Refactoring

lib/zip/zip_central_directory.rb

@@ -26,23 +26,27 @@ module Zip
     end
 
     def write_e_o_c_d(io, offset)  #:nodoc:
-      io <<
-      [END_OF_CENTRAL_DIRECTORY_SIGNATURE,
+      tmp = [
+        END_OF_CENTRAL_DIRECTORY_SIGNATURE,
         0                                  , # @numberOfThisDisk
         0                                  , # @numberOfDiskWithStartOfCDir
-        @entrySet? @entrySet.size : 0        ,
-        @entrySet? @entrySet.size : 0        ,
-        cdir_size                           ,
+        @entrySet? @entrySet.size : 0      ,
+        @entrySet? @entrySet.size : 0      ,
+        cdir_size                          ,
         offset                             ,
-        @comment ? @comment.length : 0     ].pack('VvvvvVVv')
-        io << @comment
+        @comment ? @comment.length : 0
+      ]
+      io << tmp.pack('VvvvvVVv')
+      io << @comment
     end
     
     private :write_e_o_c_d
 
     def cdir_size  #:nodoc:
       # does not include eocd
-      @entrySet.inject(0) { |value, entry| entry.cdir_header_size + value }
+      @entrySet.inject(0) do |value, entry|
+        entry.cdir_header_size + value
+      end
     end
     
     private :cdir_size
@@ -68,7 +72,8 @@ module Zip
       end
       @entrySet = ZipEntrySet.new
       @size.times do
-        @entrySet << ZipEntry.read_c_dir_entry(io)
+        tmp = ZipEntry.read_c_dir_entry(io)
+        @entrySet << tmp
       end
     end
 
@@ -100,7 +105,7 @@ module Zip
 
       sigIndex = buf.rindex([END_OF_CENTRAL_DIRECTORY_SIGNATURE].pack('V'))
       raise ZipError, "Zip end of central directory signature not found" unless sigIndex
-      buf = buf.slice!((sigIndex+4)...(buf.size))
+      buf = buf.slice!((sigIndex + 4)...(buf.bytesize))
 
       def buf.read(count)
         slice!(0, count)

lib/zip/zip_extra_field.rb

@@ -60,7 +60,7 @@ module Zip
       attr_accessor :atime, :ctime, :mtime, :flag
 
       def merge(binstr)
-        binstr == "" and return
+        return if binstr.empty?
         size, content = initial_parse(binstr)
         size or return
         @flag, mtime, atime, ctime = content.unpack("CVVV")
@@ -103,10 +103,10 @@ module Zip
       attr_accessor :uid, :gid
 
       def merge(binstr)
-        binstr == "" and return
+        return if binstr.empty?
         size, content = initial_parse(binstr)
-        # size: 0 for central direcotry. 4 for local header
-        return if(! size || size == 0)
+        # size: 0 for central directory. 4 for local header
+        return if(!size || size == 0)
         uid, gid = content.unpack("vv")
         @uid ||= uid
         @gid ||= gid
@@ -132,17 +132,17 @@ module Zip
     end
 
     def merge(binstr)
-      binstr == "" and return
+      return if binstr.empty?
       i = 0 
       while i < binstr.bytesize
         id = binstr[i,2]
-        len = binstr[i+2,2].to_s.unpack("v")[0] 
+        len = binstr[i + 2,2].to_s.unpack("v")[0]
         if id && ID_MAP.member?(id)
           field_name = ID_MAP[id].name
           if self.member?(field_name)
-            self[field_name].mergea(binstr[i, len+4])
+            self[field_name].mergea(binstr[i, len + 4])
           else
-            field_obj = ID_MAP[id].new(binstr[i, len+4])
+            field_obj = ID_MAP[id].new(binstr[i, len + 4])
             self[field_name] = field_obj
           end
         elsif id
@@ -158,7 +158,7 @@ module Zip
             self["Unknown"] << binstr[i..-1]
             break
           end
-          self["Unknown"] << binstr[i, len+4]
+          self["Unknown"] << binstr[i, len + 4]
         end
         i += len + 4
       end
@@ -180,9 +180,9 @@ module Zip
 
     def to_local_bin
       s = ""
-      each { |k, v|
+      each do |k, v|
         s << v.to_local_bin
-      }
+      end
       s
     end
     alias :to_s :to_local_bin

lib/zip/zip_file.rb

@@ -61,16 +61,18 @@ module Zip
       super()
       @name = fileName
       @comment = ""
-      if (::File.exists?(fileName)) && !buffer
-        ::File.open(name, "rb") { |f| read_from_stream(f) }
-      elsif (create)
-        @entrySet = ZipEntrySet.new
-      else
-        raise ZipError, "File #{fileName} not found"
+      case
+        when ::File.exists?(fileName) && !buffer
+          ::File.open(name, "rb") do |f|
+            read_from_stream(f)
+          end
+        when create
+          @entrySet = ZipEntrySet.new
+        else
+          raise ZipError, "File #{fileName} not found"
       end
       @create = create
       @storedEntries = @entrySet.dup
-
       @restore_ownership = false
       @restore_permissions = false
       @restore_times = true

lib/zip/zip_output_stream.rb

@@ -74,7 +74,7 @@ module Zip
       update_local_headers
       write_central_directory
       @closed = true
-      return @outputStream
+      @outputStream
     end
 
 	  # Closes the current entry and opens a new for writing.
@@ -110,11 +110,11 @@ module Zip
     end
 
     private
+
     def finalize_current_entry
       return unless @currentEntry
       finish
-      @currentEntry.compressed_size = @outputStream.tell - @currentEntry.localHeaderOffset -
-	    @currentEntry.calculate_local_header_size
+      @currentEntry.compressed_size = @outputStream.tell - @currentEntry.localHeaderOffset - @currentEntry.calculate_local_header_size
       @currentEntry.size = @compressor.size
       @currentEntry.crc = @compressor.crc
       @currentEntry = nil
@@ -138,12 +138,11 @@ module Zip
     end
 
     def update_local_headers
-      pos = @outputStream.tell
-      @entrySet.each {
-        |entry|
+      pos = @outputStream.pos
+      @entrySet.each do |entry|
         @outputStream.pos = entry.localHeaderOffset
         entry.write_local_entry(@outputStream)
-      }
+      end
       @outputStream.pos = pos
     end