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<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:str="http://exslt.org/strings">
<xsl:param name="docurl"/>
<xsl:param name="title" select="/rss/channel/title"/>
<xsl:template name="prevnextlinks">
<!-- Add previous and next links for a navigation page.
Extract the current page number from the URL (the number after
/sivu/) and adds links to previous and following pages. If the
page number is missing, it is assumed to be 1.
BUG: if the last page has 20 links, an extra "next" link is
generated
-->
<xsl:variable name="page" select="number(substring-before(substring-after($docurl, '/sivu/'), '/'))"/>
<xsl:choose>
<xsl:when test="$page > 1">
<xsl:variable name="urlprefix" select="substring-before($docurl, '/sivu/')"/>
<xsl:variable name="urlpostfix" select="substring-after(substring-after($docurl, '/sivu/'), '/')"/>
<xsl:variable name="prevurl" select="concat($urlprefix, '/sivu/', $page - 1, '/', $urlpostfix)"/>
<xsl:variable name="nexturl" select="concat($urlprefix, '/sivu/', $page + 1, '/', $urlpostfix)"/>
<link>
<label>Edellinen</label>
<ref>wvt:///yleareena/navigation.xsl?srcurl=<xsl:value-of select="str:encode-uri($prevurl, true())"/></ref>
</link>
<xsl:if test="count(/rss/channel/item) >= 20">
<link>
<label>Seuraava</label>
<ref>wvt:///yleareena/navigation.xsl?srcurl=<xsl:value-of select="str:encode-uri($nexturl, true())"/></ref>
</link>
</xsl:if>
</xsl:when>
<xsl:otherwise>
<xsl:if test="count(/rss/channel/item) >= 20">
<xsl:variable name="nexturl">
<xsl:choose>
<xsl:when test="contains($docurl, '/sivu/')">
<xsl:value-of select="concat(substring-before($docurl, '/sivu/'), '/sivu/2/', substring-after(substring-after($docurl, '/sivu/'), '/'))"/>
</xsl:when>
<xsl:when test="contains($docurl, '/feed/rss')">
<xsl:value-of select="str:replace($docurl, '/feed/rss', '/sivu/2/feed/rss')"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat($docurl, '/sivu/2')"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<link>
<label>Seuraava</label>
<ref>wvt:///yleareena/navigation.xsl?srcurl=<xsl:value-of select="str:encode-uri($nexturl, true())"/></ref>
</link>
</xsl:if>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="/rss/channel/item">
<link>
<label><xsl:value-of select="title"/></label>
<ref>wvt:///yleareena/description.xsl?srcurl=<xsl:value-of select="str:encode-uri(link, true())"/></ref>
<stream>wvt:///yleareena/video.xsl?srcurl=<xsl:value-of select="str:encode-uri(link, true())"/>&param=title,<xsl:value-of select="str:encode-uri(concat(title, '-', str:split(pubDate, ' ')[2], '-', str:split(pubDate, ' ')[3], '-', str:split(pubDate, ' ')[4]), true())"/></stream>
</link>
</xsl:template>
<xsl:template match="/">
<wvmenu>
<xsl:choose>
<!-- Regular video links -->
<xsl:when test="/rss">
<title><xsl:value-of select="$title"/></title>
<xsl:apply-templates select="/rss/channel/item"/>
<xsl:call-template name="prevnextlinks"/>
</xsl:when>
<!-- No search results -->
<xsl:otherwise>
<title>Hae Areenasta: Ei osumia</title>
<textarea>
<xsl:choose>
<xsl:when test="//h4">
<label><xsl:value-of select="//h4"/></label>
</xsl:when>
<xsl:otherwise>
<label>Ei osumia</label>
</xsl:otherwise>
</xsl:choose>
</textarea>
</xsl:otherwise>
</xsl:choose>
</wvmenu>
</xsl:template>
</xsl:stylesheet>
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