Module: Rpack::Unpacker

Included in:
Rpack
Defined in:
lib/unpacker.rb

Instance Method Summary collapse

Instance Method Details

#unpack ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/unpacker.rb', line 5

def unpack
   file  = File.expand_path(@patterns.first)
   count = 0
   puts "Unpacking #{file} to #{@basedir} ..."
   if !File.exist?(file) || !File.file?(file)
      puts "File #{file} does not exist."
      return false
   end
   Zip::ZipFile.open(file) do |zip|
      zip.each do |zfile|
         file     = File.expand_path("#{@basedir}/#{zfile.to_s}")
         dir      = File.dirname(file.to_s)
         config   = find_config_by_path(zfile.to_s)
         verb     = "Extracting"
         next if !config

         extract     = config["extract"]
         update      = config["update_filename"]
         begin_p     = config["begin_pattern"]
         end_p       = config["end_pattern"]
         begin_str   = config["begin_string"]
         end_str     = config["end_string"]
         contents    = zfile.get_input_stream.readlines

         FileUtils.mkpath(dir) if !File.directory?(dir)

         if extract
            if !File.exist?(file)
               contents = ["# you MUST check this\n","#{begin_str}\n",contents,"#{end_str}\n"]
            else
               newcontent     = []
               fcontents      = File.readlines(file)
               begin_p, end_p = pattern_positions(fcontents,begin_p,end_p)
               if begin_p && end_p
                  start_range = fcontents[0..begin_p]
                  mid_range   = fcontents[(begin_p+1)...end_p]
                  end_range   = fcontents[end_p..-1]
                  for lcontent in contents
                     newcontent << lcontent if !fcontents.any? {|e| e.chomp.strip==lcontent.chomp.strip}
                  end
                  contents = start_range+mid_range+newcontent+end_range
                  verb     = "Merging"
               end
            end
         end

         if update
            mtime = (Time.now+count).getutc.strftime("%Y%m%d%H%M%S")
            file  = file.sub(/[0-9]{14}/,mtime.to_s)
            count += 1
         end
         file  = "#{file}.rpack" if File.exist?(file) && !extract
         puts "#{verb}:\n#{zfile.to_s} to\n#{file}\n\n"
         File.open(file,"w") do |handle|
            handle << contents.join
         end
      end
   end
   return true
end