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May 9, 2013 05:09
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| # -*- coding: utf-8 -*- | |
| require 'active_support/core_ext/string/strip' | |
| html = <<-EOS.strip_heredoc | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=Shift_JIS"> | |
| <meta content='width=device-width; initial-scale=1.0; maximum-scale=1.0;' name='viewport'> | |
| <title>Shift-JISのHTMLメール</title> | |
| <style type="text/css"> | |
| <!-- | |
| h1 { color: red; } | |
| --> | |
| </style> | |
| </head> | |
| <body> | |
| <h1 id="hoge">サンプル メール</h1> | |
| <a href="http://www.nexway.co.jp" target="_blank"><img src="https://www.google.co.jp/images/srpr/logo4w.png" border=0></a> | |
| <ul> | |
| <li><a href="http://www.google.com/">Google</a></li> | |
| <li><a href="http://www.yahoo.co.jp/">Yahoo!</a></li> | |
| <li><a>hrefがない</a></li> | |
| <li><a href>href値：なし</a></li> | |
| <li><a href="">href値：空文字</a></li> | |
| <li><a href="https">href値：プロトコルのみ</a></li> | |
| <li><a href="http:">href値：プロトコルコロンまで</a></li> | |
| <li><a href="https://">href値：プロトコルスラスラまで</a></li> | |
| <li><a href="http://x">href値：不当なURL</a></li> | |
| <li><a href="http://localhost:3000/">href値：ポートあり</a></li> | |
| <li><a href="https://maps.google.co.jp/maps?q=%E6%9D%B1%E4%BA%AC%E9%83%BD%E6%B8%AF%E5%8C%BA%E8%99%8E%E3%83%8E%E9%96%80%EF%BC%94%E4%B8%81%E7%9B%AE%EF%BC%93%E2%88%92%EF%BC%91%EF%BC%93+%E7%A5%9E%E8%B0%B7%E7%94%BA%E3%82%BB%E3%83%B3%E3%83%88%E3%83%A9%E3%83%AB%E3%83%97%E3%83%AC%E3%82%A4%E3%82%B9&hl=ja&ie=UTF8&sll=36.5626,136.362305&sspn=47.525256,87.626953&oq=%E7%A5%9E%E8%B0%B7%E7%94%BA%E3%82%BB%E3%83%B3%E3%83%88%E3%83%A9%E3%83%AB&brcurrent=3,0x60188b90ef579bd9:0x7aea7cb12f141dfb,0&hnear=%E6%9D%B1%E4%BA%AC%E9%83%BD%E6%B8%AF%E5%8C%BA%E8%99%8E%E3%83%8E%E9%96%80%EF%BC%94%E4%B8%81%E7%9B%AE%EF%BC%93%E2%88%92%EF%BC%91%EF%BC%93+%E7%A5%9E%E8%B0%B7%E7%94%BA%E3%82%BB%E3%83%B3%E3%83%88%E3%83%A9%E3%83%AB%E3%83%97%E3%83%AC%E3%82%A4%E3%82%B9&t=m&z=16">href値：パラメータあり</a></li> | |
| <li><a href="https://goo.gl/maps/DAWJC">href値：短縮URL</a></li> | |
| <li><a href="https://www.google.co.jp/#safe=off&hl=ja&sclient=psy-ab&q=%C2%A9&oq=%C2%A9&gs_l=hp.3..0l8.2809.7540.0.10616.13.11.1.0.0.1.90.724.11.11.0...0.0...1c.1j4.12.psy-ab.mBF2wCSTvTM&pbx=1&bav=on.2,or.r_cp.r_qf.&bvm=bv.46226182,d.dGI&fp=f29db67d20b9dfd1&biw=1378&bih=783">href値：#を含む</a></li> | |
| <li><a href="https://google.com">" & < > ©</a></li> | |
| <li><a href="https://google.com">"&<> ©</a></li> | |
| </ul> | |
| </body> | |
| </html> | |
| EOS | |
| tokenizer = HTML::Tokenizer.new(html) | |
| results = [] | |
| index = 0 | |
| while token = tokenizer.next | |
| node = HTML::Node.parse(nil, 0, 0, token, false) | |
| results << if node.is_a?(HTML::Tag) && %w(a href).include?(node.name) && node.attributes && node.attributes['href'] | |
| index += 1 | |
| node.to_s | |
| else | |
| node.to_s | |
| end | |
| end | |
| puts results.join |
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bundle exec rails r html_scanner_sample.rb