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authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/xml/XPathNodeSet.h
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
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Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes: Merge WebKit at r75315: Update WebKit version Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs Merge WebKit at r75315: Stub out AXObjectCache::remove() Merge WebKit at r75315: Fix ImageBuffer Merge WebKit at r75315: Fix PluginData::initPlugins() Merge WebKit at r75315: Fix conflicts Merge WebKit at r75315: Fix Makefiles Merge WebKit at r75315: Move Android-specific WebCore files to Source Merge WebKit at r75315: Initial merge by git.
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diff --git a/Source/WebCore/xml/XPathNodeSet.h b/Source/WebCore/xml/XPathNodeSet.h
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+/*
+ * 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 FastAllocBase {
+ public:
+ NodeSet() : m_isSorted(true), m_subtreesAreDisjoint(false) { }
+
+ 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); std::swap(m_subtreesAreDisjoint, other.m_subtreesAreDisjoint); 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 contains nodes in document order - the caller should tell it if it does not.
+ void markSorted(bool isSorted) { m_isSorted = isSorted; }
+ bool isSorted() const { return m_isSorted || m_nodes.size() < 2; }
+
+ void sort() const;
+
+ // No node in the set is ancestor of another. Unlike m_isSorted, this is assumed to be false, unless the caller sets it to true.
+ void markSubtreesDisjoint(bool disjoint) { m_subtreesAreDisjoint = disjoint; }
+ bool subtreesAreDisjoint() const { return m_subtreesAreDisjoint || m_nodes.size() < 2; }
+
+ void reverse();
+
+ private:
+ bool m_isSorted;
+ bool m_subtreesAreDisjoint;
+ Vector<RefPtr<Node> > m_nodes;
+ };
+
+ }
+}
+
+#endif // ENABLE(XPATH)
+#endif // XPathNodeSet_h