Subject: Re: [xsl] forth and back From: Jeni Tennison <mail@xxxxxxxxxxxxxxxx> Date: Sat, 21 Apr 2001 22:05:48 +0100 |
Hi Tobi, > I tried to write two recursing templates: the first is called > "forth"; red and blue are icremented, and green is decremented. The > second one works the otherway round. One should start the other as > soon as one of the values reached the limlit of either 0 or 255. > Both should stop as soon as the set level of depth is reached. The important thing is that last one. "Both should stop as soon as the set level of depth is reached." Looking at the templates, you test $depth in both, but in both it's in an xsl:when and there's an xsl:otherwise which catches the other option. So for example: <xsl:template name="back"> ... <xsl:choose> <xsl:when test="$current < $depth and ($red > 0) and ($green < 255) and ($blue > 0)"> <xsl:call-template name="back"> ... </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:call-template name="forth"> ... </xsl:call-template> </xsl:otherwise> </xsl:choose> </xsl:template> You need to *not do anything* when $current >= $depth, rather than just going into xsl:otherwise. So something like: <xsl:template name="back"> ... <xsl:choose> <xsl:when test="$current >= $depth" /> <xsl:when test="($red > 0) and ($green < 255) and ($blue > 0)"> <xsl:call-template name="back"> ... </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:call-template name="forth"> ... </xsl:call-template> </xsl:otherwise> </xsl:choose> </xsl:template> I hope that helps, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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