RE: [SPAM-BA] - Re: [xsl] decorator / wrapper design pattern

Hi,

Thanks Stef for this solution, but what I want is a little different:
In the example, it is clear that I want title and paragraph formatted
this way. But in fact I don't now before hand what the elements are that
need italic or bold. So I want to make templates (or something) that
surround some context with some elements. Then I want to call these
templates with a node that is then wrapped.
In a C like programming environment, this is what I want:

function bold(var content) {
  return "<B>"+content+"</B>";
}

function italic(var content) {
  return "<I>"+content+"</I>";
}

print bold(italic(some node));

I hope this is more clear.

greetings and thanks,
Lucas

-----Original Message-----
From: Stef [mailto:stef(_at_)ummon(_dot_)com] 
Sent: vrijdag 18 maart 2005 16:01
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [SPAM-BA] - Re: [xsl] decorator / wrapper design pattern -
Bayesian Filter detected spam


Hello Lucas,
        It sounds (to me at least) very much like you want to apply
mutliple tags via XSLT. There is a really great write-up of how someone
solved this on the following link;

        http://www.dpawson.co.uk/xsl/sect2/multitags.html

        Its a lot more in-depth than any solution I could give, and
infact, I merely (when I need to do this) exactly specify something
like;

<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
  version="1.0">

<xsl:template match="/">
        <xsl:apply-templates />
</xsl:template>

<xsl:template match="title|paragraph">
  <i><xsl:apply-templates /></i>
</xsl:template>

<xsl:template match="title">
  <i><b><xsl:apply-templates /></b></i>
</xsl:template>

</xsl:stylesheet>


        use that and you should get a hint as to how apply-templates
works on matches ;>

        regards
        Stef
(ps. I am still learning this crazy thing called XSLT, so any mistakes,
feel free to scream and point :)

On Fri, Mar 18, 2005 at 02:37:10PM +0100, Schaik, L.B. van wrote:

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

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RE: [SPAM-BA] - Re: [xsl] decorator / wrapper design pattern - Bayesian Filter detected spam