Subject: Re: [xsl] xsl/xslt coding standard From: Steve Ball <Steve.Ball@xxxxxxxxx> Date: Mon, 19 Aug 2002 10:44:37 +1000 |
If exclude-result-prefixes works OK, why introduce something new?
exclude-result-prefixes doesn't work OK, or at least it doesn't work OK if (a) you want to put documentation *within* templates and (b) you don't want to have to nest it inside an instruction that guarantees it won't be processed [such as an xsl:if test="false()" or an xsl:for-each select="/.."].
How about another approach to the problem? Generalise the whitespace stripping process to also strip nominated elements? This may even have the benefit of improving runtime performance by not having to skip over embedded documentation elements during processing.
Proposal: In addition to <xsl:strip-space>, allow <xsl:strip-nodes> This element requires a 'select' attribute. Any node matching the XPath expression given by the 'select' attribute is stripped from the stylesheet, including its descendants. The default value is 'processing-instruction()| text()[string-length(normalize-space()) = 0]'. xsl:strip-space and xsl:preserve-space modify the nodes to be stripped in the obvious manner.
For example, to specify that embedded DocBook elements get stripped:
<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' xmlns:doc='http://www.docbook.org/documentation/1.0'>
<xsl:template match='/'> <p>This appears in the result</p> <doc:book xmlns=''> <title>Embedded Doco</title> <p>This does not appear in the result</p> </doc:book> </xsl:template>
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