Subject: RE: generate an element only if the result is not empty
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Tue, 25 Aug 2009 10:56:52 +0100
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The whitespace in your output is a copy of the inter-element whitespace from
your input, so your simplest solution is to remove it from the input using
<xsl:strip-space elements="seg"/>
The alternative would be to do something like
<xsl:apply-templates select="text()[normalize-space()]"/>
Regards,
Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay
> -----Original Message-----
> From: Manuel Souto Pico [mailto:manuel.souto@xxxxxxxxxxxxxx]
> Sent: 25 August 2009 10:11
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: generate an element only if the result is not empty
>
> Hello!
>
> Again I have a doubt with generating empty elements. Here by
> empty I mean that the element only contains whitespace
> (\s|\t|\r|\n). I hope you can provide some help.
>
> I use this spreadsheet
> view-source:http://xtek-solutions.net/burgundyridge/Viz/XML_TM
> /XLF_XLIFF_schemas/TMXtoTBX.xsl
>
>
> to turn omething like this
>
> <tu>
> <tuv xml:lang="es-es" changedate="20090824T155642Z"
> changeid="Transit">
> <seg>
> <it></Title></it>
> <bpt i="1" type="struct"><Elt type='Groupbox'
> id='242' coor='0,0,412,112' style='50020007,0'
> class='#FF#0080'></bpt>
> </seg>
> </tuv>
> </tu>
>
> into
>
> <termEntry>
> <langSet xml:lang="es-es">
> <ntig>
> <termGrp>
> <term>
>
> </term>
> </termGrp>
> </ntig>
> </langSet>
> </termEntry>
>
> The template (using select="node()" and not select=".")
>
> <xsl:template match="seg">
> <term>
> <xsl:value-of select="node()" />
> </term>
> </xsl:template>
> </xsl:stylesheet>
>
> is well suited for the data that I have, as the output <term> element
> will only have content when the source element <seg> has text
> only (e.g.
> <seg>text</seg>), which is what I want, that is, I wouldn't want a
> <term> element with the content of the <seg> element you can
> see above
> (<it>, <bpt>, etc.). However a drawback of it is that empty
> elements are
> generated. In the example I provide above I would like to avoid
> generating the whole <termEntry> element if the <term> is
> only going to
> contain whitespace.
>
> I've tried using strip-space, but that affects the source, not the
> output. I've also found a template called copy-unless-empty
> (http://www.dpawson.co.uk/xsl/sect2/N3328.html#d4887e64),
> which is what
> I need, I guess, but I don't know how to use it (I've tried but...).
>
> If you could understand what I need ;) and you know how to
> help, could
> you drop a line?
>
> I'm using Saxon6.5.5 with XPath 1.0 in <oXygen/> XML editor.
>
> Thank you so much in advance for your help!
>
> Cheers, Manuel
>
> The whole sample files:
>
> ___SOURCE DATA___
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <!DOCTYPE tmx SYSTEM "tmx14.dtd">
> <!-- Transit TMX document -->
> <tmx version="1.4">
> <header creationtool="Transit NXT" creationtoolversion="4.0"
> datatype="Transit" segtype="block" adminlang="en" srclang="en-us"
> o-tmf="Transit" creationdate="20090824T155634Z" creationid="MS9"
> o-encoding="Unicode">
> <prop type="Project" />
> </header>
> <body>
> <tu>
> <prop
> type="FileFormatGUID">{1F8A6315-CDF7-4164-BE09-C4821791D320}</prop>
> <prop type="Filename">DicAdmin_ENG</prop>
> <tuv xml:lang="en-us" changedate="20090812T170437Z"
> changeid="Transit">
> <seg>Data record structure</seg>
> </tuv>
> <tuv xml:lang="es-es" changedate="20090505T095118Z"
> changeid="CV2" creationdate="20090416T102716Z" creationid="MS9">
> <seg>Estructura del registro de datos</seg>
> </tuv>
> </tu>
> <tu>
> <prop
> type="FileFormatGUID">{1F8A6315-CDF7-4164-BE09-C4821791D320}</prop>
> <prop type="Filename">DicAdmin_ENG</prop>
> <tuv xml:lang="en-us" changedate="20090824T155641Z"
> changeid="Transit">
> <seg>
> <it></Title></it>
> <bpt i="1" type="struct"><Elt type='Groupbox'
> id='242' coor='0,0,412,112' style='50020007,0'
> class='#FF#0080'></bpt>
> </seg>
> </tuv>
> <tuv xml:lang="es-es" changedate="20090824T155642Z"
> changeid="Transit">
> <seg>
> <it></Title></it>
> <bpt i="1" type="struct"><Elt type='Groupbox'
> id='242' coor='0,0,412,112' style='50020007,0'
> class='#FF#0080'></bpt>
> </seg>
> </tuv>
> </tu>
> </body>
> </tmx>
>
>
> ___OUTPUT___
>
> <?xml version="1.0" encoding="UTF-8"?>
>
> <!DOCTYPE martif
> PUBLIC "ISO 12200:1999A//DTD MARTIF core (DXFcdV04)//EN"
> "TBXcdv04.dtd">
> <martif xml:lang="" type="TBX">
> <martifHeader>
> <fileDesc>
> <sourceDesc>
> <p>Generated with TMX2TBX4TermStarNXT_noDupl.xsl</p>
> </sourceDesc>
> </fileDesc>
> <encodingDesc>
> <p type="DCSName"/>
> </encodingDesc>
> </martifHeader>
> <text>
> <body>
>
>
>
>
>
> <termEntry id="">
> <langSet xml:lang="en-us">
> <ntig>
> <termGrp>
> <term>Data record structure</term>
> </termGrp>
> </ntig>
> </langSet>
> <langSet xml:lang="es-es">
> <ntig>
> <termGrp>
> <term>Estructura del registro de datos</term>
> </termGrp>
> </ntig>
> </langSet>
> </termEntry>
>
> <termEntry id="">
> <langSet xml:lang="en-us">
> <ntig>
> <termGrp>
> <term>
>
> </term>
> </termGrp>
> </ntig>
> </langSet>
> <langSet xml:lang="es-es">
> <ntig>
> <termGrp>
> <term>
>
> </term>
> </termGrp>
> </ntig>
> </langSet>
> </termEntry>
>
>
> </body>
> </text>
> </martif>
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