teca_table_remove_rows.h

#ifndef teca_table_remove_rows_h
#define teca_table_remove_rows_h
 
#include "teca_shared_object.h"
#include "teca_algorithm.h"
#include "teca_metadata.h"
 
#include <string>
#include <vector>
 
TECA_SHARED_OBJECT_FORWARD_DECL(teca_table_remove_rows)
 
 
class teca_table_remove_rows : public teca_algorithm
{
public:
    TECA_ALGORITHM_STATIC_NEW(teca_table_remove_rows)
    TECA_ALGORITHM_DELETE_COPY_ASSIGN(teca_table_remove_rows)
    TECA_ALGORITHM_CLASS_NAME(teca_table_remove_rows)
    ~teca_table_remove_rows();
 
    // report/initialize to/from Boost program options
    // objects.
    TECA_GET_ALGORITHM_PROPERTIES_DESCRIPTION()
    TECA_SET_ALGORITHM_PROPERTIES()
 
    // set the expression to use to determine which rows
    // are removed. rows are removed where the expression
    // evaluates true.
    void set_mask_expression(const std::string &expr);
 
    std::string get_mask_expression()
    { return this->mask_expression; }
 
    // when set columns used in the calculation are removed
    // from the output. deault off.
    TECA_ALGORITHM_PROPERTY(int, remove_dependent_variables)
 
protected:
    teca_table_remove_rows();
 
private:
    const_p_teca_dataset execute(unsigned int port,
        const std::vector<const_p_teca_dataset> &input_data,
        const teca_metadata &request) override;
 
private:
    std::string mask_expression;
    std::string postfix_expression;
    std::set<std::string> dependent_variables;
    int remove_dependent_variables;
};
 
#endif