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diff --git a/src/xmlpatterns/api/qsourcelocation.cpp b/src/xmlpatterns/api/qsourcelocation.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 "qdebug_p.h"
+
+#include "qsourcelocation.h"
+
+
+QT_BEGIN_NAMESPACE
+
+/*!
+  \class QSourceLocation
+  \reentrant
+  \since 4.4
+  \brief The QSourceLocation class identifies a location in a resource by URI, line, and column.
+  \ingroup xml-tools
+
+  QSourceLocation is a simple value based class that has three
+  properties, uri(), line(), and column(), that, taken together,
+  identify a certain point in a resource, e.g., a file or an in-memory
+  document.
+
+  line() and column() refer to character counts (not byte counts), and
+  they both start from 1, as opposed to 0.
+ */
+
+/*!
+   Construct a QSourceLocation that doesn't identify anything at all.
+
+   For a default constructed QSourceLocation(), isNull() returns \c true.
+ */
+QSourceLocation::QSourceLocation() : m_line(-1), m_column(-1)
+{
+}
+
+/*!
+  Constructs a QSourceLocation that is a copy of \a other.
+ */
+QSourceLocation::QSourceLocation(const QSourceLocation &other)
+  : m_line(other.m_line), m_column(other.m_column), m_uri(other.m_uri)
+{
+}
+
+/*!
+ Constructs a QSourceLocation with URI \a u, line \a l and column \a c.
+ */
+QSourceLocation::QSourceLocation(const QUrl &u, int l, int c)
+  : m_line(l), m_column(c), m_uri(u)
+{
+}
+
+/*!
+  Destructor.
+ */
+QSourceLocation::~QSourceLocation()
+{
+}
+
+/*!
+  Returns true if this QSourceLocation is identical to \a other.
+
+  Two QSourceLocation instances are equal if their uri(), line() and
+  column() are equal.
+
+  QSourceLocation instances for which isNull() returns true are
+  considered equal.
+ */
+bool QSourceLocation::operator==(const QSourceLocation &other) const
+{
+    return    m_line == other.m_line
+           && m_column == other.m_column
+           && m_uri == other.m_uri;
+}
+
+/*!
+  Returns the opposite of applying operator==() for this QXmlName
+  and \a other.
+ */
+bool QSourceLocation::operator!=(const QSourceLocation &other) const
+{
+    return operator==(other);
+}
+
+/*!
+  Assigns this QSourceLocation instance to \a other.
+ */
+QSourceLocation &QSourceLocation::operator=(const QSourceLocation &other)
+{
+    if(this != &other)
+    {
+        m_line = other.m_line;
+        m_column = other.m_column;
+        m_uri = other.m_uri;
+    }
+
+    return *this;
+}
+
+/*!
+  Returns the current column number. The column number refers to the
+  count of characters, not bytes. The first column is column 1, not 0.
+  The default value is -1, indicating the column number is unknown.
+ */
+qint64 QSourceLocation::column() const
+{
+    return m_column;
+}
+
+/*!
+  Sets the column number to \a newColumn. 0 is an invalid column
+  number. The first column number is 1.
+ */
+void QSourceLocation::setColumn(qint64 newColumn)
+{
+    Q_ASSERT_X(newColumn != 0, Q_FUNC_INFO,
+               "0 is an invalid column number. The first column number is 1.");
+    m_column = newColumn;
+}
+
+/*!
+  Returns the current line number. The first line number is 1, not 0.
+  The default value is -1, indicating the line number is unknown.
+ */
+qint64 QSourceLocation::line() const
+{
+    return m_line;
+}
+
+/*!
+  Sets the line number to \a newLine. 0 is an invalid line
+  number. The first line number is 1.
+ */
+void QSourceLocation::setLine(qint64 newLine)
+{
+    m_line = newLine;
+}
+
+/*!
+  Returns the resource that this QSourceLocation refers to. For
+  example, the resource could be a file in the local file system,
+  if the URI scheme is \c file.
+ */
+QUrl QSourceLocation::uri() const
+{
+    return m_uri;
+}
+
+/*!
+  Sets the URI to \a newUri.
+ */
+void QSourceLocation::setUri(const QUrl &newUri)
+{
+    m_uri = newUri;
+}
+
+/*!
+  \relates QSourceLocation
+  \since 4.4
+
+  Prints \a sourceLocation to the debug stream \a debug.
+ */
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug debug, const QSourceLocation &sourceLocation)
+{
+    debug << "QSourceLocation("
+          << sourceLocation.uri()
+          << ", line:"
+          << sourceLocation.line()
+          << ", column:"
+          << sourceLocation.column()
+          << ")";
+    return debug;
+}
+#endif
+
+/*!
+  Returns \c true if this QSourceLocation doesn't identify anything.
+
+  For a default constructed QSourceLocation, this function returns \c
+  true. The same applies for any other QSourceLocation whose uri() is
+  invalid.
+ */
+bool QSourceLocation::isNull() const
+{
+    return !m_uri.isValid();
+}
+
+/*!
+ \since 4.4
+
+ Computes a hash key for the QSourceLocation \a location.
+
+ \relates QSourceLocation
+ */
+uint qHash(const QSourceLocation &location)
+{
+    /* Not the world's best hash function exactly. */
+    return qHash(location.uri().toString()) + location.line() + location.column();
+}
+
+QT_END_NAMESPACE
+