Class: Jekyll::JekyllRdf::Types::XsdDouble

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll/types/XsdDouble.rb

Constant Summary collapse

@@class_uri = 
"http://www.w3.org/2001/XMLSchema#double"

Class Method Summary collapse

Class Method Details

.===(other) ⇒ Object 



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# File 'lib/jekyll/types/XsdDouble.rb', line 33

def self.=== other
  return other.to_s.eql? @@class_uri
end

.match?(string) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jekyll/types/XsdDouble.rb', line 7

def self.match? string
  return regex.match string.upcase
end

.regex ⇒ Object 



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# File 'lib/jekyll/types/XsdDouble.rb', line 11

def self.regex
  @@regex ||= /^[+-]?[0-9]+\.(\d+)E[+-]?(\d+)$/
  return @@regex
end

.to_s ⇒ Object 



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# File 'lib/jekyll/types/XsdDouble.rb', line 37

def self.to_s
  return @@class_uri
end

.to_type(string) ⇒ Object 



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# File 'lib/jekyll/types/XsdDouble.rb', line 16

def self.to_type string
  string = string.upcase
  number = string.to_f
  negative = number < 0
  if negative
    number = number * (-1)
  end
  e = [-1 * (Math.log10(number).floor - (string.to_s.index('E') - string.to_s.index('.'))), 0].max
  vz = ""
  if negative
    vz = "-"
  end

  result = vz.to_s + sprintf("%." + e.to_s +  "f", number)
  return result
end