Files
newspark110/lib/engine/rs_patternlist.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

113 lines
2.9 KiB
C++

/****************************************************************************
**
** 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!
**
**********************************************************************/
#include<iostream>
#include<QString>
#include "rs_patternlist.h"
#include "rs_system.h"
#include "rs_pattern.h"
#include "rs_debug.h"
RS_PatternList* RS_PatternList::instance() {
static RS_PatternList instance;
return &instance;
}
RS_PatternList::~RS_PatternList() = default;
/**
* Initializes the pattern list by creating empty RS_Pattern
* objects, one for each pattern that could be found.
*/
void RS_PatternList::init() {
RS_DEBUG->print("RS_PatternList::initPatterns");
QStringList list = RS_SYSTEM->getPatternList();
patterns.clear();
for (auto const& s: list) {
RS_DEBUG->print("pattern: %s:", s.toLatin1().data());
QFileInfo fi(s);
QString const name = fi.baseName().toLower();
patterns[name] = std::unique_ptr<RS_Pattern>{};
RS_DEBUG->print("base: %s", name.toLatin1().data());
}
}
/**
* @return Pointer to the pattern with the given name or
* \p NULL if no such pattern was found. The pattern will be loaded into
* memory if it's not already.
*/
RS_Pattern* RS_PatternList::requestPattern(const QString& name) {
RS_DEBUG->print("RS_PatternList::requestPattern %s", name.toLatin1().data());
QString name2 = name.toLower();
RS_DEBUG->print("name2: %s", name2.toLatin1().data());
if (patterns.count(name2)) {
if (!patterns[name2]) {
RS_Pattern* p = new RS_Pattern(name2);
p->loadPattern();
patterns[name2].reset(p);
}
RS_DEBUG->print("name2: %s, size= %d", name2.toLatin1().data(),
patterns[name2]->countDeep());
return patterns[name2].get();
}
return nullptr;
}
bool RS_PatternList::contains(const QString& name) const {
return patterns.count(name.toLower());
}
/**
* Dumps the patterns to stdout.
*/
std::ostream& operator << (std::ostream& os, RS_PatternList& l) {
os << "Patternlist: \n";
for (auto const& pa: l.patterns)
if (pa.second)
os<< *pa.second << '\n';
return os;
}