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#ifndef slic3r_GUI_format_hpp_
#define slic3r_GUI_format_hpp_
// Functional wrapper around boost::format.
// One day we may replace this wrapper with C++20 format
// https://en.cppreference.com/w/cpp/utility/format/format
// though C++20 format uses a different template pattern for position independent parameters.
// This wrapper also manages implicit conversion from wxString to UTF8 and format_wxstr() variants are provided to format into wxString.
#include <libslic3r/format.hpp>
namespace Slic3r {
namespace GUI {
// Format input mixing UTF8 encoded strings (const char*, std::string) and wxStrings, return a wxString.
template<typename... TArgs>
inline wxString format_wxstr(const char* fmt, TArgs&&... args) {
boost::format message(fmt);
return wxString::FromUTF8(Slic3r::internal::format::format_recursive(message, std::forward<TArgs>(args)...).c_str());
}
template<typename... TArgs>
inline wxString format_wxstr(const std::string& fmt, TArgs&&... args) {
boost::format message(fmt);
return wxString::FromUTF8(Slic3r::internal::format::format_recursive(message, std::forward<TArgs>(args)...).c_str());
}
template<typename... TArgs>
inline wxString format_wxstr(const wxString& fmt, TArgs&&... args) {
return format_wxstr(fmt.ToUTF8().data(), std::forward<TArgs>(args)...);
}
template<typename... TArgs>
inline std::string format(const wxString& fmt, TArgs&&... args) {
return Slic3r::format(fmt.ToUTF8().data(), std::forward<TArgs>(args)...);
}
} // namespace GUI
namespace internal {
namespace format {
// Wrapper around wxScopedCharBuffer to indicate that the content is UTF8 formatted.
struct utf8_buffer {
// wxScopedCharBuffer is reference counted, therefore copying by value is cheap.
wxScopedCharBuffer data;
};
// Accept wxString and convert it to UTF8 to be processed by Slic3r::format().
inline const utf8_buffer cook(const wxString &arg) {
return utf8_buffer { arg.ToUTF8() };
}
// Vojtech seemingly does not understand perfect forwarding:
// Why Slic3r::internal::format::cook(T&& arg) is taken for non-const wxString reference?
inline const utf8_buffer cook(wxString &arg) {
return utf8_buffer { arg.ToUTF8() };
}
inline const utf8_buffer cook(wxString &&arg) {
return utf8_buffer{ arg.ToUTF8() };
}
}
}
} // namespace Slic3r
namespace boost {
namespace io {
namespace detail {
// Adaptor for boost::format to accept wxString converted to UTF8.
inline std::ostream& operator<<(std::ostream& os, const Slic3r::internal::format::utf8_buffer& str) {
os << str.data.data();
return os;
}
}
}
}
#endif /* slic3r_GUI_format_hpp_ */
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