xslt - Validating xml attribute value with dynamic length -

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i have following xml part:

<column customerfield="title" companyfield="2241"          datatype="alphanumeric" length="17"          customervalue="manager sales compensation head office"          companyvalue="manager sales compensation head office"          remark=""/>

i check xslt 2.0 customervalue doesn't exceed specified length (that present in xml).

what have far this

<xsl:template match="column[@companyfield='2241' , @datatype='alphanumeric' , @companyvalue[string-length()>number(@length)]]">     <xsl:copy>         <xsl:apply-templates select="@*"/>             <xsl:attribute name="companyvalue">                 <xsl:value-of select="substring(@customervalue,1,17)"/>             </xsl:attribute>         <xsl:attribute name="remark">string value long.</xsl:attribute>     </xsl:copy> </xsl:template>

at first used '>@length' changed 'number(@length)' thinking might interpreted string didn't help. when change 'number(@length)' or '@length' fixed number let's 17 works.

any ideas welcome.

when number(@length) evaluated, in context of companyvalue attribute. looking length attribute on companyvalue attribute, not company element.

you need this...

column[@companyfield='2241'         , @datatype='alphanumeric'         , @companyvalue[string-length() > number(../@length)]]

or maybe this...

column[@companyfield='2241'         , @datatype='alphanumeric'         , string-length(@companyvalue) > number(@length)]

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