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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 static_cast<int>(patterns.size());
}
//! \{ range based loop support
PTN_MAP::iterator begin() {
return patterns.begin();
}
PTN_MAP::const_iterator cbegin() const{
return patterns.cbegin();
}
PTN_MAP::iterator end() {
return patterns.end();
}
PTN_MAP::const_iterator cend() const{
return patterns.cend();
}
//! \}
std::unique_ptr<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
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