Subject: Re: [xsl] XSLT/SVG variables question From: "James Fuller" <james.fuller@xxxxxxxxxx> Date: Sun, 1 Jul 2001 09:50:28 +0100 |
Hello Harry, ----- Original Message ----- From: "Harry J. Foxwell" <hfoxwell@xxxxxxxxxx> > I'm not quite convinced of 'Assignment Considered > Harmful' (Kay, Chap 9) since I can't figure out how to solve my > XSLT/SVG problem without good ol' x=x+y constructs. well, this is a major tenet of FP, not an arguement but part of a very well developed approach to computer languages, in heavy use ( in some circles, u know who you are ! ) since the early 1970's. > As the block chart is built, I need to account for arbitrary > number of strings per block and number of blocks. "Normal" > variables would let me compute and increment SVG coordinates > for the rectangles and text. But XSLT variables aren't normal! u can always use a recursive named template, here is an example of an incrementing variable <xsl:call-template name="for.loop"> <xsl:with-param name="i">1</xsl:with-param> <xsl:with-param name="count">10</xsl:with-param> </xsl:call-template> <!-- Rename "old name" elements to "new name" --> <xsl:template name="for.loop"> <xsl:param name="i"/> <xsl:param name="count"/> <xsl:if test="$i <= $count"> <!-- body of the loop goes here --> </xsl:if> <xsl:if test="$i <= $count"> <xsl:call-template name="for.loop"> <xsl:with-param name="i"> <!-- Increment index--> <xsl:value-of select="$i + 1"/> </xsl:with-param> <xsl:with-param name="count"> <xsl:value-of select="$count"/> </xsl:with-param> </xsl:call-template> </xsl:if> </xsl:template> you will most likely have to apply something like this cheers, jim fuller XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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