I am having a problem with writing an XSL Transform. Please help.
Note: I know this a long post but I wanted to provide as must detail as
possible. Any help would be appreciated. (Just started writing my
first transform yesterday and no one at my company knows this stuff.)
Assume I have the following XML:
<P C="P" O="1" >
<E C="P_E1" O="1" W='True'>
<A C="P_E1A1" V="1" />
<A C="P_E1A1" V="2" />
</E>
<E C="P_E10" O="13" W='True'>
<A C="P_E10A1" V="25" />
<A C="P_E10A1" V="26" />
<E C="P_E10E1" O="13_1" W='True'>
<A C="P_E10E1A1" V="25_1" />
<A C="P_E10E1A1" V="26_1" />
<E C="P_E10E1E1" O="13_1_1" W='True'>
<A C="P_E10E1E1A1" V="25_1_1" />
<A C="P_E10E1E1A1" V="26_1_1" />
</E>
</E>
</E>
<E C="P_E11" O="13" >
<A C="P_E11A1" V="25" />
<A C="P_E11A1" V="26" />
<E C="P_E11E1" O="13_1" W='True'>
<A C="P_E11E1A1" V="25_1" />
<A C="P_E11E1A1" V="26_1" />
<E C="P_E11E1E1" O="13_1_1" W='True'>
<A C="P_E11E1E1A1" V="25_1_1" />
<A C="P_E11E1E1A1" V="26_1_1" />
</E>
</E>
</E>
<E C="P_E12" O="14" >
<A C="P_E12A1" V="27" />
<E C="P_E12E1" O="15" W='True'>
<A C="P_E12E1A1" V="27_1" />
</E>
</E>
</P>
High-level Requirements:
Basically, I need to get all of the nodes where the attribute
W='True". These nodes need to be grouped together with the parent
element tag, plus attributes, that does not have a W attribute.
More Detail:
I need to merge this information into an existing system.
The W="True" indicates that the Entity (E) is a new element.
If an Entity (E) has an attribute of W="True" all child Entities
(E) will also have a W="True". (If the parent is new, all children,
grandchildren and etc are new as well.)
I need the parent element to reference the exiting item to merge in all
of the new Entities.
Here is what I have so far:
<?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" encoding="UTF-8" />
<xsl:template match="/">
<root>
<!-- Get IsNew Entities Plus Parent-->
<IsNewPlusParent>
<!-- Get all entities which are new plus thier parents -->
<xsl:apply-templates select="//P [E[@W='True']] | //E
[E[@W='True']]" mode="IsNewPlusParent"/>
</IsNewPlusParent>
</root>
</xsl:template>
<!-- IsNew Plus Parent Template(s) - Start-->
<xsl:template match="P|E" mode="IsNewPlusParent">
<!-- Print P or E (parent of new entities element-->
<xsl:element name="{local-name()}">
<!-- Add all attributes to the element-->
<xsl:for-each select="@*">
<xsl:copy-of select="."/>
</xsl:for-each>
<!-- Add all E nodes that are new-->
<xsl:for-each select="child::E [@W='True']">
<xsl:copy-of select="."/>
</xsl:for-each>
</xsl:element>
</xsl:template>
<!-- IsNew Plus Parent Template(s) - End-->
</xsl:stylesheet>
The problem with the above code is that it processes not only the
existing parent but all of parents.
Here is the output I would like:
<root>
<IsNewPlusParent>
<P C="P" O="1">
<E C="P_E1" O="1" W="True">
<A C="P_E1A1" V="1" />
<A C="P_E1A1" V="2" />
</E>
<E C="P_E10" O="13" W="True">
<A C="P_E10A1" V="25" />
<A C="P_E10A1" V="26" />
<E C="P_E10E1" O="13_1" W="True">
<A C="P_E10E1A1" V="25_1" />
<A C="P_E10E1A1" V="26_1" />
<E C="P_E10E1E1" O="13_1_1" W="True">
<A C="P_E10E1E1A1" V="25_1_1" />
<A C="P_E10E1E1A1" V="26_1_1" />
</E>
</E>
</E>
</P>
<E C="P_E11" O="13">
<E C="P_E11E1" O="13_1" W="True">
<A C="P_E11E1A1" V="25_1" />
<A C="P_E11E1A1" V="26_1" />
<E C="P_E11E1E1" O="13_1_1" W="True">
<A C="P_E11E1E1A1" V="25_1_1" />
<A C="P_E11E1E1A1" V="26_1_1" />
</E>
</E>
</E>
<E C="P_E12" O="14">
<E C="P_E12E1" O="15" W="True">
<A C="P_E12E1A1" V="27_1" />
</E>
</E>
</IsNewPlusParent>
</root>
Again, thank you reading this. Any help would be appreciated.
