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 28namespace WebCore { 29 30CSSRuleList::CSSRuleList() 31{ 32} 33 34CSSRuleList::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 48CSSRuleList::~CSSRuleList() 49{ 50} 51 52unsigned CSSRuleList::length() const 53{ 54 return m_list ? m_list->length() : m_lstCSSRules.size(); 55} 56 57CSSRule* 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 70void 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 82void 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 93unsigned 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