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lib/engine/rs_variabledict.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2015 A. Stebich (librecad@mail.lordofbikes.de)
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software 
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+** 
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+**
+** This copyright notice MUST APPEAR in all copies of the script!  
+**
+**********************************************************************/
+
+
+#ifndef RS_VARIABLEDICT_H
+#define RS_VARIABLEDICT_H
+
+#include <QHash>
+#include "rs_variable.h"
+
+class RS_Vector;
+class QString;
+
+/**
+ * Dictionary of variables. The variables are stored as key / value
+ * pairs (string / string).
+ *
+ * @author Andrew Mustun
+ */
+class RS_VariableDict {
+public:
+	RS_VariableDict() = default;
+
+    void clear();
+    /**
+     * @return Number of variables available.
+     */
+	int count() const {
+        return variables.count();
+    }
+
+    void add(const QString& key, const RS_Vector& value, int code);
+    void add(const QString& key, const QString& value, int code);
+    void add(const QString& key, int value, int code);
+    void add(const QString& key, double value, int code);
+
+	RS_Vector getVector(const QString& key, const RS_Vector& def) const;
+	QString getString(const QString& key, const QString& def) const;
+	int getInt(const QString& key, int def) const;
+	double getDouble(const QString& key, double def) const;
+
+	void remove(const QString& key);
+
+	QHash<QString, RS_Variable> const& getVariableDict() const {
+        return variables;
+    }
+	QHash<QString, RS_Variable>& getVariableDict() {
+		return variables;
+	}
+
+    //void addVariableDictListener(RS_VariableDictListener* listener);
+
+    friend std::ostream& operator << (std::ostream& os, RS_VariableDict& v);
+
+private:
+    //! Variables for the graphic
+    QHash<QString, RS_Variable> variables;
+};
+
+#endif