expression.h

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 * Copyright (C) 2020-2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
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#ifndef PDI_EXPRESSION_H_
#define PDI_EXPRESSION_H_
 
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
#include <pdi/paraconf_wrapper.h>
 
#include <pdi/pdi_fwd.h>
 
namespace PDI {
 
class PDI_EXPORT Expression
{
    struct PDI_NO_EXPORT Impl;
 
    std::unique_ptr<Impl> m_impl;
 
    Expression(std::unique_ptr<Impl>);
 
public:
    Expression();

    Expression(const Expression& expr);

    Expression(Expression&& expr);

    Expression(const char* expr);

    Expression(const std::string& expr);

    Expression(long expr);

    Expression(double expr);

    Expression(PC_tree_t expr);

    ~Expression();

    Expression& operator= (const Expression& expr);

    Expression& operator= (Expression&& expr);

    Expression operator+ (const Expression& expr) const;

    Expression operator* (const Expression& expr) const;

    Expression operator- (const Expression& expr) const;

    Expression operator/ (const Expression& expr) const;

    Expression operator% (const Expression& expr) const;

    operator bool () const;

    long to_long(Context& ctx) const;

    double to_double(Context& ctx) const;

    std::string to_string(Context& ctx) const;

    Ref to_ref(Context& ctx) const;

    Ref to_ref(Context& ctx, Datatype_sptr type) const;

    static std::pair<Expression, long> parse_reference(const char* reference_str);
};
 
} // namespace PDI
 
#endif // PDI_EXPRESSION_H_