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

Instance Method Summary collapse

Methods inherited from Base

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

Methods included from Helpers::DefaultAttrReader

#attr_reader_with_default

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 12

def initialize(value, formula, excelx_type, style, link, coordinate)
  super
  # FIXME: Excelx_type is an array, but the first value isn't used.
  @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 7

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 7

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 7

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 7

def formula
  @formula
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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

def value
  @value
end

Instance Method Details

#create_numeric(number) ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 19

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, 10)
  end
end

#formatted_value ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 31

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

  formatter = generate_formatter(@format)
  if formatter.is_a? Proc
    formatter.call(@cell_value)
  else
    Kernel.format(formatter, @cell_value)
  end
end

#generate_formatter(format) ⇒ Object 



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# File 'lib/roo/excelx/cell/number.rb', line 42

def generate_formatter(format)
  # FIXME: numbers can be other colors besides red:
  # [BLACK], [BLUE], [CYAN], [GREEN], [MAGENTA], [RED], [WHITE], [YELLOW], [COLOR n]
  case format
  when /^General$/i then '%.0f'
  when '0' then '%.0f'
  when /^(0+)$/ then "%0#{$1.size}d"
  when /^0\.(0+)$/ then "%.#{$1.size}f"
  when '#,##0' then number_format('%.0f')
  when '#,##0.00' then number_format('%.2f')
  when '0%'
    proc do |number|
      Kernel.format('%d%%', number.to_f * 100)
    end
  when '0.00%'
    proc do |number|
      Kernel.format('%.2f%%', number.to_f * 100)
    end
  when '0.00E+00' then '%.2E'
  when '#,##0 ;(#,##0)' then number_format('%.0f', '(%.0f)')
  when '#,##0 ;[Red](#,##0)' then number_format('%.0f', '[Red](%.0f)')
  when '#,##0.00;(#,##0.00)' then number_format('%.2f', '(%.2f)')
  when '#,##0.00;[Red](#,##0.00)' then number_format('%.2f', '[Red](%.2f)')
    # FIXME: not quite sure what the format should look like in this case.
  when '##0.0E+0' then '%.1E'
  when '@' then proc { |number| number }
  else
    raise "Unknown format: #{format.inspect}"
  end
end