Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007, 2008, 2010, 2011, 2012 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 | |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 24 | #include "wtf/RefCounted.h" |
| 25 | #include "wtf/Vector.h" |
| 26 | #include "wtf/text/AtomicString.h" |
Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 27 | |
| 28 | namespace WebCore { |
| 29 | |
| 30 | class SpaceSplitStringData : public RefCounted<SpaceSplitStringData> { |
| 31 | public: |
| 32 | static PassRefPtr<SpaceSplitStringData> create(const AtomicString&); |
| 33 | static PassRefPtr<SpaceSplitStringData> createUnique(const SpaceSplitStringData&); |
| 34 | |
| 35 | ~SpaceSplitStringData(); |
| 36 | |
| 37 | bool contains(const AtomicString& string) |
| 38 | { |
| 39 | size_t size = m_vector.size(); |
| 40 | for (size_t i = 0; i < size; ++i) { |
| 41 | if (m_vector[i] == string) |
| 42 | return true; |
| 43 | } |
| 44 | return false; |
| 45 | } |
| 46 | |
| 47 | bool containsAll(SpaceSplitStringData&); |
| 48 | |
| 49 | void add(const AtomicString&); |
| 50 | void remove(unsigned index); |
| 51 | |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 52 | bool isUnique() const { return m_keyString.isNull(); } |
Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 53 | size_t size() const { return m_vector.size(); } |
Torne (Richard Coles) | 926b001 | 2013-03-28 15:32:48 +0000 | [diff] [blame] | 54 | const AtomicString& operator[](size_t i) { ASSERT_WITH_SECURITY_IMPLICATION(i < size()); return m_vector[i]; } |
Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 55 | |
| 56 | private: |
| 57 | explicit SpaceSplitStringData(const AtomicString&); |
| 58 | explicit SpaceSplitStringData(const SpaceSplitStringData&); |
| 59 | |
| 60 | void createVector(const String&); |
| 61 | template <typename CharacterType> |
| 62 | inline void createVector(const CharacterType*, unsigned); |
| 63 | |
| 64 | AtomicString m_keyString; |
| 65 | Vector<AtomicString, 4> m_vector; |
| 66 | }; |
| 67 | |
| 68 | class SpaceSplitString { |
| 69 | public: |
| 70 | SpaceSplitString() { } |
| 71 | SpaceSplitString(const AtomicString& string, bool shouldFoldCase) { set(string, shouldFoldCase); } |
| 72 | |
Torne (Richard Coles) | 926b001 | 2013-03-28 15:32:48 +0000 | [diff] [blame] | 73 | bool operator!=(const SpaceSplitString& other) const { return m_data != other.m_data; } |
| 74 | |
Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 75 | void set(const AtomicString&, bool shouldFoldCase); |
| 76 | void clear() { m_data.clear(); } |
| 77 | |
| 78 | bool contains(const AtomicString& string) const { return m_data && m_data->contains(string); } |
| 79 | bool containsAll(const SpaceSplitString& names) const { return !names.m_data || (m_data && m_data->containsAll(*names.m_data)); } |
| 80 | void add(const AtomicString&); |
| 81 | bool remove(const AtomicString&); |
| 82 | |
| 83 | size_t size() const { return m_data ? m_data->size() : 0; } |
| 84 | bool isNull() const { return !m_data; } |
Torne (Richard Coles) | 926b001 | 2013-03-28 15:32:48 +0000 | [diff] [blame] | 85 | const AtomicString& operator[](size_t i) const { ASSERT_WITH_SECURITY_IMPLICATION(i < size()); return (*m_data)[i]; } |
Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 86 | |
| 87 | private: |
| 88 | void ensureUnique() |
| 89 | { |
| 90 | if (m_data && !m_data->isUnique()) |
| 91 | m_data = SpaceSplitStringData::createUnique(*m_data); |
| 92 | } |
| 93 | |
| 94 | RefPtr<SpaceSplitStringData> m_data; |
| 95 | }; |
| 96 | |
| 97 | } // namespace WebCore |
| 98 | |
| 99 | #endif // SpaceSplitString_h |