Subject: Re: [xsl] xslt and i18n From: Andrew Welch <andrew.j.welch@xxxxxxxxx> Date: Mon, 16 Feb 2009 17:06:27 +0000 |
Regarding localisation support in xslt, I've always thought we could take advantage of dynamic despatch, import precedence or template priorities etc Here's a simple example: <xsl:stylesheet version="2.0" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:f="f" exclude-result-prefixes="xs f"> <xsl:param name="locale" select="'en_GB'"/> <xsl:variable name="lang" select="tokenize($locale, '_')[1]"/> <xsl:variable name="country" select="tokenize($locale, '_')[2]"/> <xsl:function name="f:getLocalisation" as="xs:string"> <xsl:param name="key" as="xs:string"/> <xsl:variable name="lookup"> <xsl:element name="{$country}"> <xsl:element name="{$lang}"> <xsl:element name="{$key}"/> </xsl:element> </xsl:element> </xsl:variable> <xsl:apply-templates select="$lookup/*/*"/> </xsl:function> <xsl:template match="/"> <xsl:value-of select="f:getLocalisation('page.title')"/> </xsl:template> <xsl:template match="page.title">Default Title</xsl:template> <xsl:template match="en/page.title">General English page title</xsl:template> <xsl:template match="US/en/page.title">Specific US English page title</xsl:template> </xsl:stylesheet> The key ("page.title" here) and the locale is passed in as a parameter. The localised values are stored as templates. The key and locale are converted into elements, and then the apply-templates call is made on that temporary tree... and then the rest is taken care of. This covers using specific matches, falling back to the general language when the country specific isn't available (eg falling back to French when a fr_BE value isn't there) and falling back to a default when no other exists at all. The drawback is of course that the translations are hidden within templates, rather than simple properties files. Any ideas on how to improve this? -- Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/
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