Class: Cabriolet::Models::Cabinet

Inherits:
Object
  • Object
show all
Defined in:
lib/cabriolet/models/cabinet.rb

Overview

Cabinet represents a CAB file or cabinet set

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename = nil) ⇒ Cabinet

Initialize a new cabinet

Parameters:

  • filename (String) (defaults to: nil) —

    Path to the cabinet file



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# File 'lib/cabriolet/models/cabinet.rb', line 14

def initialize(filename = nil)
  @filename = filename
  @base_offset = 0
  @length = 0
  @set_id = 0
  @set_index = 0
  @flags = 0
  @header_resv = 0
  @prevname = nil
  @nextname = nil
  @previnfo = nil
  @nextinfo = nil
  @folders = []
  @files = []
  @next_cabinet = nil
  @prev_cabinet = nil
  @next = nil
  @blocks_offset = 0
  @block_resv = 0
end

Instance Attribute Details

#base_offset ⇒ Object

Returns the value of attribute base_offset.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def base_offset
  @base_offset
end

#block_resv ⇒ Object (readonly)

Returns the value of attribute block_resv.



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# File 'lib/cabriolet/models/cabinet.rb', line 9

def block_resv
  @block_resv
end

#blocks_offset ⇒ Object (readonly)

Returns the value of attribute blocks_offset.



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# File 'lib/cabriolet/models/cabinet.rb', line 9

def blocks_offset
  @blocks_offset
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def filename
  @filename
end

#files ⇒ Object

Returns the value of attribute files.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def files
  @files
end

#flags ⇒ Object

Returns the value of attribute flags.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def flags
  @flags
end

#folders ⇒ Object

Returns the value of attribute folders.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def folders
  @folders
end

#header_resv ⇒ Object

Returns the value of attribute header_resv.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def header_resv
  @header_resv
end

#length ⇒ Object

Returns the value of attribute length.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def length
  @length
end

#next ⇒ Object

Returns the value of attribute next.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def next
  @next
end

#next_cabinet ⇒ Object

Returns the value of attribute next_cabinet.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def next_cabinet
  @next_cabinet
end

#nextinfo ⇒ Object

Returns the value of attribute nextinfo.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def nextinfo
  @nextinfo
end

#nextname ⇒ Object

Returns the value of attribute nextname.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def nextname
  @nextname
end

#prev_cabinet ⇒ Object

Returns the value of attribute prev_cabinet.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def prev_cabinet
  @prev_cabinet
end

#previnfo ⇒ Object

Returns the value of attribute previnfo.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def previnfo
  @previnfo
end

#prevname ⇒ Object

Returns the value of attribute prevname.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def prevname
  @prevname
end

#set_id ⇒ Object

Returns the value of attribute set_id.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def set_id
  @set_id
end

#set_index ⇒ Object

Returns the value of attribute set_index.



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# File 'lib/cabriolet/models/cabinet.rb', line 7

def set_index
  @set_index
end

Instance Method Details

#file_count ⇒ Integer

Get total number of files

Returns:

  • (Integer) 


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# File 'lib/cabriolet/models/cabinet.rb', line 69

def file_count
  @files.size
end

#folder_count ⇒ Integer

Get total number of folders

Returns:

  • (Integer) 


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# File 'lib/cabriolet/models/cabinet.rb', line 76

def folder_count
  @folders.size
end

#has_next? ⇒ Boolean

Check if this cabinet has a successor

Returns:

  • (Boolean) 


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# File 'lib/cabriolet/models/cabinet.rb', line 45

def has_next?
  @flags.anybits?(Constants::FLAG_NEXT_CABINET)
end

#has_prev? ⇒ Boolean

Check if this cabinet has a predecessor

Returns:

  • (Boolean) 


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# File 'lib/cabriolet/models/cabinet.rb', line 38

def has_prev?
  @flags.anybits?(Constants::FLAG_PREV_CABINET)
end

#has_reserve? ⇒ Boolean

Check if this cabinet has reserved space

Returns:

  • (Boolean) 


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# File 'lib/cabriolet/models/cabinet.rb', line 52

def has_reserve?
  @flags.anybits?(Constants::FLAG_RESERVE_PRESENT)
end

#set_blocks_info(offset, resv) ⇒ void

This method returns an undefined value.

Set the blocks offset and reserved space

Parameters:

  • offset (Integer) —

    Offset to data blocks

  • resv (Integer) —

    Reserved bytes per block



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# File 'lib/cabriolet/models/cabinet.rb', line 61

def set_blocks_info(offset, resv)
  @blocks_offset = offset
  @block_resv = resv
end