Class: RBzip2::OutputData

Inherits:
Object
  • Object
show all
Includes:
Constants
Defined in:
lib/rbzip2/output_data.rb

Overview

This code is free software; you can redistribute it and/or modify it under the terms of the new BSD License.

Copyright © 2011, Sebastian Staudt

Constant Summary

Constants included from Constants

Constants::BASEBLOCKSIZE, Constants::CLEARMASK, Constants::DEPTH_THRESH, Constants::EOF, Constants::GREATER_ICOST, Constants::G_SIZE, Constants::INCS, Constants::LESSER_ICOST, Constants::MAX_ALPHA_SIZE, Constants::MAX_BLOCK_SIZE, Constants::MAX_CODE_LEN, Constants::MAX_SELECTORS, Constants::MIN_BLOCK_SIZE, Constants::NO_RAND_PART_A_STATE, Constants::NO_RAND_PART_B_STATE, Constants::NO_RAND_PART_C_STATE, Constants::NUM_OVERSHOOT_BYTES, Constants::N_GROUPS, Constants::N_ITERS, Constants::QSORT_STACK_SIZE, Constants::RAND_PART_A_STATE, Constants::RAND_PART_B_STATE, Constants::RAND_PART_C_STATE, Constants::RNUMS, Constants::RUNA, Constants::RUNB, Constants::SETMASK, Constants::SMALL_THRESH, Constants::START_BLOCK_STATE, Constants::WORK_FACTOR

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(block_size) ⇒ OutputData

Returns a new instance of OutputData.



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# File 'lib/rbzip2/output_data.rb', line 19

def initialize(block_size)
  n = block_size * BASEBLOCKSIZE
  @block        = Array.new n + 1 + NUM_OVERSHOOT_BYTES, 0
  @fmap         = Array.new n, 0
  @selector     = Array.new MAX_SELECTORS
  @selector_mtf = Array.new MAX_SELECTORS
  @sfmap        = Array.new 2 * n
  @quadrant     = @sfmap

  @in_use       = Array.new 256
  @mtf_freq     = Array.new MAX_ALPHA_SIZE, 0
  @unseq_to_seq = Array.new 256

  @generate_mtf_values_yy = Array.new 256
  @send_mtf_values_code   = Array.new N_GROUPS
  N_GROUPS.times { |i| @send_mtf_values_code[i] = Array.new MAX_ALPHA_SIZE }
  @send_mtf_values_cost   = Array.new N_GROUPS
  @send_mtf_values_fave   = Array.new N_GROUPS
  @send_mtf_values_len    = Array.new N_GROUPS
  N_GROUPS.times { |i| @send_mtf_values_len[i] = Array.new MAX_ALPHA_SIZE }
  @send_mtf_values_rfreq  = Array.new N_GROUPS
  N_GROUPS.times { |i| @send_mtf_values_rfreq[i] = Array.new MAX_ALPHA_SIZE, 0 }
  @send_mtf_values2_pos   = Array.new N_GROUPS
  @send_mtf_values4_in_use_16 = Array.new 16

  @stack_dd = Array.new QSORT_STACK_SIZE
  @stack_hh = Array.new QSORT_STACK_SIZE
  @stack_ll = Array.new QSORT_STACK_SIZE

  @main_sort_big_done      = Array.new 256
  @main_sort_copy          = Array.new 256
  @main_sort_running_order = Array.new 256

  @heap   = Array.new MAX_ALPHA_SIZE + 2
  @parent = Array.new MAX_ALPHA_SIZE + 2
  @weight = Array.new MAX_ALPHA_SIZE + 2

  @ftab = Array.new 65537
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/rbzip2/output_data.rb', line 10

def block
  @block
end

#fmap ⇒ Object (readonly)

Returns the value of attribute fmap.



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# File 'lib/rbzip2/output_data.rb', line 10

def fmap
  @fmap
end

#ftab ⇒ Object (readonly)

Returns the value of attribute ftab.



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# File 'lib/rbzip2/output_data.rb', line 10

def ftab
  @ftab
end

#generate_mtf_values_yy ⇒ Object (readonly)

Returns the value of attribute generate_mtf_values_yy.



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# File 'lib/rbzip2/output_data.rb', line 10

def generate_mtf_values_yy
  @generate_mtf_values_yy
end

#heap ⇒ Object (readonly)

Returns the value of attribute heap.



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# File 'lib/rbzip2/output_data.rb', line 10

def heap
  @heap
end

#in_use ⇒ Object (readonly)

Returns the value of attribute in_use.



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# File 'lib/rbzip2/output_data.rb', line 10

def in_use
  @in_use
end

#main_sort_big_done ⇒ Object (readonly)

Returns the value of attribute main_sort_big_done.



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# File 'lib/rbzip2/output_data.rb', line 10

def main_sort_big_done
  @main_sort_big_done
end

#main_sort_copy ⇒ Object (readonly)

Returns the value of attribute main_sort_copy.



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# File 'lib/rbzip2/output_data.rb', line 10

def main_sort_copy
  @main_sort_copy
end

#main_sort_running_order ⇒ Object (readonly)

Returns the value of attribute main_sort_running_order.



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# File 'lib/rbzip2/output_data.rb', line 10

def main_sort_running_order
  @main_sort_running_order
end

#mtf_freq ⇒ Object (readonly)

Returns the value of attribute mtf_freq.



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# File 'lib/rbzip2/output_data.rb', line 10

def mtf_freq
  @mtf_freq
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/rbzip2/output_data.rb', line 10

def parent
  @parent
end

#quadrant ⇒ Object (readonly)

Returns the value of attribute quadrant.



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# File 'lib/rbzip2/output_data.rb', line 10

def quadrant
  @quadrant
end

#selector ⇒ Object (readonly)

Returns the value of attribute selector.



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# File 'lib/rbzip2/output_data.rb', line 10

def selector
  @selector
end

#selector_mtf ⇒ Object (readonly)

Returns the value of attribute selector_mtf.



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# File 'lib/rbzip2/output_data.rb', line 10

def selector_mtf
  @selector_mtf
end

#send_mtf_values2_pos ⇒ Object (readonly)

Returns the value of attribute send_mtf_values2_pos.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values2_pos
  @send_mtf_values2_pos
end

#send_mtf_values4_in_use_16 ⇒ Object (readonly)

Returns the value of attribute send_mtf_values4_in_use_16.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values4_in_use_16
  @send_mtf_values4_in_use_16
end

#send_mtf_values_code ⇒ Object (readonly)

Returns the value of attribute send_mtf_values_code.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values_code
  @send_mtf_values_code
end

#send_mtf_values_cost ⇒ Object (readonly)

Returns the value of attribute send_mtf_values_cost.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values_cost
  @send_mtf_values_cost
end

#send_mtf_values_fave ⇒ Object (readonly)

Returns the value of attribute send_mtf_values_fave.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values_fave
  @send_mtf_values_fave
end

#send_mtf_values_len ⇒ Object (readonly)

Returns the value of attribute send_mtf_values_len.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values_len
  @send_mtf_values_len
end

#send_mtf_values_rfreq ⇒ Object (readonly)

Returns the value of attribute send_mtf_values_rfreq.



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# File 'lib/rbzip2/output_data.rb', line 10

def send_mtf_values_rfreq
  @send_mtf_values_rfreq
end

#sfmap ⇒ Object (readonly)

Returns the value of attribute sfmap.



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# File 'lib/rbzip2/output_data.rb', line 10

def sfmap
  @sfmap
end

#stack_dd ⇒ Object (readonly)

Returns the value of attribute stack_dd.



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# File 'lib/rbzip2/output_data.rb', line 10

def stack_dd
  @stack_dd
end

#stack_hh ⇒ Object (readonly)

Returns the value of attribute stack_hh.



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# File 'lib/rbzip2/output_data.rb', line 10

def stack_hh
  @stack_hh
end

#stack_ll ⇒ Object (readonly)

Returns the value of attribute stack_ll.



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# File 'lib/rbzip2/output_data.rb', line 10

def stack_ll
  @stack_ll
end

#unseq_to_seq ⇒ Object (readonly)

Returns the value of attribute unseq_to_seq.



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# File 'lib/rbzip2/output_data.rb', line 10

def unseq_to_seq
  @unseq_to_seq
end

#weight ⇒ Object (readonly)

Returns the value of attribute weight.



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# File 'lib/rbzip2/output_data.rb', line 10

def weight
  @weight
end