2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
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.
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.
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.
21 #ifndef CSSValueList_h
22 #define CSSValueList_h
24 #include "core/css/CSSValue.h"
25 #include "wtf/PassRefPtr.h"
26 #include "wtf/Vector.h"
30 class CSSParserValueList;
32 class CSSValueList : public CSSValue {
34 static PassRefPtrWillBeRawPtr<CSSValueList> createCommaSeparated()
36 return adoptRefCountedWillBeRefCountedGarbageCollected(new CSSValueList(CommaSeparator));
38 static PassRefPtrWillBeRawPtr<CSSValueList> createSpaceSeparated()
40 return adoptRefCountedWillBeRefCountedGarbageCollected(new CSSValueList(SpaceSeparator));
42 static PassRefPtrWillBeRawPtr<CSSValueList> createSlashSeparated()
44 return adoptRefCountedWillBeRefCountedGarbageCollected(new CSSValueList(SlashSeparator));
46 static PassRefPtrWillBeRawPtr<CSSValueList> createFromParserValueList(CSSParserValueList* list)
48 return adoptRefCountedWillBeRefCountedGarbageCollected(new CSSValueList(list));
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(); }
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 PassRefPtrWillBeRawPtr<CSSValueList> copy();
62 String customCSSText(CSSTextFormattingFlags = QuoteCSSStringIfNeeded) const;
63 bool equals(const CSSValueList&) const;
64 bool equals(const CSSValue&) const;
66 bool hasFailedOrCanceledSubresources() const;
68 PassRefPtrWillBeRawPtr<CSSValueList> cloneForCSSOM() const;
70 void traceAfterDispatch(Visitor*);
73 CSSValueList(ClassType, ValueListSeparator);
74 CSSValueList(const CSSValueList& cloneFrom);
77 explicit CSSValueList(ValueListSeparator);
78 explicit CSSValueList(CSSParserValueList*);
80 Vector<RefPtr<CSSValue>, 4> m_values;
83 DEFINE_CSS_VALUE_TYPE_CASTS(CSSValueList, isValueList());
85 // Objects of this class are intended to be stack-allocated and scoped to a single function.
86 // Please take care not to pass these around as they do hold onto a raw pointer.
87 class CSSValueListInspector {
89 CSSValueListInspector(CSSValue* value) : m_list((value && value->isValueList()) ? toCSSValueList(value) : 0) { }
90 CSSValue* item(size_t index) const { ASSERT_WITH_SECURITY_IMPLICATION(index < length()); return m_list->itemWithoutBoundsCheck(index); }
91 CSSValue* first() const { return item(0); }
92 CSSValue* second() const { return item(1); }
93 size_t length() const { return m_list ? m_list->length() : 0; }
98 // Wrapper that can be used to iterate over any CSSValue. Non-list values and 0 behave as zero-length lists.
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 CSSValueListIterator {
103 CSSValueListIterator(CSSValue* value) : m_inspector(value), m_position(0) { }
104 bool hasMore() const { return m_position < m_inspector.length(); }
105 CSSValue* value() const { return m_inspector.item(m_position); }
106 bool isPrimitiveValue() const { return value()->isPrimitiveValue(); }
107 void advance() { m_position++; ASSERT(m_position <= m_inspector.length());}
108 size_t index() const { return m_position; }
110 CSSValueListInspector m_inspector;
114 } // namespace WebCore
116 #endif // CSSValueList_h