xpath_node_set.cc | Explore in Territory

/*
 * Copyright (C) 2007 Alexey Proskuryakov <[email protected]>
 *
 * 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 THE AUTHOR ``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 THE AUTHOR 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.
 */

#include "third_party/blink/renderer/core/xml/xpath_node_set.h"

#include "third_party/blink/renderer/core/dom/attr.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/node_traversal.h"

namespace blink {
namespace xpath {

// When a node set is large, sorting it by traversing the whole document is
// better (we can assume that we aren't dealing with documents that we cannot
// even traverse in reasonable time).
const unsigned kTraversalSortCutoff = …;

NodeSetVector;

NodeSet* NodeSet::Create(const NodeSet& other) { … }

static inline Node* ParentWithDepth(unsigned depth,
                                    const NodeSetVector& parents) { … }

static void SortBlock(unsigned from,
                      unsigned to,
                      HeapVector<NodeSetVector>& parent_matrix,
                      bool may_contain_attribute_nodes) { … }

void NodeSet::Sort() const { … }

static Node* FindRootNode(Node* node) { … }

void NodeSet::TraversalSort() const { … }

void NodeSet::Reverse() { … }

Node* NodeSet::FirstNode() const { … }

Node* NodeSet::AnyNode() const { … }

}  // namespace xpath
}  // namespace blink
chromium/third_party/blink/renderer/core/xml/xpath_node_set.cc
