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
25 #include <wtf/PassRefPtr.h>
26 #include <wtf/Vector.h>
30 class CSSParserValueList;
32 class CSSValueList : public CSSValue {
34 static PassRefPtr<CSSValueList> createCommaSeparated()
36 return adoptRef(new CSSValueList(false));
38 static PassRefPtr<CSSValueList> createSpaceSeparated()
40 return adoptRef(new CSSValueList(true));
42 static PassRefPtr<CSSValueList> createFromParserValueList(CSSParserValueList* list)
44 return adoptRef(new CSSValueList(list));
47 virtual ~CSSValueList();
49 size_t length() const { return m_values.size(); }
50 CSSValue* item(size_t index) { return index < m_values.size() ? m_values[index].get() : 0; }
51 CSSValue* itemWithoutBoundsCheck(size_t index) { return m_values[index].get(); }
53 void append(PassRefPtr<CSSValue>);
54 void prepend(PassRefPtr<CSSValue>);
55 bool removeAll(CSSValue*);
56 bool hasValue(CSSValue*);
57 PassRefPtr<CSSValueList> copy();
59 virtual String cssText() const;
61 virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*);
64 CSSValueList(bool isSpaceSeparated);
65 CSSValueList(CSSParserValueList*);
68 virtual bool isValueList() const { return true; }
70 virtual unsigned short cssValueType() const;
72 Vector<RefPtr<CSSValue> > m_values;
73 bool m_isSpaceSeparated;
76 // Objects of this class are intended to be stack-allocated and scoped to a single function.
77 // Please take care not to pass these around as they do hold onto a raw pointer.
78 class CSSValueListInspector {
80 CSSValueListInspector(CSSValue* value) : m_list((value && value->isValueList()) ? static_cast<CSSValueList*>(value) : 0) { }
81 CSSValue* item(size_t index) const { ASSERT(index < length()); return m_list->itemWithoutBoundsCheck(index); }
82 CSSValue* first() const { return item(0); }
83 CSSValue* second() const { return item(1); }
84 size_t length() const { return m_list ? m_list->length() : 0; }
89 // Wrapper that can be used to iterate over any CSSValue. Non-list values and 0 behave as zero-length lists.
90 // Objects of this class are intended to be stack-allocated and scoped to a single function.
91 // Please take care not to pass these around as they do hold onto a raw pointer.
92 class CSSValueListIterator {
94 CSSValueListIterator(CSSValue* value) : m_inspector(value), m_position(0) { }
95 bool hasMore() const { return m_position < m_inspector.length(); }
96 CSSValue* value() const { return m_inspector.item(m_position); }
97 void advance() { m_position++; ASSERT(m_position <= m_inspector.length());}
98 size_t index() const { return m_position; }
100 CSSValueListInspector m_inspector;
103 } // namespace WebCore
105 #endif // CSSValueList_h