Added separate year node to article datasource

* this is needed for the implementation of a article datasource grouped by year
** this in turn is needed for the archive page template
* modified tags meta transformation and article result transformation accordingly

3 files changed, 15 insertions, 3 deletions

diff --git a/source/02_data/articles.xsl b/source/02_data/articles.xsl
index 8900085..6f79675 100644
--- a/source/02_data/articles.xsl
+++ b/source/02_data/articles.xsl
@@ -49,7 +49,12 @@
 			<xsl:value-of select="xalan:nodeset($content)/h1"/>
 		</title>
 		<date>
-			<xsl:value-of select="substring(./name, 0, 11)"/>
+			<full>
+				<xsl:value-of select="substring(./name, 0, 11)"/>
+			</full>
+			<year>
+				<xsl:value-of select="substring(./name, 0, 5)"/>
+			</year>
 		</date>
 		<tags>
 			<xsl:call-template name="list_tags">
diff --git a/source/03_meta/tags.xsl b/source/03_meta/tags.xsl
index 84114e8..ac77335 100644
--- a/source/03_meta/tags.xsl
+++ b/source/03_meta/tags.xsl
@@ -22,7 +22,14 @@
 <xsl:template name="get_article_data">
 	<xsl:param name="handle"/>
 
-	<xsl:copy-of select="$root/articles/entry[@handle = $handle]/*[self::title | self::date]"/>
+	<xsl:variable name="article" select="$root/articles/entry[@handle = $handle]/*[self::title | self::date]"/>
+
+	<title>
+		<xsl:value-of select="$article/self::title"/>
+	</title>
+	<date>
+		<xsl:value-of select="$article/self::date/full"/>
+	</date>
 </xsl:template>
 
 <xsl:template match="tags/entry">
diff --git a/source/99_result/article/article.xsl b/source/99_result/article/article.xsl
index af8702b..11fd2b5 100644
--- a/source/99_result/article/article.xsl
+++ b/source/99_result/article/article.xsl
@@ -31,7 +31,7 @@
 		</h2>
 		<p class="info">
 			<xsl:call-template name="format-date">
-				<xsl:with-param name="date" select="./date"/>
+				<xsl:with-param name="date" select="./date/full"/>
 				<xsl:with-param name="format" select="'M x, Y'"/>
 			</xsl:call-template> 
 			| <xsl:for-each select="tags/tag">