A fast Ruby XML parser, object marshaller, and SAX parser designed as a high-performance alternative to Nokogiri and Marshal.
Ox is a Ruby gem that provides a fast, optimized XML parser, object marshaller, and SAX parser. It solves the need for high-performance XML processing and object serialization in Ruby applications, offering significant speed improvements over alternatives like Nokogiri and the standard Marshal module.
Ruby developers working with XML data, needing fast parsing, serialization, or object marshalling, particularly those in performance-sensitive applications or replacing Nokogiri/Marshal.
Developers choose Ox for its exceptional speed, self-contained design without libxml dependencies, and human-readable XML object serialization that avoids version compatibility issues of binary formats.
Ruby Optimized XML Parser
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Parses XML documents 2x or more faster than Nokogiri and LibXML, with benchmark links provided in the README confirming performance advantages.
Serializes Ruby objects to XML up to 6x faster than Marshal.dump and loads them up to 3x faster, using human-readable XML for better debuggability and version compatibility.
Relies only on standard C libraries, avoiding dependency issues with libxml that commonly affect parsers like Nokogiri, as emphasized in the philosophy section.
SAX-like parser is 40x faster than Nokogiri with tunable callbacks, ideal for processing large XML files with minimal memory overhead, per the performance claims.
Lacks support for advanced XML features like XPath, XSLT, or DTD validation, which are standard in Nokogiri, making it less suitable for complex XML manipulations.
As a niche library, Ox has fewer community contributions, tutorials, and integrations compared to the widely adopted Nokogiri, which can hinder long-term support and learning resources.
Object marshalling uses XML format, which is human-readable but results in significantly larger file sizes than binary formats like Marshal, impacting storage and network transmission.
Ox is an open-source alternative to the following products:
Marshal is a serialization library for Ruby that converts Ruby objects into a byte stream for storage or transmission.
A Ruby gem that provides an interface to parse HTML and XML with the libxml2 and libxslt libraries. It is widely used for web scraping and data extraction in Ruby applications.
LibXML is a C library for parsing XML documents, providing a standards-compliant toolkit for developing XML-based applications.