expression.h

/*******************************************************************************
 * Copyright (C) 2015-2021 Commissariat a l'energie atomique et aux energies alternatives (CEA)
 * Copyright (C) 2020-2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of CEA nor the names of its contributors may be used to
 *   endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ******************************************************************************/
 
#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_