ENH: change wordRes to be a List of wordRe instead of a wrapper (issue #259)

- this permits direct storage of a list with additional matcher
  capabilities

- provide wordRes::matcher class for similar behaviour as previously

applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C

@@ -81,12 +81,11 @@ int main(int argc, char *argv[])
     const word oldInstance = mesh.pointsInstance();
 
     // Find set of patches from the list of regular expressions provided
-    const wordReList patches((IStringStream(args[1])()));
-    const labelHashSet patchSet(mesh.boundaryMesh().patchSet(patches));
-
+    const wordRes patches(args.readList<wordRe>(1));
     const scalar weight  = args.read<scalar>(2);
     const bool overwrite = args.found("overwrite");
 
+    const labelHashSet patchSet(mesh.boundaryMesh().patchSet(patches));
     if (!patchSet.size())
     {
         FatalErrorInFunction

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C

@@ -1666,7 +1666,7 @@ int main(int argc, char *argv[])
         {
             includePatches = bMesh.patchSet
             (
-                wordReList(args.lookup("patches")())
+                args.readList<wordRe>("patches")
             );
         }
         else

applications/utilities/mesh/manipulation/subsetMesh/subsetMesh.C

@@ -414,7 +414,7 @@ int main(int argc, char *argv[])
     }
     else if (args.found("patches"))
     {
-        const wordReList patchNames(args.opt<wordReList>("patches"));
+        const wordRes patchNames(args.readList<wordRe>("patches"));
 
         exposedPatchIDs = mesh.boundaryMesh().patchSet(patchNames).sortedToc();
 

applications/utilities/mesh/manipulation/transformPoints/transformPoints.C

@@ -360,10 +360,10 @@ int main(int argc, char *argv[])
         }
     }
 
-    if (args.found("scale"))
+    List<scalar> scaling;
+    if (args.readListIfPresent("scale", scaling))
     {
-        // Use readList to handle single or multiple values
-        const List<scalar> scaling = args.readList<scalar>("scale");
+        // readList handles single or multiple values
 
         if (scaling.size() == 1)
         {