init

lib/engine/rs_patternlist.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** 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_PATTERNLIST_H
+#define RS_PATTERNLIST_H
+
+#include<map>
+#include<memory>
+
+class RS_Pattern;
+class QString;
+
+#define RS_PATTERNLIST RS_PatternList::instance()
+
+/**
+ * The global list of patterns. This is implemented as a singleton.
+ * Use RS_PatternList::instance() to get a pointer to the object.
+ *
+ * @author Andrew Mustun
+ */
+class RS_PatternList {
+	using PTN_MAP = std::map<QString, std::unique_ptr<RS_Pattern>>;
+	RS_PatternList() = default;
+
+public:
+    /**
+     * @return Instance to the unique pattern list.
+     */
+	static RS_PatternList* instance();
+
+	~RS_PatternList();
+	RS_PatternList(RS_PatternList const&) = delete;
+	RS_PatternList& operator = (RS_PatternList const&) = delete;
+	RS_PatternList(RS_PatternList &&) = delete;
+	RS_PatternList& operator = (RS_PatternList &&) = delete;
+
+	void init();
+
+	int countPatterns() const {
+		return patterns.size();
+    }
+
+	//! \{ range based loop support
+	PTN_MAP::iterator begin() {
+		return patterns.begin();
+	}
+	PTN_MAP::const_iterator begin() const{
+		return patterns.begin();
+	}
+	PTN_MAP::iterator end() {
+		return patterns.end();
+	}
+	PTN_MAP::const_iterator end() const{
+		return patterns.end();
+	}
+	//! \}
+
+	RS_Pattern* requestPattern(const QString& name);
+
+	bool contains(const QString& name) const;
+
+    friend std::ostream& operator << (std::ostream& os, RS_PatternList& l);
+
+
+private:
+    //! patterns in the graphic
+	PTN_MAP patterns;
+};
+
+#endif