Class: TextAnalyzer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text) ⇒ TextAnalyzer

Returns a new instance of TextAnalyzer.



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# File 'lib/text_analyzer.rb', line 4

def initialize text
  @text=text
  @textaz
  @arr
  @unique
  @zipped
  @count
  @hash
  
end

Instance Attribute Details

#arr ⇒ Object (readonly)

Returns the value of attribute arr.



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# File 'lib/text_analyzer.rb', line 3

def arr
  @arr
end

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/text_analyzer.rb', line 3

def count
  @count
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/text_analyzer.rb', line 2

def text
  @text
end

#textaz ⇒ Object (readonly)

Returns the value of attribute textaz.



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# File 'lib/text_analyzer.rb', line 3

def textaz
  @textaz
end

#unique ⇒ Object (readonly)

Returns the value of attribute unique.



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# File 'lib/text_analyzer.rb', line 3

def unique
  @unique
end

#zipped ⇒ Object (readonly)

Returns the value of attribute zipped.



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# File 'lib/text_analyzer.rb', line 3

def zipped
  @zipped
end

Instance Method Details

#+(obj) ⇒ Object

adds 2 object and create new object



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# File 'lib/text_analyzer.rb', line 81

def + obj
  
    #@text=text
    #@textaz
    #@arr
    #@unique
    #@zipped
    #@count
    #@hash
  
  new=TextAnalyzer.new @text+"\n"+obj.text
  new.instance_variable_set(:@textaz, @textaz+"\n"+obj.textaz)
  
  arr=@arr+obj.arr
  new.instance_variable_set(:@arr, arr)
  
  
  u=arr.uniq
  c=u.map {|x| arr.count x}
  zipped = (u.zip c).sort {|x, y| y[1]<=>x[1]}
  u=c=[]
  zipped.each{|x| u << x[0];c <<  x[1]  }
  #zipped.each{|x| c <<  x[1] }
  new.instance_variable_set(:@unique, u)
  new.instance_variable_set(:@count, c)
  new.instance_variable_set(:@zipped, zipped)
  new.instance_variable_set(:@hash, Hash[zipped])
  
  
  return new
end

#==(ob) ⇒ Object 



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# File 'lib/text_analyzer.rb', line 52

def == ob
  @text==ob.text
end

#count_occurrences ⇒ Object 



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

def count_occurrences 
  @unique = @arr.uniq
  @count=@unique.map {|x| arr.count x}
#  return @unique, @count
  return true
end

#get_words ⇒ Object 



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# File 'lib/text_analyzer.rb', line 21

def get_words 
  @textaz=@text.downcase.gsub /[^a-z]/, ' ' #/[\.,\"]/, ' '
end

#init ⇒ Object 



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# File 'lib/text_analyzer.rb', line 14

def init
  get_words
  slice_to_symbols
  count_occurrences
  sort_words
  to_h
end

#length ⇒ Object 



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# File 'lib/text_analyzer.rb', line 64

def length
  @arr.length
end

#percentage(symbol) ⇒ Object 



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# File 'lib/text_analyzer.rb', line 68

def percentage symbol
  c = length
  w = @hash[symbol]
  return w.to_f/c
end

#percentages ⇒ Object 



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# File 'lib/text_analyzer.rb', line 74

def percentages
  per = []
  @unique.each{|x| per<< (percentage x)}
  Hash[@unique.zip per]
end

#quantity ⇒ Object 



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# File 'lib/text_analyzer.rb', line 60

def quantity
  @unique.length
end

#slice_to_symbols ⇒ Object 



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# File 'lib/text_analyzer.rb', line 25

def slice_to_symbols
  @textaz||=get_words
  @arr=@textaz.split(' ').map{|x| x.to_sym}
  return true
end

#sort_words ⇒ Object 



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# File 'lib/text_analyzer.rb', line 37

def sort_words
  @zipped = (@unique.zip @count).sort {|x, y| y[1]<=>x[1]}
  @count = []
  @unique = []
  @zipped.each{|x| @unique << x[0] }
  @zipped.each{|x| @count <<  x[1] }
  #return @unique, @count, @zipped
  return true
end

#to_h ⇒ Object 



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# File 'lib/text_analyzer.rb', line 46

def to_h
  @hash ||= Hash[@zipped]
end

#to_s ⇒ Object 



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# File 'lib/text_analyzer.rb', line 49

def to_s
  'done'
end

#values_from_list(quantity) ⇒ Object 



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# File 'lib/text_analyzer.rb', line 56

def values_from_list quantity
  @hash.values_at *@unique[0...quantity]
end