Allows you to include pipeline operations in an external source. MCS parses the events of the enclosed elements back into the pipeline. For example you can cause a transform to generate urid:fetch or sel:select operation which will be evaluated rather than written to the output.
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/2002/06/xhtml2"
xmlns:pipeline="http://www.volantis.com/xmlns/marlin-pipeline"
xmlns:webd="http://www.volantis.com/xmlns/marlin-web-driver">
<head>
<title>pipeline:evaluate</title>
</head>
<body>
<div>
<pipeline:evaluate>
<pipeline:transform href="test.xsl">
<webd:get url="http://weather.yahooapis.com/forecastrss">
<webd:parameters>
<webd:parameter name="p" value="USWA0395"/>
<webd:parameter name="u" value="c"/>
</webd:parameters>
</webd:get>
</pipeline:transform>
</pipeline:evaluate>
</div>
</body>
</html>The test.xsl and test.xdinc files should contain the following code.
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0"
xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">
<xsl:output method="xml"/>
<xsl:template match="/">
<div xmlns="http://www.w3.org/2002/06/xhtml2">
<h3>
<xsl:value-of select="/rss/channel/item/title"/>
</h3>
<p>Current Conditions: <xsl:value-of select="/rss/channel/item/yweather:condition/@text"/>,
<xsl:value-of select="/rss/channel/item/yweather:condition/@temp"/>
<xsl:value-of select="/rss/channel/yweather:units/@temperature"/>.</p>
<urid:fetch xmlns:urid="http://www.volantis.com/xmlns/marlin-uri-driver" href="test.xdinc"/>
</div>
</xsl:template>
</xsl:stylesheet><?xml version="1.0" encoding="UTF-8"?>
<div xmlns="http://www.w3.org/2002/06/xhtml2">
<p> Copyright 2001-2008 All rights reserved </p>
</div>The following example illustrates the use of pipeline:evaluate with the DISelect markup.
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/2002/06/xhtml2"
xmlns:pipeline="http://www.volantis.com/xmlns/marlin-pipeline"
xmlns:webd="http://www.volantis.com/xmlns/marlin-web-driver">
<head>
<title>pipeline:evaluate</title>
</head>
<body>
<div>
<pipeline:evaluate>
<pipeline:transform href="test.xsl">
<webd:get url="http://weather.yahooapis.com/forecastrss">
<webd:parameters>
<webd:parameter name="p" value="USWA0395"/>
<webd:parameter name="u" value="c"/>
</webd:parameters>
</webd:get>
</pipeline:transform>
</pipeline:evaluate>
</div>
</body>
</html>The test.xsl file may contain the following code.
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0"
xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">
<xsl:output method="xml"/>
<xsl:template match="/">
<div xmlns="http://www.w3.org/2002/06/xhtml2" xmlns:sel="http://www.w3.org/2004/06/diselect">
<sel:select>
<sel:when expr="device:policy-value('supports.client.framework')='true'">
<p>This device supports the Client Framework 1.</p>
<div>
<h3>
<xsl:value-of select="/rss/channel/item/title"/>
</h3>
<p>Current Conditions: <xsl:value-of select="/rss/channel/item/yweather:condition/@text"
/>, <xsl:value-of select="/rss/channel/item/yweather:condition/@temp"/>
<xsl:value-of select="/rss/channel/yweather:units/@temperature"/>.</p>
</div>
</sel:when>
<sel:otherwise>
<p>This device does not support the Client Framework 1.</p>
</sel:otherwise>
</sel:select>
</div>
</xsl:template>
</xsl:stylesheet>