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Posted to dev@xalan.apache.org by "Joe Kesselman (JIRA)" <xa...@xml.apache.org> on 2004/11/11 18:58:31 UTC
[jira] Commented: (XALANJ-1989) Support for DOM Level 3 XPath APIs for an XML parser
[ http://nagoya.apache.org/jira/browse/XALANJ-1989?page=comments#action_55361 ]
Joe Kesselman commented on XALANJ-1989:
---------------------------------------
Sanity-check: Describing this as a parser-support API might be misleading.
The DOM3 XPath Working Note says "In a DOM implementation which supports the XPath 3.0 feature, as described above, the XPathEvaluator interface will be implemented on the same object which implements the Document interface" -- but that is not intended to preclude creating stand-alone implementations of XPathEvaluator for use with any DOM (whether it has built-in support for that feature or not).
So: While we want to facilitate the use of Xylem to provide built-in XPath support for DOM implementations, we probably also want to provide a stand-alone XPathEvaluator wrapper.
> Support for DOM Level 3 XPath APIs for an XML parser
> ----------------------------------------------------
>
> Key: XALANJ-1989
> URL: http://nagoya.apache.org/jira/browse/XALANJ-1989
> Project: XalanJ2
> Type: New Feature
> Reporter: Brian Minchau
>
> This feature is opened to track support for the DOM Level 3 XPath APIs.
> See http://www.w3.org/TR/2004/NOTE-DOM-Level-3-XPath-20040226/
> The support is intended only for use by an XML parser.
> An XML parser should create an instance of an object that implements the interface org.w3c.dom.xpath.XPathEvaluator. The implementation of this interface should be provided by a particular class, such as XPathEvaluatorImpl. The XML parser should created an instance of this class but refer to the created object through a reference as an XPathEvalutor object. The XPathEvaluator and other objects obtained through this interface should also to be refered to via the vendor neutral references:
> org.w3c.dom.xpath.XPathException
> org.w3c.dom.xpath.XPathEvaluator
> org.w3c.dom.xpath.XPathExpression
> org.w3c.dom.xpath.XPathNSResolver
> org.w3c.dom.xpath.XPathResult
> org.w3c.dom.xpath.XPathNamespace
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