I've just released the initial version of XPath Methods, arbitrarily set at 0.7. XPath Methods is a Zope product that glues FourThought's 4XPath to ParsedXML, so that you can send XPath queries to ParsedXML XML documents.

Class::XPath is a Perl module which adds XPath-style matching to your object trees. This means that you can find nodes using an XPath-esque query with match() from anywhere in the tree.

The XSL transformation is a powerful way of visualizing XML. The presence of extension objects makes it even more powerful. However it turns out that extension objects are very limited.

An application to visualize XPath Queries

There are currently two XPath products to use with Zope. Each of these solutions is based on the 4Suite XPath processor and require installation of the 4Suite tools.

This is an advanced version of the good XPath Analyzer done by Enrico Elizar Samuel. Advanced XPath Analyzer has been re-written in C# and supports namespaces resolution and navigation.

This is the main report generator for Tkfp. It is based on XPATH, a method of extracting information from XML databases. We use it to produce accounting reports.

This is follow-up article for my “Simple XSLT & XPath grouping” article. This time I demonstrate bit more effective way to do the grouping and also how to utilize Muenchian grouping technique.

A posting from Bob McWhirter announces the availability of Jaxen Version 1.0-beta-4. With development hosted on SourceForge, the Jaxen project is developing a Java XPath Engine.

XPath Analyzer is an attempt to build a query analyzer for XPath language, accessible over the Internet. XPath is a very efficient language to address specific nodes in an XML document.

XPath is a powerful yet simple way to navigate and retrieve data from an XML document. Here's a quick overview.

The SAXPath project is a Simple API for XPath. Probably the most useful thing to do with SAXPath is to use it in conjunction with Jaxen: Java XPath Engine.

The SAXPath project is a Simple API for XPath. SAXPath is analogous to SAX in that the API abstracts away the details of parsing and provides a simple event based callback interface.

If you're a power user or developer familiar with Microsoft Access (or other products that use the Microsoft Jet database engine), you probably think of the SQL language when thinking about queries.

The XML Query Working Group and the XSL Working Group have released nine Working Drafts. Six are in Last Call through 15 February 2004. Comments on all of these documents are invited. Visit the XML home page.

XPath is a language for addressing parts of an XML document, used most commonly by XSLT. There are various APIs for processing XPath. For the purposes of this article I will use the open source Jaxen API. Jaxen is a Java XPath engine that supports many XML parsing APIs, such as SAX, DOM4J, and DOM. It also supports namespaces, variables, and functions.

faassen seems to be in the driving seat. Apparently XPath code works fine with parsedXML. All that needs to happen is a read-only DOM-2 adapter for most zope objects which I believe he is working on.

Calvin Yu presents a simple trick for easily doing assertions on large object graphs in JUnit.

Finding a node is useful but often you will want to select all nodes matching a pattern. For example, a web spider will want to select all links in a HTML page.

XPath Visualizer is graphical Java tool allowing execution and visualization of XPath expressions in an XML document. The XML document is displayed as a tree, and you can easily browse it and choose the XPath context node.