From aba494f93fe6e2918ffcfe467473f5796f492942 Mon Sep 17 00:00:00 2001
From: vv01f <vv01f@users.noreply.ccc.de>
Date: Wed, 13 Jul 2022 00:05:23 +0200
Subject: [PATCH] add references element to data and download

---
 data.xml     | 17 ++++++++++++++---
 download.xsl | 21 ++++++++++++++++++++-
 index.xsl    |  6 ++++++
 rss.xsl      |  4 ++++
 sort.xsl     |  8 +++++++-
 5 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/data.xml b/data.xml
index 6c98774..56cf5ba 100644
--- a/data.xml
+++ b/data.xml
@@ -3,7 +3,7 @@
 <!DOCTYPE schleudern [
 
 <!ELEMENT schleudern (schleuder)><!-- wrapper -->
-<!ELEMENT schleuder (date,image,link,filesize,teaser,preface,info)><!-- issue -->
+<!ELEMENT schleuder (date,image,link,filesize,teaser,preface,references,info)><!-- issue -->
 <!ATTLIST schleuder id CDATA #REQUIRED>
 <!ELEMENT date (#PCDATA)><!-- date of publication, https://www.w3.org/Protocols/rfc822/ as in cli `date -R` or 'Thu, 02 May 2019 23:01:34 +0200' -->
 <!ELEMENT image (#PCDATA)><!-- usually the cover page -->
@@ -12,6 +12,7 @@
 <!ELEMENT filesize (#PCDATA)><!-- size of a single linked file, needed for attachments -->
 <!ELEMENT teaser (#PCDATA)><!-- short hint on recent print and newest issue online -->
 <!ELEMENT preface (#PCDATA)><!-- link to preface, html byproduct of ePUB workflow -->
+<!ELEMENT references (#PCDATA)><!-- link to references, html byproduct of ePUB workflow -->
 <!ELEMENT info (#PCDATA)><!-- short information in between two issues, added as child to the last published issue, newest first -->
 <!ATTLIST info date CDATA #IMPLIED><!-- date for information, if missing the date of the parent schleuder will be used -->
 
@@ -20,20 +21,30 @@
 ]>
 
 <schleudern>
-<!--schleuder id="103">
+<!--schleuder id="104">
 	<date></date>
-	<image>covers/ds103.jpg</image>
+	<image>covers/ds104.jpg</image>
 	<link filesize=""></link>
 	<link filesize=""></link>
+	<references></references>
 	<preface></preface>
 	<teaser></teaser>
 	<info date=""></info>
 </schleuder-->
+<schleuder id="103">
+	<date>Tue, 12 Jul 2022 07:23 +0000</date>
+	<image>covers/ds103.jpg</image>
+	<link filesize="9778016">pdfs/ds103.pdf</link>
+	<link filesize="6978304">epubs/ds103.epub</link>
+	<references>references/ds103.html</references>
+	<teaser>Nach Anpassungen der LaTeX-Klasse für die Ausgabe von ePUB ist nun auch die schön länger in den Regalen stehende Ausgabe #103 online.</teaser>
+</schleuder>
 <schleuder id="102">
 	<date>Wed, 10 Nov 2021 08:28 +0000</date>
 	<image>covers/ds102.jpg</image>
 	<link filesize="104220">pdfs/ds102.pdf</link>
 	<link filesize="103582">epubs/ds102.epub</link>
+	<references>references/ds102.html</references>
 	<teaser>Nun ist die #102 auch online, wie gewohnt als PDF und mit überarbeitetem ePUB.</teaser>
 </schleuder>
 <schleuder id="101">
diff --git a/download.xsl b/download.xsl
index 91eb5b2..b75775a 100644
--- a/download.xsl
+++ b/download.xsl
@@ -50,6 +50,12 @@
 					<xsl:otherwise>unknown</xsl:otherwise>
 				</xsl:choose>
 			</xsl:variable>
+			<xsl:variable name="preface">
+				<xsl:value-of select="preface"/>
+			</xsl:variable>
+			<xsl:variable name="references">
+				<xsl:value-of select="references"/>
+			</xsl:variable>
 			<xsl:element name="div">
 				<xsl:attribute name="class">schleuder</xsl:attribute>
 				<xsl:attribute name="id">ds<xsl:value-of select="$id"/></xsl:attribute>
@@ -86,7 +92,20 @@
 							</xsl:element>
 						</xsl:otherwise>
 					</xsl:choose>
-				</xsl:element><xsl:value-of select="concat(@id,' ')"/>
+				</xsl:element><!--
+				--><xsl:choose>
+					<xsl:when test="count(references) &gt; 0">
+						<xsl:element name="a">
+							<xsl:attribute name="href"><xsl:value-of select="concat($protocol,$baseurl,'/',references)"/></xsl:attribute>
+							<xsl:attribute name="title"><xsl:value-of select="concat('Rerenzen zur ',$alt)"/></xsl:attribute>
+							<xsl:value-of select="concat(@id,' ')"/>
+						</xsl:element><xsl:text>&#xa;</xsl:text>
+					</xsl:when>
+					<xsl:otherwise>
+						<xsl:value-of select="concat(@id,' ')"/>
+					</xsl:otherwise>
+				</xsl:choose>
+
 				<xsl:for-each select="link">
 					<xsl:call-template name="anchorlink">
 						<xsl:with-param name="linkdata">
diff --git a/index.xsl b/index.xsl
index 26a8b15..52d93ec 100644
--- a/index.xsl
+++ b/index.xsl
@@ -145,6 +145,12 @@ time { font-family: Arial, sans-serif; font-size: 10pt; }</xsl:text>
 							Geleitwort zur <xsl:value-of select="@id"/>. Ausgabe.
 						</xsl:element><xsl:text>&#xa;</xsl:text>
 					</xsl:if>
+					<xsl:if test="count(references) &gt; 0">
+						<xsl:element name="a">
+							<xsl:attribute name="href"><xsl:value-of select="concat($protocol,$baseurl,references)"/></xsl:attribute>
+							Rerenzen zur <xsl:value-of select="@id"/>. Ausgabe.
+						</xsl:element><xsl:text>&#xa;</xsl:text>
+					</xsl:if>
 
 
 					<xsl:if test="count(teaser) &gt; 0">
diff --git a/rss.xsl b/rss.xsl
index d9120ba..7a463dc 100644
--- a/rss.xsl
+++ b/rss.xsl
@@ -90,6 +90,10 @@ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 					<xsl:element name="a"><xsl:attribute name="href"><xsl:value-of select="concat($protocol,$baseurl,'/',preface)"/></xsl:attribute>Geleitwort</xsl:element>
 					<xsl:text>&#10;&#9;&#9;</xsl:text>
 				</xsl:if>
+				<xsl:if test="string-length(references) &gt; 0">
+					<xsl:element name="a"><xsl:attribute name="href"><xsl:value-of select="concat($protocol,$baseurl,'/',references)"/></xsl:attribute>Referenzen zur Ausgabe</xsl:element>
+					<xsl:text>&#10;&#9;&#9;</xsl:text>
+				</xsl:if>
 
 				<xsl:if test="string-length(image) &gt; 0">
 					<xsl:element name="img"><xsl:attribute name="src">
diff --git a/sort.xsl b/sort.xsl
index 8809392..b708b59 100644
--- a/sort.xsl
+++ b/sort.xsl
@@ -7,7 +7,7 @@
 &lt;!DOCTYPE schleudern [
 
 &lt;!ELEMENT schleudern (schleuder)&gt;&lt;!-- wrapper --&gt;
-&lt;!ELEMENT schleuder (date,image,link,filesize,teaser,preface,info)&gt;&lt;!-- issue --&gt;
+&lt;!ELEMENT schleuder (date,image,link,filesize,teaser,preface,references,info)&gt;&lt;!-- issue --&gt;
 &lt;!ATTLIST schleuder id CDATA #REQUIRED&gt;
 &lt;!ELEMENT date (#PCDATA)&gt;&lt;!-- date of publication, https://www.w3.org/Protocols/rfc822/ as in cli `date -R` or 'Thu, 02 May 2019 23:01:34 +0200' --&gt;
 &lt;!ELEMENT image (#PCDATA)&gt;&lt;!-- usually the cover page --&gt;
@@ -16,6 +16,7 @@
 &lt;!ELEMENT filesize (#PCDATA)&gt;&lt;!-- size of a single linked file, needed for attachments --&gt;
 &lt;!ELEMENT teaser (#PCDATA)&gt;&lt;!-- short hint on recent print and newest issue online --&gt;
 &lt;!ELEMENT preface (#PCDATA)&gt;&lt;!-- link to preface, html byproduct of ePUB workflow --&gt;
+&lt;!ELEMENT references (#PCDATA)&gt;&lt;!-- link to references, html byproduct of ePUB workflow --&gt;
 &lt;!ELEMENT info (#PCDATA)&gt;&lt;!-- short information in between two issues, added as child to the last published issue, newest first --&gt;
 &lt;!ATTLIST info date CDATA #IMPLIED&gt;&lt;!-- date for information, if missing the date of the parent schleuder will be used --&gt;
 
@@ -60,6 +61,11 @@
 								<xsl:value-of select="preface"/>
 						</xsl:element><xsl:text>&#xa;</xsl:text>
 					</xsl:if>
+					<xsl:if test="count(references) &gt; 0">
+						<xsl:text>&#9;</xsl:text><xsl:element name="references">
+								<xsl:value-of select="references"/>
+						</xsl:element><xsl:text>&#xa;</xsl:text>
+					</xsl:if>
 					<xsl:for-each select="info">
 						<xsl:text>&#9;</xsl:text>
 						<xsl:apply-templates select="."/>