pathname.rb in ver-2010.08

- old
+ new

@@ -1,11 +1,46 @@
 require 'pathname'
 
 # annoying fixes
 class Pathname
+  GUESS_ENCODING_ORDER = [
+    Encoding::US_ASCII,
+    Encoding::UTF_8,
+    Encoding::Shift_JIS,
+    Encoding::EUC_JP,
+    Encoding::EucJP_ms,
+    Encoding::Big5,
+    Encoding::UTF_16BE,
+    Encoding::UTF_16LE,
+    Encoding::UTF_32BE,
+    Encoding::UTF_32LE,
+    Encoding::CP949,
+    Encoding::Emacs_Mule,
+    Encoding::EUC_KR,
+    Encoding::EUC_TW,
+    Encoding::GB18030,
+    Encoding::GBK,
+    Encoding::Stateless_ISO_2022_JP,
+    Encoding::CP51932,
+    Encoding::EUC_CN,
+    Encoding::GB12345,
+    Encoding::Windows_31J,
+    Encoding::MacJapanese,
+    Encoding::UTF8_MAC,
+    Encoding::BINARY,
+  ]
+
   alias / join
+  alias rm unlink
 
+  def rm_f
+    rm
+  rescue Errno::ENOENT
+  rescue => ex
+    VER.error(ex)
+  end
+
   def cp(dest)
     FileUtils.copy_file(expand_path.to_s, dest.to_s, preserve = true)
   end
 
   def =~(regexp)
@@ -20,7 +55,45 @@
     end
   end
 
   def shellescape
     to_s.shellescape
+  end
+
+  def self.tmpdir
+    new(Dir.tmpdir)
+  end
+
+  def readonly?
+    if file?
+      if writable?
+        false
+      else
+        true
+      end
+    else
+      false
+    end
+  end
+
+  def read_encoded_file
+    content = read
+    content.force_encoding('BINARY')
+
+    require 'ver/vendor/open3'
+    encoding, status = Open3.capture2('rchardet', to_s)
+    content.force_encoding(encoding.strip)
+
+    return content, content.encoding
+  rescue ArgumentError, Errno::ENOENT # file or rchardet missing?
+    if content
+      GUESS_ENCODING_ORDER.find{|enc|
+        content.force_encoding(enc)
+        content.valid_encoding?
+      }
+
+      return content, content.encoding
+    else
+      return '', Encoding::UTF_8
+    end
   end
 end