1 files changed, 115 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qassemblestringfns.cpp b/src/xmlpatterns/functions/qassemblestringfns.cpp
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+++ b/src/xmlpatterns/functions/qassemblestringfns.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 "qcommonvalues_p.h"
+#include "qpatternistlocale_p.h"
+#include "qschemanumeric_p.h"
+#include "qatomicstring_p.h"
+#include "qtocodepointsiterator_p.h"
+
+#include "qassemblestringfns_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+/*
+ * Determines whether @p cp is a valid XML 1.0 character.
+ *
+ * @see <a href="http://www.w3.org/TR/REC-xml/#charsets">Extensible Markup
+ * Language (XML) 1.0 (Third Edition)2.2 Characters</a>
+ */
+static inline bool isValidXML10Char(const qint32 cp)
+{
+    /* [2]     Char     ::=     #x9 | #xA | #xD | [#x20-#xD7FF] |
+     *                          [#xE000-#xFFFD] | [#x10000-#x10FFFF]
+     */
+    return (cp == 0x9                       ||
+            cp == 0xA                       ||
+            cp == 0xD                       ||
+            (0x20 <= cp && cp <= 0xD7FF)    ||
+            (0xE000 <= cp && cp <= 0xFFFD)  ||
+            (0x10000 <= cp && cp <= 0x10FFFF));
+}
+
+Item CodepointsToStringFN::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+    const Item::Iterator::Ptr it(m_operands.first()->evaluateSequence(context));
+
+    if(!it)
+        return CommonValues::EmptyString;
+
+    QString retval;
+    Item item(it->next());
+    while(item)
+    {
+        const qint32 cp = static_cast<qint32>(item.as<Numeric>()->toInteger());
+
+        if(!isValidXML10Char(cp))
+        {
+            context->error(QtXmlPatterns::tr("%1 is not a valid XML 1.0 character.")
+                                            .arg(formatData(QLatin1String("0x") +
+                                                          QString::number(cp, 16))),
+                                       ReportContext::FOCH0001, this);
+
+            return CommonValues::EmptyString;
+        }
+        retval.append(QChar(cp));
+        item = it->next();
+    }
+
+    return AtomicString::fromValue(retval);
+}
+
+Item::Iterator::Ptr StringToCodepointsFN::evaluateSequence(const DynamicContext::Ptr &context) const
+{
+    const Item item(m_operands.first()->evaluateSingleton(context));
+    if(!item)
+        return CommonValues::emptyIterator;
+
+    const QString str(item.stringValue());
+    if(str.isEmpty())
+        return CommonValues::emptyIterator;
+    else
+        return Item::Iterator::Ptr(new ToCodepointsIterator(str));
+}
+
+QT_END_NAMESPACE