Hi Andreas,
The easiest way to deal with this is with recursion:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="text"/>
<xsl:template match="logging">
<xsl:if test="child::target[1]">
<xsl:call-template name="output-targets">
<xsl:with-param name="nodes" select="child::target"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template name="output-targets">
<xsl:param name="nodes"/>
<xsl:param name="pos" select="1"/>
<xsl:param name="value" select="1"/>
<xsl:choose>
<xsl:when test="$nodes[$pos]">
<xsl:text>public static final int </xsl:text>
<xsl:value-of select="translate($nodes[$pos]/@name,
'abcdefghijklmnopqrstuvwxyz',
'ABCDEFGHIJKLMNOPQRSTUVWXYZ')"/>
<xsl:text> = </xsl:text>
<xsl:value-of select="$value"/>
<xsl:text>;
</xsl:text>
<xsl:call-template name="output-targets">
<xsl:with-param name="nodes" select="$nodes"/>
<xsl:with-param name="pos" select="$pos + 1"/>
<xsl:with-param name="value" select="$value * 2"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:text>public static final int ALL = </xsl:text>
<xsl:value-of select="$value"/>
<xsl:text>;
</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
-----Original Message-----
From: Andreas Mecky [mailto:andreasmecky(_at_)yahoo(_dot_)de]
Sent: 22 January 2003 09:06
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] calculating pow of numbers and a final sum
Hello everybody,
I am kind of a newbie to this mailing list and I have a problem that keeps
me busy for some time now.
I am working on a code generator for some java classes.
This is my XML:
<?xml version="1.0" ?>
<logging>
<target name="init"/>
<target name="debug"/>
<target name="fatal"/>
</logging>
this should result in:
public static final int INIT = 1;
public static final int DEBUG = 2;
public static final int FATAL = 4;
public static final int ALL = 8;
I can get everything working except the numbers. How can I calculate the
numbers which
are something like counter=2^(pos-1)?
This all entry is generated automatically. At this point I need either to
sum all former values
or do the same calculation as mentioned above.
Some research on google did not helped me out.
Any suggestions?
Thanx in advance
Andreas
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