Subject: [xsl] XSLT variables and for-each loop From: Oleg Konovalov <olegkon@xxxxxxxxx> Date: Fri, 13 May 2005 10:42:11 -0400 |
Hi, I am new to XSLT, trying to significantly modify somebody else's XSL. That is not 2.0. I need to create min & max variable(s) to be used in many templates and sub-templates based on certain conditions (not always). It can't be calculated at the beginning of the file (depends on other variables), so seems like it has to be made local variable(s). Since it's not easy to calculate (20-50 lines of code each) probably makes sense to make a template out of it. What I don't know is: 1) how to make template to return a value, something like [that's not XSLT 2.0]: <xsl:variable min><call-template name="calculate-min"/></xsl:variable> 2) how to declare a global variable and then assign it much later in the code; 3) Also, it there a way to compare a node value with a previous value within a for-each loop like (to find a max value of the nodes): <xsl:for-each mystruct/mystuct1> <xsl:if test="position() > 1 and var2 > var2(position()-1)">...do something... </xsl:if> </xsl:for-each> Would that work ? 4) Can I get access to a value from another branch from within for-each (where var2 and var3 are "brothers")? Imagine you have an XML tree which has the structure like: mystruct/myvar1[i]/myvar/var2 and mystruct/myvar2[i]/myvar/var3 I need to compare the values of them for the same index "i". Can I do it in for-each loop like that: <xsl:for-each mystruct/myvar1[i]/myvar> <xsl:if test="number(var2) > number(../../myvar2[i]/myvar/var3)"> ...do something... </xsl:if> </xsl:for-each>) Any help is very appreciated. Thank you in advance, Oleg
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