Class: Ar
- Inherits:
-
Object
- Object
- Ar
- Defined in:
- lib/ar.rb
Constant Summary collapse
- VERSION =
"0.1"
- ArMagic =
"!<arch>\n"
- ArMagicPad =
"\n"
Instance Attribute Summary collapse
-
#files ⇒ Object
readonly
Returns the value of attribute files.
-
#sourcefile ⇒ Object
readonly
Returns the value of attribute sourcefile.
Instance Method Summary collapse
- #dump(filename, path = "./") ⇒ Object
- #get_payload(filename) ⇒ Object
-
#initialize(filename, options = {}) ⇒ Ar
constructor
A new instance of Ar.
- #load ⇒ Object
Constructor Details
#initialize(filename, options = {}) ⇒ Ar
Returns a new instance of Ar.
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# File 'lib/ar.rb', line 9 def initialize(filename, = {}) @sourcefile = filename @files = Hash.new end |
Instance Attribute Details
#files ⇒ Object (readonly)
Returns the value of attribute files.
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# File 'lib/ar.rb', line 7 def files @files end |
#sourcefile ⇒ Object (readonly)
Returns the value of attribute sourcefile.
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# File 'lib/ar.rb', line 7 def sourcefile @sourcefile end |
Instance Method Details
#dump(filename, path = "./") ⇒ Object
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# File 'lib/ar.rb', line 49 def dump(filename, path = "./") dump_path = File.join(path, filename) File.open(dump_path, "w+") do |f| f.write(@files[filename]["payload"]) end end |
#get_payload(filename) ⇒ Object
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# File 'lib/ar.rb', line 60 def get_payload(filename) raise "File not in archive" unless self.files.include?(filename) @files[filename]["payload"] end |
#load ⇒ Object
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# File 'lib/ar.rb', line 14 def load() fp = open(@sourcefile, "r+") magic = fp.read(ArMagic.length) if magic != ArMagic raise "Magic not found !" end begin filename = "" while filename != nil filename = fp.read(16) if filename.nil? return end filename.gsub!(/\/\s+$/,"") filename.strip! @files[filename] = Hash.new @files[filename]["date"] = fp.read(12).to_i @files[filename]["uid"] = fp.read(6).to_i @files[filename]["gid"] = fp.read(6).to_i @files[filename]["filemode"] = fp.read(8).to_i @files[filename]["filesize"] = fp.read(10).to_i if @files[filename]["filesize"] != 0 fp.read(2) @files[filename]["payload"] = fp.read(@files[filename]["filesize"]) else @files.delete(filename) end end rescue Exception => e puts e. return end end |