CppTools: Move WorkingCopy to new cppworkingcopy.{h,cpp}

Change-Id: I447acf28849bffb52c1e6b6eafdde221ec0b179e
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/cpptools/cppworkingcopy.h

@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef CPPWORKINGCOPY_H
+#define CPPWORKINGCOPY_H
+
+#include "cpptools_global.h"
+
+#include <QHash>
+#include <QString>
+#include <QPair>
+
+namespace CppTools {
+
+class CPPTOOLS_EXPORT WorkingCopy
+{
+public:
+    WorkingCopy();
+
+    void insert(const QString &fileName, const QByteArray &source, unsigned revision = 0)
+    { _elements.insert(fileName, qMakePair(source, revision)); }
+
+    bool contains(const QString &fileName) const
+    { return _elements.contains(fileName); }
+
+    QByteArray source(const QString &fileName) const
+    { return _elements.value(fileName).first; }
+
+    QPair<QByteArray, unsigned> get(const QString &fileName) const
+    { return _elements.value(fileName); }
+
+    QHashIterator<QString, QPair<QByteArray, unsigned> > iterator() const
+    { return QHashIterator<QString, QPair<QByteArray, unsigned> >(_elements); }
+
+    int size() const
+    { return _elements.size(); }
+
+private:
+    typedef QHash<QString, QPair<QByteArray, unsigned> > Table;
+    Table _elements;
+};
+
+} // namespace CppTools
+
+#endif // CPPWORKINGCOPY_H