Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| 3 | * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Library General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Library General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Library General Public License |
| 16 | * along with this library; see the file COPYING.LIB. If not, write to |
| 17 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 18 | * Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef CSSValueList_h |
| 22 | #define CSSValueList_h |
| 23 | |
| 24 | #include "core/css/CSSValue.h" |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 25 | #include "wtf/PassRefPtr.h" |
| 26 | #include "wtf/Vector.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 27 | |
| 28 | namespace WebCore { |
| 29 | |
| 30 | class CSSParserValueList; |
| 31 | |
| 32 | class CSSValueList : public CSSValue { |
| 33 | public: |
| 34 | static PassRefPtr<CSSValueList> createCommaSeparated() |
| 35 | { |
| 36 | return adoptRef(new CSSValueList(CommaSeparator)); |
| 37 | } |
| 38 | static PassRefPtr<CSSValueList> createSpaceSeparated() |
| 39 | { |
| 40 | return adoptRef(new CSSValueList(SpaceSeparator)); |
| 41 | } |
| 42 | static PassRefPtr<CSSValueList> createSlashSeparated() |
| 43 | { |
| 44 | return adoptRef(new CSSValueList(SlashSeparator)); |
| 45 | } |
| 46 | static PassRefPtr<CSSValueList> createFromParserValueList(CSSParserValueList* list) |
| 47 | { |
| 48 | return adoptRef(new CSSValueList(list)); |
| 49 | } |
| 50 | |
| 51 | size_t length() const { return m_values.size(); } |
| 52 | CSSValue* item(size_t index) { return index < m_values.size() ? m_values[index].get() : 0; } |
| 53 | const CSSValue* item(size_t index) const { return index < m_values.size() ? m_values[index].get() : 0; } |
| 54 | CSSValue* itemWithoutBoundsCheck(size_t index) { return m_values[index].get(); } |
| 55 | |
| 56 | void append(PassRefPtr<CSSValue> value) { m_values.append(value); } |
| 57 | void prepend(PassRefPtr<CSSValue> value) { m_values.prepend(value); } |
| 58 | bool removeAll(CSSValue*); |
| 59 | bool hasValue(CSSValue*) const; |
| 60 | PassRefPtr<CSSValueList> copy(); |
| 61 | |
Ben Murdoch | 591b958 | 2013-07-10 11:41:44 +0100 | [diff] [blame] | 62 | String customCssText(CssTextFormattingFlags = QuoteCSSStringIfNeeded) const; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 63 | bool equals(const CSSValueList&) const; |
| 64 | bool equals(const CSSValue&) const; |
| 65 | String customSerializeResolvingVariables(const HashMap<AtomicString, String>&) const; |
| 66 | |
| 67 | void addSubresourceStyleURLs(ListHashSet<KURL>&, const StyleSheetContents*) const; |
| 68 | |
| 69 | bool hasFailedOrCanceledSubresources() const; |
| 70 | |
| 71 | PassRefPtr<CSSValueList> cloneForCSSOM() const; |
| 72 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 73 | protected: |
| 74 | CSSValueList(ClassType, ValueListSeparator); |
| 75 | CSSValueList(const CSSValueList& cloneFrom); |
| 76 | |
| 77 | private: |
| 78 | explicit CSSValueList(ValueListSeparator); |
| 79 | explicit CSSValueList(CSSParserValueList*); |
| 80 | |
| 81 | Vector<RefPtr<CSSValue>, 4> m_values; |
| 82 | }; |
| 83 | |
Torne (Richard Coles) | e524955 | 2013-05-15 11:35:13 +0100 | [diff] [blame] | 84 | inline CSSValueList* toCSSValueList(CSSValue* value) |
| 85 | { |
| 86 | ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isValueList()); |
| 87 | return static_cast<CSSValueList*>(value); |
| 88 | } |
| 89 | |
| 90 | inline const CSSValueList* toCSSValueList(const CSSValue* value) |
| 91 | { |
| 92 | ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isValueList()); |
| 93 | return static_cast<const CSSValueList*>(value); |
| 94 | } |
| 95 | |
| 96 | // Catch unneeded cast. |
| 97 | void toCSSValueList(const CSSValueList*); |
| 98 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 99 | // Objects of this class are intended to be stack-allocated and scoped to a single function. |
| 100 | // Please take care not to pass these around as they do hold onto a raw pointer. |
| 101 | class CSSValueListInspector { |
| 102 | public: |
Torne (Richard Coles) | e524955 | 2013-05-15 11:35:13 +0100 | [diff] [blame] | 103 | CSSValueListInspector(CSSValue* value) : m_list((value && value->isValueList()) ? toCSSValueList(value) : 0) { } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 104 | CSSValue* item(size_t index) const { ASSERT_WITH_SECURITY_IMPLICATION(index < length()); return m_list->itemWithoutBoundsCheck(index); } |
| 105 | CSSValue* first() const { return item(0); } |
| 106 | CSSValue* second() const { return item(1); } |
| 107 | size_t length() const { return m_list ? m_list->length() : 0; } |
| 108 | private: |
| 109 | CSSValueList* m_list; |
| 110 | }; |
| 111 | |
| 112 | // Wrapper that can be used to iterate over any CSSValue. Non-list values and 0 behave as zero-length lists. |
| 113 | // Objects of this class are intended to be stack-allocated and scoped to a single function. |
| 114 | // Please take care not to pass these around as they do hold onto a raw pointer. |
| 115 | class CSSValueListIterator { |
| 116 | public: |
| 117 | CSSValueListIterator(CSSValue* value) : m_inspector(value), m_position(0) { } |
| 118 | bool hasMore() const { return m_position < m_inspector.length(); } |
| 119 | CSSValue* value() const { return m_inspector.item(m_position); } |
| 120 | bool isPrimitiveValue() const { return value()->isPrimitiveValue(); } |
| 121 | void advance() { m_position++; ASSERT(m_position <= m_inspector.length());} |
| 122 | size_t index() const { return m_position; } |
| 123 | private: |
| 124 | CSSValueListInspector m_inspector; |
| 125 | size_t m_position; |
| 126 | }; |
Torne (Richard Coles) | e524955 | 2013-05-15 11:35:13 +0100 | [diff] [blame] | 127 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 128 | } // namespace WebCore |
| 129 | |
| 130 | #endif // CSSValueList_h |