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103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*
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* Copyright (C) 2007, 2008, 2010, 2011, 2012 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef SKY_ENGINE_CORE_DOM_SPACESPLITSTRING_H_
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#define SKY_ENGINE_CORE_DOM_SPACESPLITSTRING_H_
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#include "sky/engine/wtf/RefCounted.h"
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#include "sky/engine/wtf/Vector.h"
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#include "sky/engine/wtf/text/AtomicString.h"
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namespace blink {
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class SpaceSplitString {
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public:
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SpaceSplitString() { }
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SpaceSplitString(const AtomicString& string, bool shouldFoldCase) { set(string, shouldFoldCase); }
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bool operator!=(const SpaceSplitString& other) const { return m_data != other.m_data; }
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void set(const AtomicString&, bool shouldFoldCase);
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void clear() { m_data.clear(); }
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bool contains(const AtomicString& string) const { return m_data && m_data->contains(string); }
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bool containsAll(const SpaceSplitString& names) const { return !names.m_data || (m_data && m_data->containsAll(*names.m_data)); }
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void add(const AtomicString&);
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bool remove(const AtomicString&);
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size_t size() const { return m_data ? m_data->size() : 0; }
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bool isNull() const { return !m_data; }
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const AtomicString& operator[](size_t i) const { ASSERT_WITH_SECURITY_IMPLICATION(i < size()); return (*m_data)[i]; }
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private:
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class Data : public RefCounted<Data> {
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public:
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static PassRefPtr<Data> create(const AtomicString&);
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static PassRefPtr<Data> createUnique(const Data&);
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~Data();
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bool contains(const AtomicString& string)
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{
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size_t size = m_vector.size();
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for (size_t i = 0; i < size; ++i) {
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if (m_vector[i] == string)
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return true;
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}
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return false;
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}
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bool containsAll(Data&);
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void add(const AtomicString&);
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void remove(unsigned index);
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bool isUnique() const { return m_keyString.isNull(); }
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size_t size() const { return m_vector.size(); }
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const AtomicString& operator[](size_t i) { ASSERT_WITH_SECURITY_IMPLICATION(i < size()); return m_vector[i]; }
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private:
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explicit Data(const AtomicString&);
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explicit Data(const Data&);
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void createVector(const String&);
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template <typename CharacterType>
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inline void createVector(const CharacterType*, unsigned);
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AtomicString m_keyString;
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Vector<AtomicString, 4> m_vector;
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};
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typedef HashMap<AtomicString, Data*> DataMap;
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static DataMap& sharedDataMap();
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void ensureUnique()
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{
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if (m_data && !m_data->isUnique())
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m_data = Data::createUnique(*m_data);
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}
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RefPtr<Data> m_data;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_DOM_SPACESPLITSTRING_H_
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