1 /**
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
4 * Copyright (C) 2002, 2005, 2006 Apple Computer, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "config.h"
23 #include "CSSRuleList.h"
24
25 #include "CSSRule.h"
26 #include "StyleList.h"
27
28 namespace WebCore {
29
CSSRuleList()30 CSSRuleList::CSSRuleList()
31 {
32 }
33
CSSRuleList(StyleList * list,bool omitCharsetRules)34 CSSRuleList::CSSRuleList(StyleList* list, bool omitCharsetRules)
35 {
36 m_list = list;
37 if (list && omitCharsetRules) {
38 m_list = 0;
39 unsigned len = list->length();
40 for (unsigned i = 0; i < len; ++i) {
41 StyleBase* style = list->item(i);
42 if (style->isRule() && !style->isCharsetRule())
43 append(static_cast<CSSRule*>(style));
44 }
45 }
46 }
47
~CSSRuleList()48 CSSRuleList::~CSSRuleList()
49 {
50 }
51
length() const52 unsigned CSSRuleList::length() const
53 {
54 return m_list ? m_list->length() : m_lstCSSRules.size();
55 }
56
item(unsigned index)57 CSSRule* CSSRuleList::item(unsigned index)
58 {
59 if (m_list) {
60 StyleBase* rule = m_list->item(index);
61 ASSERT(!rule || rule->isRule());
62 return static_cast<CSSRule*>(rule);
63 }
64
65 if (index < m_lstCSSRules.size())
66 return m_lstCSSRules[index].get();
67 return 0;
68 }
69
deleteRule(unsigned index)70 void CSSRuleList::deleteRule(unsigned index)
71 {
72 ASSERT(!m_list);
73
74 if (index >= m_lstCSSRules.size()) {
75 // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
76 return;
77 }
78
79 m_lstCSSRules.remove(index);
80 }
81
append(CSSRule * rule)82 void CSSRuleList::append(CSSRule* rule)
83 {
84 ASSERT(!m_list);
85 if (!rule) {
86 // FIXME: Should we throw an exception?
87 return;
88 }
89
90 m_lstCSSRules.append(rule);
91 }
92
insertRule(CSSRule * rule,unsigned index)93 unsigned CSSRuleList::insertRule(CSSRule* rule, unsigned index)
94 {
95 ASSERT(!m_list);
96 if (!rule) {
97 // FIXME: Should we throw an exception?
98 return 0;
99 }
100
101 if (index > m_lstCSSRules.size()) {
102 // FIXME: Should we throw an INDEX_SIZE_ERR exception here?
103 return 0;
104 }
105
106 m_lstCSSRules.insert(index, rule);
107 return index;
108 }
109
110 } // namespace WebCore
111