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[homepage.git] / layouts / functions.xsl

diff --git a/layouts/functions.xsl b/layouts/functions.xsl
index 96952b20d1c49c4e912686d63094e85ba616dad9..d9c5748053bbf4a3759b4a572d05f5d90061c12f 100644 (file)
--- a/layouts/functions.xsl
+++ b/layouts/functions.xsl
@@ -1,7 +1,7 @@
 <!--
   Nick's web site: XSLT helper functions.
 
-  Copyright © 2019 Nick Bowler
+  Copyright © 2019-2020 Nick Bowler
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -110,4 +110,43 @@
   </xsl:choose>
 </func:function>
 
+<!--
+  Convert the given node to a string containing an XHTML listing for that node.
+-->
+<func:function name='f:xhtml-listing'>
+  <xsl:param name='nodeset' select='.' />
+  <xsl:variable name='node' select='$nodeset[1]' />
+
+  <func:result>
+    <xsl:choose>
+      <xsl:when test='$node/self::text()'>
+        <!-- text node -->
+        <xsl:value-of select='$node' />
+      </xsl:when>
+      <xsl:when test='$node/self::comment()'>
+        <!-- comment node -->
+        <xsl:value-of select='concat("&lt;!--", $node, "--&gt;")' />
+      </xsl:when>
+      <xsl:when test='$node/self::*'>
+        <!-- element node -->
+        <xsl:value-of select='concat("&lt;", local-name($node))' />
+        <xsl:value-of select='f:xhtml-listing($node/@*)' />
+        <xsl:if test='not($node/node())'>/</xsl:if>
+        <xsl:value-of select='concat("&gt;", f:xhtml-listing($node/node()))' />
+        <xsl:if test='$node/node()'>
+          <xsl:value-of select='concat("&lt;/", local-name($node), "&gt;")' />
+        </xsl:if>
+      </xsl:when>
+      <xsl:when test='$node'>
+        <!-- attribute node -->
+        <xsl:value-of select='concat(" ", local-name($node), "=")' />
+        <xsl:value-of select='concat("&apos;", $node, "&apos;")' />
+      </xsl:when>
+    </xsl:choose>
+    <xsl:for-each select='$nodeset[position()>1]'>
+      <xsl:value-of select='f:xhtml-listing()' />
+    </xsl:for-each>
+  </func:result>
+</func:function>
+
 </xsl:stylesheet>