1 /**
2 * This file is part of the DOM implementation for KDE.
3 *
4 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
5 * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2002, 2005, 2006 Apple Computer, Inc.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24 #include "config.h"
25 #include "CSSRuleList.h"
26
27 #include "CSSRule.h"
28 #include "StyleList.h"
29
30 namespace WebCore {
31
CSSRuleList()32 CSSRuleList::CSSRuleList()
33 {
34 }
35
CSSRuleList(StyleList * list,bool omitCharsetRules)36 CSSRuleList::CSSRuleList(StyleList* list, bool omitCharsetRules)
37 {
38 m_list = list;
39 if (list && omitCharsetRules) {
40 m_list = 0;
41 unsigned len = list->length();
42 for (unsigned i = 0; i < len; ++i) {
43 StyleBase* style = list->item(i);
44 if (style->isRule() && !style->isCharsetRule())
45 append(static_cast<CSSRule*>(style));
46 }
47 }
48 }
49
~CSSRuleList()50 CSSRuleList::~CSSRuleList()
51 {
52 }
53
length() const54 unsigned CSSRuleList::length() const
55 {
56 return m_list ? m_list->length() : m_lstCSSRules.size();
57 }
58
item(unsigned index)59 CSSRule* CSSRuleList::item(unsigned index)
60 {
61 if (m_list) {
62 StyleBase* rule = m_list->item(index);
63 ASSERT(!rule || rule->isRule());
64 return static_cast<CSSRule*>(rule);
65 }
66
67 if (index < m_lstCSSRules.size())
68 return m_lstCSSRules[index].get();
69 return 0;
70 }
71
deleteRule(unsigned index)72 void CSSRuleList::deleteRule(unsigned index)
73 {
74 ASSERT(!m_list);
75
76 if (index >= m_lstCSSRules.size()) {
77 // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
78 return;
79 }
80
81 m_lstCSSRules.remove(index);
82 }
83
append(CSSRule * rule)84 void CSSRuleList::append(CSSRule* rule)
85 {
86 ASSERT(!m_list);
87 if (!rule) {
88 // FIXME: Should we throw an exception?
89 return;
90 }
91
92 m_lstCSSRules.append(rule);
93 }
94
insertRule(CSSRule * rule,unsigned index)95 unsigned CSSRuleList::insertRule(CSSRule* rule, unsigned index)
96 {
97 ASSERT(!m_list);
98 if (!rule) {
99 // FIXME: Should we throw an exception?
100 return 0;
101 }
102
103 if (index > m_lstCSSRules.size()) {
104 // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
105 return 0;
106 }
107
108 m_lstCSSRules.insert(index, rule);
109 return index;
110 }
111
112 } // namespace WebCore
113