Class: Knossos::Renderer::Text

Inherits:
Object
  • Object
show all
Defined in:
lib/knossos/renderer/text.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Text

Returns a new instance of Text.



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# File 'lib/knossos/renderer/text.rb', line 4

def initialize
  # nothing to do
end

Instance Method Details

#render(grid:, distances: nil) ⇒ Object 



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# File 'lib/knossos/renderer/text.rb', line 8

def render(grid:, distances: nil)
  output = "+" + "---+" * grid.columns + "\n"

  grid.each_row do |row|
    body = "|"
    bottom = "+"

    row.each do |cell|
      east = grid.east(cell)
      east_border = cell.linked?(east) ? " " : "|"

      south = grid.south(cell)
      south_border = cell.linked?(south) ? "   " : "---"

      body << decorate(cell, distances) << east_border
      bottom << south_border << "+"
    end

    output << body << "\n"
    output << bottom << "\n"
  end

  output
end