Module: BlueFeather::Util

Defined in:
lib/bluefeather.rb

Constant Summary collapse

HTML_ESC = 
{
  '&' => '&',
  '"' => '"',
  '<' => '&lt;',
  '>' => '&gt;'
}

Class Method Summary collapse

Class Method Details

.change_kcode(kcode = nil) ⇒ Object 



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# File 'lib/bluefeather.rb', line 170

def change_kcode(kcode = nil)
  if defined?(Encoding) then
    # ruby 1.9 later

    yield
  else
    # ruby 1.8 earlier

    original_kcode = $KCODE
  
    begin
      $KCODE = kcode if kcode
      yield
      
    ensure
      # recover

      $KCODE = original_kcode
    end
  end # if defined?

end

.escape_html(str) ⇒ Object

(Author: Minero Aoki)



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# File 'lib/bluefeather.rb', line 155

def escape_html(str)
  table = HTML_ESC   # optimize

  str.gsub(/[&"<>]/) {|s| table[s] }
end

.generate_blank_string_io(encoding_base) ⇒ Object 



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# File 'lib/bluefeather.rb', line 160

def generate_blank_string_io(encoding_base)
  io = StringIO.new
  
  if io.respond_to?(:set_encoding) then
    io.set_encoding(encoding_base.encoding)
  end
  
  return io
end