1 files changed, 122 insertions, 0 deletions
diff --git a/xsl/resolver.xsl b/xsl/resolver.xsl
new file mode 100644
index 0000000..87dc543
--- /dev/null
+++ b/xsl/resolver.xsl
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:dyn="http://exslt.org/dynamic"
+ extension-element-prefixes="dyn"
+>
+ <xsl:output method="html" doctype-public="-//W3C//DTD HTML 4.01//EN" doctype-system="http://www.w3.org/TR/html40/strict.dtd" indent="yes"/>
+
+ <xsl:include href="identity.xsl"/>
+
+ <xsl:param name="sitemapuri"/>
+ <xsl:variable name="map" select="document($sitemapuri,document(''))"/>
+ <xsl:param name="active"/>
+ <xsl:variable name="activenode" select="dyn:evaluate(concat('$map',$active))"/>
+
+ <xsl:variable name="lang" select="/html/@xml_lang"/>
+
+ <!-- bisogna fare così, perché è un errore aggiungere attributi dopo i nodi figli, quindi bisogna forzare l'ordine. -->
+ <xsl:template match="*[@href|@src]">
+  <xsl:copy>
+   <xsl:apply-templates select="@*"/>
+   <xsl:apply-templates select="*|text()"/>
+  </xsl:copy>
+ </xsl:template>
+
+ <xsl:template match="@href|@src">
+
+  <xsl:attribute name="{name()}">
+
+   <xsl:choose>
+    <xsl:when test="$lang and starts-with(string(),'resolve:')">
+     <xsl:variable name="sub" select="substring-after(string(),':')"/>
+     <xsl:choose>
+      <xsl:when test="contains($sub,':')">
+       <xsl:call-template name="resolve">
+        <xsl:with-param name="ref"><xsl:value-of select="concat('resolve:',substring-after($sub,':'))"/></xsl:with-param>
+        <xsl:with-param name="nav" select="$map/sitemap/section[@name=substring-before($sub,':')]"/>
+       </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:call-template name="resolve">
+        <xsl:with-param name="ref"><xsl:value-of select="."/></xsl:with-param>
+        <xsl:with-param name="nav" select="$map/sitemap/section[@name=$lang]"/>
+       </xsl:call-template>
+      </xsl:otherwise>
+     </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+     <xsl:call-template name="resolve">
+      <xsl:with-param name="ref"><xsl:value-of select="."/></xsl:with-param>
+     </xsl:call-template>
+    </xsl:otherwise>
+   </xsl:choose>
+
+  </xsl:attribute>
+ </xsl:template>
+
+ <xsl:template name="getpath">
+  <xsl:param name="dest"/>
+  <xsl:choose>
+   <xsl:when test="count($dest|$map/sitemap)=1">
+    <xsl:value-of select="$dest/@baseURL"/>
+   </xsl:when>
+   <xsl:otherwise>
+    <xsl:call-template name="getpath"><xsl:with-param name="dest" select="$dest/parent::*"/></xsl:call-template><xsl:if test="$dest/@dest"><xsl:value-of select="concat('/',$dest/@dest)"/></xsl:if>
+   </xsl:otherwise>
+  </xsl:choose>
+ </xsl:template>
+
+ <xsl:template name="resolve">
+  <xsl:param name="ref"/>
+  <xsl:param name="nav" select="$map/sitemap"/>
+  <xsl:choose>
+   <xsl:when test="starts-with($ref,'resolve:')">
+    <xsl:variable name="rif" select="substring-after($ref,':')"/>
+    <xsl:choose>
+     <xsl:when test="contains($rif,'#')">
+      <xsl:variable name="refname" select="substring-before($rif,'#')"/>
+      <xsl:variable name="fragment" select="substring-after($ref,'#')"/>
+      <xsl:choose>
+       <xsl:when test="$nav//*[@name=$refname]">
+        <xsl:call-template name="getpath">
+         <xsl:with-param name="dest" select="$nav//*[@name=$refname]"/>
+        </xsl:call-template>
+        <xsl:value-of select="concat('#',$fragment)"/>
+       </xsl:when>
+       <xsl:when test="$map/sitemap//*[@name=$refname]">
+        <xsl:call-template name="getpath">
+         <xsl:with-param name="dest" select="$map/sitemap//*[@name=$refname][1]"/>
+        </xsl:call-template>
+        <xsl:value-of select="concat('#',$fragment)"/>
+       </xsl:when>
+       <xsl:otherwise>
+        <xsl:text>WRONG REF:</xsl:text><xsl:value-of select="$ref"/>
+       </xsl:otherwise>
+      </xsl:choose>
+     </xsl:when>
+     <xsl:otherwise>
+      <xsl:choose>
+       <xsl:when test="$nav//*[@name=$rif]">
+        <xsl:call-template name="getpath">
+         <xsl:with-param name="dest" select="$nav//*[@name=$rif]"/>
+        </xsl:call-template>
+       </xsl:when>
+       <xsl:when test="$map/sitemap//*[@name=$rif]">
+        <xsl:call-template name="getpath">
+         <xsl:with-param name="dest" select="$map/sitemap//*[@name=$rif][1]"/>
+        </xsl:call-template>
+       </xsl:when>
+       <xsl:otherwise>
+        <xsl:text>WRONG REF:</xsl:text><xsl:value-of select="$ref"/>
+       </xsl:otherwise>
+      </xsl:choose>       
+     </xsl:otherwise>
+    </xsl:choose>
+   </xsl:when>
+   <xsl:otherwise>
+    <xsl:value-of select="$ref"/>
+   </xsl:otherwise>
+  </xsl:choose>
+ </xsl:template>
+
+</xsl:stylesheet>