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cmd/rs_commands.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2012 Dongxu Li (dongxuli2011@gmail.com)
+** 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_COMMANDS_H
+#define RS_COMMANDS_H
+
+#include <map>
+#include "rs.h"
+
+#define RS_COMMANDS RS_Commands::instance()
+
+/**
+ * Class which holds all commands for the command line. This
+ * is separated in this module to allow the use of different
+ * languages for the GUI and the command interface.
+ * Implemented as singleton.
+ *
+ * @author Andrew Mustun
+ */
+class RS_Commands {
+
+public:
+    /**
+     * @return Instance to the unique commands object.
+     */
+    static RS_Commands* instance();
+
+    QStringList complete(const QString& cmd);
+    RS2::ActionType cmdToAction(const QString& cmd, bool verbose = true);
+    RS2::ActionType keycodeToAction(const QString& code);
+
+    static QString command(const QString& cmd);
+
+    static bool checkCommand(const QString& cmd, const QString& str,
+                             RS2::ActionType action=RS2::ActionNone);
+
+    static QString msgAvailableCommands();
+    void updateAlias();
+
+    // Prefixes for function-, Meta- and Alt- keys.
+    static const char *FnPrefix;
+    static const char *AltPrefix;
+    static const char *MetaPrefix;
+    /**
+      * @brief extractCliCal, filter cli calculator math expression
+      * @param cmd, cli string
+      * @return math expression for RS_Math:eval();
+      */
+    static QString filterCliCal(const QString& cmd);
+
+protected:
+    static RS_Commands* uniqueInstance;
+
+private:
+    RS_Commands() ;
+    ~RS_Commands()=delete;
+    RS_Commands(RS_Commands& ) = delete;
+    RS_Commands& operator = ( RS_Commands& ) = delete;
+
+    std::map<QString, RS2::ActionType> mainCommands;
+    std::map<QString, RS2::ActionType> shortCommands;
+    // key=english command , value = translated
+    std::map<QString, QString> cmdTranslation;
+};
+
+#endif
+