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RE: [xsl] reduce xsl code...


Subject: RE: [xsl] reduce xsl code...
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Tue, 14 Nov 2006 18:51:36 -0000

I don't think you can reduce this code all that much, but you can certainly
avoid repeating it. Simplest way is to put it in a named template, but I
would be tempted to use template rules, along the lines:

<xsl:template match="h3">
  ...
  <xsl:attribute name="style">
    <xsl:apply-templates select="@*"/>
  </xsl:attribute>
  ...
</xsl:template>


<xsl:template match="@bold[.='true']">font-weight:bold;</xsl:template>
<xsl:template match="@italic[.='true']">font-style:italic;</xsl:template>


etc

> -----Original Message-----
> From: Web Developer [mailto:armyofda12mnkeys@xxxxxxxxx] 
> Sent: 14 November 2006 18:44
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] reduce xsl code...
> 
> Hello all,
> 
> I created an xhtml-like schema and made 2 xsl files to 
> translate the respected xml file into html or pdf.
> 
> Anyway, I was wondering if the code similar to code below can 
> be reduced somehow by grouping it together in the 1 XSL file.
> 
> html xsl file...
> 
> <xsl:template match="h3">
> <h3>
> 
> <!-- set default margin if not set -->
> <xsl:variable name="marginVal">
> <xsl:choose>
> <xsl:when test="@margin">margin:<xsl:value-of 
> select="@margin"/>;</xsl:when> <xsl:otherwise>
> 	<xsl:choose>		
> 		<xsl:when test="@margin-top |@margin-right 
> |@margin-bottom| @margin-left">
> 			<xsl:if 
> test="@margin-top">margin-top:<xsl:value-of
> select="@margin-top"/>;</xsl:if>
> 			<xsl:if 
> test="@margin-right">margin-right:<xsl:value-of
> select="@margin-right"/>;</xsl:if>
> 			<xsl:if 
> test="@margin-bottom">margin-bottom:<xsl:value-of
> select="@margin-bottom"/>;</xsl:if>
> 			<xsl:if 
> test="@margin-left">margin-left:<xsl:value-of
> select="@margin-left"/>;</xsl:if>
> 		</xsl:when>
> 		<xsl:otherwise>margin:5px 0px 0px 0px;</xsl:otherwise>	
> 	</xsl:choose>
> </xsl:otherwise>	
> </xsl:choose>
> 
> </xsl:variable>
> 
> 
> <xsl:if test="@color |@background-color |@text-indent|@text-align
> |@font-family |@font-size |@border-style |@border-color 
> |@border-width 
> |@border| @border-top | @border-right | @border-bottom | @border-left 
> |@padding | @padding-top | @padding-right | @padding-bottom |
> @padding-left | $marginVal |@bold
> |@italic|@underline|@vertical-align">
> <xsl:attribute name="style">
> 	<xsl:if test="@bold='true'">font-weight:bold;</xsl:if>
> 	<xsl:if test="@italic='true'">font-style:italic;</xsl:if>
> 	<xsl:if 
> test="@underline='true'">text-decoration:underline;</xsl:if>
> 	<xsl:if test="@color">color:<xsl:value-of 
> select="@color"/>;</xsl:if>
> 	<xsl:if test="@background-color">background-color:<xsl:value-of
> select="@background-color"/>;</xsl:if>
> 	<xsl:if test="@text-indent">text-indent:<xsl:value-of
> select="@text-indent"/>;</xsl:if>
> 	<xsl:if test="@text-align">text-align:<xsl:value-of
> select="@text-align"/>;</xsl:if>
> 	<xsl:if test="@font-family">font-family:<xsl:value-of
> select="@font-family"/>;</xsl:if>
> 	<xsl:if test="@font-size">font-size:<xsl:value-of
> select="@font-size"/>;</xsl:if>
> 	<xsl:if test="@border-style">border-style:<xsl:value-of
> select="@border-style"/>;</xsl:if>
> 	<xsl:if test="@border-color">border-color:<xsl:value-of
> select="@border-color"/>;</xsl:if>
> 	<xsl:if test="@border-width">border-width:<xsl:value-of
> select="@border-width"/>;</xsl:if>
> 	<xsl:if test="@border">border:<xsl:value-of 
> select="@border"/>;</xsl:if>
> 	<xsl:if test="@border-top">border-top:<xsl:value-of
> select="@border-top"/>;</xsl:if>
> 	<xsl:if test="@border-right">border-right:<xsl:value-of
> select="@border-right"/>;</xsl:if>
> 	<xsl:if test="@border-bottom">border-bottom:<xsl:value-of
> select="@border-bottom"/>;</xsl:if>
> 	<xsl:if test="@border-left">border-left:<xsl:value-of
> select="@border-left"/>;</xsl:if>
> 	<xsl:if test="@vertical-align">vertical-align:<xsl:value-of
> select="@vertical-align"/>;</xsl:if>
> 	<xsl:if test="@padding">padding:<xsl:value-of 
> select="@padding"/>;</xsl:if>		
> 	<xsl:if test="@padding-top">padding-top:<xsl:value-of
> select="@padding-top"/></xsl:if>
> 	<xsl:if test="@padding-right">padding-right:<xsl:value-of
> select="@padding-right"/></xsl:if>
> 	<xsl:if test="@padding-bottom">padding-bottom:<xsl:value-of
> select="@padding-bottom"/></xsl:if>
> 	<xsl:if test="@padding-left">padding-left:<xsl:value-of
> select="@padding-left"/></xsl:if>
> 		
> 	<xsl:if test="$marginVal"><xsl:value-of 
> select="$marginVal"/></xsl:if>		
> 	
> </xsl:attribute>
> </xsl:if>
> <xsl:value-of select="."/></h3>
> </xsl:template>
> 
> 
> Same template as above basically is repeated for match="h1" 
> to "h6", but code starts getting a bit bulky.
> 
> plus the FO xsl file too can be shrinked using same principle 
> someone here can recommend :).
> 
> Thanks in advance,
> Arian


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