112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
/*
|
|
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of Google Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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 COPYRIGHT
|
|
* OWNER 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <wtf/HashMap.h>
|
|
#include <wtf/HashSet.h>
|
|
#include <wtf/Vector.h>
|
|
#include <wtf/text/AtomStringImpl.h>
|
|
|
|
namespace WebCore {
|
|
|
|
class Element;
|
|
class HTMLImageElement;
|
|
class HTMLLabelElement;
|
|
class HTMLMapElement;
|
|
class TreeScope;
|
|
|
|
class TreeScopeOrderedMap {
|
|
WTF_MAKE_FAST_ALLOCATED;
|
|
public:
|
|
void add(const AtomStringImpl&, Element&, const TreeScope&);
|
|
void remove(const AtomStringImpl&, Element&);
|
|
void clear();
|
|
|
|
bool contains(const AtomStringImpl&) const;
|
|
bool containsSingle(const AtomStringImpl&) const;
|
|
bool containsMultiple(const AtomStringImpl&) const;
|
|
|
|
// concrete instantiations of the get<>() method template
|
|
Element* getElementById(const AtomStringImpl&, const TreeScope&) const;
|
|
Element* getElementByName(const AtomStringImpl&, const TreeScope&) const;
|
|
HTMLMapElement* getElementByMapName(const AtomStringImpl&, const TreeScope&) const;
|
|
HTMLImageElement* getElementByUsemap(const AtomStringImpl&, const TreeScope&) const;
|
|
HTMLLabelElement* getElementByLabelForAttribute(const AtomStringImpl&, const TreeScope&) const;
|
|
Element* getElementByWindowNamedItem(const AtomStringImpl&, const TreeScope&) const;
|
|
Element* getElementByDocumentNamedItem(const AtomStringImpl&, const TreeScope&) const;
|
|
|
|
const Vector<Element*>* getAllElementsById(const AtomStringImpl&, const TreeScope&) const;
|
|
|
|
const Vector<AtomString> keys() const;
|
|
|
|
private:
|
|
template <typename KeyMatchingFunction>
|
|
Element* get(const AtomStringImpl&, const TreeScope&, const KeyMatchingFunction&) const;
|
|
|
|
struct MapEntry {
|
|
MapEntry() { }
|
|
explicit MapEntry(Element* firstElement)
|
|
: element(firstElement)
|
|
, count(1)
|
|
{ }
|
|
|
|
Element* element { nullptr };
|
|
unsigned count { 0 };
|
|
Vector<Element*> orderedList;
|
|
#if ASSERT_ENABLED || ENABLE(SECURITY_ASSERTIONS)
|
|
HashSet<Element*> registeredElements;
|
|
#endif
|
|
};
|
|
|
|
typedef HashMap<const AtomStringImpl*, MapEntry> Map;
|
|
|
|
mutable Map m_map;
|
|
};
|
|
|
|
inline bool TreeScopeOrderedMap::containsSingle(const AtomStringImpl& id) const
|
|
{
|
|
auto it = m_map.find(&id);
|
|
return it != m_map.end() && it->value.count == 1;
|
|
}
|
|
|
|
inline bool TreeScopeOrderedMap::contains(const AtomStringImpl& id) const
|
|
{
|
|
return m_map.contains(&id);
|
|
}
|
|
|
|
inline bool TreeScopeOrderedMap::containsMultiple(const AtomStringImpl& id) const
|
|
{
|
|
auto it = m_map.find(&id);
|
|
return it != m_map.end() && it->value.count > 1;
|
|
}
|
|
|
|
} // namespace WebCore
|