Who and What

• Daniel Veillard, Red Hat
• Libxml the GNOME XML Library
• Libxslt the GNOME XSLT Library
• External libraries: DOM gdome2 (libgdome), XMLSig xmlSec

Report : functionalities

• Completion of the XSLT library, EXSLT
• Implementation of XML Catalog
• XInclude
• Canonicalization C14N
• Thread support (Sun)
• Huge API: 870 functions

Report : The big picture

Report: portability and bindings

• Formal definition of the API in XML
• Python bindings, Pascal/Delphi users base
• Embedded systems, reuse of the trio library
• Official, maintained ports to Windows and Solaris
• Ports to MVS, VMS, MacOS, RiscOS,

Report: adoption outside of GNOME

• KDE Dokumentation
• DocBook community
• XFree86
• Large non-Unix user base
• Switch to the MIT Licence

Report: performances

• XML parser faster than expat, MSXML4 or Apache/IBM Xerces
• 1.2GHz Duron: SAX 16MB/s, DOM 6MB/s
• XSLT processor seems faster than MSXML4
• DOM through gdome2 is twice faster than Xerces DOM

Report: compliance

• Large internal testsuites for both XML and XSLT
• Compliance with the W3C/OASIS/NIST XML testsuite
• Awareness of the standardization work
• Beginning of an API testsuite based on Python

Roadmap: short term

• API extensions
• Validation: XML Schemas, RelaxNG, SAX validation
• Inverted SAX save
• Bindings to C#
• Evolution of XML and XML Namespace : 1.1
• Documentation and propaganda

Roadmap: long term

• libxml3 : ABI change, tree representation
• Dynamic tree and Database accessors
• Extensibility framework for node
• Discard deprecated calls

Catalogs: why, what and how

• From name to resources: a binding problem
• Description anchored in /etc/xml/catalog
• Requires distribution support
• SGML_CATALOG_FILES and XML_CATALOG_FILES

Questions and Answers