- the mathql interpreter is not helm-dependent any more

[helm.git] / helm / style / link.xsl

diff --git a/helm/style/link.xsl b/helm/style/link.xsl
index d5af006e1d72e3b2dc5ada821b1639d0c9fb5964..e3568a18ffb386ca03acc26471127570a4115197 100644 (file)
--- a/helm/style/link.xsl
+++ b/helm/style/link.xsl
@@ -26,6 +26,7 @@
 
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                               xmlns:m="http://www.w3.org/1998/Math/MathML"
+                              xmlns:helm="http://www.cs.unibo.it/helm"
                               xmlns:xlink="http://www.w3.org/1999/xlink">
 
 <!--***********************************************************************--> 
@@ -36,34 +37,73 @@
 
 <xsl:import href="links_library.xsl"/>
 
-<xsl:template match="*[@xlink:href]">
- <xsl:copy>
-    <xsl:copy-of select="@*"/>
-    <xsl:attribute name="xlink:href">
-     <xsl:call-template name="makeURL">
-      <xsl:with-param name="uri" select="@xlink:href"/>
-     </xsl:call-template>
-    </xsl:attribute>
-    <xsl:attribute name="xlink:show">other</xsl:attribute>
+<xsl:key name="id" use="@id" match="m:*"/>
+
+<xsl:template match = "m:semantics">
+   <xsl:apply-templates select="*[1]" mode="semantics"/>
+</xsl:template>
+
+<!-- Discharging content markup mantaining the linking info (helm:xref and 
+xlink:href) -->
+<xsl:template match = "*" mode="semantics">
+  <xsl:copy>
+   <xsl:copy-of select="@*"/>
+   <xsl:if test="@xref">
+    <xsl:variable name="cnode" select="key('id',@xref)"/>
+    <xsl:if test="$cnode/@definitionURL"> 
+     <xsl:attribute name="xlink:href">
+      <xsl:call-template name="makeURL"><xsl:with-param name="uri" select="$cnode/@definitionURL"/></xsl:call-template>
+     </xsl:attribute>
     <!-- xlink:show='other' requires the exact modality to be -->
     <!-- specified in non-xlink markup. The point is that the -->
     <!-- element is already MathML ==> we can't add other     -->
     <!-- markup without introducing another new namespace.    -->
     <!-- So, for now no markup is used.                       -->
-    <xsl:apply-templates/>
- </xsl:copy>
+     <xsl:attribute name="xlink:show">other</xsl:attribute>
+    </xsl:if>
+    <xsl:if test="$cnode/@helm:xref">
+     <xsl:attribute name="helm:xref">
+      <xsl:value-of select="$cnode/@helm:xref"/>
+     </xsl:attribute>
+    </xsl:if> 
+   </xsl:if>
+   <xsl:apply-templates mode="semantics"/>
+  </xsl:copy>
 </xsl:template>
 
 <!-- _top to refresh the whole frameset (avoids the matrioska effect ;-) -->
-<xsl:template match="a[@href]">
+<!-- a[@href] doesn't match with every anchor elements!!!                -->
+<xsl:template match="*[@href]">
    <xsl:copy>
     <xsl:copy-of select="@*"/> 
-    <xsl:attribute name="href">
-     <xsl:call-template name="makeURL">
-      <xsl:with-param name="uri" select="@href"/>
-     </xsl:call-template>
-    </xsl:attribute>
-    <xsl:attribute name="target">cic</xsl:attribute>
+    <xsl:choose>
+    <xsl:when test="starts-with(@href,&quot;cic:&quot;)">
+     <xsl:attribute name="href">
+      <xsl:call-template name="makeURL">
+       <xsl:with-param name="uri" select="@href"/>
+      </xsl:call-template>
+     </xsl:attribute>
+     <xsl:attribute name="target">cic</xsl:attribute>
+    </xsl:when>
+    <xsl:when test="starts-with(@href,&quot;theory:&quot;)">
+     <xsl:attribute name="href">
+      <xsl:call-template name="makeTheoryURL">
+       <xsl:with-param name="uri" select="@href"/>
+      </xsl:call-template>
+     </xsl:attribute>
+     <xsl:attribute name="target">theory</xsl:attribute>
+    </xsl:when>
+    <xsl:when test="starts-with(@href,&quot;#&quot;)">
+     <xsl:attribute name="href"><xsl:value-of  select="@href"/></xsl:attribute>
+     <xsl:if test="@target">
+      <xsl:attribute name="target"><xsl:value-of select="@target"/></xsl:attribute>
+     </xsl:if>
+    </xsl:when>
+    <xsl:otherwise>
+     <xsl:attribute name="href"><xsl:value-of  select="@href"/></xsl:attribute>
+     <xsl:attribute name="target">_blank</xsl:attribute>
+    </xsl:otherwise>
+    </xsl:choose>
     <xsl:apply-templates/>
    </xsl:copy>
 </xsl:template>