std::iswspace
Материал из cppreference.com
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The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
| Заголовочный файл <cwctype>
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| int iswspace( wint_t ch ); |
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Проверяет, является ли данная широкий символ, символ пробела, то есть либо пространство (
0x20), форма подачи (0x0c), строки (0x0a), возврат каретки (0x0d), горизонтальные вкладки (0x09), вертикальные вкладки (0x0b) или любые пробелы характера, характерные для текущей локали.Original:
Checks if the given wide character is a whitespace character, i.e. either space (
0x20), form feed (0x0c), line feed (0x0a), carriage return (0x0d), horizontal tab (0x09), vertical tab (0x0b) or any whitespace character specific to the current locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Содержание |
[править] Параметры
| ch | - | широкий характер
Original: wide character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[править] Возвращаемое значение
Номера для нулевого значения (true), если широкий символ, символ пробела,
0 (false) в противном случае.Original:
Non-zero value (true) if the wide character is a whitespace character,
0 (false) otherwise.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[править] Пример
Демонстрирует использование iswspace () с разных языков
Original:
Demonstrates the use of iswspace() with different locales
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
#include <iostream> #include <clocale> #include <cwctype> void try_with(wchar_t c, const char* loc) { std::setlocale(LC_ALL, loc); std::wcout << "isspace('" << c << "') in " << loc << " locale returned " << std::boolalpha << (bool)std::iswspace(c) << '\n'; } int main() { wchar_t EM_SPACE = L'\u2003'; // Unicode character 'EM SPACE' try_with(EM_SPACE, "C"); try_with(EM_SPACE, "en_US.UTF8"); }
Вывод:
isspace(' ') in C locale returned false
isspace(' ') in en_US.UTF8 locale returned true
[править] См. также
| проверяет, является ли символ классифицируется как пробелы на местности Original: checks if a character is classified as whitespace by a locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (шаблон функции) | |
| проверяет, является ли символ пробела Original: checks if a character is a space character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (функция) | |
| C документация для iswspace
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| ASCII values (hex) |
characters |
isspace |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 - 8 | 0x00-0x08
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control codes (NUL, etc.)
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
|
0
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| 9 | 0x09
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tab (\t)
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≠0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
|
0
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0
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| 10 - 13 | 0x0A-0x0D
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whitespaces (\n,\v,\f,\r)
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≠0
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0
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 14 - 31 | 0x0E-0x1F
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control codes | ≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 32 | 0x20
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space | 0
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≠0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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| 33 - 47 | 0x21-0x2F
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!"#$%&'()*+,-./
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0
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≠0
|
0
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0
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≠0
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≠0
|
0
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0
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0
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0
|
0
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0
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| 48 - 57 | 0x30-0x39
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0123456789
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0
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≠0
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0
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0
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≠0
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0
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≠0
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0
|
0
|
0
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≠0
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≠0
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| 58 - 64 | 0x3a-0x40
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:;<=>?@
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0
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≠0
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0
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0
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≠0
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≠0
|
0
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0
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0
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0
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0
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0
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| 65 - 70 | 0x41-0x46
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ABCDEF
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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≠0
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| 71 - 90 | 0x47-0x5A
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GHIJKLMNOPQRSTUVWXYZ
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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0
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| 91 - 96 | 0x5B-0x60
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[\]^_`
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0
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≠0
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0
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0
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≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
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| 97 -102 | 0x61-0x66
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abcdef
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
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0
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≠0
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| 103-122 | 0x67-0x7A
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ghijklmnopqrstuvwxyz
|
0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
|
0
|
0
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| 123-126 | 0x7B-0x7E
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{|}~
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 127 | 0x7F
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backspace character (DEL)
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
|
0
|
0
|
0
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