src/xmlpatterns/iterators/qindexofiterator.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/iterators/qindexofiterator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qinteger_p.h"
+
+#include "qindexofiterator_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+IndexOfIterator::IndexOfIterator(const Item::Iterator::Ptr &seq,
+                                 const Item &searchParam,
+                                 const AtomicComparator::Ptr &comp,
+                                 const DynamicContext::Ptr &context,
+                                 const Expression::ConstPtr &expr)
+                                : m_seq(seq)
+                                , m_searchParam(searchParam)
+                                , m_context(context)
+                                , m_expr(expr)
+                                , m_position(0)
+                                , m_seqPos(0)
+{
+    Q_ASSERT(seq);
+    Q_ASSERT(searchParam);
+    prepareComparison(comp);
+}
+
+Item IndexOfIterator::next()
+{
+    if(m_position == -1)
+        return Item();
+
+    const Item item(m_seq->next());
+    ++m_seqPos;
+
+    if(!item)
+    {
+        m_current.reset();
+        m_position = -1;
+        return Item();
+    }
+
+    if(flexibleCompare(item, m_searchParam, m_context))
+    {
+        ++m_position;
+        return Integer::fromValue(m_seqPos);
+    }
+
+    return next();
+}
+
+Item IndexOfIterator::current() const
+{
+    return m_current;
+}
+
+xsInteger IndexOfIterator::position() const
+{
+    return m_position;
+}
+
+Item::Iterator::Ptr IndexOfIterator::copy() const
+{
+    return Item::Iterator::Ptr(new IndexOfIterator(m_seq->copy(),
+                                                   m_searchParam,
+                                                   comparator(),
+                                                   m_context,
+                                                   m_expr));
+}
+
+const SourceLocationReflection *IndexOfIterator::actualReflection() const
+{
+    return m_expr.data();
+}
+
+QT_END_NAMESPACE