1 /* 2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 17 * Boston, MA 02111-1307, USA. 18 * 19 */ 20 21 #ifndef SpaceSplitString_h 22 #define SpaceSplitString_h 23 24 #include <wtf/OwnPtr.h> 25 #include <wtf/PassOwnPtr.h> 26 #include <wtf/Vector.h> 27 #include <wtf/text/AtomicString.h> 28 29 namespace WebCore { 30 31 class SpaceSplitStringData { 32 WTF_MAKE_NONCOPYABLE(SpaceSplitStringData); WTF_MAKE_FAST_ALLOCATED; 33 public: SpaceSplitStringData(const String & string,bool shouldFoldCase)34 SpaceSplitStringData(const String& string, bool shouldFoldCase) 35 : m_string(string), m_shouldFoldCase(shouldFoldCase), m_createdVector(false) 36 { 37 } 38 contains(const AtomicString & string)39 bool contains(const AtomicString& string) 40 { 41 ensureVector(); 42 size_t size = m_vector.size(); 43 for (size_t i = 0; i < size; ++i) { 44 if (m_vector[i] == string) 45 return true; 46 } 47 return false; 48 } 49 50 bool containsAll(SpaceSplitStringData&); 51 52 void add(const AtomicString&); 53 void remove(const AtomicString&); 54 size()55 size_t size() { ensureVector(); return m_vector.size(); } 56 const AtomicString& operator[](size_t i) { ensureVector(); ASSERT(i < size()); return m_vector[i]; } 57 58 private: ensureVector()59 void ensureVector() { if (!m_createdVector) createVector(); } 60 void createVector(); 61 62 typedef Vector<AtomicString, 8> StringVector; 63 String m_string; 64 StringVector m_vector; 65 bool m_shouldFoldCase; 66 bool m_createdVector; 67 }; 68 69 class SpaceSplitString { 70 public: SpaceSplitString()71 SpaceSplitString() { } SpaceSplitString(const String & string,bool shouldFoldCase)72 SpaceSplitString(const String& string, bool shouldFoldCase) : m_data(adoptPtr(new SpaceSplitStringData(string, shouldFoldCase))) { } 73 set(const String & string,bool shouldFoldCase)74 void set(const String& string, bool shouldFoldCase) { m_data = adoptPtr(new SpaceSplitStringData(string, shouldFoldCase)); } clear()75 void clear() { m_data.clear(); } 76 contains(const AtomicString & string)77 bool contains(const AtomicString& string) const { return m_data && m_data->contains(string); } containsAll(const SpaceSplitString & names)78 bool containsAll(const SpaceSplitString& names) const { return !names.m_data || (m_data && m_data->containsAll(*names.m_data)); } 79 void add(const AtomicString&); 80 void remove(const AtomicString&); 81 size()82 size_t size() const { return m_data ? m_data->size() : 0; } isNull()83 bool isNull() const { return !m_data; } 84 const AtomicString& operator[](size_t i) const { ASSERT(i < size()); return (*m_data)[i]; } 85 86 private: 87 OwnPtr<SpaceSplitStringData> m_data; 88 }; 89 90 } // namespace WebCore 91 92 #endif // SpaceSplitString_h 93