Class: CPIOEntry

Inherits:
Object
  • Object
show all
Defined in:
lib/excavate/extractors/cpio/cpio.rb

Constant Summary collapse

DIRECTORY_FLAG = 
0040000

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/excavate/extractors/cpio/cpio.rb', line 170

def file
  @file
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/excavate/extractors/cpio/cpio.rb', line 169

def name
  @name
end

Instance Method Details

#directory? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/excavate/extractors/cpio/cpio.rb', line 196

def directory?
  mode & DIRECTORY_FLAG > 0
end

#read(*args) ⇒ Object

def validate



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# File 'lib/excavate/extractors/cpio/cpio.rb', line 191

def read(*args)
  return nil if directory?
  file.read(*args)
end

#validate ⇒ Object 



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# File 'lib/excavate/extractors/cpio/cpio.rb', line 174

def validate
  raise "Invalid magic #{magic.inspect}" if magic != 0x070701
  raise "Invalid ino #{ino.inspect}" if ino < 0
  raise "Invalid mode #{mode.inspect}" if mode < 0
  raise "Invalid uid #{uid.inspect}" if uid < 0
  raise "Invalid gid #{gid.inspect}" if gid < 0
  raise "Invalid nlink #{nlink.inspect}" if nlink < 0
  raise "Invalid mtime #{mtime.inspect}" if mtime < 0
  raise "Invalid filesize #{filesize.inspect}" if filesize < 0
  raise "Invalid devmajor #{devmajor.inspect}" if devmajor < 0
  raise "Invalid devminor #{devminor.inspect}" if devminor < 0
  raise "Invalid rdevmajor #{rdevmajor.inspect}" if rdevmajor < 0
  raise "Invalid rdevminor #{rdevminor.inspect}" if rdevminor < 0
  raise "Invalid namesize #{namesize.inspect}" if namesize < 0
  raise "Invalid check #{check.inspect}" if check < 0
end