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Subject: [xsl] Re[2]: Shorter, better, nicer XSLT From: Antonio Bueno <atnbueno@xxxxxxxxxx> Date: Sat, 16 Mar 2002 10:37:47 +0100 |
Hola, David. :)
MD> I don't think I would recommend this, but you could replace all
MD> the XSLT template complexity with XPATH complexity. [...] I send
MD> it only for amusement.
Well, thank you *very* much for sending it. Your solution is hard to
read but the idea of moving complexity to XPath was new for me...
And this morning I started to play around and came with a simpler (I
think), not so hard to read (I hope) solution. And no, I don't know
about its efficiency either.
At the end of the message you have a stripped down version of another
transformation (this one didn't search text, just select some
"parrillas" and shows them), but the main idea is that to get
parrilla[@fecha=$fecha]
I use
parrilla[contains(concat('*',@fecha),$fecha]
The catch is that to use it for channels, I have to avoid channel IDs
contained in other channel ID. I had a few of them (CP and CPA, FOX
and FOXN, ...) in the full version but it's not a problem to change
them because they are just arbitrary ones.
Best,
Antonio
http://mundoplus.tv
mailto:atnbueno@xxxxxxxxxxxx
----- parrillas0.xsl -------------------------------------------------
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:transform version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:param name="canal"/>
<xsl:param name="fecha"/>
<xsl:output doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; encoding="ISO-8859-1" indent="yes" method="xml"/>
<xsl:template match="/">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1"/>
<title>mundoplus.tv - Parrillas de programación</title>
</head>
<body>
<h1 class="titulo">
<xsl:text>Parrillas de programación</xsl:text>
</h1>
<form action="parrillas0.asp" method="get">
<div>
<select name="canal">
<xsl:apply-templates select="programacion/canal"/>
</select>
<select name="fecha">
<xsl:apply-templates select="programacion/fecha"/>
</select>
<input class="submit" type="image" src="search.gif"/>
</div>
</form>
<xsl:apply-templates select="programacion"/>
<xsl:if test="($canal='')or($fecha='')">
<p>
<xsl:text>Indique qué parrilla de programación desea ver.</xsl:text>
</p>
</xsl:if>
</body>
</html>
</xsl:template>
<xsl:template match="programacion">
<xsl:if test="($canal!='*')or($fecha!='*')">
<xsl:apply-templates select="parrilla[(contains(concat('*',@canal),$canal))and(contains(concat('*',@fecha),$fecha))]"/>
</xsl:if>
<xsl:if test="($canal='*')and($fecha='*')">
<p>Lo siento, pero has de escoger un canal o una fecha.</p>
</xsl:if>
</xsl:template>
<xsl:template match="canal">
<option value="{@id}">
<xsl:if test="@id=$canal">
<xsl:attribute name="selected">selected</xsl:attribute>
</xsl:if>
<xsl:value-of select="."/>
</option>
</xsl:template>
<xsl:template match="fecha">
<option value="{@id}">
<xsl:if test="@id=$fecha">
<xsl:attribute name="selected">selected</xsl:attribute>
</xsl:if>
<xsl:value-of select="."/>
</option>
</xsl:template>
<xsl:template match="parrilla">
<div class="parrilla">
<br/> <b>'*<xsl:value-of select="@fecha"/>' does
<xsl:if test="not(contains(concat('*',@fecha),$fecha))">not</xsl:if>
contain '<xsl:value-of select="$fecha"/>'</b><br/>
<br/> <b>'*<xsl:value-of select="@canal"/>' does
<xsl:if test="not(contains(concat('*',@canal),$canal))">not</xsl:if>
contain '<xsl:value-of select="$canal"/>'</b><br/>
</div>
</xsl:template>
</xsl:transform>
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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