RE: Deleting a node depending on contents of a grandfa

G'day Dion,

'Nodes which do not have that from date will
not be copied.' yep.
Ie if from=$vardate do not copy across. In your example XML below you
are copying across where from=$vardate, rather than the reverse.

Ie
if $vardate="20030103" you should get this
node in the output:

<absent type="C">
	<to>20030921</to>
	<from>20030901</from>
</absent>

But not this one:

<absent type="D">
	<to>20030801</to>
	<from>20030103</from>
</absent>

salud

John

Howdy!

I may be confused or you may be... let's figure out which :)

Once again, let's not think of this as deleting a node, but rather as
copying nodes...  In my case, you are copying those nodes which have a
from with a certain date.  Nodes which do not have that from date will
not be copied.

In your example XML below, if $vardate="20030103" you should get this
node in the output:

<absent type="D">
	<to>20030801</to>
	<from>20030103</from>
</absent>

But not this one:

<absent type="C">
	<to>20030921</to>
	<from>20030901</from>
</absent>

Is that what you expect?

Dion



-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of John Reid
Sent: Wednesday, July 30, 2003 3:12 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE:  Deleting a node depending on contents of a
grandfather attribute and a child node

G'day Dion,
I understand the logic of what u say but I am confused a little
Should this statement
      <xsl:apply-templates select="absent[from=$vardate]"/>
 be
      <xsl:apply-templates select="absent[not(from=$vardate)]"/>
And
<xsl:template match="/"> I am not sure which node it would match to and
what it achieves

Salud

john
Hey John:

Keep in mind in XSLT that you don't delete nodes, you fail to copy them
to the output tree.  This is more than a semantic distinction, as it
suggests a different approach.

What you should do here is move the logic of whether to copy the nodes
to the appropriate parent and then apply templates on those nodes...
i.e.

<xsl:template match="/"> <!-- if this is the parent of parent nodes -->
   <xsl:apply-templates select="parent[@pword=$varpword]"/>
</xsl:template>

<xsl:template match="absentia">
   <xsl:copy>
      <xsl:apply-templates select="absent[from=$vardate]"/>
   </xsl:copy>
</xsl:template>

HTH!

Dion

-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of John Reid
Sent: Wednesday, July 30, 2003 1:27 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject:  Deleting a node depending on contents of a grandfather
attribute and a child node

Could I put this q up again?
:o)
i have tried a number of approaches but with various but not correct
results. I want to delete the absent node (and everything below it)
where $vardate = from and @pword $varpword.

Starting with:
<player pword='82345'>
<absentia>
<absent type="C">
	<to>20030921</to>
	<from>20030901</from>
</absent>
<absent type="D">
	<to>20030801</to>
	<from>20030103</from>
</absent>
</absentia>
<player>

ending with:
<player pword='82345'>
<absentia>
<absent type="D">
	<to>20030801</to>
	<from>20030103</from>
</absent>
</absentia>
<player>

tried this (along with about 10 variations):

<xsl:param name="vardate" select="0" />
<xsl:param name="varpword" select="0" />

<xsl:template match="@*|node()">
<xsl:copy>
    <xsl:apply-templates select="@*|node()"/>
  </xsl:copy>
</xsl:template>

<xsl:template match="absent">
    <xsl:variable name="date1" select="./from"/>
    <xsl:variable name="pword" select="ancestor::@pword"/>
    <xsl:copy>
      <xsl:apply-templates select="@*|node()[not($date1 = $vardate and
$pword = $varpword)]"/>
  </xsl:copy>
</xsl:template>


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