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/*
TikZiT - a GUI diagram editor for TikZ
Copyright (C) 2018 Aleks Kissinger
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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, see <https://www.gnu.org/licenses/>.
*/
#include "graphelementproperty.h"
#include <QRegExp>
GraphElementProperty::GraphElementProperty ():
_key(""), _value(""), _atom(false), _keyMatch(false)
{}
GraphElementProperty::GraphElementProperty(QString key, QString value, bool atom, bool keyMatch) :
_key(key), _value(value), _atom(atom), _keyMatch(keyMatch)
{}
GraphElementProperty::GraphElementProperty(QString key, QString value) :
_key(key), _value(value), _atom(false), _keyMatch(false)
{}
GraphElementProperty::GraphElementProperty(QString key, bool keyMatch) :
_key(key), _value(""), _atom(!keyMatch), _keyMatch(keyMatch)
{}
QString GraphElementProperty::key() const
{ return _key; }
QString GraphElementProperty::value() const
{ return _value; }
void GraphElementProperty::setValue(const QString &value)
{ _value = value; }
bool GraphElementProperty::atom() const
{ return _atom; }
bool GraphElementProperty::keyMatch() const
{ return _keyMatch; }
bool GraphElementProperty::matches(const GraphElementProperty &p)
{
if (p.atom()) return _atom && _key == p.key();
if (p.keyMatch()) return !_atom && _key == p.key();
if (_keyMatch) return !p.atom() && _key == p.key();
return !_atom && _key == p.key() && _value == p.value();
}
bool GraphElementProperty::operator==(const GraphElementProperty &p)
{
return matches(p);
}
QString GraphElementProperty::tikzEscape(QString str)
{
QRegExp re("[0-9a-zA-Z<> \\-'.]*");
if (re.exactMatch(str)) return str;
else return "{" + str + "}";
}
QString GraphElementProperty::tikz() {
if (_atom) return tikzEscape(_key);
return tikzEscape(_key) + "=" + tikzEscape(_value);
}
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