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Add {Const,}StringRef to simplify components.

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ArthurSonzogni
2021-05-14 21:43:35 +02:00
parent 9fdf235836
commit 048efb6912
29 changed files with 201 additions and 164 deletions
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35
include/ftxui/screen/string.hpp
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@@ -16,6 +16,41 @@ int wchar_width(wchar_t);
int wchar_width_cjk(wchar_t);
int wstring_width(const std::wstring&);
int wstring_width_cjk(const std::wstring&);
/// @brief For convenience, this class convert multiple mutable string
/// references toward a shared representation.
class StringRef {
public:
StringRef(std::wstring& ref);
StringRef(std::wstring* ref);
StringRef(const wchar_t* ref);
StringRef(const char* ref);
std::wstring& operator*();
std::wstring* operator->();
private:
std::wstring* const borrowed_ = nullptr;
std::wstring owned_;
};
/// @brief For convenience, this class convert multiple immutable string
/// references toward shared representation.
class ConstStringRef {
public:
ConstStringRef(const std::wstring& ref);
ConstStringRef(const std::wstring* ref);
ConstStringRef(const wchar_t* ref);
ConstStringRef(const char* ref);
const std::wstring& operator*();
const std::wstring* operator->();
private:
const std::wstring* const borrowed_ = nullptr;
const std::wstring owned_;
};
} // namespace ftxui
#endif /* end of include guard: FTXUI_SCREEN_STRING_HPP */