X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Forg%2Fz3950%2Fzing%2Fcql%2FCQLPrefixNode.java;h=a08fa6487ee0ee45dc3ee63f3dfd3333326c57e6;hb=b53fe47e0bd5f0825b0d8ceeb33538e714bf9e7e;hp=43a526c748dfe0f6715530f983cf0065cf1f9a8c;hpb=64483d3d31c182adfb96fd75f8be10ff9f374d34;p=cql-java-moved-to-github.git

diff --git a/src/org/z3950/zing/cql/CQLPrefixNode.java b/src/org/z3950/zing/cql/CQLPrefixNode.java
index 43a526c..a08fa64 100644
--- a/src/org/z3950/zing/cql/CQLPrefixNode.java
+++ b/src/org/z3950/zing/cql/CQLPrefixNode.java
@@ -1,14 +1,15 @@
-// $Id: CQLPrefixNode.java,v 1.1 2002-11-14 22:04:16 mike Exp $
+// $Id: CQLPrefixNode.java,v 1.8 2007-06-27 22:39:55 mike Exp $
 
 package org.z3950.zing.cql;
 import java.lang.String;
 import java.util.Properties;
+import java.util.Vector;
 
 
 /**
  * Represents a prefix node in a CQL parse-tree.
  *
- * @version	$Id: CQLPrefixNode.java,v 1.1 2002-11-14 22:04:16 mike Exp $
+ * @version	$Id: CQLPrefixNode.java,v 1.8 2007-06-27 22:39:55 mike Exp $
  */
 public class CQLPrefixNode extends CQLNode {
     /**
@@ -24,7 +25,7 @@ public class CQLPrefixNode extends CQLNode {
 
     /**
      * Creates a new CQLPrefixNode inducing a mapping from the
-     * specified qualifier-set name to the specified identifier across
+     * specified index-set name to the specified identifier across
      * the specified subtree.
      */
     public CQLPrefixNode(String name, String identifier, CQLNode subtree) {
@@ -32,29 +33,42 @@ public class CQLPrefixNode extends CQLNode {
 	this.subtree = subtree;
     }
 
-    public String toXCQL(int level) {
-	String maybeName = "";
-	if (prefix.name != null)
-	    maybeName = indent(level+1) + "<name>" + prefix.name + "<name>\n";
-
-	return (indent(level) + "<prefix>\n" + maybeName +
-		indent(level+1) +
-		    "<identifier>" + prefix.identifier + "<identifier>\n" +
-		subtree.toXCQL(level+1) +
-		indent(level) + "</prefix>\n");
+    public String toXCQL(int level, Vector<CQLPrefix> prefixes) {
+//	String maybeName = "";
+//	if (prefix.name != null)
+//	    maybeName = indent(level+1) + "<name>" + prefix.name + "</name>\n";
+//
+//	return (indent(level) + "<prefix>\n" + maybeName +
+//		indent(level+1) +
+//		    "<identifier>" + prefix.identifier + "</identifier>\n" +
+//		subtree.toXCQL(level+1, prefixes) +
+//		indent(level) + "</prefix>\n");
+	Vector<CQLPrefix> tmp = new Vector<CQLPrefix>(prefixes);
+	tmp.add(prefix);
+	return subtree.toXCQL(level, tmp);
     }
 
     public String toCQL() {
-	// ### We don't always need parens around the operand
-	return ">" + prefix.name + "=\"" + prefix.identifier + "\" " +
-	    "(" + subtree.toCQL() + ")";
+	// ### We don't always need parens around the subtree
+	if (prefix.name == null) {
+	    return ">\"" + prefix.identifier + "\" " +
+		"(" + subtree.toCQL() + ")";
+	} else {
+	    return ">" + prefix.name + "=\"" + prefix.identifier + "\" " +
+		"(" + subtree.toCQL() + ")";
+	}
     }
 
     public String toPQF(Properties config) throws PQFTranslationException {
 	// Prefixes and their identifiers don't actually play any role
-	// in PQF translation, since the meanings of the qualifiers,
+	// in PQF translation, since the meanings of the indexes,
 	// including their prefixes if any, are instead wired into
 	// `config'.
 	return subtree.toPQF(config);
     }
+
+    public byte[] toType1BER(Properties config) throws PQFTranslationException {
+	// See comment on toPQF()
+	return subtree.toType1BER(config);
+    }
 }