Class: Nonograms::Logic

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

Instance Method Summary collapse

Constructor Details

#initialize(horizontal, vertical) ⇒ Logic

Returns a new instance of Logic.



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# File 'lib/nonograms/logic.rb', line 8

def initialize(horizontal, vertical)
  @vertical = vertical
  @horizontal = horizontal
  @amount_row = horizontal.length
  @amount_column = vertical.length
  @matrix = Nonograms::Matrix.new(@amount_row, @amount_column)
end

Instance Method Details

#cross_acceptable?(row, column) ⇒ Boolean

the vertical and the horizontal vectors have acceptable values

Returns:

  • (Boolean) 


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# File 'lib/nonograms/logic.rb', line 21

def cross_acceptable?(row, column)
  vertical_acceptable?(row, column) and horizontal_acceptable?(row, column)
end

#horizontal_acceptable?(row, column) ⇒ Boolean

the horizontal vector have acceptable values

Returns:

  • (Boolean) 


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# File 'lib/nonograms/logic.rb', line 35

def horizontal_acceptable?(row, column)
  unless column == @amount_column-1
    vector_acceptable?( @horizontal[row], @matrix.count_horizontal(row) )
  else
    return ( @horizontal[row] == @matrix.count_horizontal(row))
  end
end

#matrix ⇒ Object 



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# File 'lib/nonograms/logic.rb', line 16

def matrix
  @matrix
end

#vector_acceptable?(origin, piece) ⇒ Boolean

the vector have acceptable values

  • origin - vector base

  • piece - vector to verifi

  • return - true or false

example: origin = [3, 2, 2]; piece = [3, 1]; return true origin = [3, 2, 2]; piece = [3, 3]; return false

Returns:

  • (Boolean) 


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# File 'lib/nonograms/logic.rb', line 50

def vector_acceptable?(origin, piece)
  return false if piece.length > origin.length
  piece.each_with_index do |value, index|
    if index == piece.length-1
      return false unless origin[index] >= piece[index]
    else
      return false unless origin[index] == piece[index]
    end
  end
  return true
end

#vertical_acceptable?(row, column) ⇒ Boolean

the vertical vector have acceptable values

Returns:

  • (Boolean) 


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# File 'lib/nonograms/logic.rb', line 26

def vertical_acceptable?(row, column)
  unless row == @amount_row-1
    vector_acceptable?( @vertical[column], @matrix.count_vertical(column) )
  else
    return  ( @vertical[column] == @matrix.count_vertical(column) )
  end
end