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#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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