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RE: xsl:if to find the existence of an element

• To: "'Phil Fuhlman'" <pfuhlman@D...>,<xml-dev@l...>
• Subject: RE: xsl:if to find the existence of an element
• From: Bill de hÓra <dehora@e...>
• Date: Wed, 10 Apr 2002 19:13:10 +0100
• Importance: Normal
• In-reply-to: <B83445050D0D6B4BAD2801F1585F9D6E7D8229@x...>

 
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When you've got one flag xslt's fine, for nested logic, use de
Morgan or SAX  ;)

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:template match="SendTaxRequest">
   <SendTaxRequest>
    <xsl:apply-templates/>
    <element name="TaxOutOfCountryFlag" 
       type="ebsidicString" 
       totalDigits="1" 
       value="N">
      <xsl:if test="TaxOutOfCountryFlag">
        <xsl:attribute name="value">Y</xsl:attribute>
      </xsl:if>
    </element>
   </SendTaxRequest>
  </xsl:template>

  <xsl:template match="TransactionNumber">
   <element name="TransactionIdentifier" 
      type="ebsidicString" 
      totalDigits="4" 
      value="TX03"/>
  </xsl:template>

  <xsl:template match="BusinessDayDate">
   <xsl:variable name="foo" select="current()"/>
   <element name="BusinessDayDate" 
     type="ebsidicString" 
     totalDigits="{string-length($foo)}" 
     value="{$foo}"/>
  </xsl:template>
</xsl:stylesheet>


> -----Original Message-----
> From: Phil Fuhlman [mailto:pfuhlman@D...] 
> Sent: 10 April 2002 17:37
> To: xml-dev@l...
> Subject: RE:  xsl:if to find the existence of an element
> 
> 
> With all due respect, and since you asked, IMHO, this may be 
> a good example of where XSL is *maybe* the wrong tool and you 
> may want to consider using a 'real programming language', ie. 
> anything from VBScript, JavaScript, Perl, Python on up to 
> C/C++, Fortran or Cobol.
> 
> "...when the only tool you have is a hammer, all of your 
> problems start to look like nails..."
> 
> But then again, I get this feeling anytime I hear/read "if" 
> and "XML transform" <lol>
> 
> </pff>
> 
> -----Original Message-----
> From: Vanam, Ravindar [mailto:Ravindar.Vanam@n...]
> Sent: Wednesday, April 10, 2002 11:33 AM
> To: xml-dev@l...
> Subject:  xsl:if to find the existence of an element
> 
> 
> Hi All,
> 
> Good Morning.
> 
> I am facing a problem in finding a way to solve the following
> problem.  
> 
> Problem Description:
> -----------------------
> I have an optional tag with no value associated in the XML 
> document. Only the existence & non existence of the tag matters
> E.g: 
> <?xml version="1.0" encoding="UTF-8"?>
> <SendTaxRequest>
> 	<TransactionNumber>12345</TransactionNumber>
> 	<BusinessDayDate>20020106</BusinessDayDate>
> 	<TaxOutOfCountryFlag/>
> </SendTaxRequest>
> 
> The Tag "TaxOutOfCountryFlag" is an optional tag.
> 
> The requirement is that I have to transform the above XML 
> document to another XML document considering the existence of 
> the optional field "TaxOutOfCountryFlag". like following..
> 
> 1. If "TaxOutOfCountryFlag" element exists the result should 
> be.... <?xml version="1.0"?> <SendTaxRequest>
> 	<element name="TransactionIdentifier" 
> type="ebsidicString" totalDigits="4" value="TX03"/>
> 	<element name="BusinessDayDate" type="date" 
> totalDigits="8" value="20020106"/>
> 	<element name="TaxOutOfCountryFlag" 
> type="ebsidicString" totalDigits="1" value="Y"/>
> </SendTaxRequest>  
> 
> 2. If "TaxOutOfCountryFlag" element does not exist the result 
> should be.... <?xml version="1.0"?> <SendTaxRequest>
> 	<element name="TransactionIdentifier" 
> type="ebsidicString" totalDigits="4" value="TX03"/>
> 	<element name="BusinessDayDate" type="date" 
> totalDigits="8" value="20020106"/>
> 	<element name="TaxOutOfCountryFlag" 
> type="ebsidicString" totalDigits="1" value="N"/>
> </SendTaxRequest>  
> 
> Note: the "value" attribute of "TaxOutOfCountryFlag" is changing.
> 
> Please suggest me how can I accomplish this problem. Any help 
> is greatly appreciated.
> 
> Thanks,
> Ravi
> 
> -----------------------------------------------------------------
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  • RE: xsl:if to find the existence of an element
    • From: "Phil Fuhlman" <pfuhlman@D...>

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