Ruby 1.9.2 リファレンスマニュアル > ライブラリ一覧 > ripper/filterライブラリ > Ripper::Filterクラス

class Ripper::Filter

クラスの継承リスト: Ripper::Filter < Object < Kernel < BasicObject

要約

イベントドリブンスタイルで Ruby プログラムを加工するためのクラスです。

使用例

require 'ripper'
require 'cgi'

class Ruby2HTML < Ripper::Filter
  def on_default(event, tok, f)
    f << CGI.escapeHTML(tok)
  end

  def on_comment(tok, f)
    f << %Q[<span class="comment">#{CGI.escapeHTML(tok)}</span>]
  end

  def on_tstring_beg(tok, f)
    f << %Q[<span class="string">#{CGI.escapeHTML(tok)}]
  end

  def on_tstring_end(tok, f)
    f << %Q[#{CGI.escapeHTML(tok)}</span>]
  end
end

Ruby2HTML.new(ARGF).parse('')

特異メソッド

インスタンスメソッド

privateメソッド

継承したメソッド

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