File indexing completed on 2024-04-28 03:40:46

0001 /*************************************************************************************
0002  *  Copyright (C) 2008 by Aleix Pol <aleixpol@kde.org>                               *
0003  *                                                                                   *
0004  *  This program is free software; you can redistribute it and/or                    *
0005  *  modify it under the terms of the GNU General Public License                      *
0006  *  as published by the Free Software Foundation; either version 2                   *
0007  *  of the License, or (at your option) any later version.                           *
0008  *                                                                                   *
0009  *  This program is distributed in the hope that it will be useful,                  *
0010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of                   *
0011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                    *
0012  *  GNU General Public License for more details.                                     *
0013  *                                                                                   *
0014  *  You should have received a copy of the GNU General Public License                *
0015  *  along with this program; if not, write to the Free Software                      *
0016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *
0017  *************************************************************************************/
0018 
0019 #ifndef STRINGEXPRESSIONWRITER_H
0020 #define STRINGEXPRESSIONWRITER_H
0021 
0022 #include "abstractexpressionvisitor.h"
0023 #include "operator.h"
0024 
0025 namespace Analitza
0026 {
0027 
0028 /**
0029  * \class StringExpressionWriter
0030  * 
0031  * \ingroup AnalitzaModule
0032  *
0033  * \brief This class represents the string expression writer.
0034  */
0035 
0036 class StringExpressionWriter : public AbstractExpressionVisitor
0037 {
0038     public:
0039         explicit StringExpressionWriter(const Object* o);
0040         
0041         virtual QVariant visit(const None* var) override;
0042         virtual QVariant visit(const Ci* var) override;
0043         virtual QVariant visit(const Cn* var) override;
0044         virtual QVariant visit(const Container* var) override;
0045         virtual QVariant visit(const Operator* var) override;
0046         virtual QVariant visit(const Vector* var) override;
0047         virtual QVariant visit(const List* l) override;
0048         virtual QVariant visit(const Matrix* m) override;
0049         virtual QVariant visit(const MatrixRow* mr) override;
0050         virtual QVariant visit(const Apply* a) override;
0051         virtual QVariant visit(const CustomObject* c) override;
0052         
0053         QVariant result() const override { return m_result; }
0054         
0055         static int weight(const Analitza::Operator* op, int size, int pos);
0056         static const QMap<Operator::OperatorType, QString> s_operators;
0057     private:
0058         template <class T>
0059             static QStringList allValues(T it, const T& itEnd, AbstractExpressionVisitor* writer);
0060 
0061         QVariant m_result;
0062         static const double MIN_PRINTABLE_VALUE;
0063 };
0064 
0065 }
0066 #endif