Subject: XPath query to recurse up the tree From: Ian Sutton <ian.sutton@xxxxxxxxxxx> Date: Thu, 17 Aug 2000 14:58:44 +0100 |
Am I missing something, or is the current definition of XPath queries (or whatever the current name is) limited to recursion down the tree? As an example, consider an XML document representing a file system with <directory> nodes which can contain either <file> nodes or further <directory> nodes. (Case I have is actually nothing to do with filesystems but this seems the simplest way to represent the issue.) Given a current context of a directory, I could find all child file nodes recursively with <xsl:apply-templates select=".//file" /> and a corresponding template rule. I have a case where my <directory> nodes have certain additional attributes (lets say optional TYPE=something) and I wish to find the first parent which has say TYPE=X. Is there any way to do this? I kind of half guess it may be possible to do something like a recursive call with an apply templates select=".." mode="myUpwardRecursion" and write a specific template match rule which tests the attribute and either returns or recurses up, but this seems fairly painful if indeed it would work at all. Any answers/ideas gratefuly received ;-> Ian XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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