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