| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://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 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qdeduplicateiterator_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| DeduplicateIterator::DeduplicateIterator(const Item::List &source) : ListIterator<Item>(source) |
| , m_listPos(0) |
| { |
| Q_ASSERT(!Item()); |
| Q_ASSERT(!Item().isNode()); |
| Q_ASSERT(!Item().isAtomicValue()); |
| } |
| |
| Item DeduplicateIterator::next() |
| { |
| if(m_listPos == m_list.count()) |
| { |
| m_current.reset(); |
| m_position = -1; |
| return Item(); |
| } |
| |
| Item next(m_list.at(m_listPos)); |
| |
| while(next.asNode().is(m_current.asNode())) |
| { |
| ++m_listPos; |
| if(m_listPos == m_list.count()) |
| { |
| m_current.reset(); |
| m_position = -1; |
| return Item(); |
| } |
| else |
| next = m_list.at(m_listPos); |
| } |
| |
| ++m_position; |
| m_current = next; |
| return next; |
| } |
| |
| xsInteger DeduplicateIterator::count() |
| { |
| return QAbstractXmlForwardIterator<Item>::count(); |
| } |
| |
| Item::Iterator::Ptr DeduplicateIterator::copy() const |
| { |
| return Item::Iterator::Ptr(new DeduplicateIterator(m_list)); |
| } |
| |
| QT_END_NAMESPACE |