std::iswgraph
Da cppreference.com.
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Elemento definito nell'header <cwctype> | ||
int iswgraph( std::wint_t ch ); | ||
Controlla se il carattere dato ampia ha una rappresentazione grafica, i. e. o è un numero (
0123456789
), una lettera maiuscola (ABCDEFGHIJKLMNOPQRSTUVWXYZ
), una lettera minuscola (abcdefghijklmnopqrstuvwxyz
), un carattere di punteggiatura (!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
) o qualsiasi carattere grafico specifico per la localizzazione corrente 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.
Indice |
[modifica]Parametri
ch | - | carattere esteso 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. |
[modifica]Valore di ritorno
Valore diverso da zero (true) se il personaggio ha un carattere ampia rappresentazione grafica,
0
(false) altrimenti.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.
[modifica]Esempio
#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';}
Output:
in the default locale, iswgraph(0x2602) = false in Unicode locale, iswgraph(0x2602) = true
[modifica]Vedi anche
Verifica se un personaggio è classfied come grafica da un locale 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. (funzione di modello) | |
Verifica se un carattere è un carattere grafico 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. (funzione) | |
C documentation for iswgraph |
ASCII values (hex) | characters | isgraph | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 - 8 | 0x00-0x08 | control codes (NUL , etc.) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
9 | 0x09 | tab (\t ) | ≠0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
10 - 13 | 0x0A-0x0D | whitespaces (\n ,\v ,\f ,\r ) | ≠0 | 0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
14 - 31 | 0x0E-0x1F | control codes | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
32 | 0x20 | space | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
33 - 47 | 0x21-0x2F | !"#$%&'()*+,-./ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
48 - 57 | 0x30-0x39 | 0123456789 | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | 0 | 0 | 0 | ≠0 | ≠0 |
58 - 64 | 0x3a-0x40 | :;<=>?@ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
65 - 70 | 0x41-0x46 | ABCDEF | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | ≠0 |
71 - 90 | 0x47-0x5A | GHIJKLMNOPQRSTUVWXYZ | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 |
91 - 96 | 0x5B-0x60 | [\]^_` | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
97 -102 | 0x61-0x66 | abcdef | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | ≠0 |
103-122 | 0x67-0x7A | ghijklmnopqrstuvwxyz | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | 0 |
123-126 | 0x7B-0x7E | {|}~ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
127 | 0x7F | backspace character (DEL ) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |