Nic Miloslav Example 25 | KEYWORDS EXAMPLES AUTHORS |
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Sometimes you want to output an element only if it has a value.
Stylesheet 1 shows a way how to do it. Function normalize-space removes unsignificant spaces. Stylesheet 2 shows the output without empty elements removal.
XML | HOME XSL 1 XSL 2 |
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<xslTutorial > |
<table> |
<item> item 1 </item> |
<item> item 2 </item> |
<item></item> |
<item> </item> |
<item> item 3</item> |
</table> |
</xslTutorial> |
XSL 1 | HOME XML HTML 1 OUTPUT 1 |
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<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' > |
<xsl:template match="table"> |
<TABLE BORDER='1'> |
<xsl:for-each select="item"> |
<xsl:apply-templates select="."/> |
</xsl:for-each> |
</TABLE> |
</xsl:template> |
<xsl:template match="item"> |
<xsl:variable name="tmp"> <xsl:value-of select="."/></xsl:variable> |
<xsl:if test="boolean(normalize-space($tmp))"> |
<TR><TD><xsl:value-of select="$tmp"/></TD></TR> |
</xsl:if> |
</xsl:template> |
</xsl:stylesheet> |
HTML 1 | HOME XML XSL 1 OUTPUT 1 |
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<HTML> |
<HEAD> </HEAD> |
<BODY> |
<TABLE BORDER="1"> |
<TR> |
<TD> item 1 </TD></TR> |
<TR> |
<TD> item 2 </TD></TR> |
<TR> |
<TD> item 3</TD></TR></TABLE> </BODY> </HTML> |
OUTPUT 1 | HOME XML XSL 1 HTML 1 |
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item 1 |
item 2 |
item 3 |
XSL 2 | HOME XML HTML 2 OUTPUT 2 |
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<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform' > |
<xsl:template match="table"> |
<TABLE BORDER='1'> |
<xsl:for-each select="item"> |
<xsl:apply-templates select="."/> |
</xsl:for-each> |
</TABLE> |
</xsl:template> |
<xsl:template match="item"> |
<TR><TD><xsl:value-of select="."/></TD></TR> |
</xsl:template> |
</xsl:stylesheet> |
HTML 2 | HOME XML XSL 2 OUTPUT 2 |
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<HTML> |
<HEAD> </HEAD> |
<BODY> |
<TABLE BORDER="1"> |
<TR> |
<TD> item 1 </TD></TR> |
<TR> |
<TD> item 2 </TD></TR> |
<TR> |
<TD/></TR> |
<TR> |
<TD> </TD></TR> |
<TR> |
<TD> item 3</TD></TR></TABLE> </BODY> </HTML> |
OUTPUT 2 | HOME XML XSL 2 HTML 2 |
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item 1 |
item 2 |
item 3 |