Class: String

Inherits:
Object
  • Object
show all
Includes:
Sconv
Defined in:
lib/sconv.rb

Overview

Helper Functions for String Class

Instance Method Summary collapse

Methods included from Sconv

#EUC?, #SJIS?, #UTF8?, #guess_ces, #normalize, #sconv

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name) ⇒ Object

Provides methods of the form String#inputEncoding_to_outputEnoding and String#inputEncoding_to_outputEncoding!. Examples: String#UTF8_to_ISO88591



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# File 'lib/sconv.rb', line 127

def method_missing (method_name)
  okay = false
  if method_name.to_s =~ /^(.+)_to_([^!]+)(!)?$/
    from_code, to_code, exclamation = $1.normalize, $2.normalize, $3
    destructive = exclamation == '!'
    okay = true
    # test whether we can convert these encodings
    begin
      ''.sconv(from_code, to_code)
    end
    if okay
      if destructive
        self.class.send :define_method, method_name.to_sym do
          replace self.sconv(from_code, to_code)
        end
      else
        self.class.send :define_method, method_name.to_sym do
          sconv(from_code, to_code)
        end
      end
      send method_name
    else
      sconf_old_method_missing
    end
  end
  
  if method_name.to_s =~ /^to_(\w+)$/
    method_called = 'to' + $1.downcase
    self.class.send :define_method, method_name.to_sym do
      send method_called.to_sym
    end
    send method_name
  end
end

Instance Method Details

#sconf_old_method_missing ⇒ Object 



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# File 'lib/sconv.rb', line 122

alias sconf_old_method_missing method_missing