--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qxmlstream/qc14n.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,210 @@
+/****************************************************************************
+**
+** 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 test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+QT_FORWARD_DECLARE_CLASS(QIODevice)
+QT_FORWARD_DECLARE_CLASS(QString)
+
+#include <QtCore/QFlags>
+
+class QC14N
+{
+public:
+ enum Option
+ {
+ IgnoreProcessingInstruction,
+ IgnoreComments
+ };
+ typedef QFlags<Option> Options;
+
+ static bool isEqual(QIODevice *const firstDocument,
+ QIODevice *const secondDocument,
+ QString *const message = 0,
+ const Options options = Options());
+
+private:
+ static bool isDifferent(const QXmlStreamReader &r1,
+ const QXmlStreamReader &r2,
+ QString *const message);
+ static bool isAttributesEqual(const QXmlStreamReader &r1,
+ const QXmlStreamReader &r2,
+ QString *const message);
+};
+
+#include <QXmlStreamReader>
+
+/*! \internal
+
+ \a firstDocument and \a secondDocument must be pointers to opened devices.
+ */
+bool QC14N::isEqual(QIODevice *const firstDocument,
+ QIODevice *const secondDocument,
+ QString *const message,
+ const Options options)
+{
+ qDebug() << Q_FUNC_INFO;
+ Q_ASSERT_X(firstDocument, Q_FUNC_INFO,
+ "A valid QIODevice pointer must be supplied");
+ Q_ASSERT_X(secondDocument, Q_FUNC_INFO,
+ "A valid QIODevice pointer must be supplied");
+ Q_ASSERT_X(firstDocument->isReadable(), Q_FUNC_INFO, "The device must be readable.");
+ Q_ASSERT_X(secondDocument->isReadable(), Q_FUNC_INFO, "The device must be readable.");
+
+ Q_ASSERT_X(options == Options(), Q_FUNC_INFO,
+ "Not yet implemented.");
+ Q_UNUSED(options);
+
+ QXmlStreamReader r1(firstDocument);
+ QXmlStreamReader r2(secondDocument);
+
+ while(!r1.atEnd())
+ {
+ if(r1.error())
+ {
+ if(message)
+ *message = r1.errorString();
+
+ return false;
+ }
+ else if(r2.error())
+ {
+ if(message)
+ *message = r1.errorString();
+
+ return false;
+ }
+ else
+ {
+ if(isDifferent(r1, r2, message))
+ return true;
+ }
+
+ r1.readNext();
+ r2.readNext();
+ }
+
+ if(!r2.atEnd())
+ {
+ if(message)
+ *message = QLatin1String("Reached the end of the first document, while there was still content left in the second");
+
+ return false;
+ }
+
+ /* And they lived happily ever after. */
+ return true;
+}
+
+/*! \internal
+ */
+bool QC14N::isAttributesEqual(const QXmlStreamReader &r1,
+ const QXmlStreamReader &r2,
+ QString *const message)
+{
+ Q_UNUSED(message);
+
+ const QXmlStreamAttributes &attrs1 = r1.attributes();
+ const QXmlStreamAttributes &attrs2 = r2.attributes();
+ const int len = attrs1.size();
+
+ if(len != attrs2.size())
+ return false;
+
+ for(int i = 0; i < len; ++i)
+ {
+ if(!attrs2.contains(attrs1.at(i)))
+ return false;
+ }
+
+ return true;
+}
+
+bool QC14N::isDifferent(const QXmlStreamReader &r1,
+ const QXmlStreamReader &r2,
+ QString *const message)
+{
+ // TODO error reporting can be a lot better here.
+ if(r1.tokenType() != r2.tokenType())
+ return false;
+
+ switch(r1.tokenType())
+ {
+ case QXmlStreamReader::NoToken:
+ /* Fallthrough. */
+ case QXmlStreamReader::StartDocument:
+ /* Fallthrough. */
+ case QXmlStreamReader::EndDocument:
+ /* Fallthrough. */
+ case QXmlStreamReader::DTD:
+ return true;
+ case QXmlStreamReader::Invalid:
+ return false;
+ case QXmlStreamReader::StartElement:
+ {
+ return r1.qualifiedName() == r2.qualifiedName()
+ /* Yes, the namespace test below should be redundant, but with it we
+ * trap namespace bugs in QXmlStreamReader, if any. */
+ && r1.namespaceUri() == r2.namespaceUri()
+ && isAttributesEqual(r1, r2, message);
+
+ }
+ case QXmlStreamReader::EndElement:
+ {
+ return r1.qualifiedName() == r2.qualifiedName()
+ && r1.namespaceUri() == r2.namespaceUri()
+ && r1.name() == r2.name();
+ }
+ case QXmlStreamReader::Characters:
+ /* Fallthrough. */
+ case QXmlStreamReader::Comment:
+ return r1.text() == r2.text();
+ case QXmlStreamReader::EntityReference:
+ case QXmlStreamReader::ProcessingInstruction:
+ {
+ return r1.processingInstructionTarget() == r2.processingInstructionTarget() &&
+ r2.processingInstructionData() == r2.processingInstructionData();
+
+ }
+ }
+
+ Q_ASSERT_X(false, Q_FUNC_INFO, "This line should never be reached");
+ return false;
+}
+