84 行
3.7 KiB
XML
84 行
3.7 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:dt="http://xsltsl.org/date-time"
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exclude-result-prefixes="dt"
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xmlns:str="http://exslt.org/strings"
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extension-element-prefixes="str">
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<!-- For pages used on external web servers, load the CSS from absolute URL -->
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<xsl:variable name="urlprefix">
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<xsl:if test="/buildinfo/document/@external">https://fsfe.org</xsl:if>
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</xsl:variable>
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<xsl:include href="build/xslt/fsfe_head.xsl" />
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<xsl:include href="build/xslt/fsfe_body.xsl" />
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<xsl:include href="build/xslt/gettext.xsl" />
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<xsl:include href="build/xslt/static-elements.xsl" />
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<xsl:include href="build/xslt/fsfe-cd.xsl" />
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<xsl:include href="build/xslt/module.xsl" />
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<xsl:include href="build/xslt/related.xsl" />
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<xsl:include href="build/xslt/email-obfuscate.xsl" />
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<xsl:include href="build/xslt/peertube.xsl" />
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<!-- HTML 5 compatibility doctype, since our XSLT parser doesn't support disabling output escaping -->
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<xsl:output method="html" encoding="utf-8" indent="yes" doctype-system="about:legacy-compat" />
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<!-- EXTRACT / DESCRIPTION of each page -->
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<xsl:variable name="metadesc">
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<!-- Get the description element -->
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<xsl:value-of select="/buildinfo/document/description" />
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</xsl:variable>
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<!-- if there is a description, take that as an extract -->
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<xsl:variable name="extract">
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<xsl:choose>
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<!-- case 1: if there is a description, take that -->
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<xsl:when test="$metadesc != ''">
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<xsl:value-of select="$metadesc" />
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</xsl:when>
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<xsl:otherwise>
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<!-- take a first extract which should be sufficient for most pages -->
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<xsl:variable name="extract1">
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<!-- retrieve the first 200 letters of the first p element after h1 -->
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<xsl:value-of select="substring(normalize-space(/buildinfo/document/body/h1[1]/following::p[1]),1,155)" />
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</xsl:variable>
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<!-- define cases what happens with which extract length -->
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<xsl:choose>
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<!-- case 2: first paragraph is long enough -->
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<xsl:when test="string-length($extract1) > 50">
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<xsl:value-of select="$extract1" />
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<xsl:text>...</xsl:text>
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</xsl:when>
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<!-- case 3: first paragraph is too short -->
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<xsl:otherwise>
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<xsl:variable name="extract2">
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<!-- retrieve the first 200 letters of the *second* p element after h1 -->
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<xsl:value-of select="substring(normalize-space(/buildinfo/document/body/h1[1]/following::p[2]),1,155)" />
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</xsl:variable>
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<xsl:choose>
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<!-- case 3a: second paragraph is long enough -->
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<xsl:when test="string-length($extract2) > 50">
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<!-- Combine $extract1 and $extract2 with max. 155 characters -->
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<xsl:value-of select="substring(normalize-space(concat($extract1, ' ', $extract2)),1,155)" />
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<xsl:text>...</xsl:text>
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</xsl:when>
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<!-- case 3b: also second extract is too short, so take a default text -->
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<xsl:otherwise>
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<xsl:text>Free Software Foundation Europe is a charity that empowers users to control technology. We enable people to use, understand, adapt, and share software.</xsl:text>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:variable>
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<xsl:include href="build/xslt/fsfe_document.xsl" />
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<xsl:include href="build/xslt/fsfe_headings.xsl" />
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<xsl:include href="build/xslt/fsfe_localmenu.xsl" />
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<!-- Do not copy non-HTML elements to output -->
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<xsl:include href="build/xslt/fsfe_nolocal.xsl" />
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</xsl:stylesheet>
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