hart_str.hpp

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#pragma once
 
#include <sstream>
#include <string>
 
namespace hart {
 
/// @brief Helper class for building strings with string stream syntax
/// @private
class Str
{
public:
    /// @brief Appends value to a string stream
    /// @param value Any printable value
    template<typename ValueType>
    Str& operator<< (const ValueType& value)
    {
        m_stringStream << value;
        return *this;
    }
 
    /// @brief Returns a std::string constructed from a stream
    std::string toStdString() const
    {
        return m_stringStream.str();
    }
 
private:
    std::ostringstream m_stringStream;
};
 
/// @brief A helper to construct strings using the "<<" syntax
/// @details Usage: `HART_STR ("Some text: " << someValue << "...")`
/// @ingroup Utilities
#define HART_STR(...) (hart::Str() << __VA_ARGS__).toStdString()
 
}  // namespace hart