Add support for special files

Like sockets, character and block devices.

lib/colorls/core.rb

@@ -144,9 +144,6 @@ module ColorLS
       @file_aliase_keys   = @file_aliases.keys
       @folder_keys        = @folders.keys
       @folder_aliase_keys = @folder_aliases.keys
-
-      @all_files   = @file_keys + @file_aliase_keys
-      @all_folders = @folder_keys + @folder_aliase_keys
     end
 
     def chunkify
@@ -318,23 +315,33 @@ module ColorLS
       print "\n"
     end
 
+    def file_color(file, key)
+      color_key = case
+                  when file.chardev? then :chardev
+                  when file.blockdev? then :blockdev
+                  when file.socket? then :socket
+                  else
+                    @file_keys.include?(key) ? :recognized_file : :unrecognized_file
+                  end
+      @colors[color_key]
+    end
+
     def options(content)
       if content.directory?
         key = content.name.to_sym
-        color = @colors[:dir]
-        return [:folder, color, :folders] unless @all_folders.include?(key)
         key = @folder_aliases[key] unless @folder_keys.include?(key)
-        return [key, color, :folders]
+        key = :folder if key.nil?
+        color = @colors[:dir]
+        group = :folders
+      else
+        key = content.name.split('.').last.downcase.to_sym
+        key = @file_aliases[key] unless @file_keys.include?(key)
+        key = :file if key.nil?
+        color = file_color(content, key)
+        group = @file_keys.include?(key) ? :recognized_files : :unrecognized_files
       end
 
-      color = @colors[:recognized_file]
-      return [content.downcase.to_sym, color, :recognized_files] if @file_keys.include?(key)
-
-      key = content.name.split('.').last.downcase.to_sym
-      return [:file, @colors[:unrecognized_file], :unrecognized_files] unless @all_files.include?(key)
-
-      key = @file_aliases[key] unless @file_keys.include?(key)
-      [key, color, :recognized_files]
+      [key, color, group]
     end
 
     def tree_traverse(path, prespace, indent)

lib/colorls/fileinfo.rb

@@ -1,5 +1,7 @@
 module ColorLS
   class FileInfo
+    extend Forwardable
+
     @@users  = {}              # rubocop:disable Style/ClassVars
     @@groups = {}              # rubocop:disable Style/ClassVars
 
@@ -31,10 +33,6 @@ module ColorLS
       @stats.uid.to_s
     end
 
-    def owned?
-      @stats.owned?
-    end
-
     def group
       return @@groups[@stats.gid] if @@groups.key? @stats.gid
       group = Etc.getgrgid(@stats.gid)
@@ -43,22 +41,6 @@ module ColorLS
       @stats.gid.to_s
     end
 
-    def mtime
-      @stats.mtime
-    end
-
-    def size
-      @stats.size
-    end
-
-    def directory?
-      @stats.directory?
-    end
-
-    def symlink?
-      @stats.symlink?
-    end
-
     # target of a symlink (only available for symlinks)
     def link_target
       @target
@@ -67,5 +49,7 @@ module ColorLS
     def to_s
       name
     end
+
+    def_delegators :@stats, :directory?, :socket?, :chardev?, :symlink?, :blockdev?, :mtime, :size, :owned?
   end
 end

lib/yaml/dark_colors.yaml

@@ -7,6 +7,11 @@ dir:               dodgerblue
 dead_link: red
 link:      cyan
 
+# special files
+socket:    green
+blockdev:  green
+chardev:   green
+
 # Access Modes
 write:     darkkhaki
 read:      limegreen
@@ -36,4 +41,4 @@ addition:     chartreuse
 modification: darkkhaki
 deletion:     darkred
 untracked:    darkorange
-unchanged:    forestgreen
+unchanged:    forestgreen

lib/yaml/light_colors.yaml

@@ -7,6 +7,11 @@ dir:               navyblue
 dead_link: red
 link:      cyan
 
+# special files
+socket:    darkgray
+blockdev:  darkgray
+chardev:   darkgray
+
 # Access Modes
 write:     red
 read:      sienna
@@ -36,4 +41,4 @@ addition:     chartreuse
 modification: darkkhaki
 deletion:     darkred
 untracked:    darkorange
-unchanged:    darkgreen
+unchanged:    darkgreen

spec/color_ls/flags_spec.rb

@@ -56,6 +56,9 @@ RSpec.describe ColorLS::Flags do
         :owner => "user",
         :name => "a.txt",
         :size => 128,
+        :blockdev? => false,
+        :chardev? => false,
+        :socket? => false,
         :symlink? => false,
         :stats => OpenStruct.new(
           mode: 0o444, # read for user, owner, other