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 "CSSMutableStyleDeclaration.h" 26#include "CSSRule.h" 27#include "StyleList.h" 28#include "WebKitCSSKeyframeRule.h" 29 30namespace WebCore { 31 32CSSRuleList::CSSRuleList() 33{ 34} 35 36CSSRuleList::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 50CSSRuleList::~CSSRuleList() 51{ 52} 53 54unsigned CSSRuleList::length() const 55{ 56 return m_list ? m_list->length() : m_lstCSSRules.size(); 57} 58 59CSSRule* 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 72void 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 if (m_lstCSSRules[index]->isKeyframeRule()) { 82 if (CSSMutableStyleDeclaration* style = static_cast<WebKitCSSKeyframeRule*>(m_lstCSSRules[index].get())->style()) 83 style->setParent(0); 84 } 85 86 m_lstCSSRules[index]->setParent(0); 87 m_lstCSSRules.remove(index); 88} 89 90void CSSRuleList::append(CSSRule* rule) 91{ 92 ASSERT(!m_list); 93 if (!rule) { 94 // FIXME: Should we throw an exception? 95 return; 96 } 97 98 m_lstCSSRules.append(rule); 99} 100 101unsigned CSSRuleList::insertRule(CSSRule* rule, unsigned index) 102{ 103 ASSERT(!m_list); 104 if (!rule) { 105 // FIXME: Should we throw an exception? 106 return 0; 107 } 108 109 if (index > m_lstCSSRules.size()) { 110 // FIXME: Should we throw an INDEX_SIZE_ERR exception here? 111 return 0; 112 } 113 114 m_lstCSSRules.insert(index, rule); 115 return index; 116} 117 118} // namespace WebCore 119