Class: InMemoryDictionaryHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/raramorph/in_memory_dictionary_handler.rb

Constant Summary collapse

@@prefixes =

Dictionaries are HASH OF ARRAYS #####

{}
@@stems =

Dictionary of Prefixes

{}
@@suffixes =

Dictionary of Stems

{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create ⇒ Object

  • Loads Dictionaries and initiate variables



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 23

def self.create 
  
  ### Variables #####
    @@handler  = nil
    @@regex = Regexp.compile(".*" + "<pos>(.+?)</pos>" + ".*")
    @@morphology_regexs=[]
    #@@leema_starter = Regexp.compile(";; ")
    @@morphology_regexs[0] = Regexp.compile("^(Pref-0|Suff-0)$")
    @@morphology_regexs[1] = Regexp.compile("^F" + ".*")
    @@morphology_regexs[2] = Regexp.compile("^IV" + ".*")
    @@morphology_regexs[3] = Regexp.compile("^PV" + ".*")
    @@morphology_regexs[4] = Regexp.compile("^CV" + ".*")
    @@morphology_regexs[5] = Regexp.compile("^N" + ".*")
    @@morphology_regexs[6] = Regexp.compile("^[A-Z]" + ".*")
    @@morphology_regexs[7] = Regexp.compile(".*" + "iy~$")
    @@compatability_stpliter = Regexp.compile("\\s+")            
    @@vocalization_array =[]
    @@vocalization_array[0] = "/FUNC_WORD"
    @@vocalization_array[1] ="/VERB_IMPERFECT"
    @@vocalization_array[2] ="/VERB_PERFECT"
    @@vocalization_array[3] ="/VERB_IMPERATIVE"
    @@vocalization_array[4] = "/NOUN_PROP"
    @@vocalization_array[5] ="/NOUN"
    @@vocalization_array[6] = "/NOUN"

    @@prefixes_stems_compatibility = Set.new
  #Changed
  #Compatibility table for prefixes-stems combinations.

    @@prefixes_suffixes_compatibility = Set.new
  #Changed
  #Compatibility table for prefixes-suffixes combinations.

    @@stems_suffixes_compatibility = Set.new
    
  #Changed
  #Compatibility table for stem-suffixes combinations.

     puts "Initializing in-memory dictionary handler..."
     Thread.abort_on_exception = true
     load_dictionary( @@prefixes , "dictPrefixes"  ,  File.dirname(__FILE__) + "/../dictionaries/dictPrefixes"  )
     load_stems_marshaled_dictionary
     load_dictionary(@@suffixes, "dictSuffixes" ,  File.dirname(__FILE__) + "/../dictionaries/dictSuffixes")
     load_compatibility_table(@@prefixes_stems_compatibility , "prefixes_stems_compatibility" ,  File.dirname(__FILE__) + "/../dictionaries/tableAB")
     load_compatibility_table(@@prefixes_suffixes_compatibility , "prefixes_suffixes_compatibility" ,  File.dirname(__FILE__) + "/../dictionaries/tableAC")
     load_compatibility_table(@@stems_suffixes_compatibility , "stems_suffixes_compatibility" ,  File.dirname(__FILE__) + "/../dictionaries/tableBC")
     puts "... Done ... "
           @@handler = new unless @@handler
end

.load_stems_marshaled_dictionary ⇒ Object

  • load the marshaled stems dictionary if avalaible or load from the origin dictionary if not avalaible



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 74

def self.load_stems_marshaled_dictionary 
   if File.exists?( File.dirname(__FILE__) + '/../dictionaries/marshal_stems' ) 
    File.open( File.dirname(__FILE__) + '/../dictionaries/marshal_stems') do |f|  
       @@stems =  Marshal.load(f)
     end
      puts("#{@@stems.length}  entries totalizing")
   else
     reload_stems_dictionary
   end         
end

.marshal_stems ⇒ Object

  • Marshal the stems dictionary into a file



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 86

def self.marshal_stems
   File.open( File.dirname(__FILE__) + '/../dictionaries/marshal_stems' , 'w+') do |f|  
      Marshal.dump(@@stems, f)  
    end   
end

.reload_stems_dictionary ⇒ Object

  • Loads Stem dictionary from original file then marshal the dictionary for faster access



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 94

def self.reload_stems_dictionary
  load_dictionary(@@stems, "dictStems",  File.dirname(__FILE__) + "/../dictionaries/dictStems") #File.open("dictionaries/dictStems" ,  "r:UTF-8" ))
  marshal_stems
end

Instance Method Details

#has_prefix?(translitered) ⇒ Boolean

  • Check if translitered word has prefix

  • translitered

    Translitered word to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 101

def has_prefix?(translitered)
 	@@prefixes.has_key?(translitered)
end

#has_stem?(translitered) ⇒ Boolean

  • Check if translitered word has stem

  • translitered

    Translitered word to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 107

def has_stem?(translitered)
  @@stems.has_key?(translitered)
end

#has_suffix?(translitered) ⇒ Boolean

  • Check if translitered word has suffix

  • translitered

    Translitered word to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 113

def has_suffix?(translitered)
  @@suffixes.has_key?(translitered)
end

#prefixes ⇒ Object

  • Returns the prefixes table



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 139

def prefixes
  @@prefixes
end

#prefixes=(prefixes) ⇒ Object 



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 143

def prefixes=(prefixes)
  @@prefixes = prefixes
end

#prefixes_stems_compatible?(prefix, stem) ⇒ Boolean

  • Check if prefix and stem are compatible

  • prefix

    prefix to be checked

  • stem

    stem to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 120

def prefixes_stems_compatible?(prefix , stem) #String , #String
  @@prefixes_stems_compatibility.member?(prefix + " " + stem)
end

#prefixes_suffixes_compatible?(prefix, suffix) ⇒ Boolean

  • Check if prefix and suffix are compatible

  • prefix

    prefix to be checked

  • suffix

    suffix to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 127

def prefixes_suffixes_compatible?(prefix , suffix)
  @@prefixes_suffixes_compatibility.member?(prefix + " " + suffix)
end

#stems ⇒ Object

  • Returns Stems Dictionary



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 148

def stems
  @@stems
end

#stems=(stems) ⇒ Object 



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 152

def stems=(stems)
  @@stems = stems
end

#stems_suffixes_compatible?(stem, suffix) ⇒ Boolean

  • Check if stem and suffix are compatible

  • stem

    stem to be checked

  • suffix

    suffix to be checked

Returns:

  • (Boolean) 


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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 134

def stems_suffixes_compatible?(stem , suffix)
  @@stems_suffixes_compatibility.member?(stem + " " + suffix)
end

#suffixes ⇒ Object

  • Returns Suffixes Dictionary



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 158

def suffixes
  @@suffixes
end

#suffixes=(suffixes) ⇒ Object 



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# File 'lib/raramorph/in_memory_dictionary_handler.rb', line 162

def suffixes=(suffixes)
  @@suffixes = suffixes
end