init

lib/fileio/rs_fileio.h

@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2012 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_FILEIO_H
+#define RS_FILEIO_H
+
+#include <vector>
+#include <functional>
+#include <memory>
+#include "rs_filterinterface.h"
+
+//RLZ: TODO destructor for clear filterList
+/**
+ * API Class for importing files. 
+ *
+ * @author Andrew Mustun
+ */
+class RS_FileIO {
+private:
+    //singleton
+	RS_FileIO()=default;
+	RS_FileIO(RS_FileIO const&) = delete;
+	RS_FileIO& operator = (RS_FileIO const&) = delete;
+	RS_FileIO(RS_FileIO&&) = delete;
+	RS_FileIO& operator = (RS_FileIO&&) = delete;
+	
+public:
+    /**
+     * @return Instance to the unique import object.
+     */
+	static RS_FileIO* instance();
+
+	/**
+	 * @return Filter which can import the given file type.
+	 */
+	std::unique_ptr<RS_FilterInterface> getImportFilter(const QString &fileName,
+										RS2::FormatType t) const;
+	
+	/**
+	 * @return Filter which can export the given file type.
+	 */
+	std::unique_ptr<RS_FilterInterface> getExportFilter(const QString &fileName,
+										RS2::FormatType t) const;
+
+    bool fileImport(RS_Graphic& graphic, const QString& file,
+		RS2::FormatType type = RS2::FormatUnknown);
+		
+    bool fileExport(RS_Graphic& graphic, const QString& file,
+		RS2::FormatType type = RS2::FormatUnknown);
+	/** \brief detectFormat detect file format type
+	 * \param file type
+	 * \param forRead read the file to verify dxf/dxfrw type, default to true
+	 * \return file format type
+	 */
+	static RS2::FormatType detectFormat(QString const& file, bool forRead=true);
+
+private:
+
+/** a list of pointers to static functions to create file filters **/
+	static std::vector<std::function<RS_FilterInterface*()>> getFilters();
+};
+
+
+#endif