X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Forg%2Fz3950%2Fzing%2Fcql%2FCQLBooleanNode.java;h=9462914e3b55602f6d04f8110e0bcdb179d2d8a9;hb=f57d48d060411f662eea823b97cc45038bda0def;hp=a3c37496ce37575a176977a322f62b782289e614;hpb=df372083094087da8590a526e0222c81c9ae7fc0;p=cql-java-moved-to-github.git

diff --git a/src/org/z3950/zing/cql/CQLBooleanNode.java b/src/org/z3950/zing/cql/CQLBooleanNode.java
index a3c3749..9462914 100644
--- a/src/org/z3950/zing/cql/CQLBooleanNode.java
+++ b/src/org/z3950/zing/cql/CQLBooleanNode.java
@@ -1,16 +1,16 @@
-// $Id: CQLBooleanNode.java,v 1.7 2002-11-06 00:05:58 mike Exp $
+// $Id: CQLBooleanNode.java,v 1.17 2007-07-03 13:40:13 mike Exp $
 
 package org.z3950.zing.cql;
+import java.util.Properties;
+import java.util.Vector;
 
 
 /**
  * Represents a boolean node in a CQL parse-tree.
  *
- * @version	$Id: CQLBooleanNode.java,v 1.7 2002-11-06 00:05:58 mike Exp $
+ * @version	$Id: CQLBooleanNode.java,v 1.17 2007-07-03 13:40:13 mike Exp $
  */
 public abstract class CQLBooleanNode extends CQLNode {
-    CQLBooleanNode() {}		// prevent javadoc from documenting this
-
     /**
      * The root of a parse-tree representing the left-hand side.
      */ 
@@ -21,25 +21,71 @@ public abstract class CQLBooleanNode extends CQLNode {
      */ 
     public CQLNode right;
 
-    abstract String op();
+    /**
+     * The set of modifiers that are applied to this boolean.
+     */
+    public ModifierSet ms;
 
-    public String toXCQL(int level) {
-	return (indent(level) + "<triple>\n" +
-		booleanXQL(level+1) +
-		left.toXCQL(level+1) +
-		right.toXCQL(level+1) +
-		indent(level) + "</triple>\n");
+    protected CQLBooleanNode(CQLNode left, CQLNode right, ModifierSet ms) {
+	this.left = left;
+	this.right = right;
+	this.ms = ms;
     }
 
-    // Represents the boolean operation itself: overridden for CQLProxNode
-    String booleanXQL(int level) {
-	return(indent(level) + "<boolean>\n" +
-	       indent(level+1) + "<value>" + op() + "</value>\n" +
-	       indent(level) + "</boolean>\n");
+    public String toXCQL(int level, Vector prefixes, Vector sortkeys) {
+	if (sortkeys != null)
+	    throw new Error("CQLBooleanNode.toXCQL() called with sortkeys");
+
+	return (indent(level) + "<triple>\n" +
+		renderPrefixes(level+1, prefixes) +
+		ms.toXCQL(level+1, "boolean") +
+		indent(level+1) + "<leftOperand>\n" +
+		left.toXCQL(level+2) +
+		indent(level+1) + "</leftOperand>\n" +
+		indent(level+1) + "<rightOperand>\n" +
+		right.toXCQL(level+2) +
+		indent(level+1) + "</rightOperand>\n" +
+		indent(level) + "</triple>\n");
     }
 
     public String toCQL() {
 	// ### We don't always need parens around the operands
-	return "(" + left.toCQL() + ") " + op() + " (" + right.toCQL() + ")";
+	return ("(" + left.toCQL() + ")" +
+		" " + ms.toCQL() + " " +
+		"(" + right.toCQL() + ")");
     }
+
+    public String toPQF(Properties config) throws PQFTranslationException {
+	return ("@" + opPQF() +
+		" " + left.toPQF(config) +
+		" " + right.toPQF(config));
+    }
+
+    // represents the operation for PQF: overridden for CQLProxNode
+    String opPQF() { return ms.getBase(); }
+
+    public byte[] toType1BER(Properties config) throws PQFTranslationException {
+        System.out.println("in CQLBooleanNode.toType1BER(): PQF=" +
+			   toPQF(config));
+        byte[] rpn1 = left.toType1BER(config);
+        byte[] rpn2 = right.toType1BER(config);
+        byte[] op = opType1();
+        byte[] rpnStructure = new byte[rpn1.length+rpn2.length+op.length+4];
+        
+	// rpnRpnOp
+        int offset = putTag(CONTEXT, 1, CONSTRUCTED, rpnStructure, 0);
+
+        rpnStructure[offset++] = (byte)(0x80&0xff); // indefinite length
+        System.arraycopy(rpn1, 0, rpnStructure, offset, rpn1.length);
+        offset += rpn1.length;
+        System.arraycopy(rpn2, 0, rpnStructure, offset, rpn2.length);
+        offset += rpn2.length;
+        System.arraycopy(op, 0, rpnStructure, offset, op.length);
+        offset += op.length;
+        rpnStructure[offset++] = 0x00; // end rpnRpnOp
+        rpnStructure[offset++] = 0x00;
+        return rpnStructure;
+    }
+
+    abstract byte[] opType1();
 }