Module: Piola::SpecialChars

Defined in:
lib/piola/special_chars.rb

Constant Summary collapse

ACCENTS = 
[193, 201, 205, 209, 211, 218, 220, 225, 233, 237, 241, 243, 250, 252, 246, 214]

Instance Method Summary collapse

Instance Method Details

#clean_chars(options = {}) ⇒ Object

Removes weird chars from a string



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# File 'lib/piola/special_chars.rb', line 36

def clean_chars(options = {})
  str = self
  str = str.gsub(',', ' ') unless options[:keep_commas]
  str = str.gsub('.', ' ') unless options[:keep_periods]
  str = str.gsub(/ +/, ' ')
  str = str.strip

  str = str.split('').map do |char|
    char if char.normal_char?
  end.compact.join

  str = str.gsub(/ +/, ' ').strip
  str
end

#clean_text(remove_parens = true) ⇒ Object

Clean text



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# File 'lib/piola/special_chars.rb', line 93

def clean_text(remove_parens = true)
  str = self
  str = str.html_decode
  str = str.remove_all_parenthesis if remove_parens
  str = str.gsub(/\n|\t/, ' ').gsub(/ +/, ' ')
  str = str.strip
  str
end

#clean_url ⇒ Object

Get rid of all weird stuff for urls



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# File 'lib/piola/special_chars.rb', line 103

def clean_url
  str = self
  str = str.remove_enters
  str = str.remove_tabs
  str
end

#downcase_special_chars ⇒ Object

Converts special chars to downcase



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# File 'lib/piola/special_chars.rb', line 59

def downcase_special_chars
  str = self
  str = str.gsub("Á", "á")
  str = str.gsub("É", "é")
  str = str.gsub("Í", "í")
  str = str.gsub("Ó", "ó")
  str = str.gsub("Ú", "ú")
  str = str.gsub("Ñ", "ñ")
  str = str.gsub("Ü", "ü")
  str
end

#normal_char? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/piola/special_chars.rb', line 51

def normal_char?
  ord = self.ord
  return true if ord >= 32 && ord <= 126
  return true if ACCENTS.include? ord
  false
end

#only_letters ⇒ Object

Remove all characters that are not pure letters



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# File 'lib/piola/special_chars.rb', line 20

def only_letters
  str = self
  str = str.gsub(',', ' ')
  str = str.gsub('.', ' ')
  str = str.gsub(/ +/, ' ')
  str = str.strip

  str = str.split('').map do |char|
    char if char.spanish_char?
  end.compact.join

  str = str.gsub(/ +/, ' ').strip
  str
end

#remove_special_chars ⇒ Object

Remove spanish special chars



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# File 'lib/piola/special_chars.rb', line 72

def remove_special_chars
  str = self
  str = str.gsub("Á", "A")
  str = str.gsub("É", "E")
  str = str.gsub("Í", "I")
  str = str.gsub("Ó", "O")
  str = str.gsub("Ú", "U")
  str = str.gsub("Ñ", "N")
  str = str.gsub("Ü", "U")

  str = str.gsub("á", "a")
  str = str.gsub("é", "e")
  str = str.gsub("í", "i")
  str = str.gsub("ó", "o")
  str = str.gsub("ú", "u")
  str = str.gsub("ñ", "n")
  str = str.gsub("ü", "u")
  str
end

#remove_tabs ⇒ Object

Remove tabs



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# File 'lib/piola/special_chars.rb', line 111

def remove_tabs
  str = self
  str = str.gsub(/\t/, "")
  str = str.gsub(/ +/, ' ')
  str = str.strip
  str
end

#spanish_char? ⇒ Boolean

Determines if a char is a spanish letter

Returns:

  • (Boolean) 


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# File 'lib/piola/special_chars.rb', line 10

def spanish_char?
  ord = self.ord
  return true if ord == 32
  return true if ord >= 65 && ord <= 90
  return true if ord >= 97 && ord <= 122
  return true if ACCENTS.include? ord
  false
end