1 files changed, 158 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qxsltsimplecontentconstructor.cpp b/src/xmlpatterns/expr/qxsltsimplecontentconstructor.cpp
new file mode 100644
index 0000000000..ef77c76c54
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+++ b/src/xmlpatterns/expr/qxsltsimplecontentconstructor.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qatomicstring_p.h"
+#include "qcommonsequencetypes_p.h"
+
+#include "qxsltsimplecontentconstructor_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+XSLTSimpleContentConstructor::XSLTSimpleContentConstructor(const Expression::Ptr &source) : SimpleContentConstructor(source)
+{
+}
+
+QString XSLTSimpleContentConstructor::processItem(const Item &item,
+                                                  bool &discard,
+                                                  bool &isText)
+{
+    if(item.isNode())
+    {
+        isText = (item.asNode().kind() == QXmlNodeModelIndex::Text);
+
+        if(isText)
+        {
+            const QString value(item.stringValue());
+
+            /* "1. Zero-length text nodes in the sequence are discarded." */
+            discard = value.isEmpty();
+            return value;
+        }
+        else
+        {
+            Item::Iterator::Ptr it(item.sequencedTypedValue()); /* Atomic values. */
+            Item next(it->next());
+            QString result;
+
+            if(next)
+                result = next.stringValue();
+
+            next = it->next();
+
+            while(next)
+            {
+                result += next.stringValue();
+                result += QLatin1Char(' ');
+                next = it->next();
+            }
+
+            return result;
+        }
+    }
+    else
+    {
+        discard = false;
+        isText = false;
+        return item.stringValue();
+    }
+}
+
+Item XSLTSimpleContentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item::Iterator::Ptr it(m_operand->evaluateSequence(context));
+
+    Item next(it->next());
+    QString result;
+
+    bool previousIsText = false;
+    bool discard;
+
+    if(next)
+    {
+        const QString unit(processItem(next, discard, previousIsText));
+
+        if(!discard)
+            result = unit;
+
+        next = it->next();
+    }
+    else
+        return Item();
+
+    while(next)
+    {
+        bool currentIsText = false;
+        const QString unit(processItem(next, discard, currentIsText));
+
+        if(!discard)
+        {
+            /* "Adjacent text nodes in the sequence are merged into a single text
+             * node." */
+            if(previousIsText && currentIsText)
+                ;
+            else
+                result += QLatin1Char(' ');
+
+            result += unit;
+        }
+
+        next = it->next();
+        previousIsText = currentIsText;
+    }
+
+    return AtomicString::fromValue(result);
+}
+
+SequenceType::List XSLTSimpleContentConstructor::expectedOperandTypes() const
+{
+    SequenceType::List result;
+    result.append(CommonSequenceTypes::ZeroOrMoreItems);
+    return result;
+}
+
+SequenceType::Ptr XSLTSimpleContentConstructor::staticType() const
+{
+    return CommonSequenceTypes::ZeroOrOneString;
+}
+
+QT_END_NAMESPACE