std::iswgraph
Материал из cppreference.com
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| Заголовочный файл <cwctype>
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| int iswgraph( std::wint_t ch ); |
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Проверяет, является ли данная широкий символ имеет графическое представление, я. е. это либо номер (
0123456789), буквы в верхнем регистре (ABCDEFGHIJKLMNOPQRSTUVWXYZ), строчными буквами (abcdefghijklmnopqrstuvwxyz), знак препинания (!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~) или любого графического характера, характерные для текущего языка C.Original:
Checks if the given wide character has a graphical representation, i. e. it is either a number (
0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz), a punctuation character(!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~) or any graphical character specific to the current C 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 имеет графическое представление символов,
0 (false) в противном случае.Original:
Non-zero value (true) if the wide character has a graphical representation 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
#include <iostream> #include <cwctype> #include <clocale> int main() { wchar_t c = L'\u2602'; // the Unicode character Umbrella ('☂') std::cout << std::hex << std::showbase << std::boolalpha; std::cout << "in the default locale, iswgraph(" << (std::wint_t)c << ") = " << (bool)std::iswgraph(c) << '\n'; std::setlocale(LC_ALL, "en_US.utf8"); std::cout << "in Unicode locale, iswgraph(" << (std::wint_t)c << ") = " << (bool)std::iswgraph(c) << '\n'; }
Вывод:
in the default locale, iswgraph(0x2602) = false in Unicode locale, iswgraph(0x2602) = true
[править] См. также
| проверяет, является ли символ classfied как графические на местности Original: checks if a character is classfied as graphical 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 представляет собой графический символ Original: checks if a character is a graphical 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 iswgraph
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| ASCII values (hex) |
characters |
isgraph |
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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
|
0
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0
|
0
|
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
|
0
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0
|
0
|
0
|
0
|
0
|
0
|
0
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| 10 - 13 | 0x0A-0x0D
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whitespaces (\n,\v,\f,\r)
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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
|
0
|
0
|
0
|
0
|
0
|
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
|
0
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0
|
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
|
0
|
0
|
0
|
0
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0
|
0
|
0
|
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
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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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| 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
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0
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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
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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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| 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
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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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| 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
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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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| 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
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0
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0
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0
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