1 files changed, 115 insertions, 0 deletions
diff --git a/src/share/classes/com/sun/org/apache/xalan/internal/xsltc/dom/CachedNodeListIterator.java b/src/share/classes/com/sun/org/apache/xalan/internal/xsltc/dom/CachedNodeListIterator.java
new file mode 100644
index 0000000..3a3ed93
--- /dev/null
+++ b/src/share/classes/com/sun/org/apache/xalan/internal/xsltc/dom/CachedNodeListIterator.java
@@ -0,0 +1,115 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: CachedNodeListIterator.java,v 1.2.4.1 2005/09/06 05:57:47 pvedula Exp $
+ */
+
+package com.sun.org.apache.xalan.internal.xsltc.dom;
+
+import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
+import com.sun.org.apache.xml.internal.dtm.ref.DTMAxisIteratorBase;
+import com.sun.org.apache.xalan.internal.xsltc.util.IntegerArray;
+
+/**
+ * CachedNodeListIterator is used for select expressions in a
+ * variable or parameter. This iterator caches all nodes in an
+ * IntegerArray. Its cloneIterator() method is overridden to
+ * return an object of ClonedNodeListIterator.
+ */
+public final class CachedNodeListIterator extends DTMAxisIteratorBase {
+
+    /**
+     * Source for this iterator.
+     */
+    private DTMAxisIterator _source;
+    private IntegerArray _nodes = new IntegerArray();
+    private int _numCachedNodes = 0;
+    private int _index = 0;
+    private boolean _isEnded = false;
+
+    public CachedNodeListIterator(DTMAxisIterator source) {
+        _source = source;
+    }
+
+    public void setRestartable(boolean isRestartable) {
+        //_isRestartable = isRestartable;
+        //_source.setRestartable(isRestartable);
+    }
+
+    public DTMAxisIterator setStartNode(int node) {
+        if (_isRestartable) {
+            _startNode = node;
+            _source.setStartNode(node);
+            resetPosition();
+
+            _isRestartable = false;
+        }
+        return this;
+    }
+
+    public int next() {
+        return getNode(_index++);
+    }
+
+    public int getPosition() {
+        return _index == 0 ? 1 : _index;
+    }
+
+    public int getNodeByPosition(int pos) {
+        return getNode(pos);
+    }
+
+    public int getNode(int index) {
+        if (index < _numCachedNodes) {
+            return _nodes.at(index);
+        }
+        else if (!_isEnded){
+            int node = _source.next();
+            if (node != END) {
+                _nodes.add(node);
+                _numCachedNodes++;
+            }
+            else {
+                _isEnded = true;
+            }
+            return node;
+        }
+        else
+            return END;
+    }
+
+    public DTMAxisIterator cloneIterator() {
+        ClonedNodeListIterator clone = new ClonedNodeListIterator(this);
+        return clone;
+    }
+
+    public DTMAxisIterator reset() {
+        _index = 0;
+        return this;
+    }
+
+    public void setMark() {
+        _source.setMark();
+    }
+
+    public void gotoMark() {
+        _source.gotoMark();
+    }
+}