Canza igiyoyi zuwa wchar_t a cikin C++: Cikakken Jagora
A cikin C++, juyawa nau'in kirtani muhimmin abu ne ga masu haษakawa su fahimta. Musamman idan ya zo ga rubutu ko bayanan kirtani, fahimtar nau'ikan bayanai kamar wchar_t yana da mahimmanci. Tare da wannan jagorar, mun zurfafa cikin yadda ake sauya kirtani daidai zuwa wchar_t a cikin C++, samar da umarnin mataki-mataki da misalai na lamba a hanya.
Iri zuwa wchar_t: Amsa
Madaidaicin ษakin karatu na C++ ya haษa manyan haruffa (wchar_t) waษanda zasu iya sarrafa haruffan multibyte, masu amfani ga unicode ko rubutu na duniya. Don canza kirtani zuwa wchar_t a cikin C++, aikin mbstowcs ana amfani da shi akai-akai.
#include
#include
std ::wstring_convert
std :: kunkuntar kirtani = Converter.to_bytes(wide_str);
std :: wstring fadi = Converter.from_bytes (kunkuntar);
ฦididdigar ฦididdigar: Tafiya ta Mataki-mataki
Wannan snippet na lambar yana bayyana tsarin canza kirtani zuwa wchar_t a C++. Ga yadda yake aiki:
// gami da laburaren da ake bukata
#include
#include
// ฦirฦirar mai juyawa
std ::wstring_convert
Na farko, an haษa da ษakunan karatu da suka dace. Madaidaicin ษakin karatu
std :: kunkuntar kirtani = Converter.to_bytes(wide_str);
Wannan layin lambar yana juyawa daga faffadan kirtani zuwa kunkuntar kirtani.
std :: wstring fadi = Converter.from_bytes (kunkuntar);
A ฦarshe, ana amfani da layin lambar da ke sama don juyawa daga kunkuntar kirtani zuwa kirtani mai faษi.
Matsalolin Dakunan karatu da Ayyuka
Fahimtar ษakunan karatu da ayyukan da aka yi amfani da su na da mahimmanci don fahimtar tsarin juyawa.
- std :: codecvt_utf8: Ajin samfuri a cikin
ษakin karatu wanda ke canzawa tsakanin UTF-8 jerin multibyte da manyan haruffa. - std ::wstring_convertSamfuran aji mai taimako a ciki
ษakin karatu don jujjuyawa tsakanin zaren byte da nau'ikan kirtani mai faษi. - converter.to_bytes(fadi_str): Wannan aikin yana jujjuya kirtani mai fadi zuwa kunkuntar kirtani.
- mai juyawa.daga_bytes(kunkuntar): Sabanin haka, wannan aikin yana haifar da jujjuyawa daga kunkuntar kirtani zuwa kirtani mai faษi.
Ta hanyar amfani da ฦarfin waษannan ษakunan karatu da ayyuka, yin kirtani zuwa canza wchar_t a cikin C++ ya zama tsari mai sauฦi. Ko don sarrafa rubutun unicode ko haruffan multibyte, fahimtar waษannan mahimman bayanai yana da mahimmanci ga kowane mai haษaka C++.