added XSLT stylesheet to compute CQL-to-PQF config from Zeerex explain record

diff --git a/xml/xslt/explain2cqlpqftxt.xsl b/xml/xslt/explain2cqlpqftxt.xsl
new file mode 100644 (file)
index 0000000..07206a1
--- /dev/null
+++ b/xml/xslt/explain2cqlpqftxt.xsl
@@ -0,0 +1,216 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:e="http://explain.z3950.org/dtd/2.0/"
+                version="1.0">
+  <!--  $Id: explain2cqlpqftxt.xsl,v 1.1 2006-11-29 11:28:18 marc Exp $ -->
+  
+  <xsl:output method="text" encoding="UTF-8"/>
+  
+  <!-- disable all default text node output -->
+  <xsl:template match="text()"/>
+  
+  <!-- match zeerex xml record -->
+  <xsl:template match="e:explain">
+    <xsl:text>
+# Propeties file to drive org.z3950.zing.cql.CQLNode's toPQF()
+# back-end and the YAZ CQL-to-PQF converter.  This specifies the
+# interpretation of various CQL indexes, relations, etc. in terms
+# of Type-1 query attributes.
+#
+# This file is created from a valid ZeeRex Explain XML record using the 
+# XSLT transformation 'explain2cqlpqftxt.xsl'
+#
+# xsltproc explain2cqlpqf.xsl explain.xml
+    </xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:text>&#10;</xsl:text>    
+    <xsl:apply-templates/>
+
+    <xsl:call-template name="static-text"/>
+
+  </xsl:template>
+  
+  <xsl:template match="e:databaseInfo">
+    <xsl:text># Title: </xsl:text><xsl:value-of select="e:title"/>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+  </xsl:template>
+  
+
+  <xsl:template match="e:indexInfo">
+    <xsl:variable name="set-default">
+      <xsl:value-of select="../e:configInfo/e:default[@type='contextSet']"/>
+    </xsl:variable>
+
+    <xsl:text># Set info</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+
+    <xsl:if test="$set-default">
+      <xsl:text># Default set</xsl:text>
+      <xsl:text>&#10;</xsl:text>       
+       <xsl:text>set = </xsl:text>
+       <xsl:value-of select="e:set[@name = $set-default]/@identifier"/>
+       <xsl:text>&#10;</xsl:text>
+      <xsl:text>&#10;</xsl:text>       
+    </xsl:if>
+
+    <xsl:for-each select="e:set">
+      <!--
+      <xsl:text># </xsl:text>
+      <xsl:value-of select="e:title"/>
+      <xsl:text>&#10;</xsl:text>
+      -->
+      <xsl:text>set.</xsl:text><xsl:value-of select="@name"/>
+      <xsl:text> = </xsl:text><xsl:value-of select="@identifier"/>
+      <xsl:text>&#10;</xsl:text>
+    </xsl:for-each>
+    <xsl:text>&#10;</xsl:text>
+
+    <xsl:text># Index info</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:for-each select="e:index">
+      <!--
+      <xsl:text># </xsl:text><xsl:value-of select="e:title"/>
+      <xsl:text>&#10;</xsl:text>
+      -->
+      <xsl:text>index.</xsl:text>
+      <xsl:value-of select="e:map/e:name/@set"/>
+      <xsl:text>.</xsl:text>
+      <xsl:value-of select="e:map/e:name/text()"/>
+      <xsl:text> = </xsl:text>
+      <xsl:for-each select="e:map/e:attr">
+        <xsl:value-of select="@type"/>
+        <xsl:text>=</xsl:text>
+        <xsl:value-of select="text()"/>
+        <xsl:text> </xsl:text>
+      </xsl:for-each>
+      <xsl:text>&#10;</xsl:text>
+    </xsl:for-each>
+    <xsl:text>&#10;</xsl:text>
+  </xsl:template>
+
+  <xsl:template match="e:configInfo">
+    <xsl:text># Relation info</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:for-each select="e:supports[@type='relation']">
+      <xsl:choose>
+        <xsl:when test="text()='&lt;'">
+          <xsl:text>relation.&lt;  = 2=1</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='le'">
+          <xsl:text>relation.le     = 2=2</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='='">
+          <xsl:text>relation.eq  = 2=3</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='eq'">
+          <xsl:text>relation.eq      = 2=3</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='exact'">
+          <xsl:text>relation.exact = 2=3</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='ge'">
+          <xsl:text>relation.ge  = 2=4</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='&gt;'">
+          <xsl:text>relation.&gt;  = 2=5</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='&lt;&gt;'">
+          <xsl:text>relation.&lt;&gt; = 2=6</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='all'">
+          <xsl:text>relation.all      = 2=3</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='any'">
+          <xsl:text>relation.any      = 2=3</xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+      </xsl:choose>
+    </xsl:for-each>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+
+    <xsl:text># Default Relation</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:text>relation.scr = 2=3</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+
+    <xsl:text># RelationModifier info</xsl:text>
+    <xsl:text>&#10;</xsl:text>
+    <xsl:for-each select="e:supports[@type='relationModifier']">
+      <xsl:choose>
+        <xsl:when test="text()='relevant'">
+          <xsl:text>relationModifier.relevant = 2=102 </xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='fuzzy'">
+          <xsl:text>relationModifier.fuzzy = 2=100 </xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='stem'">
+          <xsl:text>relationModifier.stem = 2=101 </xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='phonetic'">
+          <xsl:text>relationModifier.phonetic  = 2=100 </xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+        <xsl:when test="text()='phrase'">
+          <xsl:text>relationModifier.phrase = 6=3 </xsl:text>
+          <xsl:text>&#10;</xsl:text>
+        </xsl:when>
+      </xsl:choose>
+    </xsl:for-each>
+    
+  </xsl:template>
+
+<xsl:template name="static-text">
+    <xsl:text>
+
+# Position attributes 
+position.first                          = 3=1 6=1
+position.any                            = 3=3 6=1
+position.last                           = 3=4 6=1
+position.firstAndLast                   = 3=3 6=3
+
+# Structure attributes may be specified for individual relations; a
+# default structure attribute my be specified by the pseudo-relation
+# "*", to be used whenever a relation not listed here occurs.
+#
+structure.exact                         = 4=108
+structure.all                           = 4=2
+structure.any                           = 4=2
+structure.*                             = 4=1
+structure.eq                            = 4=3
+
+# Truncation attributes used to implement CQL wildcard patterns.  The
+# simpler forms, left, right- and both-truncation will be used for the
+# simplest patterns, so that we produce PQF queries that conform more
+# closely to the Bath Profile.  However, when a more complex pattern
+# such as "foo*bar" is used, we fall back on Z39.58-style masking.
+#
+truncation.right                        = 5=1
+truncation.left                         = 5=2
+truncation.both                         = 5=3
+truncation.none                         = 5=100
+truncation.z3958                        = 5=104
+
+# Finally, any additional attributes that should always be included
+# with each term can be specified in the "always" property.
+#
+# always                                        = 6=1
+# 6=1: completeness = incomplete subfield
+    </xsl:text>
+  </xsl:template>
+
+
+</xsl:stylesheet>