
+
+        public NameFilter(string expr) {
+            if (expr == null) {
+                throw new ArgumentNullException(nameof(expr));
+            }
+            _set = null;
+            _regex = new Regex($"^({expr})$", RegexOptions.IgnoreCase | RegexOptions.Singleline);
+        }
+
+        public NameFilter(IEnumerable<string> list) {
+            _regex = null;
+            _set = new HashSet<string>(list.Select(s => s.ToLowerInvariant()));
+        }
+
+        public bool Accepts(string path) {
+            if (path == null) {
+                throw new ArgumentNullException(nameof(path));
+            }
+            if (string.IsNullOrEmpty(path)) {
+                return false;
+            }
+
+            var ext = Path.GetFileNameWithoutExtension(path);
+            if (_set != null) {
+                return _set.Contains(ext.ToLowerInvariant());
+            }
+            if (_regex != null) {
+                return _regex.IsMatch(ext);
+            }
+            return false;
+        }
+    }
+}

OpenWith/OpenWith.csproj

@@ -115,6 +115,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Behaviors\ApplyThemeStyleBehavior.cs" />
+    <Compile Include="Filters\impl\NameFilter.cs" />
     <Compile Include="Filters\impl\MagicBytesFilter.cs" />
     <Compile Include="Filters\impl\SizeFilter.cs" />
     <Compile Include="Model\Mapping.cs" />

OpenWith/OpenWith.yaml

@@ -14,7 +14,7 @@ mappings:
       ext: 'bik'
     command: '%PortableApps%\player\RADTools\binkplay.exe'
     args: '%1 /W-0.4 /H-0.4'
- 
+
   - name: Word
     filters:
       ext: 'docx?'
@@ -29,3 +29,8 @@ mappings:
     filters:
       ext: ['mkv', 'mp4', 'avi']
     command: '%PortableApps%\video\mkvtoolnix\mkvtoolnix-gui1.exe'
+
+  - name: DICOM
+    filters:
+      name: ['DICOMDIR']
+    command: '%PortableApps%\gfx\MicroDICOM\mDicom.exe'

OpenWith/Program.cs

@@ -39,14 +39,15 @@ public static void Main() {
                 configProvider,
                 dialogService,
                 new FilterFactory()
+                        .WithFilter("name", NameFilter.Build)
                         .WithFilter("ext", ExtensionFilter.Build)
                         .WithFilter("size", SizeFilter.Build)
                         .WithFilter("magic", MagicBytesFilter.Build),
                 new DefaultProcessStarter(),
                 new FileIconProvider()
             );
 
-            Stopwatch stopwatch = Stopwatch.StartNew();
+            //Stopwatch stopwatch = Stopwatch.StartNew();
 
             var args = Environment.GetCommandLineArgs();
             app.Run(args);