boolean_expression.h

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#ifndef GEOGRAM_BASIC_BOOLEAN_EXPRESSION
#define GEOGRAM_BASIC_BOOLEAN_EXPRESSION
 
#include <geogram/basic/common.h>
#include <geogram/basic/numeric.h>
#include <string>
 
namespace GEO {
 
    class GEOGRAM_API BooleanExpression {
    public:
 
        BooleanExpression(const std::string& expr);
 
        bool operator()(index_t x);
 
    protected:
        bool parse_or();
        bool parse_and();
        bool parse_factor();
        bool parse_variable();
        char cur_char() const;
        void next_char();
        
    private:
        std::string expr_;
        std::string::iterator ptr_;
        index_t x_;
    };
    
    
}
 
#endif