/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtXmlPatterns module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qdaytimeduration_p.h" #include "qfocus_p.h" QT_BEGIN_NAMESPACE using namespace QPatternist; Focus::Focus(const DynamicContext::Ptr &prevContext) : DelegatingDynamicContext(prevContext), m_contextSizeCached(-1) { Q_ASSERT(prevContext); Q_ASSERT(prevContext != this); } xsInteger Focus::contextPosition() const { Q_ASSERT(m_focusIterator); return m_focusIterator->position(); } Item Focus::contextItem() const { Q_ASSERT(m_focusIterator); return m_focusIterator->current(); } xsInteger Focus::contextSize() { Q_ASSERT(m_focusIterator); if(m_contextSizeCached == -1) m_contextSizeCached = m_focusIterator->copy()->count(); Q_ASSERT_X(m_contextSizeCached == m_focusIterator->copy()->count(), Q_FUNC_INFO, "If our cache is not the same as the real count, something is wrong."); return m_contextSizeCached; } void Focus::setFocusIterator(const Item::Iterator::Ptr &it) { Q_ASSERT(it); m_focusIterator = it; } Item::Iterator::Ptr Focus::focusIterator() const { return m_focusIterator; } Item Focus::currentItem() const { /* In the case that there is no top level expression that creates a focus, * fn:current() should return the focus. This logic achieves this. * Effectively we traverse up our "context stack" through recursion, and * start returning when we've found the top most focus. */ const Item current(m_prevContext->currentItem()); if(current.isNull()) return m_focusIterator->current(); else return current; } QT_END_NAMESPACE