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1 /* | 1 /* |
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) | 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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86 // Please take care not to pass these around as they do hold onto a raw pointer. | 86 // Please take care not to pass these around as they do hold onto a raw pointer. |
87 class CSSValueListInspector { | 87 class CSSValueListInspector { |
88 STACK_ALLOCATED(); | 88 STACK_ALLOCATED(); |
89 public: | 89 public: |
90 CSSValueListInspector(CSSValue* value) : m_list((value && value->isValueList
()) ? toCSSValueList(value) : 0) { } | 90 CSSValueListInspector(CSSValue* value) : m_list((value && value->isValueList
()) ? toCSSValueList(value) : 0) { } |
91 CSSValue* item(size_t index) const { ASSERT_WITH_SECURITY_IMPLICATION(index
< length()); return m_list->itemWithoutBoundsCheck(index); } | 91 CSSValue* item(size_t index) const { ASSERT_WITH_SECURITY_IMPLICATION(index
< length()); return m_list->itemWithoutBoundsCheck(index); } |
92 CSSValue* first() const { return item(0); } | 92 CSSValue* first() const { return item(0); } |
93 CSSValue* second() const { return item(1); } | 93 CSSValue* second() const { return item(1); } |
94 size_t length() const { return m_list ? m_list->length() : 0; } | 94 size_t length() const { return m_list ? m_list->length() : 0; } |
95 private: | 95 private: |
96 CSSValueList* m_list; | 96 RawPtrWillBeMember<CSSValueList> m_list; |
97 }; | 97 }; |
98 | 98 |
99 // Wrapper that can be used to iterate over any CSSValue. Non-list values and 0
behave as zero-length lists. | 99 // Wrapper that can be used to iterate over any CSSValue. Non-list values and 0
behave as zero-length lists. |
100 // Objects of this class are intended to be stack-allocated and scoped to a sing
le function. | 100 // Objects of this class are intended to be stack-allocated and scoped to a sing
le function. |
101 // Please take care not to pass these around as they do hold onto a raw pointer. | 101 // Please take care not to pass these around as they do hold onto a raw pointer. |
102 class CSSValueListIterator { | 102 class CSSValueListIterator { |
103 STACK_ALLOCATED(); | 103 STACK_ALLOCATED(); |
104 public: | 104 public: |
105 CSSValueListIterator(CSSValue* value) : m_inspector(value), m_position(0) {
} | 105 CSSValueListIterator(CSSValue* value) : m_inspector(value), m_position(0) {
} |
106 bool hasMore() const { return m_position < m_inspector.length(); } | 106 bool hasMore() const { return m_position < m_inspector.length(); } |
107 CSSValue* value() const { return m_inspector.item(m_position); } | 107 CSSValue* value() const { return m_inspector.item(m_position); } |
108 bool isPrimitiveValue() const { return value()->isPrimitiveValue(); } | 108 bool isPrimitiveValue() const { return value()->isPrimitiveValue(); } |
109 void advance() { m_position++; ASSERT(m_position <= m_inspector.length());} | 109 void advance() { m_position++; ASSERT(m_position <= m_inspector.length());} |
110 size_t index() const { return m_position; } | 110 size_t index() const { return m_position; } |
111 private: | 111 private: |
112 CSSValueListInspector m_inspector; | 112 CSSValueListInspector m_inspector; |
113 size_t m_position; | 113 size_t m_position; |
114 }; | 114 }; |
115 | 115 |
116 } // namespace WebCore | 116 } // namespace WebCore |
117 | 117 |
118 #endif // CSSValueList_h | 118 #endif // CSSValueList_h |
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