Subject: [xsl] Proposal: Copying with Sorting From: Dimitre Novatchev <dnovatchev@xxxxxxxxx> Date: Sun, 5 Jan 2003 01:01:08 -0800 (PST) |
I would like to propose a simplification of the most widely used case of sorting, when a the members of a node-set are simply copied in a different order. The proposal is to allow xsl:sort to be a child of xsl:copy-of. Thus instead of writing [1]: <xsl:for-each select="expression"> <xsl:sort select="expression2"/> <xsl:copy-of select="."/> </xsl:for-each> one would simply write [2]: <xsl:copy-of select="expression"> <xsl:sort select="expression2"/> </xsl:copy-of> What are the advantages of having [2]? 1. The new instruction is more compact and simpler. 2. It reflects the principle that it should be possible to do simple things in a simple way. 3. Shorter, simpler, more readable and maintainable xslt code. 4. Probably allows a more efficient implementation. 5. The programmer will not have to worry whether to use (gasp!) an xsl:for-each or an xsl:apply-templates with or without mode. 6. Eliminates the vast number of programming errors, when the programmer simply forgets to specify <xsl:copy-of select="."/> in [1] A further simplification will be achieved if a "sort" attibute is allowed in case of sorting on a single key only. Then we could write [3]: <xsl:copy-of select="expression" sort="expression2" /> I would appreciate receiving any comments on this proposal. Would you like to have this feature proposed for inclusion in XSLT 2.0? ===== Cheers, Dimitre Novatchev. http://fxsl.sourceforge.net/ -- the home of FXSL __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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