Nokogiri (鋸) <img src=“https://secure.travis-ci.org/sparklemotion/nokogiri.png?rvm=1.9.3” /> <img src=“https://codeclimate.com/badge.png” />¶ ↑
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/sparklemotion/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)
Copyright © 2008 - 2010:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.