Subject: Re: [xsl] decorator / wrapper design pattern From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> Date: Fri, 18 Mar 2005 11:31:59 -0500 |
<xsl:template match="something"> <xsl:call-template name="some-wrapper"/> </xsl:template>
<xsl:template name="some-wrapper"> <xsl:param name="contents"> <xsl:apply-templates/> </xsl:param> <wrapper> <xsl:copy-of select="$contents"/> </wrapper> </xsl:template>
<xsl:template match="something-else"> <xsl:call-template name="some-wrapper"> <xsl:with-param select="contents"> <xsl:call-template name="some-other-wrapper"/> </xsl:with-param> </xsl:call-template> </xsl:template>
<xsl:template match="another-something-else"> <xsl:call-template name="some-wrapper"> <xsl:with-param select="contents"> <xsl:text>Wrap me!</xsl:text> </xsl:with-param> </xsl:call-template> <xsl:apply-templates/> </xsl:template>
Enjoy! Wendell
Hi,
I'm using XSL version 1.0 and am trying to use the decorator design pattern, but can't get it to work in XSL. Here is what I try to achieve: Different types of elements all need to be surrounded by the same text. For example:
I've XML: <base> <section> <title>the title</title> <paragraph>some text</paragraph> <paragraph>more text</paragraph> </section> <section> <title>the title</title> <paragraph>other text</paragraph> <paragraph>more other text</paragraph> <paragraph>and more text</paragraph> </section> </base>
Now I want all text in titles and in paragraphs to be italic and in titles also to be bold. My first thought was to use call-template like this: <xsl:template match="title"> <xsl:call-template name="bold"> <xsl:call-template name="italic"> <xsl:value-of select="."/> </xsl:call-template> </xsl:call-template> </xsl:template>
But this is not the way to do this. I cannot however figure out or find the solution. The decoration that must be applied is much more complicated than bold or italic, but that is besides the point, I think. Here is my second try, but here is the problem that I cannot nest decorators, so bold and italic is not possible on the same element:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="/"> <xsl:call-template name="body"/> </xsl:template>
<xsl:template match="section"> <xsl:apply-templates /> <br/> </xsl:template>
<xsl:template match="title"> <xsl:call-template name="bold" /> <br/> </xsl:template>
<xsl:template match="paragraph"> <xsl:call-template name="italic" /> </xsl:template>
<xsl:template name="bold"> <b> <xsl:apply-templates/> </b> </xsl:template>
<xsl:template name="italic"> <i> <xsl:apply-templates/> </i> </xsl:template>
<xsl:template name="body"> <html> <body> <xsl:apply-templates /> </body> </html> </xsl:template>
</xsl:stylesheet>
Can anybody give me a pointer?
Thanks in advance
Lucas
====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ======================================================================
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