Class: Roo::Excelx::Cell::Number

Inherits:
Base
  • Object
show all
Defined in:
lib/roo/excelx/cell/number.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#cell_type, #style

Instance Method Summary collapse

Methods inherited from Base

#empty?, #excelx_type, #excelx_value, #formula?, #hyperlink, #link?, #to_s, #type

Constructor Details

#initialize(value, formula, excelx_type, style, link, coordinate) ⇒ Number

Returns a new instance of Number.



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# File 'lib/roo/excelx/cell/number.rb', line 7

def initialize(value, formula, excelx_type, style, link, coordinate)
  super
  # FIXME: change @type to number. This will break brittle tests.
  # FIXME: Excelx_type is an array, but the first value isn't used.
  @type = :float
  @format = excelx_type.last
  @value = link? ? Roo::Link.new(link, value) : create_numeric(value)
end

Instance Attribute Details

#cell_value ⇒ Object (readonly)

Returns the value of attribute cell_value.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def cell_value
  @cell_value
end

#coordinate ⇒ Object (readonly)

Returns the value of attribute coordinate.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def coordinate
  @coordinate
end

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def format
  @format
end

#formula ⇒ Object (readonly)

Returns the value of attribute formula.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def formula
  @formula
end

#link ⇒ Object (readonly)

Returns the value of attribute link.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def link
  @link
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/roo/excelx/cell/number.rb', line 5

def value
  @value
end

Instance Method Details

#create_numeric(number) ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 16

def create_numeric(number)
  return number if Excelx::ERROR_VALUES.include?(number)
  case @format
  when /%/
    Float(number)
  when /\.0/
    Float(number)
  else
    (number.include?('.') || (/\A[-+]?\d+E[-+]\d+\z/i =~ number)) ? Float(number) : Integer(number)
  end
end

#formats ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 41

def formats
  # FIXME: numbers can be other colors besides red:
  # [BLACK], [BLUE], [CYAN], [GREEN], [MAGENTA], [RED], [WHITE], [YELLOW], [COLOR n]
  {
    'General' => '%.0f',
    '0' => '%.0f',
    '0.00' => '%.2f',
    '#,##0' => proc do |number|
      Kernel.format('%.0f', number).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    '#,##0.00' => proc do |number|
      Kernel.format('%.2f', number).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    '0%' =>  proc do |number|
      Kernel.format('%d%', number.to_f * 100)
    end,
    '0.00%' => proc do |number|
      Kernel.format('%.2f%', number.to_f * 100)
    end,
    '0.00E+00' => '%.2E',
    '#,##0 ;(#,##0)' => proc do |number|
      formatter = number.to_i > 0 ? '%.0f' : '(%.0f)'
      Kernel.format(formatter, number.to_f.abs).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    '#,##0 ;[Red](#,##0)' => proc do |number|
      formatter = number.to_i > 0 ? '%.0f' : '[Red](%.0f)'
      Kernel.format(formatter, number.to_f.abs).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    '#,##0.00;(#,##0.00)' => proc do |number|
      formatter = number.to_i > 0 ? '%.2f' : '(%.2f)'
      Kernel.format(formatter, number.to_f.abs).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    '#,##0.00;[Red](#,##0.00)' => proc do |number|
      formatter = number.to_i > 0 ? '%.2f' : '[Red](%.2f)'
      Kernel.format(formatter, number.to_f.abs).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
    end,
    # FIXME: not quite sure what the format should look like in this case.
    '##0.0E+0' => '%.1E',
    '@' => proc { |number| number }
  }
end

#formatted_value ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 28

def formatted_value
  return @cell_value if Excelx::ERROR_VALUES.include?(@cell_value)

  formatter = formats[@format]
  if formatter.is_a? Proc
    formatter.call(@cell_value)
  elsif zero_padded_number?
    "%0#{@format.size}d"% @cell_value
  else
    Kernel.format(formatter, @cell_value)
  end
end