How to Ignore specifc element value using value-of - xslt

Below my input
<root>
<text>
<bold>Co<csc>lorado DivIs</csc>IoN</bold>
</text>
<text>
fi<csc>ve and a ha</csc>lf <x>abc</x>
</text>
</root>
Here is my xslt my implemntation (xslt verions-1.0)
<xsl:for-each select="/root/text">
<xsl:value-of select="./child::*[local-name(.)!='x']" />
<xsl:text> </xsl:text>
</xsl:for-each>
correct output look like below, should ignore only 'x' element value.
Colorado DivIsIoN five and a half
The output I am getting is with missing current element text.
Colorado DivIsIoN ve and a ha


Try it this way?
<xsl:template match="/">
<xsl:for-each select="root/text">
<xsl:for-each select=".//text()[not (parent::x)]">
<xsl:value-of select="." />
</xsl:for-each>
<xsl:text> </xsl:text>
</xsl:for-each>
</xsl:template>


try this
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html" encoding="UTF-8" indent="yes"/>
<xsl:template match="root">
<xsl:apply-templates select="#*|node()"/>
</xsl:template>
<xsl:template match="text/x"/>
<xsl:template match="#* | node()">
<xsl:apply-templates select="#* | node()"/>
</xsl:template>
<xsl:template match="text()">
<xsl:value-of select="."/>
</xsl:template>
</xsl:stylesheet>

Related

XMLT : replace values with values found in another xml

I have a file called ori.xml:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<container>
<elA>
<el1>value1</el1>
<el2>value2</el2>
</elA>
<elB>
<el3>value3</el3>
<el4>value4</el4>
<el5>value5</el5>
</elB>
<elC>
<el6>value5</el6>
</elC>
</container>
</root>
and another one called modifs.xml:
<?xml version="1.0" encoding="UTF-8"?>
<els>
<el2>newvalue2</el2>
<el5>newvalue5</el5>
</els>
and I would like to obtain result.xml:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<container>
<elA>
<el1>value1</el1>
<el2>newvalue2</el2>
</elA>
<elB>
<el3>value3</el3>
<el4>value4</el4>
<el5>newvalue5</el5>
</elB>
<elC>
<el6>value5</el6>
</elC>
</container>
</root>
I'm a beginner in XSLT.
So I started to write a stylesheet with which I'm able to change value2 into newvalue2:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:param name="fileName" select="'modifs.xml'" />
<xsl:param name="modifs" select="document($fileName)" />
<xsl:param name="updateEl" >
<xsl:value-of select="$modifs/els/el2" />
</xsl:param>
<xsl:template match="#* | node()">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="//elA/el2">
<xsl:copy>
<xsl:apply-templates select="$updateEl" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
But now I have to modify this stylesheet to be able to know which elements are in modifs.xml and find them in ori.xml. I don't know how to do that. Could you help please ?

I would use a key:
<xsl:key name="ref-change" match="els/*" use="local-name()"/>
<xsl:template match="*[key('ref-change', local-name(), $modifs)]">
<xsl:copy-of select="key('ref-change', local-name(), $modifs)"/>
</xsl:template>
However, using the third argument for the key function is only supported in XSLT 2 and later thus if you use an XSLT 1 processor you need to move the logic into the template, that requires using for-each to "switch" the context document
<xsl:template match="*">
<xsl:variable name="this" select="."/>
<xsl:for-each select="$modifs">
<xsl:choose>
<xsl:when test="key('ref-change', local-name($this))">
<xsl:copy-of select="key('ref-change', local-name($this))"/>
</xsl:when>
<xsl:otherwise>
<xsl:for-each select="$this">
<xsl:call-template name="identity"/>
</xsl:for-each>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
Put name="identity" on your identity transformation template.

Flattening with XSLT: I want to move one kind element one level

I have a XML file where elements B are inside elements A and I want to move them up. From:
<?xml version="1.0" encoding="utf-8"?>
<root>
<A>
<C>Text</C>
Text again
More text
<D>Other text</D>
<B>Text again</B>
<C>No</C>
<D>May be</D>
<B>What?</B>
</A>
<A>
Something
<B>Nothing</B>
<D>Again</D>
<B>Content</B>
End
</A>
</root>
I would like to have:
<?xml version="1.0" encoding="utf-8"?>
<root>
<A>
<C>Text</C>
Text again
More text
<D>Other text</D>
</A>
<B>Text again</B>
<A>
<C>No</C>
<D>May be</D>
</A>
<B>What?</B>
<A>
Something
</A>
<B>Nothing</B>
<A>
<D>Again</D>
</A>
<B>Content</B>
<A>
End
</A>
</root>
The closest XSLT program I have is this:
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
exclude-result-prefixes="xs" version="1.0">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="#* | node()">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="A">
<xsl:for-each select="*">
<xsl:choose>
<xsl:when test="name()='B'">
<xsl:apply-templates select="."/>
</xsl:when>
<xsl:otherwise>
<xsl:element name="A">
<xsl:apply-templates select="."/>
</xsl:element>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
It has two problems: it ignores text nodes (this is probably just a matter of adding |text() to the select="*") but, more important, it creates a element for each node while I would like them to stay together under one . For instance, the above stylesheet makes:
<A><C>No</C></A>
<A><D>May be</D></A>
where I want:
<A><C>No</C>
<D>May be</D></A>
In my XML files, are always direct children of , and there is no or nesting.
The main use case is producing HTML where UL and OL cannot be inside a P.
This question is related but not identical to xslt flattening out child elements in a DocBook para element (and may be also to Flatten xml hierarchy using XSLT
)

As I said in the comment to your question, this is not about moving elements up in hierarchy. It is about grouping nodes, and creating a new parent A element for each group determined by the dividing B element.
In XSLT 1.0 this can be achieved using a so-called sibling recursion:
XSLT 1.0
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:template match="/root">
<xsl:copy>
<xsl:apply-templates select="A"/>
</xsl:copy>
</xsl:template>
<xsl:template match="A">
<xsl:copy>
<xsl:apply-templates select="node()[1][not(self::B)]" mode="sibling"/>
</xsl:copy>
<xsl:apply-templates select="B[1]" mode="sibling"/>
</xsl:template>
<xsl:template match="node()" mode="sibling">
<xsl:copy-of select="." />
<xsl:apply-templates select="following-sibling::node()[1][not(self::B)]" mode="sibling"/>
</xsl:template>
<xsl:template match="B" mode="sibling">
<xsl:copy-of select="." />
<xsl:if test="following-sibling::node()[normalize-space()]">
<A>
<xsl:apply-templates select="following-sibling::node()[1][not(self::B)]" mode="sibling"/>
</A>
<xsl:apply-templates select="following-sibling::B[1]" mode="sibling"/>
</xsl:if>
</xsl:template>
</xsl:stylesheet>

An XSLT-1.0 solution - which is quite ugly - is the following. The output is as desired, but only for this simple MCVE. A general solution would be far more complicated as #michael.hor257k mentioned in the comments. Without more data it is unlikely to create a better solution in XSLT-1.0. Solutions for XSLT-2.0 and above may simplify this.
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/root">
<xsl:copy>
<xsl:for-each select="A">
<xsl:if test="normalize-space(text()[1])">
<A>
<xsl:copy-of select="text()[1]" />
</A>
</xsl:if>
<xsl:if test="preceding::*">
<xsl:copy-of select="B[1]" />
</xsl:if>
<A>
<xsl:copy-of select="C[1] | C[1]/following-sibling::text()[1] | D[1]" />
</A>
<xsl:if test="not(preceding::*)">
<xsl:copy-of select="B[1]" />
</xsl:if>
<A>
<xsl:copy-of select="C[2] | C[2]/following-sibling::text()[1]" />
<xsl:if test="D[2]">
<xsl:copy-of select="D[2]" />
</xsl:if>
</A>
<xsl:copy-of select="B[2]" />
<xsl:if test="normalize-space(text()[last()])">
<A>
<xsl:copy-of select="text()[last()]" />
</A>
</xsl:if>
</xsl:for-each>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Concerning the situation of
<A><C>No</C></A>
<A><D>May be</D></A>
It is handled appropriately in the above code. So its output is
<A>
<C>No</C>
<D>May be</D>
</A>

Easy in XSLT 2 or 3 with group-adjacent=". instance of element(B)" or group-adjacent="boolean(self::B)", here is an XSLT 3 example (XSLT 3 is supported by Saxon 9.8 or 9.9 on Java and .NET (https://sourceforge.net/projects/saxon/files/Saxon-HE/) and by Altova since 2017 releases):
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
exclude-result-prefixes="#all"
version="3.0">
<xsl:mode on-no-match="shallow-copy"/>
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="A">
<xsl:for-each-group select="node()" group-adjacent=". instance of element(B)">
<xsl:choose>
<xsl:when test="current-grouping-key()">
<xsl:apply-templates select="current-group()"/>
</xsl:when>
<xsl:otherwise>
<xsl:copy select="..">
<xsl:apply-templates select="current-group()"/>
</xsl:copy>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:template>
</xsl:stylesheet>
https://xsltfiddle.liberty-development.net/gWmuiKv
In XSLT 2 you need to spell out the <xsl:mode on-no-match="shallow-copy"/> as the identity transformation template and use xsl:element instead xsl:copy:
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:template match="#*|node()">
<xsl:copy>
<xsl:apply-templates select="#*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="A">
<xsl:for-each-group select="node()" group-adjacent=". instance of element(B)">
<xsl:choose>
<xsl:when test="current-grouping-key()">
<xsl:apply-templates select="current-group()"/>
</xsl:when>
<xsl:otherwise>
<xsl:element name="{name(..)}" namespace="{namespace-uri(..)}">
<xsl:apply-templates select="current-group()"/>
</xsl:element>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:template>
</xsl:transform>
http://xsltransform.hikmatu.com/pPqsHT2

Set position in xslt if variable equals

Can you set the position of a particular item in a for-each loop if the value equals something? I tried the below example but it didn't work:
<xsl:choose>
<xsl:when test='name = "Dining"'>
<xsl:value-of select="position()=1"/>
</xsl:when>
<xsl:otherwise>
[Normal position]
</xsl:otherwise>
</xsl:choose>
Dining will always appear at the top of the list and then the list will render as normal.

You haven't provided an example of your input XML, or shown exactly what you want to do with it, so I am guessing a bit. You could try something like this:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" omit-xml-declaration="yes"/>
<xsl:template match="#* | node()">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="root">
<xsl:copy>
<xsl:apply-templates select="Dining"/>
<xsl:apply-templates select="*[not(self::Dining)]"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
When applied to the following XML:
<root>
<Bathroom />
<Dining />
<Kitchen />
<Bedroom />
</root>
It produces:
<root>
<Dining />
<Bathroom />
<Kitchen />
<Bedroom />
</root>

Transform Exception. Adding Attribute after Sub-element

I have this XML:
<root>
<tab name="Detail">
<section name="mysection">
<items level="1">
<Idx_name>9</Idx_name>
<Type>mytype</Type>
<item name="myname">
<Grams um="(g)">9,0</Grams>
<Pre-infusion>Max</Pre-infusion>
</item>
<Std._Mode>On</Std._Mode>
<Price>100</Price>
</items>
</section>
</tab>
</root>
and this XSLT:
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="node()">
<xsl:copy>
<xsl:copy-of select="#*"/>
<xsl:apply-templates select="node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="items/*">
<xsl:choose>
<xsl:when test="not(name()='item')">
<xsl:attribute name="{name()}"><xsl:value-of select="."/></xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:copy>
<xsl:copy-of select="#*"/>
<xsl:value-of select="."/>
</xsl:copy>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
Now, what I want is:
<root>
<tab name="Detail">
<section name="mysection">
<items level="1" Idx_name="9" Type="mytype" Std._Mode="On" Price="100">
<item name="myname">9,0Max</item>
</items>
</section>
</tab>
</root>
I obtain the error: "An attribute cannot be added after a child"
Unluckily, I can not change the order of elements in the node items of my original XML
How can I do it ?
Thanks
Ivan

Make sure you process the elements first you want to transform into attributes e.g. with XSLT 2.0 where you can process sequences which have a order you can simply do
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:template match="#* | node()">
<xsl:copy>
<xsl:apply-templates select="#*, node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="items">
<xsl:copy>
<xsl:apply-templates select="#*, * except item, item"/>
</xsl:copy>
</xsl:template>
<xsl:template match="items/*[not(self::item)]">
<xsl:attribute name="{name()}" select="."/>
</xsl:template>
<xsl:template match="items/item">
<xsl:copy>
<xsl:apply-templates select="#*"/>
<xsl:value-of select="."/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
With XSLT 1.0 you would need to spell out several apply-templates in the order you want.

xslt to add default value where element doesn't exist

I'm struggling with trying to test to see if an element exists. If it doesn't, I'd like to add in a default value. Here's my XML
<records>
<record>
<InstanceData>
<instance>
<FirstName>Johhny</FirstName>
<LastName>Jenkins</LastName>
<AlbumCount>3</AlbumCount>
</instance>
</InstanceData>
</record>
<record>
<InstanceData>
<instance>
<FirstName>Art</FirstName>
<LastName>Tatum</LastName>
<AlbumCount>7</AlbumCount>
</instance>
</InstanceData>
</record>
<record>
<InstanceData>
<instance>
<FirstName>Count</FirstName>
<LastName>Basie</LastName>
</instance>
</InstanceData>
</record>
</records>
I'd like to be able to copy over existing values and set any record without the Album Count element to <AlbumCount>0</AlbumCount>. This is the xslt I've been working with but I think I'm some way off the mark.
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="Records">
<xsl:for-each select="node()">
<xsl:choose>
<xsl:when test="name()='AlbumCount'">
<xsl:element name="AlbumCount">
<xsl:choose>
<xsl:when test="name()='AlbumCount'">
<xsl:copy-of select=".">
</xsl:copy-of>
</xsl:when>
<xsl:otherwise>
<AlbumCount>0</AlbumCount>
</xsl:otherwise>
</xsl:choose>
</xsl:element>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select=".">
</xsl:copy-of>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
Thanks for looking.

Try this:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes" omit-xml-declaration="no"/>
<!-- identity template -->
<xsl:template match="#*|node()">
<xsl:copy>
<xsl:apply-templates select="#*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="instance[not(AlbumCount)]">
<xsl:copy>
<xsl:apply-templates select="#*|node()"/>
<AlbumCount>0</AlbumCount>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Start with the identity transformation, then just handle the exception differently.

You test for the existance of an element simply with the elements name, for example:
<xsl:if test="not(AlbumCount)">
<AlbumCount>0</AlbumCount>
</xsl:if>
The simpler way to do what you want is to use the standard copy template combined with a special rule for places where AlbumCount elements need adding:
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl">
<xsl:output method="xml" indent="yes"/>
<!-- Standard copy template -->
<xsl:template match="#* | node()">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
</xsl:copy>
</xsl:template>
<!-- Special template to add AlbumCount elements where required -->
<xsl:template match="records/record/InstanceData/instance">
<xsl:copy>
<xsl:apply-templates select="#* | node()"/>
<xsl:if test="not(AlbumCount)">
<AlbumCount>0</AlbumCount>
</xsl:if>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>