From 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 3 Mar 2009 19:30:52 -0800
Subject: auto import from //depot/cupcake/@135843

---
 WebCore/xml/XPathNodeSet.h | 82 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 WebCore/xml/XPathNodeSet.h

(limited to 'WebCore/xml/XPathNodeSet.h')

diff --git a/WebCore/xml/XPathNodeSet.h b/WebCore/xml/XPathNodeSet.h
new file mode 100644
index 0000000..2ab6f1f
--- /dev/null
+++ b/WebCore/xml/XPathNodeSet.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef XPathNodeSet_h
+#define XPathNodeSet_h
+
+#if ENABLE(XPATH)
+
+#include <wtf/Vector.h>
+#include <wtf/Forward.h>
+
+#include "Node.h"
+
+namespace WebCore {
+
+    namespace XPath {
+
+        class NodeSet {
+        public:
+        
+            NodeSet() : m_isSorted(true) {}
+            NodeSet(const NodeSet& other) : m_isSorted(other.m_isSorted), m_nodes(other.m_nodes) {}
+            NodeSet& operator=(const NodeSet& other) { m_isSorted = other.m_isSorted; m_nodes = other.m_nodes; return *this; }
+            
+            size_t size() const { return m_nodes.size(); }
+            bool isEmpty() const { return !m_nodes.size(); }
+            Node* operator[](unsigned i) const { return m_nodes.at(i).get(); }
+            void reserveCapacity(size_t newCapacity) { m_nodes.reserveCapacity(newCapacity); }
+            void clear() { m_nodes.clear(); }
+            void swap(NodeSet& other) { std::swap(m_isSorted, other.m_isSorted); m_nodes.swap(other.m_nodes); }
+
+            // NodeSet itself does not verify that nodes in it are unique.
+            void append(Node* node) { m_nodes.append(node); }
+            void append(PassRefPtr<Node> node) { m_nodes.append(node); }
+            void append(const NodeSet& nodeSet) { m_nodes.append(nodeSet.m_nodes); }
+
+            // Returns the set's first node in document order, or 0 if the set is empty.
+            Node* firstNode() const;
+
+            // Returns 0 if the set is empty.
+            Node* anyNode() const;
+
+            // NodeSet itself doesn't check if it is contains sorted data - the caller should tell it if it does not.
+            void markSorted(bool isSorted) { m_isSorted = isSorted; }
+            bool isSorted() const { return m_isSorted; }
+
+            void sort() const;
+
+            void reverse();
+        
+        private:
+            bool m_isSorted;
+            Vector<RefPtr<Node> > m_nodes;
+        };
+
+    }
+}
+
+#endif // ENABLE(XPATH)
+#endif // XPathNodeSet_h
-- 
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