Subject: Re: [xsl] When to use conditional constructions? From: "Abel Braaksma (Exselt)" <abel@xxxxxxxxxx> Date: Mon, 31 Mar 2014 19:33:42 +0200 |
On 31-3-2014 18:32, Graydon wrote: > <xsl:template > match="section[heading][body/table][body/para[following-sibling:table]][not(body/para[preceding-sibling:table])]">....</xsl:template> > > <xsl:template > match="section[heading][body/table][body/para[following-sibling:table]][body/para[preceding-sibling:table]]">....</xsl:template> > > <xsl:template > match="section[heading][body/table][not(body/para)]]">....</xsl:template> Just a suggestion, but wouldn't this become more readable if you split it using templates? Something like the following (not tested): <xsl:template match="section[heading][body/table]"> <!-- sections with tables --> <xsl:apply-templates select="self::section[body/para[following-sibling::table]]" mode="normal-section" /> <xsl:apply-templates select="self::section[not(body/para)]" mode="no-better-idea" /> </xsl:template> <xsl:template match="section" mode="no-better-idea"> ... do something ... </xsl:template> <xsl:template match="section[not(body/para[preceding-sibling::table])]" mode="normal-section"> <!-- stuff with paras and tables, but no table before para --> </xsl:template> <xsl:template match="section[body/para[preceding-sibling::table]]" mode="normal-section"> <!-- stuff with paras and tables, tables before paras --> </xsl:template> Not sure this effectively makes it easier for programmers or other readers of your code, but it removes the redundant selections. Alternatively, see my other mail for how to use function items to achieve something similar, or to use functions, as others have already shown. The (slight) advantage of function items is that it gives less overhead in writing them, but conversely, when they become larger, they tend to become less readable. Cheers, Abel Braaksma Exselt XSLT 3.0 processor http://exselt.net
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