Add back the last-in-field anchoring code.

[cql-java-moved-to-github.git] / src / org / z3950 / zing / cql / CQLTermNode.java

diff --git a/src/org/z3950/zing/cql/CQLTermNode.java b/src/org/z3950/zing/cql/CQLTermNode.java
index 516fd33..87a651d 100644 (file)
--- a/src/org/z3950/zing/cql/CQLTermNode.java
+++ b/src/org/z3950/zing/cql/CQLTermNode.java
@@ -1,4 +1,4 @@
-// $Id: CQLTermNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
+// $Id: CQLTermNode.java,v 1.14 2002-12-09 16:55:19 mike Exp $
 
 package org.z3950.zing.cql;
 import java.util.Properties;
@@ -12,7 +12,7 @@ import java.util.Vector;
  * these must be provided - you can't have a qualifier without a
  * relation or vice versa.
  *
- * @version    $Id: CQLTermNode.java,v 1.12 2002-12-05 17:14:52 mike Exp $
+ * @version    $Id: CQLTermNode.java,v 1.14 2002-12-09 16:55:19 mike Exp $
  */
 public class CQLTermNode extends CQLNode {
     private String qualifier;
@@ -103,12 +103,23 @@ public class CQLTermNode extends CQLNode {
            attrs.add(attr);
        }
 
-       String pos = "unanchored";
+       String pos = "any";
        String text = term;
        if (text.length() > 0 && text.substring(0, 1).equals("^")) {
-           text = text.substring(1);
-           pos = "anchored";
+           text = text.substring(1); // ### change not seen by caller
+           pos = "first";
+       }
+       int len = text.length();
+       if (len > 0 && text.substring(len-1, len).equals("^")) {
+           text = text.substring(0, len-1); // ### change not seen by caller
+           pos = pos.equals("first") ? "firstAndLast" : "last";
+           // ### in the firstAndLast case, the standard
+           //  pqf.properties file specifies that we generate a
+           //  completeness=whole-field attributem, which means that
+           //  we don't generate a position attribute at all.  Do we
+           //  care?  Does it matter?
        }
+
        attr = config.getProperty("position." + pos);
        if (attr == null)
            throw new UnknownPositionException(pos);
@@ -134,6 +145,10 @@ public class CQLTermNode extends CQLNode {
        String text = term;
        if (text.length() > 0 && text.substring(0, 1).equals("^"))
            text = text.substring(1);
+       int len = text.length();
+       if (len > 0 && text.substring(len-1, len).equals("^"))
+           text = text.substring(0, len-1);
+
        return s + maybeQuote(text);
     }
 
@@ -155,13 +170,14 @@ public class CQLTermNode extends CQLNode {
        return str;
     }
 
-    /**
-     * ### Document this!
-     */
     public byte[] toType1(Properties config) throws PQFTranslationException {
        String text = term;
        if (text.length() > 0 && text.substring(0, 1).equals("^"))
            text = text.substring(1);
+       int len = text.length();
+       if (len > 0 && text.substring(len-1, len).equals("^"))
+           text = text.substring(0, len-1);
+
        String attr, attrList, term = maybeQuote(text);
        System.out.println("in CQLTermNode.toType101(): PQF=" + toPQF(config));
        byte[] operand = new byte[text.length()+100];