Question

XSL Loop and incrementing variable

Asked by: ste_89

We are using Oracle XML Publisher to generate PDF formatted Purchase Order Reports. We have tried Oracle Support, but haven't got anywhere, hence trying here...

As part of this work, we have hit a problem.

Part of the XML contains the following data:


<PO_DATA>
    <LINE_ATTACHMENTS>
        <TEXT> Telephone Number=6955_1 </TEXT>
        <ID>765923</ID>
        <TEXT> Telephone Number=6955_2 </TEXT>
        <ID>765924</ID>
        <TEXT>Telephone Number=6955_3</TEXT>
        <ID>765925</ID>
    </LINE_ATTACHMENTS>
</PO_DATA>


What we want to do is to loop through the values in the <LINE_ATTACHMENTS> tag, and output the Text Value.

If we try the following snippet:


<?/PO_DATA/LINE_ATTACHMENTS/TEXT[3]?>


Then when we view the output, the XSL will always display the value of the 3rd iteration of the <TEXT> tag.

That's okay - but we don't want to hard code the [3] value. We want instead for the number there to be the row count that is currently being used.

We have tried this:


<?/PO_DATA/LINE_ATTACHMENTS/TEXT["row:position()]?>


But a long error message was returned.

Basically, we want to increment a variable for each loop through the data, and output the value of that incremented variable in the square brackets as detailed above.

Can this be done?

Thanks

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Asked On
2007-03-29 at 03:32:52ID22479849
Tags

loop

,

xsl

,

variable

,

increment

Topics

Extensible Stylesheet Language Transformation (XSLT)

,

Oracle 3rd Party Tools

,

Extensible Markup Language (XML)

Participating Experts
2
Points
250
Comments
6

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    Answers

     

    by: GertonePosted on 2007-03-29 at 03:36:35ID: 18814821

    try
    <?/PO_DATA/LINE_ATTACHMENTS/TEXT[position()=last()]?>

     

    by: ste_89Posted on 2007-03-29 at 03:41:45ID: 18814837

    It just returns the last value when I try that (Telephone Number=6955_3<)

    what I would like to do is display each one. Thanks.

     

    by: GertonePosted on 2007-03-29 at 03:51:32ID: 18814885

    In XSLT I would do something like this

    <xsl:for-each select="/PO_DATA/LINE_ATTACHMENTS/TEXT"/>
    ...

    but I don't know how to do that in the Oracle syntax

    cheers

    Geert

     

    by: ste_89Posted on 2007-03-29 at 04:31:17ID: 18815042

    Thanks Geert,

    I found this by debugging an Oracle document. I've got to try and figure out how to get it into the RTF doc that XML publisher uses. Failing that, I will have to just modifiy the XSL that template builder produces.
    Can you see what's going on here?

    Cheers,


    - <xsl:for-each select="$LINE_LONG_ATTACHMENTS_ROOT_OBJ">
    - <xsl:if test="$lineID = .">
      <xsl:variable name="line" select="position()" />
      <xsl:value-of select="../TEXT[$line]" />
      <fo:block />
      </xsl:if>
      </xsl:for-each>

     

    by: jkmyoungPosted on 2007-03-30 at 08:12:44ID: 18823999

    If you could show where the variables $line, and $LINE_LONG_ATTACHMENTS_ROOT_OBJ, and $lineID are declared it would help.

    Suggestion:
    change this line from:
    <xsl:value-of select="../TEXT[$line]" />

    to:
    <xsl:for-each select="../TEXT">
    <xsl:value-of select="."/>
    </xsl:for-each>

     

    by: ste_89Posted on 2007-04-02 at 06:31:49ID: 18836115

    Thanks jkmyoung....it did the trick.

    20120131-EE-VQP-002

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