Module: FarsiFu::NumbersExtensions::InstanceMethods

Defined in:
lib/farsifu.rb

Constant Summary collapse

PERSIAN_CHARS = 
"۱۲۳۴۵۶۷۸۹۰،؛"
ENGLISH_CHARS = 
"1234567890,;"
PERSIAN_DIGIT_JOINT = 
" و "
PERSIAN_DIGIT_SIGN = 
["منفی ", "مثبت ", " ممیز "]
PERSIAN_DIGIT_SPELL = 
{
  0          => [ nil ,"یک","دو","سه","چهار","پنج","شش","هفت","هشت","نه", "صفر"] ,
  1          => [ nil ,"ده","بیست","سی","چهل","پنجاه","شصت","هفتاد","هشتاد","نود"],
  2          => [ nil ,"صد","دویست","سیصد","چهارصد","پانصد","ششصد","هفتصد","هشتصد","نهصد"],
  "10..19"   => [ "ده" ,"یازده","دوازده","سیزده","چهارده","پانزده","شانزده","هفده","هجده","نوزده"],
  "zillion"  => [ nil ,"هزار","میلیون","میلیارد","بیلیون","تریلیون","کوادریلیون","کوینتیلیون","سیکستیلیون","سپتیلیون","اکتیلیون","نونیلیون","دسیلیون"],
  "decimals" => [ nil, "دهم", "صدم", "هزارم", "ده‌هزارم", "صدهزارم", "میلیونیم", "ده‌میلیونیم","صدمیلیونیم","میلیاردیم"]
}

Instance Method Summary collapse

Instance Method Details

#spell_farsi ⇒ Object

Spells a number in Persian accpets english numbers (in float,fixnum or string)

Example:

5678.spell_farsi # => "پنج هزار و ششصد و هفتاد و هشت"



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# File 'lib/farsifu.rb', line 54

def spell_farsi
  # Distigushing the number (float and )
  if self.class == Float
    num_array = self.to_f.to_s.split(".").first.split(//).reverse
    dec_array = self.to_f.to_s.split(".").last.split(//).slice(0..9).compact.reverse
    dec_copy_b = dec_array.clone ; dec_copy_a = dec_array.clone
    result = spell(num_array)
    ( result += PERSIAN_DIGIT_SIGN[2] + spell(dec_array) + " " + PERSIAN_DIGIT_SPELL["decimals"][dec_copy_a.size].to_s )  unless [PERSIAN_DIGIT_SPELL[0][10],""].include? spell(dec_copy_b)
    return result
  else
    num_array = self.to_i.to_s.split(//).reverse
    return spell(num_array)
  end
end

#spell_ordinal_farsi(*args) ⇒ Object

Spells numbers in sequentional format. If pass ‘true`, it will use the second format

Example:

1.spell_ordinal_farsi       # => "اول"
121.spell_ordinal_farsi     # => "صد و بیست و یکم"
2.spell_ordinal_farsi(true) # => "دومین"
2054.spell_ordinal_farsi(true) # => "دو هزار و پنجاه چهارمین"



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# File 'lib/farsifu.rb', line 76

def spell_ordinal_farsi(*args)
  if args[0]
    exceptions = {0 => "صفر", 1 => "اولین", 3 => "سومین"}
    suffix = "مین"
  else
    exceptions = {0 => "صفر", 1 => "اول", 3 => "سوم"}
    suffix = "م"
  end

  make_ordinal_spell(exceptions, suffix)
end

#to_english ⇒ Object

Returns a string which is the equivalent English number of a Persian number (in String)

Example:

"۱۲۳".to_english # => "123"



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# File 'lib/farsifu.rb', line 31

def to_english
  self.to_s.tr(PERSIAN_CHARS,ENGLISH_CHARS)
end

#to_farsi ⇒ Object Also known as: to_persian

Returns a string which is the equivalent Persian number of an English number (in String) accepts instances of String, Integer and Numeric classes (Fixnum,Bignum and floats are accepted)

alias: to_persian

Example:

"123".to_farsi # => "۱۲۳"
"456".to_persian # => "۴۵۶"
789.to_farsi # => "۷۸۹"



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# File 'lib/farsifu.rb', line 44

def to_farsi
  self.to_s.tr(ENGLISH_CHARS,PERSIAN_CHARS)
end