| /* |
| * Copyright (C) 2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "sky/engine/core/css/parser/CSSParserValues.h" |
| |
| #include "sky/engine/core/css/CSSFunctionValue.h" |
| #include "sky/engine/core/css/CSSSelectorList.h" |
| #include "sky/engine/core/html/parser/HTMLParserIdioms.h" |
| |
| namespace blink { |
| |
| using namespace WTF; |
| |
| static void destroy(Vector<CSSParserValue, 4>& values) |
| { |
| size_t numValues = values.size(); |
| for (size_t i = 0; i < numValues; i++) { |
| if (values[i].unit == CSSParserValue::Function) |
| delete values[i].function; |
| else if (values[i].unit == CSSParserValue::ValueList) |
| delete values[i].valueList; |
| } |
| } |
| |
| void CSSParserValueList::destroyAndClear() |
| { |
| destroy(m_values); |
| clearAndLeakValues(); |
| } |
| |
| CSSParserValueList::~CSSParserValueList() |
| { |
| destroy(m_values); |
| } |
| |
| void CSSParserValueList::addValue(const CSSParserValue& v) |
| { |
| m_values.append(v); |
| } |
| |
| void CSSParserValueList::insertValueAt(unsigned i, const CSSParserValue& v) |
| { |
| m_values.insert(i, v); |
| } |
| |
| void CSSParserValueList::stealValues(CSSParserValueList& valueList) |
| { |
| for (unsigned i = 0; i < valueList.size(); ++i) |
| m_values.append(*(valueList.valueAt(i))); |
| valueList.clearAndLeakValues(); |
| } |
| |
| CSSParserSelector::CSSParserSelector() |
| : m_selector(adoptPtr(new CSSSelector())) |
| { |
| } |
| |
| CSSParserSelector::CSSParserSelector(const QualifiedName& tagQName) |
| : m_selector(adoptPtr(new CSSSelector(tagQName))) |
| { |
| } |
| |
| CSSParserSelector::~CSSParserSelector() |
| { |
| if (!m_tagHistory) |
| return; |
| Vector<OwnPtr<CSSParserSelector>, 16> toDelete; |
| OwnPtr<CSSParserSelector> selector = m_tagHistory.release(); |
| while (true) { |
| OwnPtr<CSSParserSelector> next = selector->m_tagHistory.release(); |
| toDelete.append(selector.release()); |
| if (!next) |
| break; |
| selector = next.release(); |
| } |
| } |
| |
| void CSSParserSelector::adoptSelectorVector(Vector<OwnPtr<CSSParserSelector> >& selectorVector) |
| { |
| CSSSelectorList* selectorList = new CSSSelectorList(); |
| selectorList->adoptSelectorVector(selectorVector); |
| m_selector->setSelectorList(adoptPtr(selectorList)); |
| } |
| |
| bool CSSParserSelector::isSimple() const |
| { |
| if (m_selector->selectorList() || m_selector->matchesPseudoElement()) |
| return false; |
| |
| if (!m_tagHistory) |
| return true; |
| |
| if (m_selector->match() == CSSSelector::Tag) { |
| // We can't check against anyQName() here because namespace may not be nullAtom. |
| // Example: |
| // @namespace "http://www.w3.org/2000/svg"; |
| // svg:not(:root) { ... |
| if (m_selector->tagQName().localName() == starAtom) |
| return m_tagHistory->isSimple(); |
| } |
| |
| return false; |
| } |
| |
| void CSSParserSelector::appendTagHistory(PassOwnPtr<CSSParserSelector> selector) |
| { |
| CSSParserSelector* end = this; |
| while (end->tagHistory()) |
| end = end->tagHistory(); |
| end->setTagHistory(selector); |
| } |
| |
| void CSSParserSelector::prependTagSelector(const QualifiedName& tagQName, bool tagIsForNamespaceRule) |
| { |
| OwnPtr<CSSParserSelector> second = adoptPtr(new CSSParserSelector); |
| second->m_selector = m_selector.release(); |
| second->m_tagHistory = m_tagHistory.release(); |
| m_tagHistory = second.release(); |
| |
| m_selector = adoptPtr(new CSSSelector(tagQName, tagIsForNamespaceRule)); |
| } |
| |
| bool CSSParserSelector::hasHostPseudoSelector() const |
| { |
| for (CSSParserSelector* selector = const_cast<CSSParserSelector*>(this); selector; selector = selector->tagHistory()) { |
| if (selector->pseudoType() == CSSSelector::PseudoHost) |
| return true; |
| } |
| return false; |
| } |
| |
| } // namespace blink |