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module Roo
class Excelx
class Cell
class Number < Cell::Base
attr_reader :value, :formula, :format, :cell_value, :link, :coordinate
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
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
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
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',
'0.000000' => '%.6f',
'#,##0' => number_format('%.0f'),
'#,##0.00' => number_format('%.2f'),
'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)' => number_format('%.0f', '(%.0f)'),
'#,##0 ;[Red](#,##0)' => number_format('%.0f', '[Red](%.0f)'),
'#,##0.00;(#,##0.00)' => number_format('%.2f', '(%.2f)'),
'#,##0.00;[Red](#,##0.00)' => number_format('%.2f', '[Red](%.2f)'),
# FIXME: not quite sure what the format should look like in this case.
'##0.0E+0' => '%.1E',
'@' => proc { |number| number }
}
end
private
def number_format(formatter, negative_formatter = nil)
proc do |number|
if negative_formatter
formatter = number.to_i > 0 ? formatter : negative_formatter
number = number.to_f.abs
end
Kernel.format(formatter, number).reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse
end
end
def zero_padded_number?
@format[/0+/] == @format
end
end
end
end
end
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