Please see if this stylesheet would help you:
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml" indent="yes"/>
<xsl:key name="x" match="offset/@*" use="local-name()" />
<xsl:template match="node() | @*">
<xsl:copy>
<xsl:apply-templates select="node() | @*" />
</xsl:copy>
</xsl:template>
<xsl:template match="offset[not(preceding-sibling::offset)]">
<offset>
<xsl:for-each select="//offset/@*[generate-id() =
generate-id(key('x', local-name())[1])]">
<xsl:attribute name="{local-name()}">
<xsl:value-of select="sum(//offset/@*[local-name() =
local-name(current())])" />
</xsl:attribute>
</xsl:for-each>
</offset>
</xsl:template>
<xsl:template match="offset" />
</xsl:stylesheet>
This when applied to XML:
<text>
Hello<offset x="2" y="4" /><offset x="3" y="2" />World
</text>
Produces output:
<?xml version="1.0" encoding="UTF-8"?>
<text>
Hello<offset x="5" y="6"/>World
</text>
On 10/10/06, Matt Sims <matt(_dot_)sims(_at_)aston(_dot_)tv> wrote:
Hi,
I'm hoping that somebody here can help me.
I'm using the following stylesheet to merge adjacent nodes of a
particular type and sum their attributes:
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:aston="http://www.aston.tv/schemas/Aston/Aston7";>
<xsl:output method="xml" indent="yes"/>
<xsl:template match="node()">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates select="node()[1]"/>
</xsl:copy>
<xsl:apply-templates select="following-sibling::node()[1]"/>
</xsl:template>
<xsl:template match="aston:offset[not(node())]">
<xsl:param name="a" select="/.."/>
<xsl:choose>
<xsl:when test="following-sibling::node()[self::* or
normalize-space(.)][1]/self::aston:offset[not(node())]">
<xsl:apply-templates
select="following-sibling::aston:offset[1]">
<xsl:with-param name="a" select="$a|@*"/>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<offset xmlns="http://www.aston.tv/schemas/Aston/Aston7";
x="{sum($a[name()='x']|@x)}" y="{sum($a[name()='y']|@y)}"
z="{sum($a[name()='z']|@z)}" />
<xsl:apply-templates select="following-sibling::node()[1]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
For example, running it on the following XML:
<text>
Hello<offset x="2" y="4" /><offset x="3" y="2" />World
</text>
would result in:
<text>
Hello<offset x="5" y="6" />World
</text>
My problem occurs if I have a whitespace character between the two
adjacent nodes, like so:
<text>
Hello<offset x="2" y="4" /> <offset x="3" y="2" />World
</text>
In this case, I wouldn't expect the nodes to be merged as they're not
strictly adjacent (there's a whitespace node between them) - but they are!
Can anyone tell me what I'm doing wrong?
Thanks in advance,
Matt.
--
Regards,
Mukul Gandhi
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