Subject: Re: [xsl] Test character immediately preceding node From: Dimitre Novatchev <dnovatchev@xxxxxxxxx> Date: Tue, 8 Oct 2013 14:50:02 -0700 |
The node, whose last character we are testing for being a whitespace, needs to be selected like this: preceding-sibling::node()[self::text()][1] And in case there is no such node, a new text node needs to be added, containing only a single space -- this can be easily done overriding the identity rule. Cheers, Dimitre On Tue, Oct 8, 2013 at 2:12 PM, David Sewell <dsewell@xxxxxxxxxxxx> wrote: > One strategy in XSLT 2.0 would be to test for the existence of a space at > the end of the preceding node and add a space if it's not there: > > <xsl:template match="unittitle"> > <xsl:copy><xsl:apply-templates/></xsl:copy> > </xsl:template> > > <xsl:template match="unitdate"> > <xsl:choose> > <xsl:when test="preceding-sibling::node()[1][matches(., '\s$')]"> > <xsl:value-of select="."/> > </xsl:when> > <xsl:otherwise> > <xsl:value-of select="concat(' ', .)"/> > </xsl:otherwise> > </xsl:choose> > </xsl:template> > > which will give you > > <unittitle>Statements 2001</unittitle> > <unittitle>Statements 2001</unittitle> > > but the following should accomplish the same thing with more concision and > is more robust as it will handle multiple spaces before <unitdate> if they > occur: > > <xsl:template match="unittitle"> > <xsl:copy> > <xsl:value-of select="string-join((normalize-space(text()), > unitdate), ' ')"/> > </xsl:copy> > </xsl:template> > > DS > > > On Tue, 8 Oct 2013, Nathan Tallman wrote: > >> Is it possible to test a character immediately preceding a node? I >> have an element with child-elements, my trouble is that sometimes >> there is a space before the child-element, sometimes not. For example >> I might have: >> >> <unittitle>Statements <unitdate>2001</unitdate></unittitle> >> or >> <unittitle>Statements<unitdate>2001</unitdate></unittitle> >> >> The XSLT that I'm forking from has instructions to insert a space >> before <unitdate>, which sometimes results in two spaces in the >> output. I'd like to use an xsl:choose to test for a space immediately >> preceding <unitdate>. Is this possible? I'm using XSLT 2.0. >> >> Thanks, >> Nathan >> >> > > -- > David Sewell, Editorial and Technical Manager > ROTUNDA, The University of Virginia Press > PO Box 400314, Charlottesville, VA 22904-4314 USA > Email: dsewell@xxxxxxxxxxxx Tel: +1 434 924 9973 > Web: http://rotunda.upress.virginia.edu/ > -- Cheers, Dimitre Novatchev --------------------------------------- Truly great madness cannot be achieved without significant intelligence. --------------------------------------- To invent, you need a good imagination and a pile of junk ------------------------------------- Never fight an inanimate object ------------------------------------- To avoid situations in which you might make mistakes may be the biggest mistake of all ------------------------------------ Quality means doing it right when no one is looking. ------------------------------------- You've achieved success in your field when you don't know whether what you're doing is work or play ------------------------------------- Facts do not cease to exist because they are ignored. ------------------------------------- Typing monkeys will write all Shakespeare's works in 200yrs.Will they write all patents, too? :) ------------------------------------- I finally figured out the only reason to be alive is to enjoy it.
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