Subject: Re: [xsl] re: generation of qnames/prefixes in content and value [was xbind:module....] From: Jeni Tennison <mail@xxxxxxxxxxxxxxxx> Date: Sun, 4 Mar 2001 11:07:50 +0000 |
Hi Curt, >> Without the ability to specify prefixes, then an XSLT stylesheet >> which generates an XSLT stylesheet will be unable to declare script >> items. Right? Or am I missing something again? > > Actually, as far I can tell, it would also prevent the generation of > any XML application that used qualified names in contexts other than > tag or attribute names. For example, XML Schema uses attribute > values containing QNames to refer to types or elements defined in > other schemas (for example, base="xsd:double") and XSLT 1.1 uses > QNames to refer to extension behavior in expressions (i.e. > ="{date:format(@date)}" You and Clark make a good point about the use of prefixes (and qualified names) in generated attribute values (or text nodes). However, I don't think it's a problem as long as the namespaces that you use are declared in the stylesheet. If you have a namespace declared in the stylesheet, then any namespace nodes on a particular literal result element or xsl:element are copied to the result tree (modulo ones that you exclude with extension-element-prefixes and exclude-result-prefixes). For example, if I have my stylesheet: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xsd="http://www.w3.org/2000/10/XMLSchema" xmlns:my="my-namespace"> <xsl:template match="/"> ... <xsd:element name="foo" type="my:string" /> ... </xsl:template> </xsl:stylesheet> Then the namespace nodes for 'xsd' and 'my' prefixes are copied onto the xsd:element element, so the namespace declaration for the 'my' namespace will be present in the output, and the value 'my:string' will be resolved as it should be. Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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