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std::wstring_convert

提供: cppreference.com
< cpp‎ | locale

 
 
ローカライゼーションライブラリ
ロケールおよびファセット
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Locales and facets
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locale
文字分類
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Character classification
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変換
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Conversions
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wstring_convert(C++11)
wbuffer_convert(C++11)
ファセットカテゴリの基底クラスです
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Facet category base classes
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ファセットカテゴリ
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Facet categories
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ロケール固有のファセット
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Locale-specific facets
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コー​​ド変換ファセット
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Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
Cロケール
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C locale
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std::wstring_convert
メンバ関数
Original:
Member functions
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wstring_convert::wstring_convert
wstring_convert::~wstring_convert
wstring_convert::from_bytes
wstring_convert::to_bytes
wstring_convert::converted
wstring_convert::state
 
Defined in header <locale>
template< class Codecvt,

          class Elem = wchar_t,
          class Wide_alloc = std::allocator<Elem>,
          class Byte_alloc = std::allocator<char> >

class wstring_convert;
(C + + 11以来)
クラステンプレートstd::wstring_convertは、個々のコード変換ファセットstd::stringを使用して、バイト列std::basic_string<Elem>とワイド文字列Codecvt間で変換を行います。 std::wstring_convert変換ファセットの所有権を想定しており、ロケールによって管理ファセットを使用することはできません。 std::wstring_convertでの使用に適した標準的なファセットがUTF-8/UCS2とUTF-8/UCS4変換と変換のためUTF-8/UTF-16std::codecvt_utf8ためstd::codecvt_utf8_utf16です.
Original:
Class template std::wstring_convert performs conversions between byte string std::string and wide string std::basic_string<Elem>, using an individual code conversion facet Codecvt. std::wstring_convert assumes ownership of the conversion facet, and cannot use a facet managed by a locale. The standard facets suitable for use with std::wstring_convert are std::codecvt_utf8 for UTF-8/UCS2 and UTF-8/UCS4 conversions and std::codecvt_utf8_utf16 for UTF-8/UTF-16 conversions.
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[編集] メンバータイプ

メンバー·タイプ
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Member type
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Definition
byte_string std::basic_string<char, char_traits<char>, Byte_alloc>
wide_string std::basic_string<Elem, char_traits<Elem>, Wide_alloc>
state_type Codecvt::state_type
int_type wide_string::traits_type::int_type

[編集] メンバ関数

新しいwstring_convertを構築します
Original:
constructs a new wstring_convert
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(パブリックメンバ関数) [edit]
wstring_convertとその変換ファセットを破棄します
Original:
destructs the wstring_convert and its conversion facet
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(パブリックメンバ関数) [edit]
ワイド文字列にバイト文字列に変換します
Original:
converts a byte string into a wide string
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(パブリックメンバ関数) [edit]
バイト文字列にワイド文字列に変換します
Original:
converts a wide string into a byte string
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(パブリックメンバ関数) [edit]
正常に変換された文字の数を返します
Original:
returns the number of characters successfully converted
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(パブリックメンバ関数) [edit]
現在の変換状態を返します
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returns the current conversion state
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(パブリックメンバ関数) [edit]

[編集] も参照してください

Character
conversions
narrow multibyte
(char)
UTF-8
(char)
UTF-16
(char16_t)
UTF-16 mbrtoc16 / c16rtomb codecvt<char16_t, char, mbstate_t>
codecvt_utf8_utf16<char16_t>
codecvt_utf8_utf16<char32_t>
codecvt_utf8_utf16<wchar_t>
N/A
UCS2 No codecvt_utf8<char16_t> codecvt_utf16<char16_t>
UTF-32/UCS4
(char32_t)
mbrtoc32 / c32rtomb codecvt<char32_t, char, mbstate_t>
codecvt_utf8<char32_t>
codecvt_utf16<char32_t>
UCS2/UCS4
(wchar_t)
No codecvt_utf8<wchar_t> codecvt_utf16<wchar_t>
wide
(wchar_t)
codecvt<wchar_t, char, mbstate_t>
mbsrtowcs / wcsrtombs
No No
バイトストリームバッファとワイドストリームバッファ間の変換を行います
Original:
performs conversion between a byte stream buffer and a wide stream buffer
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(クラステンプレート) [edit]
UTF-8とUCS2/UCS4の間で変換を行います
Original:
converts between UTF-8 and UCS2/UCS4
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(クラステンプレート) [edit]
converts between UTF-8 and UTF-16
(クラステンプレート) [edit]