Nokogiri (software)

Nokogiri, an XML and HTML Parser
Original author(s)	Aaron Patterson, Mike Dalessio
Developer(s)	Aaron Patterson, Mike Dalessio, Yoko Harada, Timothy Elliott, John Shahid, Akinori MUSHA
Initial release	October 30, 2008
Stable release	1.16.5 / May 13, 2024; 5 months ago
Preview release	1.16.0.rc1 / December 13, 2023; 10 months ago
Repository	github.com/sparklemotion/nokogiri ;
Operating system	Linux, FreeBSD, OpenBSD, Windows, macOS
Platform	Cross-platform
Available in	Ruby, Java
Type	Parser
License	MIT License
Website	www.nokogiri.org

Nokogiri is an open source software library to parse HTML and XML in Ruby.^[3]^[4]^[5]^[6] It depends on libxml2 and libxslt to provide its functionality.^[7]

Overview

It markets itself as providing a sensible, easy-to-understand API for reading, writing, modifying, and querying documents. It is available for ruby as well as java through Jruby. It provides fast and standards-compliant parser by relying on native parsers like libxml2 (CRuby) and xerces (JRuby).

It is one of the most downloaded Ruby gems, having been downloaded over 700 million times from the rubygems.org repository.^[8]

Features

DOM Parser for XML, HTML4, and HTML5
SAX Parser for XML and HTML4
Push Parser for XML and HTML4
Document search via XPath 1.0
Document search via CSS3 selectors
XSD Schema validation
XSLT transformation
XML and HTML Builder

Enterprise support is available through tidelift,^[9] a paid subscription model, offering commercial support for open source applications.

References

^ ^a ^b "Releases - sparklemotion/nokogiri". Retrieved 18 May 2024 – via GitHub.
^ "LICENSE". Github. Retrieved 5 September 2019.
^ Peter Cooper (20 July 2009). Beginning Ruby: From Novice to Professional. Apress. pp. 528–529. ISBN 978-1-4302-2363-4. Retrieved 15 May 2011.
^ Chad Pytel; Tammer Saleh (9 November 2010). Rails AntiPatterns: Best Practice Ruby on Rails Refactoring. Addison-Wesley. p. 199. ISBN 978-0-321-60481-1. Retrieved 15 May 2011.
^ Mark Watson (2009). Scripting Intelligence: Web 3.0 Information, Gathering and Processing. Springer. p. 22. ISBN 978-1-4302-2351-1. Retrieved 15 May 2011.
^ Sparklemotion, Team. "Tutorials - Nokogiri 鋸". www.nokogiri.org. Retrieved 2016-02-04.
^ "Nokogiri (README.md)". Retrieved 22 November 2018 – via GitHub.
^ "nokogiri". RubyGems repository. Retrieved 26 December 2023.
^ "nokogiri rubygems via the Tidelift Subscription". tidelift. Retrieved 3 February 2022.

External links

Official website
Nokogiri on GitHub

[github-releases-1] "Releases - sparklemotion/nokogiri". Retrieved 18 May 2024 – via GitHub.

[2] "LICENSE". Github. Retrieved 5 September 2019.

[Cooper2009-3] Peter Cooper (20 July 2009). Beginning Ruby: From Novice to Professional. Apress. pp. 528–529. ISBN 978-1-4302-2363-4. Retrieved 15 May 2011.

[PytelSaleh2010-4] Chad Pytel; Tammer Saleh (9 November 2010). Rails AntiPatterns: Best Practice Ruby on Rails Refactoring. Addison-Wesley. p. 199. ISBN 978-0-321-60481-1. Retrieved 15 May 2011.

[Watson2009-5] Mark Watson (2009). Scripting Intelligence: Web 3.0 Information, Gathering and Processing. Springer. p. 22. ISBN 978-1-4302-2351-1. Retrieved 15 May 2011.

[6] Sparklemotion, Team. "Tutorials - Nokogiri 鋸". www.nokogiri.org. Retrieved 2016-02-04.

[7] "Nokogiri (README.md)". Retrieved 22 November 2018 – via GitHub.

[8] "nokogiri". RubyGems repository. Retrieved 26 December 2023.

[9] "nokogiri rubygems via the Tidelift Subscription". tidelift. Retrieved 3 February 2022.

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