Class: BentleyMcIlroy::Codec

Inherits:
Object
  • Object
show all
Defined in:
lib/bentley_mcilroy.rb

Class Method Summary collapse

Class Method Details

.compress(text, block_size) ⇒ Object 



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# File 'lib/bentley_mcilroy.rb', line 156

def self.compress(text, block_size)
  __compress_encode__(text, nil, block_size)
end

.decode(source, delta) ⇒ Object 



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# File 'lib/bentley_mcilroy.rb', line 145

def self.decode(source, delta)
  delta.inject("") do |result, i|
    if i.is_a?(Array)
      index, length = i
      result << source[index, length]
    else
      result << i
    end
  end
end

.decompress(sequence) ⇒ Object 



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# File 'lib/bentley_mcilroy.rb', line 131

def self.decompress(sequence)
  sequence.inject("") do |result, i|
    if i.is_a?(Array)
      index, length = i
      length.times do |k|
        result << result[index+k, 1]
      end
      result
    else
      result << i
    end
  end
end

.encode(source, target, block_size) ⇒ Object 



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# File 'lib/bentley_mcilroy.rb', line 160

def self.encode(source, target, block_size)
  __compress_encode__(source, target, block_size)
end