lib/grc.rb in grc-0.1.1 vs lib/grc.rb in grc-0.1.3

@@ -4,50 +4,79 @@
 
 # Methods for working with ancient greek in ruby
 module Grc
   class Error < StandardError; end
 
+  @std_error = 'ERROR: String does not contain any greek. Summon the muse and try again.'
+
   def grc?
     !scan(/(\p{Greek})/).empty?
   end
 
   def no_downcase_diacritics
+    return @std_error unless grc?
+
     tr('ἀἄᾄἂᾂἆᾆᾀἁἅᾅἃᾃἇᾇᾁάάᾴὰᾲᾰᾶᾷᾱᾳἐἔἒἑἕἓέέὲἠἤᾔἢᾒἦᾖᾐἡἥᾕἣᾓἧᾗᾑήήῄὴῂῆῇῃἰἴἲἶἱἵἳἷίίὶῐῖϊϊΐῒῗῑὀὄὂὁὅὃόόὸῤῥὐὔὒὖὑὕὓὗύύὺῠῦϋΰΰΰῢῧῡὠὤᾤὢᾢὦᾦᾠὡὥᾥὣᾣὧᾧᾡώώῴὼῲῶῷῳ',
        'ααααααααααααααααααααααααααεεεεεεεεεηηηηηηηηηηηηηηηηηηηηηηηηιιιιιιιιιιιιιιιιιιιοοοοοοοοορρυυυυυυυυυυυυυυυυυυυυωωωωωωωωωωωωωωωωωωωωωωωω')
   end
 
   def no_upcase_diacritics
+    return @std_error unless grc?
+
     str = self
+    # Adhoc solution for odd combinations of diacritics with capital letters
     ars = [[/[́̀͂́́́̀͂]/, ''], [/Α͂/, 'Α'], [/Η͂/, 'Η'], [/Ί|Ὶ|Ι͂|́Ι|̀Ι|͂Ι/, 'Ι'],
-           [/Ρ̓/, 'Ρ'], [/ Ὺ| ́Υ|Υ̓|Ύ|Ὺ|Υ͂|́Υ|̀Υ|͂Υ/, 'Υ'], [/͂Ω/, 'Ω']] # Adhoc solution for crazy diacritics with capital letters
+           [/Ρ̓/, 'Ρ'], [/ Ὺ| ́Υ|Υ̓|Ύ|Ὺ|Υ͂|́Υ|̀Υ|͂Υ/, 'Υ'], [/͂Ω/, 'Ω']]
     ars.each do |a|
       str = str.gsub(/#{a[0]}/, a[1])
     end
-    str = str.tr('ἈἌἊἎἉἍἋἏΆᾺᾸᾹἘἜἚἙἝἛΈῈἨἬἪἮἩἭἫἯΉῊἸἼἺἾἹἽἻἿΊῚῘΪῙὈὌὊὉὍὋΌῸΡῬὙὝὛὟΎῪῨΫῩὨὬὪὮὩὭὫὯΏῺ',
-                 'ΑΑΑΑΑΑΑΑΑΑΑΑΕΕΕΕΕΕΕΕΗΗΗΗΗΗΗΗΗΗΙΙΙΙΙΙΙΙΙΙΙΙΙΟΟΟΟΟΟΟΟΡΡΥΥΥΥΥΥΥΥΥΩΩΩΩΩΩΩΩΩΩ')
+    str.tr('ἈἌἊἎἉἍἋἏΆᾺᾸᾹἘἜἚἙἝἛΈῈἨἬἪἮἩἭἫἯΉῊἸἼἺἾἹἽἻἿΊῚῘΪῙὈὌὊὉὍὋΌῸΡῬὙὝὛὟΎῪῨΫῩὨὬὪὮὩὭὫὯΏῺ',
+           'ΑΑΑΑΑΑΑΑΑΑΑΑΕΕΕΕΕΕΕΕΗΗΗΗΗΗΗΗΗΗΙΙΙΙΙΙΙΙΙΙΙΙΙΟΟΟΟΟΟΟΟΡΡΥΥΥΥΥΥΥΥΥΩΩΩΩΩΩΩΩΩΩ')
   end
 
   def no_diacritics
+    return @std_error unless grc?
+
     no_downcase_diacritics.no_upcase_diacritics
   end
 
   def tonos_to_oxia
-    tr('ΆΈΉΊΎΌΏάέήίΐύΰόώ',
-       'ΆΈΉΊΎΌΏάέήίΐύΰόώ')
+    return @std_error unless grc?
+
+    tr('άΆέΈήΉίΊΐόΌύΎΰώΏ',
+       'άΆέΈήΉίΊΐόΌύΎΰώΏ')
   end
 
+  def to_oxia
+    return @std_error unless grc?
+
+    tonos_to_oxia
+  end
+
   def oxia_to_tonos
-    tr('ΆΈΉΊΎΌΏάέήίΐύΰόώ',
-       'ΆΈΉΊΎΌΏάέήίΐύΰόώ')
+    return @std_error unless grc?
+
+    tr('άΆέΈήΉίΊΐόΌύΎΰώΏ',
+       'άΆέΈήΉίΊΐόΌύΎΰώΏ')
   end
 
+  def to_tonos
+    return @std_error unless grc?
+
+    oxia_to_tonos
+  end
+
   def acute_to_grave
+    return @std_error unless grc?
+
     tr('ἄᾄἅᾅάάᾴἔἕέέἤᾔἥᾕήήῄἴἵίίΐὄὅόόὔὕύύΰΰὤᾤὥᾥώῴ',
        'ἂᾂἃᾃὰὰᾲἒἓὲὲἢᾒἣᾓὴὴῂἲἳὶὶῒὂὃὸὸὒὓὺὺῢῢὢᾢὣᾣὼῲ')
   end
 
   def grave_to_acute
+    return @std_error unless grc?
+
     tr('ἂᾂἃᾃὰὰᾲἒἓὲὲἢᾒἣᾓὴὴῂἲἳὶὶῒὂὃὸὸὒὓὺὺῢῢὢᾢὣᾣὼῲ',
        'ἄᾄἅᾅάάᾴἔἕέέἤᾔἥᾕήήῄἴἵίίΐὄὅόόὔὕύύΰΰὤᾤὥᾥώῴ')
   end
 
   def tokenize
@@ -73,10 +102,151 @@
       hash[character] = character.dump
     end
     hash
   end
 
+  def transliterate
+    return @std_error unless grc?
+
+    hash = {
+      ῥ: 'rh',
+      ͱ: '',
+      Ͳ: '',
+      ͳ: '',
+      ʹ: '',
+      "\u0375": '',
+      Ͷ: '',
+      ͷ: '',
+      ͺ: '',
+      ͻ: '',
+      ͼ: '',
+      ͽ: '',
+      Α: 'a',
+      Β: 'b',
+      Γ: 'g',
+      Δ: 'd',
+      Ε: 'e',
+      Ζ: 'z',
+      Η: 'ē',
+      Θ: 'th',
+      Ι: 'i',
+      Κ: 'k',
+      Λ: 'l',
+      Μ: 'm',
+      Ν: 'n',
+      Ξ: 'x',
+      Ο: 'o',
+      Π: 'p',
+      Ρ: 'r',
+      Σ: 's',
+      Τ: 't',
+      Υ: 'y',
+      Φ: 'ph',
+      Χ: 'ch',
+      Ψ: 'ps',
+      Ω: 'ō',
+      α: 'a',
+      β: 'b',
+      γ: 'g',
+      δ: 'd',
+      ε: 'e',
+      ζ: 'z',
+      η: 'ē',
+      θ: 'th',
+      ι: 'i',
+      κ: 'k',
+      λ: 'l',
+      μ: 'm',
+      ν: 'n',
+      ξ: 'x',
+      ο: 'o',
+      π: 'p',
+      ρ: 'r',
+      ς: 's',
+      σ: 's',
+      τ: 't',
+      υ: 'y',
+      φ: 'ph',
+      χ: 'ch',
+      ψ: 'ps',
+      ω: 'ō',
+      Ϗ: '',
+      ϐ: '',
+      ϑ: '',
+      ϒ: '',
+      ϓ: '',
+      ϔ: '',
+      ϕ: '',
+      ϖ: '',
+      ϗ: '',
+      Ϙ: '',
+      ϙ: '',
+      Ϛ: '',
+      ϛ: '',
+      Ϝ: '',
+      ϝ: '',
+      Ϟ: '',
+      ϟ: '',
+      Ϡ: '',
+      ϡ: '',
+      Ϣ: '',
+      ϣ: '',
+      Ϥ: '',
+      ϥ: '',
+      Ϧ: '',
+      ϧ: '',
+      Ϩ: '',
+      ϩ: '',
+      Ϫ: '',
+      ϫ: '',
+      Ϭ: '',
+      ϭ: '',
+      Ϯ: '',
+      ϯ: '',
+      ϰ: '',
+      ϱ: '',
+      ϲ: '',
+      ϳ: '',
+      ϴ: '',
+      ϵ: '',
+      "\u03F6": '',
+      Ϸ: '',
+      ϸ: '',
+      Ϲ: '',
+      Ϻ: '',
+      ϻ: '',
+      ϼ: '',
+      Ͻ: '',
+      Ͼ: '',
+      Ͽ: '',
+      gg: 'ng',
+      gk: 'nk',
+      gx: 'nx',
+      gc: 'nc',
+      "\u{0314}": 'rh',
+      rr: 'rrh',
+      ay: 'au',
+      ey: 'eu',
+      ēy: 'ēu',
+      oy: 'ou',
+      yi: 'ui'
+    }
+    result = []
+    str = self
+    str.split.each do |word|
+      result << if word.grc?
+                  the_word = word.gsub(/ῥ/, 'rh')
+                  the_word = the_word =~ /[ἁἅᾅἃᾃἇᾇᾁἑἕἓἡἥᾕἣᾓἧᾗᾑἱἵἳἷὁὅὃὑὕὓὗὡὥᾥὣᾣὧᾧᾡ]/ ? "h#{the_word.no_diacritics}" : the_word.no_diacritics
+                  hash.each { |k, v| the_word = the_word.gsub(/#{k}/, v) }
+                  the_word
+                else
+                  word
+                end
+    end
+    result.join(' ')
+  end
+
   def nfc
     unicode_normalize(:nfc)
   end
 
   def nfd
@@ -84,6 +254,6 @@
   end
 end
 
 class String
   include Grc
-end
\ No newline at end of file
+end