tablecolumn.hpp

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/*****************************************************************************
    NumeRe: Framework fuer Numerische Rechnungen
    Copyright (C) 2021  Erik Haenel et al.
 
    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 <http://www.gnu.org/licenses/>.
******************************************************************************/
 
#ifndef TABLECOLUMN_HPP
#define TABLECOLUMN_HPP
 
#include <string>
#include <vector>
#include <memory>
#include "../ParserLib/muParserDef.h"
#include "../structures.hpp"
 
struct TableColumn
{
    enum ColumnType
    {
        TYPE_NONE,
        VALUELIKE,
        TYPE_VALUE,
        TYPE_DATETIME,
        TYPE_LOGICAL,
        TYPE_CATEGORICAL,
        STRINGLIKE,
        TYPE_STRING,
        TYPE_MIXED
    };
 
    std::string m_sHeadLine;
    ColumnType m_type;
 
    TableColumn() : m_type(TYPE_NONE) {}
    virtual ~TableColumn() {}
 
    std::vector<std::string> getValueAsString(const VectorIndex& idx) const;
    std::vector<std::string> getValueAsInternalString(const VectorIndex& idx) const;
    std::vector<mu::value_type> getValue(const VectorIndex& idx) const;
 
    virtual std::string getValueAsString(size_t elem) const = 0;
    virtual std::string getValueAsInternalString(size_t elem) const = 0;
    virtual std::string getValueAsParserString(size_t elem) const = 0;
    virtual std::string getValueAsStringLiteral(size_t elem) const = 0;
    virtual mu::value_type getValue(size_t elem) const = 0;
 
    void setValue(const VectorIndex& idx, const std::vector<std::string>& vValue);
    void setValue(const VectorIndex& idx, const std::vector<mu::value_type>& vValue);
    void setValue(const VectorIndex& idx, mu::value_type* _dData, unsigned int _nNum);
 
    virtual void setValue(size_t elem, const std::string& sValue) = 0;
    virtual void setValue(size_t elem, const mu::value_type& vValue) = 0;
 
    TableColumn* copy() const;
    virtual TableColumn* copy(const VectorIndex& idx) const = 0;
    virtual void assign(const TableColumn* column) = 0;
    virtual void insert(const VectorIndex& idx, const TableColumn* column) = 0;
    virtual void deleteElements(const VectorIndex& idx) = 0;
    void shrink();
 
    virtual void insertElements(size_t pos, size_t elem) = 0;
    virtual void appendElements(size_t elem) = 0;
    virtual void removeElements(size_t pos, size_t elem) = 0;
    virtual void resize(size_t elem) = 0;
 
    virtual int compare(int i, int j, bool flag) const = 0;
    virtual bool isValid(int elem) const = 0;
 
    virtual bool asBool(int elem) const = 0;
 
    virtual size_t size() const = 0;
    virtual size_t getBytes() const = 0;
    size_t getNumFilledElements() const;
 
    virtual TableColumn* convert(ColumnType type = TableColumn::TYPE_NONE) = 0;
 
    static std::string getDefaultColumnHead(size_t colNo);
    static std::string typeToString(ColumnType type);
    static ColumnType stringToType(const std::string& sType);
    static std::vector<std::string> getTypesAsString();
};
 
 
typedef std::unique_ptr<TableColumn> TblColPtr;
 
typedef std::vector<TblColPtr> TableColumnArray;
 
 
 
#endif // TABLECOLUMN_HPP