Beginning of hopefully more efficient marc21 stylesheet

diff --git a/etc/marc22.xsl b/etc/marc22.xsl
new file mode 100644 (file)
index 0000000..093c690
--- /dev/null
+++ b/etc/marc22.xsl
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+    version="1.0"
+    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+    xmlns:pz="http://www.indexdata.com/pazpar2/1.0"
+    xmlns:marc="http://www.loc.gov/MARC21/slim">
+  
+  <xsl:output indent="yes" method="xml" version="1.0" encoding="UTF-8"/>
+
+<!-- Extract metadata from MARC21/USMARC 
+      http://www.loc.gov/marc/bibliographic/ecbdhome.html
+-->  
+  <xsl:template name="record-hook"/>
+
+  <xsl:template match="/">
+    <xsl:apply-templates/>
+  </xsl:template>
+
+  <xsl:template match="marc:record">
+    <xsl:variable name="title_medium" select="marc:datafield[@tag='245']/marc:subfield[@code='h']"/>
+    <xsl:variable name="journal_title" select="marc:datafield[@tag='773']/marc:subfield[@code='t']"/>
+    <xsl:variable name="electronic_location_url" select="marc:datafield[@tag='856']/marc:subfield[@code='u']"/>
+    <xsl:variable name="fulltext_a" select="marc:datafield[@tag='900']/marc:subfield[@code='a']"/>
+    <xsl:variable name="fulltext_b" select="marc:datafield[@tag='900']/marc:subfield[@code='b']"/>
+    <xsl:variable name="medium">
+      <xsl:choose>
+       <xsl:when test="$title_medium">
+         <xsl:value-of select="substring-after(substring-before($title_medium,']'),'[')"/>
+       </xsl:when>
+       <xsl:when test="$fulltext_a">
+         <xsl:text>electronic resource</xsl:text>
+       </xsl:when>
+       <xsl:when test="$fulltext_b">
+         <xsl:text>electronic resource</xsl:text>
+       </xsl:when>
+       <xsl:when test="$journal_title">
+         <xsl:text>article</xsl:text>
+       </xsl:when>
+       <xsl:otherwise>
+         <xsl:text>book</xsl:text>
+       </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+
+    <pz:record>
+      <xsl:attribute name="mergekey">
+        <xsl:text>title </xsl:text>
+       <xsl:value-of select="marc:datafield[@tag='245']/marc:subfield[@code='a']"/>
+       <xsl:text> author </xsl:text>
+       <xsl:value-of select="marc:datafield[@tag='100']/marc:subfield[@code='a']"/>
+       <xsl:text> medium </xsl:text>
+       <xsl:value-of select="$medium"/>
+      </xsl:attribute>
+
+      <xsl:apply-templates/>
+
+      <!-- other stylesheets importing this might want to define this -->
+      <xsl:call-template name="record-hook"/>
+
+    </pz:record>    
+  </xsl:template>
+
+  <xsl:template match="marc:controlfield[@tag='001']">
+    <pz:metadata type="id">
+      <xsl:value-of select="."/>
+    </pz:metadata>
+  </xsl:template>
+
+  <xsl:template match="marc:datafield[@tag='010']">
+    <pz:metadata type="lccn">
+      <xsl:value-of select="marc:subfield[@code='a']"/>
+    </pz:metadata>
+  </xsl:template>
+
+  <xsl:template match="marc:datafield[@tag='020']">
+    <pz:metadata type="isbn">
+      <xsl:value-of select="marc:subfield[@code='a']"/>
+    </pz:metadata>
+  </xsl:template>
+  
+  <!-- does ANYONE need this?
+  <xsl:template match="marc:datafield[@tag='027']">
+    <pz:metadata type="tech-rep-nr">
+      <xsl:value-of select="marc:subfield[@code='a']"/>
+    </pz:metadata>
+  </xsl:template>
+  -->
+  
+  <xsl:template match="marc:datafield[@tag='035']">
+    <pz:metadata type="system-control-nr">
+      <xsl:value-of select="marc:subfield[@code='a']"/>
+    </pz:metadata>
+  </xsl:template>
+  
+  <xsl:template match="marc:datafield[@tag='100']">
+    <pz:metadata type="author">
+      <xsl:value-of select="marc:subfield[@code='a']"/>
+    </pz:metadata>
+    <pz:metadata type="author-title">
+      <xsl:value-of select="marc:subfield[@code='c']"/>
+    </pz:metadata>
+    <pz:metadata type="author-date">
+      <xsl:value-of select="marc:subfield[@code='d']"/>
+    </pz:metadata>
+  </xsl:template>
+
+  <xsl:template match="text()"/>
+
+</xsl:stylesheet>