Nokogiri はHTMLとXMLとSAXとXSLTとReaderのパーサーです。とりわけ重要な特徴は、ドキュメントをXPathやCSS3セレクター経由で探索する機能を持つことです。
XMLは暴力に似ている - XMLが君の問題を解決しないとしたら、君はXMLを十分に使いこなしていない事になる。
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XPath による探索
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CSS3 のセレクターによる探索
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XML/HTMLのビルダー
XML/HTMLの高速な解析と探索検索、ならびにCSS3セレクタとXPathをサポートしています。
日本語でNokogiriのメーリングリスト
* http://groups.google.com/group/nokogiri-list
* http://github.com/tenderlove/nokogiri/issues
IRCのチャンネルはfreenodeの #nokogiri です。
require 'nokogiri' require 'open-uri' doc = Nokogiri::HTML(open('http://www.google.com/search?q=tenderlove')) #### # Search for nodes by css doc.css('h3.r a.l').each do |link| puts link.content end #### # Search for nodes by xpath doc.xpath('//h3/a[@class="l"]').each do |link| puts link.content end #### # Or mix and match. doc.search('h3.r a.l', '//h3/a[@class="l"]').each do |link| puts link.content end
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ruby 1.8 or 1.9
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libxml2
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libxml2-dev
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libxslt
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libxslt-dev
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sudo gem install nokogiri
(The MIT License)
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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