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.



12
13
14
15
16
17
# 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_valueObject (readonly)

Returns the value of attribute cell_value.



7
8
9
# File 'lib/roo/excelx/cell/number.rb', line 7

def cell_value
  @cell_value
end

#coordinateObject (readonly)

Returns the value of attribute coordinate.



7
8
9
# File 'lib/roo/excelx/cell/number.rb', line 7

def coordinate
  @coordinate
end

#formatObject (readonly)

Returns the value of attribute format.



7
8
9
# File 'lib/roo/excelx/cell/number.rb', line 7

def format
  @format
end

#formulaObject (readonly)

Returns the value of attribute formula.



7
8
9
# File 'lib/roo/excelx/cell/number.rb', line 7

def formula
  @formula
end

#valueObject (readonly)

Returns the value of attribute value.



7
8
9
# File 'lib/roo/excelx/cell/number.rb', line 7

def value
  @value
end

Instance Method Details

#create_numeric(number) ⇒ Object



19
20
21
22
23
24
25
26
27
28
29
# 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_valueObject



31
32
33
34
35
36
37
38
39
40
# 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



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
# 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